Initial commit

2024-11-22 00:56:37 +03:00 · 2023-02-18 23:51:02 +03:00 · 2023-02-18 23:51:02 +03:00 · c93ec3c4fd
commit c93ec3c4fd
129 changed files with 19911 additions and 0 deletions
--- a/.dockerignore
+++ b/.dockerignore
@ -0,0 +1,10 @@
+orconfig
+.gitattributes
+.github
+.gitignore
+.gitlab-ci.yml
+.idea
+.pre-commit-config.yaml
+.readthedocs.yml
+.travis.yml
+venv
--- a/.editorconfig
+++ b/.editorconfig
@ -0,0 +1,27 @@
+# http://editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{py,rst,ini}]
+indent_style = space
+indent_size = 4
+
+[*.{html,css,scss,json,yml,xml}]
+indent_style = space
+indent_size = 2
+
+[*.md]
+trim_trailing_whitespace = false
+
+[Makefile]
+indent_style = tab
+
+[nginx.conf]
+indent_style = space
+indent_size = 2
--- a/.env
+++ b/.env
@ -0,0 +1,4 @@
+DATABASE_URL=postgres://postgres:postgres@127.0.0.1:5432/exhauster_analytics
+CELERY_BROKER_URL=redis://localhost:6379/0
+REDIS_URL=redis://localhost:6379/1
+USE_DOCKER=no
--- a/.env.template
+++ b/.env.template
@ -0,0 +1,4 @@
+DATABASE_URL=postgres://postgres:postgres@127.0.0.1:5432/exhauster_analytics
+CELERY_BROKER_URL=redis://localhost:6379/0
+REDIS_URL=redis://localhost:6379/1
+USE_DOCKER=no
--- a/.gitattributes
+++ b/.gitattributes
@ -0,0 +1 @@
+* text=auto
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@ -0,0 +1,80 @@
+# Config for Dependabot updates. See Documentation here:
+# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  # Update GitHub actions in workflows
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    # Check for updates to GitHub Actions every weekday
+    schedule:
+      interval: "daily"
+
+  # Enable version updates for Docker
+  # We need to specify each Dockerfile in a separate entry because Dependabot doesn't
+  # support wildcards or recursively checking subdirectories. Check this issue for updates:
+  # https://github.com/dependabot/dependabot-core/issues/2178
+  - package-ecosystem: "docker"
+    # Look for a `Dockerfile` in the `compose/local/django` directory
+    directory: "compose/local/django/"
+    # Check for updates to GitHub Actions every weekday
+    schedule:
+      interval: "daily"
+
+  # Enable version updates for Docker
+  - package-ecosystem: "docker"
+    # Look for a `Dockerfile` in the `compose/local/docs` directory
+    directory: "compose/local/docs/"
+    # Check for updates to GitHub Actions every weekday
+    schedule:
+      interval: "daily"
+
+  # Enable version updates for Docker
+  - package-ecosystem: "docker"
+    # Look for a `Dockerfile` in the `compose/local/node` directory
+    directory: "compose/local/node/"
+    # Check for updates to GitHub Actions every weekday
+    schedule:
+      interval: "daily"
+
+  # Enable version updates for Docker
+  - package-ecosystem: "docker"
+    # Look for a `Dockerfile` in the `compose/production/aws` directory
+    directory: "compose/production/aws/"
+    # Check for updates to GitHub Actions every weekday
+    schedule:
+      interval: "daily"
+
+  # Enable version updates for Docker
+  - package-ecosystem: "docker"
+    # Look for a `Dockerfile` in the `compose/production/django` directory
+    directory: "compose/production/django/"
+    # Check for updates to GitHub Actions every weekday
+    schedule:
+      interval: "daily"
+
+  # Enable version updates for Docker
+  - package-ecosystem: "docker"
+    # Look for a `Dockerfile` in the `compose/production/postgres` directory
+    directory: "compose/production/postgres/"
+    # Check for updates to GitHub Actions every weekday
+    schedule:
+      interval: "daily"
+
+  # Enable version updates for Docker
+  - package-ecosystem: "docker"
+    # Look for a `Dockerfile` in the `compose/production/traefik` directory
+    directory: "compose/production/traefik/"
+    # Check for updates to GitHub Actions every weekday
+    schedule:
+      interval: "daily"
+
+  # Enable version updates for Python/Pip - Production
+  - package-ecosystem: "pip"
+    # Look for a `requirements.txt` in the `root` directory
+    # also 'setup.cfg', 'runtime.txt' and 'requirements/*.txt'
+    directory: "/"
+    # Check for updates to GitHub Actions every weekday
+    schedule:
+      interval: "daily"
+
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@ -0,0 +1,57 @@
+name: CI
+
+# Enable Buildkit and let compose use it to speed up image building
+env:
+  DOCKER_BUILDKIT: 1
+  COMPOSE_DOCKER_CLI_BUILD: 1
+
+on:
+  pull_request:
+    branches: [ "master", "main" ]
+    paths-ignore: [ "docs/**" ]
+
+  push:
+    branches: [ "master", "main" ]
+    paths-ignore: [ "docs/**" ]
+
+concurrency:
+  group: ${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  linter:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Code Repository
+        uses: actions/checkout@v3
+
+      - uses: actions/checkout@v3
+      - name: Install poetry
+        run: pipx install poetry
+
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.11'
+          cache: 'poetry'
+      - run: poetry install
+
+      - name: Run pre-commit
+        uses: pre-commit/action@v2.0.3
+
+  # With no caching at all the entire ci process takes 4m 30s to complete!
+  pytest:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Code Repository
+        uses: actions/checkout@v3
+
+      - name: Build the Stack
+        run:  docker-compose -f local.yml build
+
+      - name: Run Django Tests
+        run:  docker-compose -f local.yml run django pytest
+
+      - name: Tear down the Stack
+        run:  docker-compose -f local.yml down
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,331 @@
+### Python template
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+staticfiles/
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# Environments
+.venv
+venv/
+ENV/
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+
+
+### Node template
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Typescript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+
+### Linux template
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
+
+### VisualStudioCode template
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+*.code-workspace
+
+# Local History for Visual Studio Code
+.history/
+
+
+# Provided default Pycharm Run/Debug Configurations should be tracked by git
+# In case of local modifications made by Pycharm, use update-index command
+# for each changed file, like this:
+# git update-index --assume-unchanged .idea/exhauster_analytics.iml
+### JetBrains template
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff:
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/dictionaries
+
+# Sensitive or high-churn files:
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.xml
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+
+# Gradle:
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# CMake
+cmake-build-debug/
+
+# Mongo Explorer plugin:
+.idea/**/mongoSettings.xml
+
+## File-based project format:
+*.iws
+
+## Plugin-specific files:
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+
+
+### Windows template
+# Windows thumbnail cache files
+Thumbs.db
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+
+### macOS template
+# General
+*.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+
+### SublimeText template
+# Cache files for Sublime Text
+*.tmlanguage.cache
+*.tmPreferences.cache
+*.stTheme.cache
+
+# Workspace files are user-specific
+*.sublime-workspace
+
+# Project files should be checked into the repository, unless a significant
+# proportion of contributors will probably not be using Sublime Text
+# *.sublime-project
+
+# SFTP configuration file
+sftp-config.json
+
+# Package control specific files
+Package Control.last-run
+Package Control.ca-list
+Package Control.ca-bundle
+Package Control.system-ca-bundle
+Package Control.cache/
+Package Control.ca-certs/
+Package Control.merged-ca-bundle
+Package Control.user-ca-bundle
+oscrypto-ca-bundle.crt
+bh_unicode_properties.cache
+
+# Sublime-github package stores a github token in this file
+# https://packagecontrol.io/packages/sublime-github
+GitHub.sublime-settings
+
+
+### Vim template
+# Swap
+[._]*.s[a-v][a-z]
+[._]*.sw[a-p]
+[._]s[a-v][a-z]
+[._]sw[a-p]
+
+# Session
+Session.vim
+
+# Temporary
+.netrwhist
+
+# Auto-generated tag files
+tags
+
+### Project template
+exhauster_analytics/media/
+
+.pytest_cache/
+
+.ipython/
--- a/.idea/.gitignore
+++ b/.idea/.gitignore
@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
--- a/.idea/exhauster_analytics.iml
+++ b/.idea/exhauster_analytics.iml
@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="django" name="Django">
+      <configuration>
+        <option name="rootFolder" value="$MODULE_DIR$" />
+        <option name="settingsModule" value="config/settings/local.py" />
+        <option name="manageScript" value="$MODULE_DIR$/manage.py" />
+        <option name="environment" value="&lt;map/&gt;" />
+        <option name="doNotUseTestRunner" value="false" />
+        <option name="trackFilePattern" value="migrations" />
+      </configuration>
+    </facet>
+  </component>
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/exhauster_analytics" isTestSource="false" />
+    </content>
+    <orderEntry type="jdk" jdkName="Poetry (exhauster_analytics)" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+  <component name="PyDocumentationSettings">
+    <option name="format" value="PLAIN" />
+    <option name="myDocStringFormat" value="Plain" />
+  </component>
+  <component name="TemplatesService">
+    <option name="TEMPLATE_CONFIGURATION" value="Django" />
+  </component>
+</module>
--- a/.idea/inspectionProfiles/Project_Default.xml
+++ b/.idea/inspectionProfiles/Project_Default.xml
@ -0,0 +1,24 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="Eslint" enabled="true" level="WARNING" enabled_by_default="true" />
+    <inspection_tool class="PyMethodMayBeStaticInspection" enabled="false" level="WEAK WARNING" enabled_by_default="false" />
+    <inspection_tool class="PyPackageRequirementsInspection" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="ignoredPackages">
+        <value>
+          <list size="9">
+            <item index="0" class="java.lang.String" itemvalue="pytest-instafail" />
+            <item index="1" class="java.lang.String" itemvalue="cookiecutter" />
+            <item index="2" class="java.lang.String" itemvalue="binaryornot" />
+            <item index="3" class="java.lang.String" itemvalue="isort" />
+            <item index="4" class="java.lang.String" itemvalue="PyGithub" />
+            <item index="5" class="java.lang.String" itemvalue="pytest-cookies" />
+            <item index="6" class="java.lang.String" itemvalue="gitpython" />
+            <item index="7" class="java.lang.String" itemvalue="tox" />
+            <item index="8" class="java.lang.String" itemvalue="django" />
+          </list>
+        </value>
+      </option>
+    </inspection_tool>
+  </profile>
+</component>
--- a/.idea/inspectionProfiles/profiles_settings.xml
+++ b/.idea/inspectionProfiles/profiles_settings.xml
@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DiscordProjectSettings">
+    <option name="show" value="ASK" />
+    <option name="description" value="" />
+  </component>
+  <component name="MarkdownSettingsMigration">
+    <option name="stateVersion" value="1" />
+  </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="Poetry (exhauster_analytics)" project-jdk-type="Python SDK" />
+</project>
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/exhauster_analytics.iml" filepath="$PROJECT_DIR$/.idea/exhauster_analytics.iml" />
+    </modules>
+  </component>
+</project>
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@ -0,0 +1,39 @@
+exclude: "^docs/|/migrations/"
+default_stages: [commit]
+
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.4.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v3.3.1
+    hooks:
+      - id: pyupgrade
+        args: [--py310-plus]
+
+  - repo: https://github.com/psf/black
+    rev: 22.12.0
+    hooks:
+      - id: black
+
+  - repo: https://github.com/PyCQA/isort
+    rev: 5.11.4
+    hooks:
+      - id: isort
+
+  - repo: https://github.com/PyCQA/flake8
+    rev: 6.0.0
+    hooks:
+      - id: flake8
+        args: ["--config=setup.cfg"]
+        additional_dependencies: [flake8-isort]
+
+# sets up .pre-commit-ci.yaml to ensure pre-commit dependencies stay up to date
+ci:
+  autoupdate_schedule: weekly
+  skip: []
+  submodules: false
--- a/.pylintrc
+++ b/.pylintrc
@ -0,0 +1,14 @@
+[MASTER]
+load-plugins=pylint_django, pylint_celery
+django-settings-module=config.settings.local
+[FORMAT]
+max-line-length=120
+
+[MESSAGES CONTROL]
+disable=missing-docstring,invalid-name
+
+[DESIGN]
+max-parents=13
+
+[TYPECHECK]
+generated-members=REQUEST,acl_users,aq_parent,"[a-zA-Z]+_set{1,2}",save,delete
--- a/1.txt
+++ b/1.txt
--- a/2.txt
+++ b/2.txt
--- a/3.txt
+++ b/3.txt
--- a/4.txt
+++ b/4.txt
--- a/5.txt
+++ b/5.txt
--- a/6.txt
+++ b/6.txt
--- a/CA.pem
+++ b/CA.pem
@ -0,0 +1,59 @@
+-----BEGIN CERTIFICATE-----
+MIIE3TCCAsWgAwIBAgIKPxb5sAAAAAAAFzANBgkqhkiG9w0BAQ0FADAfMR0wGwYD
+VQQDExRZYW5kZXhJbnRlcm5hbFJvb3RDQTAeFw0xNzA2MjAxNjQ0MzdaFw0yNzA2
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+CSqGSIb3DQEBDQUAA4ICAQAsR5Lb4Pv2FD0Kk+4oc1GEOnehxKLsQtdV81nrU+IV
+l9pr2oNMdi8lwIolvHZRllLM4Ba5AcRH6YJ5fe7AjKm+5EdSkhqVWo2UOllRCbtS
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+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----
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--- a/README.md
+++ b/README.md
@ -0,0 +1,57 @@
+# exhauster analytics
+
+A platform to process masive amount of information and prt it in preatty way
+## Basic Commands
+
+### Setting Up Your Users
+
+-   To create a **normal user account**, just go to Sign Up and fill out the form. Once you submit it, you'll see a "Verify Your E-mail Address" page. Go to your console to see a simulated email verification message. Copy the link into your browser. Now the user's email should be verified and ready to go.
+
+-   To create a **superuser account**, use this command:
+
+        $ python manage.py createsuperuser
+
+For convenience, you can keep your normal user logged in on Chrome and your superuser logged in on Firefox (or similar), so that you can see how the site behaves for both kinds of users.
+
+### Runserver
+
+    $ ./manage.py runserver_plus
+
+### Type checks
+
+Running type checks with mypy:
+
+    $ mypy exhauster_analytics
+
+### Test coverage
+
+To run the tests, check your test coverage, and generate an HTML coverage report:
+
+    $ coverage run -m pytest
+    $ coverage html
+    $ open htmlcov/index.html
+
+#### Running tests with pytest
+
+    $ pytest
+
+### Live reloading and Sass CSS compilation
+
+Moved to [Live reloading and SASS compilation](https://cookiecutter-django.readthedocs.io/en/latest/developing-locally.html#sass-compilation-live-reloading).
+
+### Celery
+
+This app comes with Celery.
+
+To run a celery worker:
+
+``` bash
+cd exhauster_analytics
+celery -A config.celery_app worker -l info
+```
+
+Please note: For Celery's import magic to work, it is important *where* the celery commands are run. If you are in the same folder with *manage.py*, you should be right.
+
+## Deployment
+
+The following details how to deploy this application.
--- a/compose/local/django/Dockerfile
+++ b/compose/local/django/Dockerfile
@ -0,0 +1,75 @@
+ARG PYTHON_VERSION=3.11-slim
+
+# define an alias for the specfic python version used in this file.
+FROM python:${PYTHON_VERSION} as python
+
+# Python build stage
+FROM python as python-build-stage
+
+ARG BUILD_ENVIRONMENT=local
+
+# Install apt packages
+RUN apt-get update && apt-get install --no-install-recommends -y \
+  # dependencies for building Python packages
+  build-essential \
+  # psycopg2 dependencies
+  libpq-dev
+
+
+# Python 'run' stage
+FROM python as python-run-stage
+
+ARG BUILD_ENVIRONMENT=local
+ARG APP_HOME=/app
+
+ENV PYTHONUNBUFFERED 1
+ENV PYTHONDONTWRITEBYTECODE 1
+ENV BUILD_ENV ${BUILD_ENVIRONMENT}
+
+WORKDIR ${APP_HOME}
+
+# Install required system dependencies
+RUN apt-get update && apt-get install --no-install-recommends -y \
+  # psycopg2 dependencies
+  libpq-dev \
+  # Translations dependencies
+  gettext \
+  # cleaning up unused files
+  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
+  && rm -rf /var/lib/apt/lists/*
+
+RUN pip install poetry
+
+# Configuring poetry
+RUN poetry config virtualenvs.create false
+COPY pyproject.toml poetry.lock /
+
+# Installing requirements
+RUN poetry install
+
+
+COPY ./compose/production/django/entrypoint /entrypoint
+RUN sed -i 's/\r$//g' /entrypoint
+RUN chmod +x /entrypoint
+
+COPY ./compose/local/django/start /start
+RUN sed -i 's/\r$//g' /start
+RUN chmod +x /start
+
+
+COPY ./compose/local/django/celery/worker/start /start-celeryworker
+RUN sed -i 's/\r$//g' /start-celeryworker
+RUN chmod +x /start-celeryworker
+
+COPY ./compose/local/django/celery/beat/start /start-celerybeat
+RUN sed -i 's/\r$//g' /start-celerybeat
+RUN chmod +x /start-celerybeat
+
+COPY ./compose/local/django/celery/flower/start /start-flower
+RUN sed -i 's/\r$//g' /start-flower
+RUN chmod +x /start-flower
+
+# copy application code to WORKDIR
+COPY . ${APP_HOME}
+
+ENTRYPOINT ["/entrypoint"]
--- a/compose/local/django/celery/beat/start
+++ b/compose/local/django/celery/beat/start
@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -o errexit
+set -o nounset
+
+
+rm -f './celerybeat.pid'
+exec watchfiles celery.__main__.main --args '-A config.celery_app beat -l INFO'
--- a/compose/local/django/celery/flower/start
+++ b/compose/local/django/celery/flower/start
@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -o errexit
+set -o nounset
+
+exec watchfiles celery.__main__.main \
+    --args \
+    "-A config.celery_app -b \"${CELERY_BROKER_URL}\" flower --basic_auth=\"${CELERY_FLOWER_USER}:${CELERY_FLOWER_PASSWORD}\""
--- a/compose/local/django/celery/worker/start
+++ b/compose/local/django/celery/worker/start
@ -0,0 +1,7 @@
+#!/bin/bash
+
+set -o errexit
+set -o nounset
+
+
+exec watchfiles celery.__main__.main --args '-A config.celery_app worker -l INFO'
--- a/compose/local/django/start
+++ b/compose/local/django/start
@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+
+python manage.py migrate
+exec python manage.py runserver_plus 0.0.0.0:8000
--- a/compose/production/django/Dockerfile
+++ b/compose/production/django/Dockerfile
@ -0,0 +1,81 @@
+ARG PYTHON_VERSION=3.11-slim
+
+# define an alias for the specfic python version used in this file.
+FROM python:${PYTHON_VERSION} as python
+
+# Python build stage
+FROM python as python-build-stage
+
+ARG BUILD_ENVIRONMENT=production
+
+# Install apt packages
+RUN apt-get update && apt-get install --no-install-recommends -y \
+  # dependencies for building Python packages
+  build-essential \
+  # psycopg2 dependencies
+  libpq-dev
+
+
+# Python 'run' stage
+FROM python as python-run-stage
+
+ARG BUILD_ENVIRONMENT=production
+ARG APP_HOME=/app
+
+ENV PYTHONUNBUFFERED 1
+ENV PYTHONDONTWRITEBYTECODE 1
+ENV BUILD_ENV ${BUILD_ENVIRONMENT}
+
+WORKDIR ${APP_HOME}
+
+# Install required system dependencies
+RUN apt-get update && apt-get install --no-install-recommends -y \
+  # psycopg2 dependencies
+  libpq-dev \
+  # Translations dependencies
+  gettext \
+  # cleaning up unused files
+  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
+  && rm -rf /var/lib/apt/lists/*
+
+RUN addgroup --system django \
+    && adduser --system --ingroup django django
+
+RUN pip install poetry
+
+# Configuring poetry
+RUN poetry config virtualenvs.create false
+COPY pyproject.toml poetry.lock /
+
+# Installing requirements
+RUN poetry install
+
+
+COPY ./compose/production/django/entrypoint /entrypoint
+RUN sed -i 's/\r$//g' /entrypoint
+RUN chmod +x /entrypoint
+
+COPY ./compose/local/django/start /start
+RUN sed -i 's/\r$//g' /start
+RUN chmod +x /start
+
+
+COPY ./compose/local/django/celery/worker/start /start-celeryworker
+RUN sed -i 's/\r$//g' /start-celeryworker
+RUN chmod +x /start-celeryworker
+
+COPY ./compose/local/django/celery/beat/start /start-celerybeat
+RUN sed -i 's/\r$//g' /start-celerybeat
+RUN chmod +x /start-celerybeat
+
+COPY ./compose/local/django/celery/flower/start /start-flower
+RUN sed -i 's/\r$//g' /start-flower
+RUN chmod +x /start-flower
+
+# copy application code to WORKDIR
+COPY --chown=django:django . ${APP_HOME}
+
+# make django owner of the WORKDIR directory as well.
+RUN chown django:django ${APP_HOME}
+
+USER django
--- a/compose/production/django/celery/beat/start
+++ b/compose/production/django/celery/beat/start
@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+
+exec celery -A config.celery_app beat -l INFO
--- a/compose/production/django/celery/flower/start
+++ b/compose/production/django/celery/flower/start
@ -0,0 +1,11 @@
+#!/bin/bash
+
+set -o errexit
+set -o nounset
+
+
+exec celery \
+    -A config.celery_app \
+    -b "${CELERY_BROKER_URL}" \
+    flower \
+    --basic_auth="${CELERY_FLOWER_USER}:${CELERY_FLOWER_PASSWORD}"
--- a/compose/production/django/celery/worker/start
+++ b/compose/production/django/celery/worker/start
@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+
+exec celery -A config.celery_app worker -l INFO
--- a/compose/production/django/entrypoint
+++ b/compose/production/django/entrypoint
@ -0,0 +1,49 @@
+#!/bin/bash
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+
+
+# N.B. If only .env files supported variable expansion...
+export CELERY_BROKER_URL="${REDIS_URL}"
+
+
+if [ -z "${POSTGRES_USER}" ]; then
+    base_postgres_image_default_user='postgres'
+    export POSTGRES_USER="${base_postgres_image_default_user}"
+fi
+export DATABASE_URL="postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DB}"
+
+python << END
+import sys
+import time
+
+import psycopg2
+
+suggest_unrecoverable_after = 30
+start = time.time()
+
+while True:
+    try:
+        psycopg2.connect(
+            dbname="${POSTGRES_DB}",
+            user="${POSTGRES_USER}",
+            password="${POSTGRES_PASSWORD}",
+            host="${POSTGRES_HOST}",
+            port="${POSTGRES_PORT}",
+        )
+        break
+    except psycopg2.OperationalError as error:
+        sys.stderr.write("Waiting for PostgreSQL to become available...\n")
+
+        if time.time() - start > suggest_unrecoverable_after:
+            sys.stderr.write("  This is taking longer than expected. The following exception may be indicative of an unrecoverable error: '{}'\n".format(error))
+
+    time.sleep(1)
+END
+
+>&2 echo 'PostgreSQL is available'
+
+exec "$@"
--- a/compose/production/django/start
+++ b/compose/production/django/start
@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+
+python /app/manage.py collectstatic --noinput
+exec /usr/local/bin/gunicorn config.wsgi --bind 0.0.0.0:5000 --chdir=/app
--- a/compose/production/postgres/Dockerfile
+++ b/compose/production/postgres/Dockerfile
@ -0,0 +1,6 @@
+FROM postgres:14
+
+COPY ./compose/production/postgres/maintenance /usr/local/bin/maintenance
+RUN chmod +x /usr/local/bin/maintenance/*
+RUN mv /usr/local/bin/maintenance/* /usr/local/bin \
+    && rmdir /usr/local/bin/maintenance
--- a/compose/production/postgres/maintenance/_sourced/constants.sh
+++ b/compose/production/postgres/maintenance/_sourced/constants.sh
@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+
+BACKUP_DIR_PATH='/backups'
+BACKUP_FILE_PREFIX='backup'
--- a/compose/production/postgres/maintenance/_sourced/countdown.sh
+++ b/compose/production/postgres/maintenance/_sourced/countdown.sh
@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+
+countdown() {
+    declare desc="A simple countdown. Source: https://superuser.com/a/611582"
+    local seconds="${1}"
+    local d=$(($(date +%s) + "${seconds}"))
+    while [ "$d" -ge `date +%s` ]; do
+        echo -ne "$(date -u --date @$(($d - `date +%s`)) +%H:%M:%S)\r";
+        sleep 0.1
+    done
+}
--- a/compose/production/postgres/maintenance/_sourced/messages.sh
+++ b/compose/production/postgres/maintenance/_sourced/messages.sh
@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+
+
+message_newline() {
+    echo
+}
+
+message_debug()
+{
+    echo -e "DEBUG: ${@}"
+}
+
+message_welcome()
+{
+    echo -e "\e[1m${@}\e[0m"
+}
+
+message_warning()
+{
+    echo -e "\e[33mWARNING\e[0m: ${@}"
+}
+
+message_error()
+{
+    echo -e "\e[31mERROR\e[0m: ${@}"
+}
+
+message_info()
+{
+    echo -e "\e[37mINFO\e[0m: ${@}"
+}
+
+message_suggestion()
+{
+    echo -e "\e[33mSUGGESTION\e[0m: ${@}"
+}
+
+message_success()
+{
+    echo -e "\e[32mSUCCESS\e[0m: ${@}"
+}
--- a/compose/production/postgres/maintenance/_sourced/yes_no.sh
+++ b/compose/production/postgres/maintenance/_sourced/yes_no.sh
@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+
+yes_no() {
+    declare desc="Prompt for confirmation. \$\"\{1\}\": confirmation message."
+    local arg1="${1}"
+
+    local response=
+    read -r -p "${arg1} (y/[n])? " response
+    if [[ "${response}" =~ ^[Yy]$ ]]
+    then
+        exit 0
+    else
+        exit 1
+    fi
+}
--- a/compose/production/postgres/maintenance/backup
+++ b/compose/production/postgres/maintenance/backup
@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+
+
+### Create a database backup.
+###
+### Usage:
+###     $ docker-compose -f <environment>.yml (exec |run --rm) postgres backup
+
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+
+working_dir="$(dirname ${0})"
+source "${working_dir}/_sourced/constants.sh"
+source "${working_dir}/_sourced/messages.sh"
+
+
+message_welcome "Backing up the '${POSTGRES_DB}' database..."
+
+
+if [[ "${POSTGRES_USER}" == "postgres" ]]; then
+    message_error "Backing up as 'postgres' user is not supported. Assign 'POSTGRES_USER' env with another one and try again."
+    exit 1
+fi
+
+export PGHOST="${POSTGRES_HOST}"
+export PGPORT="${POSTGRES_PORT}"
+export PGUSER="${POSTGRES_USER}"
+export PGPASSWORD="${POSTGRES_PASSWORD}"
+export PGDATABASE="${POSTGRES_DB}"
+
+backup_filename="${BACKUP_FILE_PREFIX}_$(date +'%Y_%m_%dT%H_%M_%S').sql.gz"
+pg_dump | gzip > "${BACKUP_DIR_PATH}/${backup_filename}"
+
+
+message_success "'${POSTGRES_DB}' database backup '${backup_filename}' has been created and placed in '${BACKUP_DIR_PATH}'."
--- a/compose/production/postgres/maintenance/backups
+++ b/compose/production/postgres/maintenance/backups
@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+
+### View backups.
+###
+### Usage:
+###     $ docker-compose -f <environment>.yml (exec |run --rm) postgres backups
+
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+
+working_dir="$(dirname ${0})"
+source "${working_dir}/_sourced/constants.sh"
+source "${working_dir}/_sourced/messages.sh"
+
+
+message_welcome "These are the backups you have got:"
+
+ls -lht "${BACKUP_DIR_PATH}"
--- a/compose/production/postgres/maintenance/restore
+++ b/compose/production/postgres/maintenance/restore
@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+
+
+### Restore database from a backup.
+###
+### Parameters:
+###     <1> filename of an existing backup.
+###
+### Usage:
+###     $ docker-compose -f <environment>.yml (exec |run --rm) postgres restore <1>
+
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+
+working_dir="$(dirname ${0})"
+source "${working_dir}/_sourced/constants.sh"
+source "${working_dir}/_sourced/messages.sh"
+
+
+if [[ -z ${1+x} ]]; then
+    message_error "Backup filename is not specified yet it is a required parameter. Make sure you provide one and try again."
+    exit 1
+fi
+backup_filename="${BACKUP_DIR_PATH}/${1}"
+if [[ ! -f "${backup_filename}" ]]; then
+    message_error "No backup with the specified filename found. Check out the 'backups' maintenance script output to see if there is one and try again."
+    exit 1
+fi
+
+message_welcome "Restoring the '${POSTGRES_DB}' database from the '${backup_filename}' backup..."
+
+if [[ "${POSTGRES_USER}" == "postgres" ]]; then
+    message_error "Restoring as 'postgres' user is not supported. Assign 'POSTGRES_USER' env with another one and try again."
+    exit 1
+fi
+
+export PGHOST="${POSTGRES_HOST}"
+export PGPORT="${POSTGRES_PORT}"
+export PGUSER="${POSTGRES_USER}"
+export PGPASSWORD="${POSTGRES_PASSWORD}"
+export PGDATABASE="${POSTGRES_DB}"
+
+message_info "Dropping the database..."
+dropdb "${PGDATABASE}"
+
+message_info "Creating a new database..."
+createdb --owner="${POSTGRES_USER}"
+
+message_info "Applying the backup to the new database..."
+gunzip -c "${backup_filename}" | psql "${POSTGRES_DB}"
+
+message_success "The '${POSTGRES_DB}' database has been restored from the '${backup_filename}' backup."
--- a/compose/production/traefik/Dockerfile
+++ b/compose/production/traefik/Dockerfile
@ -0,0 +1,5 @@
+FROM traefik:v2.2.11
+RUN mkdir -p /etc/traefik/acme \
+  && touch /etc/traefik/acme/acme.json \
+  && chmod 600 /etc/traefik/acme/acme.json
+COPY ./compose/production/traefik/traefik.yml /etc/traefik
--- a/compose/production/traefik/traefik.yml
+++ b/compose/production/traefik/traefik.yml
@ -0,0 +1,75 @@
+log:
+  level: INFO
+
+entryPoints:
+  web:
+    # http
+    address: ":80"
+    http:
+      # https://docs.traefik.io/routing/entrypoints/#entrypoint
+      redirections:
+        entryPoint:
+          to: web-secure
+
+  web-secure:
+    # https
+    address: ":443"
+
+  flower:
+    address: ":5555"
+
+certificatesResolvers:
+  letsencrypt:
+    # https://docs.traefik.io/master/https/acme/#lets-encrypt
+    acme:
+      email: "sanspie@dev2.akarpov.ru"
+      storage: /etc/traefik/acme/acme.json
+      # https://docs.traefik.io/master/https/acme/#httpchallenge
+      httpChallenge:
+        entryPoint: web
+
+http:
+  routers:
+    web-secure-router:
+      rule: "Host(`dev2.akarpov.ru`)"
+      entryPoints:
+        - web-secure
+      middlewares:
+        - csrf
+      service: django
+      tls:
+        # https://docs.traefik.io/master/routing/routers/#certresolver
+        certResolver: letsencrypt
+
+    flower-secure-router:
+      rule: "Host(`dev2.akarpov.ru`)"
+      entryPoints:
+        - flower
+      service: flower
+      tls:
+        # https://docs.traefik.io/master/routing/routers/#certresolver
+        certResolver: letsencrypt
+
+  middlewares:
+    csrf:
+      # https://docs.traefik.io/master/middlewares/headers/#hostsproxyheaders
+      # https://docs.djangoproject.com/en/dev/ref/csrf/#ajax
+      headers:
+        hostsProxyHeaders: ["X-CSRFToken"]
+
+  services:
+    django:
+      loadBalancer:
+        servers:
+          - url: http://django:5000
+
+    flower:
+      loadBalancer:
+        servers:
+          - url: http://flower:5555
+
+providers:
+  # https://docs.traefik.io/master/providers/file/
+  file:
+    filename: /etc/traefik/traefik.yml
+    watch: true
--- a/config/init.py
+++ b/config/init.py
--- a/config/api_router.py
+++ b/config/api_router.py
@ -0,0 +1,6 @@
+from django.urls import path, include
+
+app_name = "api"
+urlpatterns = [
+    path("exgausters/", include("analytics.api.urls"))
+]
--- a/config/asgi.py
+++ b/config/asgi.py
@ -0,0 +1,14 @@
+import os
+
+from channels.routing import ProtocolTypeRouter, URLRouter
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "config.settings.local")
+
+django_asgi_app = get_asgi_application()
+
+from exhauster_analytics.analytics.routing import websocket_urlpatterns
+
+application = ProtocolTypeRouter(
+    {"http": django_asgi_app, "websocket": URLRouter(websocket_urlpatterns)}
+)
--- a/config/celery_app.py
+++ b/config/celery_app.py
@ -0,0 +1,17 @@
+import os
+
+from celery import Celery
+
+# set the default Django settings module for the 'celery' program.
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "config.settings.local")
+
+app = Celery("exhauster_analytics")
+
+# Using a string here means the worker doesn't have to serialize
+# the configuration object to child processes.
+# - namespace='CELERY' means all celery-related configuration keys
+#   should have a `CELERY_` prefix.
+app.config_from_object("django.conf:settings", namespace="CELERY")
+
+# Load task modules from all registered Django app configs.
+app.autodiscover_tasks()
--- a/config/settings/init.py
+++ b/config/settings/init.py
--- a/config/settings/base.py
+++ b/config/settings/base.py
@ -0,0 +1,342 @@
+"""
+Base settings to build other settings files upon.
+"""
+from pathlib import Path
+
+import environ
+import structlog
+
+ROOT_DIR = Path(__file__).resolve(strict=True).parent.parent.parent
+# exhauster_analytics/
+APPS_DIR = ROOT_DIR / "exhauster_analytics"
+env = environ.Env()
+
+READ_DOT_ENV_FILE = env.bool("DJANGO_READ_DOT_ENV_FILE", default=True)
+if READ_DOT_ENV_FILE:
+    # OS environment variables take precedence over variables from .env
+    env.read_env(str(ROOT_DIR / ".env"))
+
+# GENERAL
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#debug
+DEBUG = env.bool("DJANGO_DEBUG", False)
+# Local time zone. Choices are
+# http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
+# though not all of them may be available with every OS.
+# In Windows, this must be set to your system time zone.
+TIME_ZONE = "Europe/Moscow"
+# https://docs.djangoproject.com/en/dev/ref/settings/#language-code
+LANGUAGE_CODE = "en-us"
+# https://docs.djangoproject.com/en/dev/ref/settings/#site-id
+SITE_ID = 1
+# https://docs.djangoproject.com/en/dev/ref/settings/#use-i18n
+USE_I18N = True
+# https://docs.djangoproject.com/en/dev/ref/settings/#use-tz
+USE_TZ = True
+# https://docs.djangoproject.com/en/dev/ref/settings/#locale-paths
+LOCALE_PATHS = [str(ROOT_DIR / "locale")]
+
+# DATABASES
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#databases
+DATABASES = {"default": env.db("DATABASE_URL")}
+DATABASES["default"]["ATOMIC_REQUESTS"] = True
+# https://docs.djangoproject.com/en/stable/ref/settings/#std:setting-DEFAULT_AUTO_FIELD
+DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"
+
+# URLS
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#root-urlconf
+ROOT_URLCONF = "config.urls"
+# https://docs.djangoproject.com/en/dev/ref/settings/#wsgi-application
+WSGI_APPLICATION = "config.wsgi.application"
+
+
+# CHANNELS
+# ------------------------------------------------------------------------------
+ASGI_APPLICATION = "config.asgi.application"
+
+CHANNEL_LAYERS = {
+    "default": {
+        "BACKEND": "channels_redis.core.RedisChannelLayer",
+        "CONFIG": {
+            "hosts": [("127.0.0.1", 6379)],
+        },
+    },
+}
+
+# APPS
+# ------------------------------------------------------------------------------
+DJANGO_APPS = [
+    "daphne",
+    "django.contrib.auth",
+    "django.contrib.contenttypes",
+    "django.contrib.sessions",
+    "django.contrib.sites",
+    "django.contrib.messages",
+    "django.contrib.staticfiles",
+    # "django.contrib.humanize", # Handy template tags
+    "django.contrib.admin",
+    "django.forms",
+]
+THIRD_PARTY_APPS = [
+    "rest_framework",
+    "rest_framework.authtoken",
+    "corsheaders",
+    "drf_spectacular",
+]
+
+LOCAL_APPS = [
+    "exhauster_analytics.users",
+    "exhauster_analytics.analytics",
+]
+# https://docs.djangoproject.com/en/dev/ref/settings/#installed-apps
+INSTALLED_APPS = DJANGO_APPS + THIRD_PARTY_APPS + LOCAL_APPS
+
+# AUTHENTICATION
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#auth-user-model
+AUTH_USER_MODEL = "users.User"
+
+# PASSWORDS
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#password-hashers
+PASSWORD_HASHERS = [
+    # https://docs.djangoproject.com/en/dev/topics/auth/passwords/#using-argon2-with-django
+    "django.contrib.auth.hashers.Argon2PasswordHasher",
+    "django.contrib.auth.hashers.PBKDF2PasswordHasher",
+    "django.contrib.auth.hashers.PBKDF2SHA1PasswordHasher",
+    "django.contrib.auth.hashers.BCryptSHA256PasswordHasher",
+]
+# https://docs.djangoproject.com/en/dev/ref/settings/#auth-password-validators
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        "NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator"
+    },
+    {"NAME": "django.contrib.auth.password_validation.MinimumLengthValidator"},
+    {"NAME": "django.contrib.auth.password_validation.CommonPasswordValidator"},
+    {"NAME": "django.contrib.auth.password_validation.NumericPasswordValidator"},
+]
+
+# MIDDLEWARE
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#middleware
+MIDDLEWARE = [
+    "django.middleware.security.SecurityMiddleware",
+    "corsheaders.middleware.CorsMiddleware",
+    "whitenoise.middleware.WhiteNoiseMiddleware",
+    "django.contrib.sessions.middleware.SessionMiddleware",
+    "django.middleware.locale.LocaleMiddleware",
+    "django.middleware.common.CommonMiddleware",
+    "django.middleware.csrf.CsrfViewMiddleware",
+    "django.contrib.auth.middleware.AuthenticationMiddleware",
+    "django.contrib.messages.middleware.MessageMiddleware",
+    "django.middleware.common.BrokenLinkEmailsMiddleware",
+    "django.middleware.clickjacking.XFrameOptionsMiddleware",
+]
+
+# STATIC
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#static-root
+STATIC_ROOT = str(ROOT_DIR / "staticfiles")
+# https://docs.djangoproject.com/en/dev/ref/settings/#static-url
+STATIC_URL = "/static/"
+# https://docs.djangoproject.com/en/dev/ref/contrib/staticfiles/#std:setting-STATICFILES_DIRS
+STATICFILES_DIRS = [str(APPS_DIR / "static")]
+# https://docs.djangoproject.com/en/dev/ref/contrib/staticfiles/#staticfiles-finders
+STATICFILES_FINDERS = [
+    "django.contrib.staticfiles.finders.FileSystemFinder",
+    "django.contrib.staticfiles.finders.AppDirectoriesFinder",
+]
+
+# MEDIA
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#media-root
+MEDIA_ROOT = str(APPS_DIR / "media")
+# https://docs.djangoproject.com/en/dev/ref/settings/#media-url
+MEDIA_URL = "/media/"
+
+# TEMPLATES
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#templates
+TEMPLATES = [
+    {
+        # https://docs.djangoproject.com/en/dev/ref/settings/#std:setting-TEMPLATES-BACKEND
+        "BACKEND": "django.template.backends.django.DjangoTemplates",
+        # https://docs.djangoproject.com/en/dev/ref/settings/#dirs
+        "DIRS": [str(APPS_DIR / "templates")],
+        # https://docs.djangoproject.com/en/dev/ref/settings/#app-dirs
+        "APP_DIRS": True,
+        "OPTIONS": {
+            # https://docs.djangoproject.com/en/dev/ref/settings/#template-context-processors
+            "context_processors": [
+                "django.template.context_processors.debug",
+                "django.template.context_processors.request",
+                "django.contrib.auth.context_processors.auth",
+                "django.template.context_processors.i18n",
+                "django.template.context_processors.media",
+                "django.template.context_processors.static",
+                "django.template.context_processors.tz",
+                "django.contrib.messages.context_processors.messages",
+            ],
+        },
+    }
+]
+
+# https://docs.djangoproject.com/en/dev/ref/settings/#form-renderer
+FORM_RENDERER = "django.forms.renderers.TemplatesSetting"
+
+# FIXTURES
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#fixture-dirs
+FIXTURE_DIRS = (str(APPS_DIR / "fixtures"),)
+
+# SECURITY
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#session-cookie-httponly
+SESSION_COOKIE_HTTPONLY = True
+# https://docs.djangoproject.com/en/dev/ref/settings/#csrf-cookie-httponly
+CSRF_COOKIE_HTTPONLY = True
+# https://docs.djangoproject.com/en/dev/ref/settings/#secure-browser-xss-filter
+SECURE_BROWSER_XSS_FILTER = True
+# https://docs.djangoproject.com/en/dev/ref/settings/#x-frame-options
+X_FRAME_OPTIONS = "DENY"
+
+# ADMIN
+# ------------------------------------------------------------------------------
+# Django Admin URL.
+ADMIN_URL = "admin/"
+# https://docs.djangoproject.com/en/dev/ref/settings/#admins
+ADMINS = [("""sanspie""", "sanspie@dev2.akarpov.ru")]
+# https://docs.djangoproject.com/en/dev/ref/settings/#managers
+MANAGERS = ADMINS
+
+# LOGGING
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#logging
+# See https://docs.djangoproject.com/en/dev/topics/logging for
+# more details on how to customize your logging configuration.
+LOGGING = {
+    "version": 1,
+    "disable_existing_loggers": False,
+    "formatters": {
+        "json_formatter": {
+            "()": structlog.stdlib.ProcessorFormatter,
+            "processor": structlog.processors.JSONRenderer(),
+        },
+        "plain_console": {
+            "()": structlog.stdlib.ProcessorFormatter,
+            "processor": structlog.dev.ConsoleRenderer(),
+        },
+        "key_value": {
+            "()": structlog.stdlib.ProcessorFormatter,
+            "processor": structlog.processors.KeyValueRenderer(
+                key_order=["timestamp", "level", "event", "logger"]
+            ),
+        },
+    },
+    "handlers": {
+        "console": {
+            "class": "logging.StreamHandler",
+            "formatter": "plain_console",
+        },
+        "json_file": {
+            "class": "logging.handlers.WatchedFileHandler",
+            "filename": "logs/json.log",
+            "formatter": "json_formatter",
+        },
+        "flat_line_file": {
+            "class": "logging.handlers.WatchedFileHandler",
+            "filename": "logs/flat_line.log",
+            "formatter": "key_value",
+        },
+    },
+    "loggers": {
+        "django_structlog": {
+            "handlers": ["console", "flat_line_file", "json_file"],
+            "level": "INFO",
+        },
+        # Make sure to replace the following logger's name for yours
+        "django_structlog_demo_project": {
+            "handlers": ["console", "flat_line_file", "json_file"],
+            "level": "INFO",
+        },
+    },
+}
+
+structlog.configure(
+    processors=[
+        structlog.contextvars.merge_contextvars,
+        structlog.stdlib.filter_by_level,
+        structlog.processors.TimeStamper(fmt="iso"),
+        structlog.stdlib.add_logger_name,
+        structlog.stdlib.add_log_level,
+        structlog.stdlib.PositionalArgumentsFormatter(),
+        structlog.processors.StackInfoRenderer(),
+        structlog.processors.format_exc_info,
+        structlog.processors.UnicodeDecoder(),
+        structlog.stdlib.ProcessorFormatter.wrap_for_formatter,
+    ],
+    logger_factory=structlog.stdlib.LoggerFactory(),
+    cache_logger_on_first_use=True,
+)
+
+# Celery
+# ------------------------------------------------------------------------------
+if USE_TZ:
+    # https://docs.celeryq.dev/en/stable/userguide/configuration.html#std:setting-timezone
+    CELERY_TIMEZONE = TIME_ZONE
+# https://docs.celeryq.dev/en/stable/userguide/configuration.html#std:setting-broker_url
+CELERY_BROKER_URL = env("CELERY_BROKER_URL")
+# https://docs.celeryq.dev/en/stable/userguide/configuration.html#std:setting-result_backend
+CELERY_RESULT_BACKEND = CELERY_BROKER_URL
+# https://docs.celeryq.dev/en/stable/userguide/configuration.html#result-extended
+CELERY_RESULT_EXTENDED = True
+# https://docs.celeryq.dev/en/stable/userguide/configuration.html#result-backend-always-retry
+# https://github.com/celery/celery/pull/6122
+CELERY_RESULT_BACKEND_ALWAYS_RETRY = True
+# https://docs.celeryq.dev/en/stable/userguide/configuration.html#result-backend-max-retries
+CELERY_RESULT_BACKEND_MAX_RETRIES = 10
+# https://docs.celeryq.dev/en/stable/userguide/configuration.html#std:setting-accept_content
+CELERY_ACCEPT_CONTENT = ["json"]
+# https://docs.celeryq.dev/en/stable/userguide/configuration.html#std:setting-task_serializer
+CELERY_TASK_SERIALIZER = "json"
+# https://docs.celeryq.dev/en/stable/userguide/configuration.html#std:setting-result_serializer
+CELERY_RESULT_SERIALIZER = "json"
+# https://docs.celeryq.dev/en/stable/userguide/configuration.html#task-time-limit
+CELERY_TASK_TIME_LIMIT = 5 * 60
+# https://docs.celeryq.dev/en/stable/userguide/configuration.html#task-soft-time-limit
+CELERY_TASK_SOFT_TIME_LIMIT = 60
+# https://docs.celeryq.dev/en/stable/userguide/configuration.html#beat-scheduler
+CELERY_BEAT_SCHEDULER = "django_celery_beat.schedulers:DatabaseScheduler"
+# https://docs.celeryq.dev/en/stable/userguide/configuration.html#worker-send-task-events
+CELERY_WORKER_SEND_TASK_EVENTS = True
+# https://docs.celeryq.dev/en/stable/userguide/configuration.html#std-setting-task_send_sent_event
+CELERY_TASK_SEND_SENT_EVENT = True
+# DRF
+# -------------------------------------------------------------------------------
+# django-rest-framework - https://www.django-rest-framework.org/api-guide/settings/
+REST_FRAMEWORK = {
+    "DEFAULT_AUTHENTICATION_CLASSES": (
+        "rest_framework.authentication.SessionAuthentication",
+        "rest_framework.authentication.TokenAuthentication",
+    ),
+    "DEFAULT_PERMISSION_CLASSES": ("rest_framework.permissions.IsAuthenticated",),
+    "DEFAULT_SCHEMA_CLASS": "drf_spectacular.openapi.AutoSchema",
+}
+
+# django-cors-headers - https://github.com/adamchainz/django-cors-headers#setup
+CORS_URLS_REGEX = r"^/api/.*$"
+
+# By Default swagger ui is available only to admin user(s). You can change permission classes to change that
+# See more configuration options at https://drf-spectacular.readthedocs.io/en/latest/settings.html#settings
+SPECTACULAR_SETTINGS = {
+    "TITLE": "exhauster analytics API",
+    "DESCRIPTION": "Documentation of API endpoints of exhauster analytics",
+    "VERSION": "1.0.0",
+    "SERVE_PERMISSIONS": [],
+    "SERVERS": [
+        {"url": "http://127.0.0.1:8000", "description": "Local Development server"},
+        {"url": "dev2.akarpov.ru", "description": "Production server"},
+    ],
+}
--- a/config/settings/local.py
+++ b/config/settings/local.py
@ -0,0 +1,61 @@
+from .base import *  # noqa
+from .base import env
+
+# GENERAL
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#debug
+DEBUG = True
+# https://docs.djangoproject.com/en/dev/ref/settings/#secret-key
+SECRET_KEY = env(
+    "DJANGO_SECRET_KEY",
+    default="0VrySsiWvZ8zLTFAeaurf3Zs8chJEnRN3g6Hd05gjTkgW4GOFB7ZGobXLH9VT7Bp",
+)
+# https://docs.djangoproject.com/en/dev/ref/settings/#allowed-hosts
+ALLOWED_HOSTS = ["localhost", "0.0.0.0", "127.0.0.1", "dev2.akarpov.ru"]
+CORS_ORIGIN_ALLOW_ALL = True
+
+# CACHES
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#caches
+CACHES = {
+    "default": {
+        "BACKEND": "django.core.cache.backends.locmem.LocMemCache",
+        "LOCATION": "",
+    }
+}
+
+# WhiteNoise
+# ------------------------------------------------------------------------------
+# http://whitenoise.evans.io/en/latest/django.html#using-whitenoise-in-development
+INSTALLED_APPS = ["whitenoise.runserver_nostatic"] + INSTALLED_APPS  # noqa F405
+
+
+# django-debug-toolbar
+# ------------------------------------------------------------------------------
+# https://django-debug-toolbar.readthedocs.io/en/latest/installation.html#prerequisites
+INSTALLED_APPS += ["debug_toolbar"]  # noqa F405
+# https://django-debug-toolbar.readthedocs.io/en/latest/installation.html#middleware
+MIDDLEWARE += ["debug_toolbar.middleware.DebugToolbarMiddleware"]  # noqa F405
+# https://django-debug-toolbar.readthedocs.io/en/latest/configuration.html#debug-toolbar-config
+DEBUG_TOOLBAR_CONFIG = {
+    "DISABLE_PANELS": ["debug_toolbar.panels.redirects.RedirectsPanel"],
+    "SHOW_TEMPLATE_CONTEXT": True,
+}
+# https://django-debug-toolbar.readthedocs.io/en/latest/installation.html#internal-ips
+INTERNAL_IPS = ["127.0.0.1", "10.0.2.2"]
+if env("USE_DOCKER") == "yes":
+    import socket
+
+    hostname, _, ips = socket.gethostbyname_ex(socket.gethostname())
+    INTERNAL_IPS += [".".join(ip.split(".")[:-1] + ["1"]) for ip in ips]
+
+# django-extensions
+# ------------------------------------------------------------------------------
+# https://django-extensions.readthedocs.io/en/latest/installation_instructions.html#configuration
+INSTALLED_APPS += ["django_extensions"]  # noqa F405
+# Celery
+# ------------------------------------------------------------------------------
+# https://docs.celeryq.dev/en/stable/userguide/configuration.html#task-eager-propagates
+CELERY_TASK_EAGER_PROPAGATES = True
+# Your stuff...
+# ------------------------------------------------------------------------------
--- a/config/settings/production.py
+++ b/config/settings/production.py
@ -0,0 +1,115 @@
+from .base import *  # noqa
+from .base import env
+
+# GENERAL
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#secret-key
+SECRET_KEY = env("DJANGO_SECRET_KEY")
+# https://docs.djangoproject.com/en/dev/ref/settings/#allowed-hosts
+ALLOWED_HOSTS = env.list("DJANGO_ALLOWED_HOSTS", default=["dev2.akarpov.ru"])
+
+# DATABASES
+# ------------------------------------------------------------------------------
+DATABASES["default"]["CONN_MAX_AGE"] = env.int("CONN_MAX_AGE", default=60)  # noqa F405
+
+# CACHES
+# ------------------------------------------------------------------------------
+CACHES = {
+    "default": {
+        "BACKEND": "django_redis.cache.RedisCache",
+        "LOCATION": env("REDIS_URL"),
+        "OPTIONS": {
+            "CLIENT_CLASS": "django_redis.client.DefaultClient",
+            # Mimicing memcache behavior.
+            # https://github.com/jazzband/django-redis#memcached-exceptions-behavior
+            "IGNORE_EXCEPTIONS": True,
+        },
+    }
+}
+
+# SECURITY
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#secure-proxy-ssl-header
+SECURE_PROXY_SSL_HEADER = ("HTTP_X_FORWARDED_PROTO", "https")
+# https://docs.djangoproject.com/en/dev/ref/settings/#secure-ssl-redirect
+SECURE_SSL_REDIRECT = env.bool("DJANGO_SECURE_SSL_REDIRECT", default=True)
+# https://docs.djangoproject.com/en/dev/ref/settings/#session-cookie-secure
+SESSION_COOKIE_SECURE = True
+# https://docs.djangoproject.com/en/dev/ref/settings/#csrf-cookie-secure
+CSRF_COOKIE_SECURE = True
+# https://docs.djangoproject.com/en/dev/topics/security/#ssl-https
+# https://docs.djangoproject.com/en/dev/ref/settings/#secure-hsts-seconds
+SECURE_HSTS_SECONDS = 518400
+# https://docs.djangoproject.com/en/dev/ref/settings/#secure-hsts-include-subdomains
+SECURE_HSTS_INCLUDE_SUBDOMAINS = env.bool(
+    "DJANGO_SECURE_HSTS_INCLUDE_SUBDOMAINS", default=True
+)
+# https://docs.djangoproject.com/en/dev/ref/settings/#secure-hsts-preload
+SECURE_HSTS_PRELOAD = env.bool("DJANGO_SECURE_HSTS_PRELOAD", default=True)
+# https://docs.djangoproject.com/en/dev/ref/middleware/#x-content-type-options-nosniff
+SECURE_CONTENT_TYPE_NOSNIFF = env.bool(
+    "DJANGO_SECURE_CONTENT_TYPE_NOSNIFF", default=True
+)
+
+# STATIC
+# ------------------------
+STATICFILES_STORAGE = "whitenoise.storage.CompressedManifestStaticFilesStorage"
+# MEDIA
+# ------------------------------------------------------------------------------
+
+# ADMIN
+# ------------------------------------------------------------------------------
+# Django Admin URL regex.
+ADMIN_URL = env("DJANGO_ADMIN_URL")
+# LOGGING
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#logging
+# See https://docs.djangoproject.com/en/dev/topics/logging for
+# more details on how to customize your logging configuration.
+# A sample logging configuration. The only tangible logging
+# performed by this configuration is to send an email to
+# the site admins on every HTTP 500 error when DEBUG=False.
+LOGGING = {
+    "version": 1,
+    "disable_existing_loggers": False,
+    "filters": {"require_debug_false": {"()": "django.utils.log.RequireDebugFalse"}},
+    "formatters": {
+        "verbose": {
+            "format": "%(levelname)s %(asctime)s %(module)s "
+            "%(process)d %(thread)d %(message)s"
+        }
+    },
+    "handlers": {
+        "mail_admins": {
+            "level": "ERROR",
+            "filters": ["require_debug_false"],
+            "class": "django.utils.log.AdminEmailHandler",
+        },
+        "console": {
+            "level": "DEBUG",
+            "class": "logging.StreamHandler",
+            "formatter": "verbose",
+        },
+    },
+    "root": {"level": "INFO", "handlers": ["console"]},
+    "loggers": {
+        "django.request": {
+            "handlers": ["mail_admins"],
+            "level": "ERROR",
+            "propagate": True,
+        },
+        "django.security.DisallowedHost": {
+            "level": "ERROR",
+            "handlers": ["console", "mail_admins"],
+            "propagate": True,
+        },
+    },
+}
+
+
+# django-rest-framework
+# -------------------------------------------------------------------------------
+# Tools that generate code samples can use SERVERS to point to the correct domain
+SPECTACULAR_SETTINGS["SERVERS"] = [  # noqa F405
+    {"url": "https://dev2.akarpov.ru", "description": "Production server"}
+]
--- a/config/settings/test.py
+++ b/config/settings/test.py
@ -0,0 +1,33 @@
+"""
+With these settings, tests run faster.
+"""
+
+from .base import *  # noqa
+from .base import env
+
+# GENERAL
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#secret-key
+SECRET_KEY = env(
+    "DJANGO_SECRET_KEY",
+    default="CPwLX8NbrEH6cKu20Z0ySpZtjShpGxOyfA2Lquu0t69XMWuOGMbbBaKcNYktMHiX",
+)
+# https://docs.djangoproject.com/en/dev/ref/settings/#test-runner
+TEST_RUNNER = "django.test.runner.DiscoverRunner"
+
+# PASSWORDS
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#password-hashers
+PASSWORD_HASHERS = ["django.contrib.auth.hashers.MD5PasswordHasher"]
+
+# EMAIL
+# ------------------------------------------------------------------------------
+# https://docs.djangoproject.com/en/dev/ref/settings/#email-backend
+EMAIL_BACKEND = "django.core.mail.backends.locmem.EmailBackend"
+
+# DEBUGGING FOR TEMPLATES
+# ------------------------------------------------------------------------------
+TEMPLATES[0]["OPTIONS"]["debug"] = True  # type: ignore # noqa F405
+
+# Your stuff...
+# ------------------------------------------------------------------------------
--- a/config/urls.py
+++ b/config/urls.py
@ -0,0 +1,36 @@
+from django.conf import settings
+from django.conf.urls.static import static
+from django.contrib import admin
+from django.urls import include, path
+from django.views import defaults as default_views
+from django.views.generic import TemplateView
+from drf_spectacular.views import SpectacularAPIView, SpectacularSwaggerView
+from rest_framework.authtoken.views import obtain_auth_token
+
+urlpatterns = [
+    # Django Admin, use {% url 'admin:index' %}
+    path(settings.ADMIN_URL, admin.site.urls),
+    # User management
+    # Your stuff: custom urls includes go here
+] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
+# API URLS
+urlpatterns += [
+    # API base url
+    path("api/", include("config.api_router")),
+    # DRF auth token
+    path("api/auth/token/", obtain_auth_token),
+    path("api/schema/", SpectacularAPIView.as_view(), name="api-schema"),
+    path(
+        "api/docs/",
+        SpectacularSwaggerView.as_view(url_name="api-schema"),
+        name="api-docs",
+    ),
+]
+
+if settings.DEBUG:
+    # This allows the error pages to be debugged during development, just visit
+    # these url in browser to see how these error pages look like.
+    if "debug_toolbar" in settings.INSTALLED_APPS:
+        import debug_toolbar
+
+        urlpatterns = [path("__debug__/", include(debug_toolbar.urls))] + urlpatterns
--- a/config/wsgi.py
+++ b/config/wsgi.py
@ -0,0 +1,38 @@
+"""
+WSGI config for exhauster analytics project.
+
+This module contains the WSGI application used by Django's development server
+and any production WSGI deployments. It should expose a module-level variable
+named ``application``. Django's ``runserver`` and ``runfcgi`` commands discover
+this application via the ``WSGI_APPLICATION`` setting.
+
+Usually you will have the standard Django WSGI application here, but it also
+might make sense to replace the whole Django WSGI application with a custom one
+that later delegates to the Django one. For example, you could introduce WSGI
+middleware here, or combine a Django application with an application of another
+framework.
+
+"""
+import os
+import sys
+from pathlib import Path
+
+from django.core.wsgi import get_wsgi_application
+
+# This allows easy placement of apps within the interior
+# exhauster_analytics directory.
+ROOT_DIR = Path(__file__).resolve(strict=True).parent.parent
+sys.path.append(str(ROOT_DIR / "exhauster_analytics"))
+# We defer to a DJANGO_SETTINGS_MODULE already in the environment. This breaks
+# if running multiple sites in the same mod_wsgi process. To fix this, use
+# mod_wsgi daemon mode with each site in its own daemon process, or use
+# os.environ["DJANGO_SETTINGS_MODULE"] = "config.settings.production"
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "config.settings.production")
+
+# This application object is used by any WSGI server configured to use this
+# file. This includes Django's development server, if the WSGI_APPLICATION
+# setting points here.
+application = get_wsgi_application()
+# Apply WSGI middleware here.
+# from helloworld.wsgi import HelloWorldApplication
+# application = HelloWorldApplication(application)
--- a/consumer.py
+++ b/consumer.py
@ -0,0 +1,170 @@
+import asyncio
+import os
+import datetime
+import json
+import django
+import time
+
+from channels.layers import get_channel_layer
+
+from confluent_kafka.avro import Consumer
+from confluent_kafka.avro.serializer import SerializerError
+from django.utils.timezone import make_aware
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "config.settings.local")
+django.setup()
+
+from exhauster_analytics.analytics.models import (
+    ExgausterSignal,
+    Record,
+    ExgausterRecordSignal,
+    RecordApproximation,
+    ExgausterRecordApproximationSignal,
+)
+from config.settings.base import structlog
+
+log = structlog.get_logger()
+
+print("loading values from DB, please wait")
+
+values = {}
+for sign in Record.objects.last().signals.all():
+    values[sign.signal.name] = []
+
+em = len(Record.objects.all())
+if em > 60:
+    for record in Record.objects.all()[em - 60 :]:
+        for sign in record.signals.all():
+            if sign.signal.name in values:
+                values[sign.signal.name].append(sign.value)
+
+
+conf = {
+    "bootstrap.servers": "rc1a-2ar1hqnl386tvq7k.mdb.yandexcloud.net:9091",
+    "group.id": "MentalMind",
+    "session.timeout.ms": 6000,
+    "security.protocol": "SASL_SSL",
+    "ssl.ca.location": "CA.pem",
+    "sasl.mechanism": "SCRAM-SHA-512",
+    "sasl.username": "9433_reader",
+    "sasl.password": "eUIpgWu0PWTJaTrjhjQD3.hoyhntiK",
+    "auto.offset.reset": "end",
+}
+
+
+def my_assign(consumer, partitions):
+    for p in partitions:
+        p.offset = Record.objects.last().offset + 1
+    print("assign", partitions)
+    consumer.assign(partitions)
+
+
+async def send_to_channel_layer(data):
+    channel_layer = get_channel_layer()
+    await channel_layer.group_send("notifications", {"data": data, "type": "info"})
+
+
+async def send_to_channel_layer_approximation(data, approximation):
+    channel_layer = get_channel_layer()
+    await channel_layer.group_send(
+        f"approximation_{approximation}", {"data": data, "type": "info"}
+    )
+
+
+c = Consumer(conf)
+
+c.subscribe(["zsmk-9433-dev-01"], on_assign=my_assign)
+
+signals = {}
+for ex in ExgausterSignal.objects.all():
+    if ex.place_x not in signals:
+        signals[ex.place_x] = {}
+    if ex.place_y not in signals[ex.place_x]:
+        signals[ex.place_x][ex.place_y] = {}
+    signals[ex.place_x][ex.place_y][ex.type] = ex
+
+# delete latest offset
+offset = Record.objects.last().offset
+Record.objects.filter(offset=offset).delete()
+RecordApproximation.objects.filter(offset=offset).delete()
+
+while True:
+    try:
+        msg = c.poll(10)
+    except SerializerError as e:
+        log.info("Message deserialization failed for {}: {}".format(msg, e))
+        continue
+
+    if msg is None:
+        continue
+
+    if msg.error():
+        log.info("AvroConsumer error: {}".format(msg.error()))
+        continue
+    try:
+        data = json.loads(msg.value())
+    except json.JSONDecodeError:
+        log.info("Message deserialization failed for {}".format(msg))
+        continue
+    date = make_aware(
+        datetime.datetime.strptime(data["moment"], "%Y-%m-%dT%H:%M:%S.%f")
+        + datetime.timedelta(hours=3)
+    )
+    offset = msg.offset()
+    start = time.time()
+    print(f"DEBUG: received {offset}, {date}")
+    loop = asyncio.get_event_loop()
+    coroutine = send_to_channel_layer(data)
+    loop.run_until_complete(coroutine)
+    record = Record.objects.create(timestamp=date, offset=offset, message=data)
+    if offset != 0:
+        approximation_amounts = [
+            x for x, _ in RecordApproximation.AmountChoices.choices if offset % x == 0
+        ]
+    else:
+        approximation_amounts = []
+    approximation = {}
+    for amount in approximation_amounts:
+        approximation[amount] = RecordApproximation.objects.create(
+            amount=amount, timestamp=date, offset=offset
+        )
+    approximation_values = {}
+    for approximation_val in approximation_amounts:
+        approximation_values[approximation_val] = {}
+
+    for key, val in data.items():
+        if "SM" in key:
+            if key in values:
+                del values[key][0]
+            else:
+                values[key] = [0] * 60
+            values[key].append(val)
+
+            if "." in key:
+                x, y = map(int, key[key.find("[") + 1 : key.find("]")].split("."))
+                type = "digital"
+            else:
+                x, y = map(int, key[key.find("[") + 1 : key.find("]")].split(":"))
+                type = "analog"
+            try:
+                signal = signals[x][y][type]
+                ExgausterRecordSignal.objects.create(
+                    record=record, signal=signal, value=val
+                )
+            except KeyError:
+                continue
+            for amount, approx in approximation.items():
+                vals = values[key][60-amount:]
+                r = sum(vals) / len(vals)
+                approximation_values[amount][key] = r
+                ExgausterRecordApproximationSignal.objects.create(
+                    record=approx, signal=signal, value=r
+                )
+    for approx, data in approximation_values.items():
+        loop = asyncio.get_event_loop()
+        coroutine = send_to_channel_layer_approximation(data, approx)
+        loop.run_until_complete(coroutine)
+
+    print(f"DEBUG: done {offset}, {time.time() - start} sec taken")
+
+c.close()
--- a/data.json
+++ b/data.json
--- a/exhauster_analytics/init.py
+++ b/exhauster_analytics/init.py
@ -0,0 +1,5 @@
+__version__ = "0.1.0"
+__version_info__ = tuple(
+    int(num) if num.isdigit() else num
+    for num in __version__.replace("-", ".", 1).split(".")
+)
--- a/exhauster_analytics/analytics/init.py
+++ b/exhauster_analytics/analytics/init.py
--- a/exhauster_analytics/analytics/admin.py
+++ b/exhauster_analytics/analytics/admin.py
@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.
--- a/exhauster_analytics/analytics/api/init.py
+++ b/exhauster_analytics/analytics/api/init.py
--- a/exhauster_analytics/analytics/api/serializers.py
+++ b/exhauster_analytics/analytics/api/serializers.py
@ -0,0 +1,52 @@
+from rest_framework import serializers
+
+from exhauster_analytics.analytics.models import Exgauster
+
+
+class ExgausterSerializer(serializers.ModelSerializer):
+    signals = serializers.SerializerMethodField()
+
+    def get_signals(self, obj: Exgauster) -> dict:
+        res = {}
+        for signal in obj.signals.all():
+            data = {
+                "name": signal.name,
+                "type": signal.type,
+                "description": signal.comment,
+            }
+            if signal.item not in res:
+                res[signal.item] = {}
+            if (
+                signal.characteristics
+                and signal.characteristics not in res[signal.item]
+            ):
+                res[signal.item][signal.characteristics] = {}
+            if (
+                signal.characteristics_description
+                and signal.characteristics_description
+                not in res[signal.item][signal.characteristics]
+            ):
+                res[signal.item][signal.characteristics][
+                    signal.characteristics_description
+                ] = {}
+
+            if signal.characteristics_description:
+                res[signal.item][signal.characteristics][
+                    signal.characteristics_description
+                ][signal.item_name] = data
+            elif signal.characteristics:
+                res[signal.item][signal.characteristics][signal.item_name] = data
+            else:
+                res[signal.item][signal.item_name] = data
+        return res
+
+    class Meta:
+        model = Exgauster
+        fields = ["number", "name", "signals"]
+
+
+class ExgausterSignalSerializer(serializers.Serializer):
+    approximation = serializers.ChoiceField(choices=[1, 10, 30, 60], required=False)
+    time_from = serializers.DateTimeField(required=False)
+    time_until = serializers.DateTimeField(required=False)
+    signals = serializers.ListSerializer(child=serializers.CharField(max_length=30))
--- a/exhauster_analytics/analytics/api/urls.py
+++ b/exhauster_analytics/analytics/api/urls.py
@ -0,0 +1,12 @@
+from django.urls import path
+
+from exhauster_analytics.analytics.api.views import (
+    ListExgauster,
+    GetApproximatedExgausterSignals,
+)
+
+app_name = "analytics"
+urlpatterns = [
+    path("list", ListExgauster.as_view()),
+    path("approximation", GetApproximatedExgausterSignals.as_view()),
+]
--- a/exhauster_analytics/analytics/api/views.py
+++ b/exhauster_analytics/analytics/api/views.py
@ -0,0 +1,25 @@
+from rest_framework import generics
+from rest_framework.response import Response
+
+from exhauster_analytics.analytics.services import get_signal_values
+from exhauster_analytics.analytics.api.serializers import (
+    ExgausterSerializer,
+    ExgausterSignalSerializer,
+)
+from exhauster_analytics.analytics.models import Exgauster
+
+
+class ListExgauster(generics.ListAPIView):
+    serializer_class = ExgausterSerializer
+    queryset = Exgauster.objects.all()
+    permission_classes = []
+
+
+class GetApproximatedExgausterSignals(generics.GenericAPIView):
+    serializer_class = ExgausterSignalSerializer
+    permission_classes = []
+
+    def post(self, request, *args, **kwargs):
+        serializer = ExgausterSignalSerializer(data=request.data)
+        serializer.is_valid(raise_exception=True)
+        return Response(data=get_signal_values(**serializer.data))
--- a/exhauster_analytics/analytics/apps.py
+++ b/exhauster_analytics/analytics/apps.py
@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class AnalyticsConfig(AppConfig):
+    name = "exhauster_analytics.analytics"
+    verbose_name = "Analytics"
--- a/exhauster_analytics/analytics/consumers.py
+++ b/exhauster_analytics/analytics/consumers.py
@ -0,0 +1,57 @@
+import json
+
+from channels.generic.websocket import AsyncWebsocketConsumer
+
+
+class NotificationsConsumer(AsyncWebsocketConsumer):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.room_group_name = None
+
+    async def connect(self):
+        self.room_group_name = "notifications"
+
+        await self.accept()
+        await self.channel_layer.group_add(self.room_group_name, self.channel_name)
+
+    async def disconnect(self, close_code):
+        await self.channel_layer.group_discard(self.room_group_name, self.channel_name)
+
+    # Receive message from WebSocket
+    async def receive(self, text_data):
+        pass
+
+    async def info(self, event):
+        message = event["data"]
+
+        await self.send(text_data=json.dumps(message))
+
+
+class NotificationsApproximateConsumer(AsyncWebsocketConsumer):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.room_group_name = None
+        self.room_name = None
+
+    async def connect(self):
+        self.room_group_name = "notifications"
+        approximation = self.scope["url_route"]["kwargs"]["approximation"]
+        if approximation not in [10, 30, 60]:
+            await self.close()
+        self.room_name = approximation
+        self.room_group_name = f"approximation_{approximation}"
+
+        await self.accept()
+        await self.channel_layer.group_add(self.room_group_name, self.channel_name)
+
+    async def disconnect(self, close_code):
+        await self.channel_layer.group_discard(self.room_group_name, self.channel_name)
+
+    # Receive message from WebSocket
+    async def receive(self, text_data):
+        pass
+
+    async def info(self, event):
+        message = event["data"]
+
+        await self.send(text_data=json.dumps(message))
--- a/exhauster_analytics/analytics/migrations/0001_initial.py
+++ b/exhauster_analytics/analytics/migrations/0001_initial.py
@ -0,0 +1,141 @@
+# Generated by Django 4.1.7 on 2023-02-17 09:19
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+    initial = True
+
+    dependencies = []
+
+    operations = [
+        migrations.CreateModel(
+            name="Exgauster",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("number", models.IntegerField(unique=True)),
+                ("name", models.CharField(max_length=20)),
+                ("installed", models.DateField()),
+            ],
+        ),
+        migrations.CreateModel(
+            name="Record",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("received", models.DateTimeField(auto_now_add=True)),
+                ("timestamp", models.DateTimeField()),
+                ("offset", models.IntegerField(unique=True)),
+                ("message", models.JSONField(null=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name="ExgausterSignalDescription",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("place_x", models.IntegerField()),
+                ("place_y", models.IntegerField()),
+                (
+                    "type",
+                    models.CharField(
+                        choices=[("analog", "ANALOG"), ("digital", "DIGITAL")],
+                        max_length=7,
+                    ),
+                ),
+                ("comment", models.CharField(blank=True, max_length=200)),
+                ("Exgauster", models.IntegerField()),
+                ("active", models.BooleanField(default=True)),
+            ],
+            options={
+                "unique_together": {("place_x", "place_y")},
+            },
+        ),
+        migrations.CreateModel(
+            name="ExgausterSignal",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("item", models.CharField(max_length=200)),
+                ("characteristics", models.CharField(max_length=200)),
+                ("characteristics_description", models.CharField(max_length=200)),
+                ("item_name", models.CharField(max_length=200)),
+                (
+                    "Exgauster",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="signals",
+                        to="analytics.exgauster",
+                    ),
+                ),
+                (
+                    "signal",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="analytics.exgaustersignaldescription",
+                    ),
+                ),
+            ],
+        ),
+        migrations.CreateModel(
+            name="ExgausterRecordSignal",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("value", models.FloatField()),
+                (
+                    "record",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="signals",
+                        to="analytics.record",
+                    ),
+                ),
+                (
+                    "signal",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="records",
+                        to="analytics.exgaustersignal",
+                    ),
+                ),
+            ],
+        ),
+    ]
--- a/exhauster_analytics/analytics/migrations/0002_remove_exgaustersignaldescription_exgauster.py
+++ b/exhauster_analytics/analytics/migrations/0002_remove_exgaustersignaldescription_exgauster.py
@ -0,0 +1,16 @@
+# Generated by Django 4.1.7 on 2023-02-17 09:42
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("analytics", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="exgaustersignaldescription",
+            name="Exgauster",
+        ),
+    ]
--- a/exhauster_analytics/analytics/migrations/0003_alter_exgaustersignaldescription_unique_together.py
+++ b/exhauster_analytics/analytics/migrations/0003_alter_exgaustersignaldescription_unique_together.py
@ -0,0 +1,16 @@
+# Generated by Django 4.1.7 on 2023-02-17 09:47
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("analytics", "0002_remove_exgaustersignaldescription_exgauster"),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name="exgaustersignaldescription",
+            unique_together={("place_x", "place_y", "type")},
+        ),
+    ]
--- a/exhauster_analytics/analytics/migrations/0004_remove_exgauster_installed.py
+++ b/exhauster_analytics/analytics/migrations/0004_remove_exgauster_installed.py
@ -0,0 +1,16 @@
+# Generated by Django 4.1.7 on 2023-02-17 10:17
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("analytics", "0003_alter_exgaustersignaldescription_unique_together"),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="exgauster",
+            name="installed",
+        ),
+    ]
--- a/exhauster_analytics/analytics/migrations/0005_rename_exgauster_exgaustersignal_exgauster_and_more.py
+++ b/exhauster_analytics/analytics/migrations/0005_rename_exgauster_exgaustersignal_exgauster_and_more.py
@ -0,0 +1,60 @@
+# Generated by Django 4.1.7 on 2023-02-17 10:31
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("analytics", "0004_remove_exgauster_installed"),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name="exgaustersignal",
+            old_name="Exgauster",
+            new_name="exgauster",
+        ),
+        migrations.AddField(
+            model_name="exgaustersignal",
+            name="active",
+            field=models.BooleanField(default=True),
+        ),
+        migrations.AddField(
+            model_name="exgaustersignal",
+            name="comment",
+            field=models.CharField(blank=True, max_length=200),
+        ),
+        migrations.AddField(
+            model_name="exgaustersignal",
+            name="place_x",
+            field=models.IntegerField(default=1),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name="exgaustersignal",
+            name="place_y",
+            field=models.IntegerField(default=1),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name="exgaustersignal",
+            name="type",
+            field=models.CharField(
+                choices=[("analog", "ANALOG"), ("digital", "DIGITAL")],
+                default="analog",
+                max_length=7,
+            ),
+            preserve_default=False,
+        ),
+        migrations.AlterUniqueTogether(
+            name="exgaustersignal",
+            unique_together={("place_x", "place_y", "type")},
+        ),
+        migrations.RemoveField(
+            model_name="exgaustersignal",
+            name="signal",
+        ),
+        migrations.DeleteModel(
+            name="ExgausterSignalDescription",
+        ),
+    ]
--- a/exhauster_analytics/analytics/migrations/0006_alter_exgaustersignal_characteristics_and_more.py
+++ b/exhauster_analytics/analytics/migrations/0006_alter_exgaustersignal_characteristics_and_more.py
@ -0,0 +1,32 @@
+# Generated by Django 4.1.7 on 2023-02-17 11:30
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("analytics", "0005_rename_exgauster_exgaustersignal_exgauster_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="exgaustersignal",
+            name="characteristics",
+            field=models.CharField(blank=True, max_length=200),
+        ),
+        migrations.AlterField(
+            model_name="exgaustersignal",
+            name="characteristics_description",
+            field=models.CharField(blank=True, max_length=200),
+        ),
+        migrations.AlterField(
+            model_name="exgaustersignal",
+            name="item",
+            field=models.CharField(blank=True, max_length=200),
+        ),
+        migrations.AlterField(
+            model_name="exgaustersignal",
+            name="item_name",
+            field=models.CharField(blank=True, max_length=200),
+        ),
+    ]
--- a/exhauster_analytics/analytics/migrations/0007_recordapproximation_and_more.py
+++ b/exhauster_analytics/analytics/migrations/0007_recordapproximation_and_more.py
@ -0,0 +1,73 @@
+# Generated by Django 4.1.7 on 2023-02-17 15:05
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("analytics", "0006_alter_exgaustersignal_characteristics_and_more"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="RecordApproximation",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                (
+                    "amount",
+                    models.IntegerField(
+                        choices=[
+                            (10, "Ten Minutes"),
+                            (30, "Thirty Minutes"),
+                            (60, "Hour"),
+                        ]
+                    ),
+                ),
+                ("timestamp", models.DateTimeField()),
+                ("offset", models.IntegerField()),
+            ],
+            options={
+                "unique_together": {("amount", "offset")},
+            },
+        ),
+        migrations.CreateModel(
+            name="ExgausterRecordApproximationSignal",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("value", models.FloatField()),
+                (
+                    "record",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="signals_approximate",
+                        to="analytics.record",
+                    ),
+                ),
+                (
+                    "signal",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="records_approximate",
+                        to="analytics.exgaustersignal",
+                    ),
+                ),
+            ],
+        ),
+    ]
--- a/exhauster_analytics/analytics/migrations/0008_alter_exgausterrecordapproximationsignal_record.py
+++ b/exhauster_analytics/analytics/migrations/0008_alter_exgausterrecordapproximationsignal_record.py
@ -0,0 +1,22 @@
+# Generated by Django 4.1.7 on 2023-02-18 16:42
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("analytics", "0007_recordapproximation_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="exgausterrecordapproximationsignal",
+            name="record",
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.CASCADE,
+                related_name="signals_approximate",
+                to="analytics.recordapproximation",
+            ),
+        ),
+    ]
--- a/exhauster_analytics/analytics/migrations/0009_alter_record_options_and_more.py
+++ b/exhauster_analytics/analytics/migrations/0009_alter_record_options_and_more.py
@ -0,0 +1,26 @@
+# Generated by Django 4.1.7 on 2023-02-18 16:49
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("analytics", "0008_alter_exgausterrecordapproximationsignal_record"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="record",
+            options={"ordering": ["offset"]},
+        ),
+        migrations.AlterField(
+            model_name="exgausterrecordapproximationsignal",
+            name="record",
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.CASCADE,
+                related_name="signals",
+                to="analytics.recordapproximation",
+            ),
+        ),
+    ]
--- a/exhauster_analytics/analytics/migrations/init.py
+++ b/exhauster_analytics/analytics/migrations/init.py
--- a/exhauster_analytics/analytics/models.py
+++ b/exhauster_analytics/analytics/models.py
@ -0,0 +1,89 @@
+from django.db import models
+
+
+class Record(models.Model):
+    received = models.DateTimeField(auto_now_add=True)
+    timestamp = models.DateTimeField(blank=False)
+
+    offset = models.IntegerField(unique=True)
+
+    # store message for further usage, e. g. reading logs, etc
+    message = models.JSONField(null=True)
+
+    class Meta:
+        ordering = ["offset"]
+
+
+class RecordApproximation(models.Model):
+    class AmountChoices(models.IntegerChoices):
+        ten_minutes = 10
+        thirty_minutes = 30
+        hour = 60
+
+    amount = models.IntegerField(choices=AmountChoices.choices)
+    timestamp = models.DateTimeField(blank=False)
+    offset = models.IntegerField()
+
+    class Meta:
+        unique_together = ["amount", "offset"]
+
+
+class ExgausterRecordSignal(models.Model):
+    record = models.ForeignKey(
+        "analytics.Record", related_name="signals", on_delete=models.CASCADE
+    )
+    signal = models.ForeignKey(
+        "analytics.ExgausterSignal", related_name="records", on_delete=models.CASCADE
+    )
+    value = models.FloatField()
+
+
+class ExgausterRecordApproximationSignal(models.Model):
+    record = models.ForeignKey(
+        "analytics.RecordApproximation", related_name="signals", on_delete=models.CASCADE
+    )
+    signal = models.ForeignKey(
+        "analytics.ExgausterSignal",
+        related_name="records_approximate",
+        on_delete=models.CASCADE,
+    )
+    value = models.FloatField()
+
+
+class Exgauster(models.Model):
+    number = models.IntegerField(unique=True)
+    name = models.CharField(max_length=20)
+
+
+class ExgausterSignal(models.Model):
+    class ExgausterSignalType(models.TextChoices):
+        ANALOG = "analog", "ANALOG"
+        DIGITAL = "digital", "DIGITAL"
+
+    exgauster = models.ForeignKey(
+        "analytics.Exgauster", related_name="signals", on_delete=models.CASCADE
+    )
+
+    # store place in x:y way
+    place_x = models.IntegerField()
+    place_y = models.IntegerField()
+
+    type = models.CharField(
+        choices=ExgausterSignalType.choices,
+        max_length=7,
+    )
+    comment = models.CharField(max_length=200, blank=True)
+    active = models.BooleanField(default=True)
+
+    # Подшипник1 - Температура нагрева - Температура - temperature
+    item = models.CharField(max_length=200, blank=True)
+    characteristics = models.CharField(max_length=200, blank=True)
+    characteristics_description = models.CharField(max_length=200, blank=True)
+    item_name = models.CharField(max_length=200, blank=True)
+
+    @property
+    def name(self) -> str:
+        return f"SM_Exgauster\\[{self.place_x}{':' if self.type == 'analog' else '.'}{self.place_y}]"
+
+    class Meta:
+        unique_together = ["place_x", "place_y", "type"]
--- a/exhauster_analytics/analytics/routing.py
+++ b/exhauster_analytics/analytics/routing.py
@ -0,0 +1,7 @@
+from . import consumers
+from django.urls import path
+
+websocket_urlpatterns = [
+    path("", consumers.NotificationsConsumer.as_asgi()),
+    path("<int:approximation>", consumers.NotificationsApproximateConsumer.as_asgi()),
+]
--- a/exhauster_analytics/analytics/services.py
+++ b/exhauster_analytics/analytics/services.py
@ -0,0 +1,147 @@
+import pandas
+from rest_framework.exceptions import NotFound
+
+from exhauster_analytics.analytics.models import (
+    ExgausterSignal,
+    Record,
+    RecordApproximation,
+    ExgausterRecordSignal, ExgausterRecordApproximationSignal,
+)
+
+
+def get_signal_values(signals, approximation=None, time_from=None, time_until=None):
+    exhauster_signals = []
+    signals_by_id = {}
+    for signal in signals:
+        try:
+            if "." in signals:
+                x, y = map(
+                    int, signal[signal.find("[") + 1 : signal.find("]")].split(".")
+                )
+                type = "digital"
+            else:
+                x, y = map(
+                    int, signal[signal.find("[") + 1 : signal.find("]")].split(":")
+                )
+                type = "analog"
+            signal_obj = ExgausterSignal.objects.get(place_x=x, place_y=y, type=type)
+            signals_by_id[signal_obj.id] = signal
+        except (ExgausterSignal.DoesNotExist, ValueError):
+            raise NotFound("signal not found")
+        exhauster_signals.append(signal_obj)
+
+    if not approximation or approximation == 1:
+        if time_from:
+            if time_until:
+                records = Record.objects.filter(
+                    timestamp__gte=time_from, timestamp__lte=time_until
+                )
+            else:
+                records = Record.objects.filter(timestamp__gte=time_from)
+        else:
+            if time_until:
+                records = Record.objects.filter(timestamp__lte=time_until)
+            else:
+                records = Record.objects.all()
+        vals = ExgausterRecordSignal.objects.filter(
+            record__in=records, signal__in=exhauster_signals
+        ).values_list("signal", "value")
+    else:
+        if time_from:
+            if time_until:
+                records = RecordApproximation.objects.filter(
+                    timestamp__gte=time_from,
+                    timestamp__lte=time_until,
+                    amount=approximation,
+                )
+            else:
+                records = RecordApproximation.objects.filter(
+                    timestamp__gte=time_from, amount=approximation
+                )
+        else:
+            if time_until:
+                records = RecordApproximation.objects.filter(
+                    timestamp__lte=time_until, amount=approximation
+                )
+            else:
+                records = RecordApproximation.objects.filter(amount=approximation)
+        vals = ExgausterRecordApproximationSignal.objects.filter(
+            record__in=records, signal__in=exhauster_signals
+        ).values_list("signal_id", "value")
+    d = {}
+    for x, y in vals:
+        d.setdefault(signals_by_id[x], []).append(y)
+    return d
+
+
+# function to parse signal mapping from xlsx file
+def f(ex, num):
+    df = pandas.read_excel(
+        "Маппинг сигналов.xlsx", sheet_name=num, nrows=105, index_col=[4]
+    )
+    df = df.fillna(method="ffill")
+    for index, row in df.iterrows():
+        row = row.values.tolist()
+        s = index
+        if "." in s:
+            x, y = map(int, s[s.find("[") + 1 : s.find("]")].split("."))
+        else:
+            x, y = map(int, s[s.find("[") + 1 : s.find("]")].split(":"))
+        ExgausterSignal.objects.create(
+            exgauster=ex,
+            place_x=x,
+            place_y=y,
+            type=row[5],
+            comment=row[4],
+            active=bool(row[6]),
+            item=row[0],
+            characteristics=row[1],
+            characteristics_description=row[2],
+            item_name=row[3],
+        )
+
+    df = pandas.read_excel(
+        "Маппинг сигналов.xlsx", sheet_name=num, skiprows=105, nrows=4, index_col=[4]
+    )
+    df = df.fillna(method="ffill")
+    for index, row in df.iterrows():
+        row = row.values.tolist()
+        s = index
+        if "." in s:
+            x, y = map(int, s[s.find("[") + 1 : s.find("]")].split("."))
+        else:
+            x, y = map(int, s[s.find("[") + 1 : s.find("]")].split(":"))
+        ExgausterSignal.objects.create(
+            exgauster=ex,
+            place_x=x,
+            place_y=y,
+            type=row[5],
+            comment=row[4],
+            active=bool(row[6]),
+            item=row[0],
+            characteristics=row[1],
+            characteristics_description=row[2],
+            item_name=row[3],
+        )
+
+    df = pandas.read_excel(
+        "Маппинг сигналов.xlsx", sheet_name=num, skiprows=109, index_col=[4]
+    )
+    df = df.fillna(method="ffill")
+    for index, row in df.iterrows():
+        row = row.values.tolist()
+        s = index
+        if "." in s:
+            x, y = map(int, s[s.find("[") + 1 : s.find("]")].split("."))
+        else:
+            x, y = map(int, s[s.find("[") + 1 : s.find("]")].split(":"))
+        ExgausterSignal.objects.create(
+            exgauster=ex,
+            place_x=x,
+            place_y=y,
+            type=row[5],
+            comment=row[4],
+            active=bool(row[6]),
+            item=row[0],
+            item_name=row[3],
+        )
--- a/exhauster_analytics/analytics/tasks.py
+++ b/exhauster_analytics/analytics/tasks.py
--- a/exhauster_analytics/analytics/tests.py
+++ b/exhauster_analytics/analytics/tests.py
@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.
--- a/exhauster_analytics/common/init.py
+++ b/exhauster_analytics/common/init.py
--- a/exhauster_analytics/common/api.py
+++ b/exhauster_analytics/common/api.py
@ -0,0 +1,19 @@
+from rest_framework.pagination import PageNumberPagination
+
+
+class SmallResultsSetPagination(PageNumberPagination):
+    page_size = 10
+    page_size_query_param = "page_size"
+    max_page_size = 100
+
+
+class StandardResultsSetPagination(PageNumberPagination):
+    page_size = 50
+    page_size_query_param = "page_size"
+    max_page_size = 200
+
+
+class BigResultsSetPagination(PageNumberPagination):
+    page_size = 100
+    page_size_query_param = "page_size"
+    max_page_size = 1000
--- a/exhauster_analytics/common/tasks.py
+++ b/exhauster_analytics/common/tasks.py
@ -0,0 +1,18 @@
+from celery import shared_task
+from django.apps import apps
+from django.core.files import File
+
+from exhauster_analytics.utils.files import crop_image
+
+
+@shared_task()
+def crop_model_image(pk: int, app_label: str, model_name: str):
+    model = apps.get_model(app_label=app_label, model_name=model_name)
+    instance = model.objects.get(pk=pk)
+    instance.image_cropped.save(
+        instance.image.path.split(".")[0].split("/")[-1] + ".png",
+        File(crop_image(instance.image.path, length=250)),
+        save=False,
+    )
+    instance.save(update_fields=["image_cropped"])
+    return pk
--- a/exhauster_analytics/conftest.py
+++ b/exhauster_analytics/conftest.py
@ -0,0 +1,14 @@
+import pytest
+
+from exhauster_analytics.users.models import User
+from exhauster_analytics.users.tests.factories import UserFactory
+
+
+@pytest.fixture(autouse=True)
+def media_storage(settings, tmpdir):
+    settings.MEDIA_ROOT = tmpdir.strpath
+
+
+@pytest.fixture
+def user(db) -> User:
+    return UserFactory()
--- a/exhauster_analytics/contrib/init.py
+++ b/exhauster_analytics/contrib/init.py
--- a/exhauster_analytics/contrib/sites/init.py
+++ b/exhauster_analytics/contrib/sites/init.py
--- a/exhauster_analytics/contrib/sites/migrations/0001_initial.py
+++ b/exhauster_analytics/contrib/sites/migrations/0001_initial.py
@ -0,0 +1,42 @@
+import django.contrib.sites.models
+from django.contrib.sites.models import _simple_domain_name_validator
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = []
+
+    operations = [
+        migrations.CreateModel(
+            name="Site",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        verbose_name="ID",
+                        serialize=False,
+                        auto_created=True,
+                        primary_key=True,
+                    ),
+                ),
+                (
+                    "domain",
+                    models.CharField(
+                        max_length=100,
+                        verbose_name="domain name",
+                        validators=[_simple_domain_name_validator],
+                    ),
+                ),
+                ("name", models.CharField(max_length=50, verbose_name="display name")),
+            ],
+            options={
+                "ordering": ("domain",),
+                "db_table": "django_site",
+                "verbose_name": "site",
+                "verbose_name_plural": "sites",
+            },
+            bases=(models.Model,),
+            managers=[("objects", django.contrib.sites.models.SiteManager())],
+        )
+    ]
--- a/exhauster_analytics/contrib/sites/migrations/0002_alter_domain_unique.py
+++ b/exhauster_analytics/contrib/sites/migrations/0002_alter_domain_unique.py
@ -0,0 +1,20 @@
+import django.contrib.sites.models
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [("sites", "0001_initial")]
+
+    operations = [
+        migrations.AlterField(
+            model_name="site",
+            name="domain",
+            field=models.CharField(
+                max_length=100,
+                unique=True,
+                validators=[django.contrib.sites.models._simple_domain_name_validator],
+                verbose_name="domain name",
+            ),
+        )
+    ]
--- a/exhauster_analytics/contrib/sites/migrations/0003_set_site_domain_and_name.py
+++ b/exhauster_analytics/contrib/sites/migrations/0003_set_site_domain_and_name.py
@ -0,0 +1,63 @@
+"""
+To understand why this file is here, please read:
+
+http://cookiecutter-django.readthedocs.io/en/latest/faq.html#why-is-there-a-django-contrib-sites-directory-in-cookiecutter-django
+"""
+from django.conf import settings
+from django.db import migrations
+
+
+def _update_or_create_site_with_sequence(site_model, connection, domain, name):
+    """Update or create the site with default ID and keep the DB sequence in sync."""
+    site, created = site_model.objects.update_or_create(
+        id=settings.SITE_ID,
+        defaults={
+            "domain": domain,
+            "name": name,
+        },
+    )
+    if created:
+        # We provided the ID explicitly when creating the Site entry, therefore the DB
+        # sequence to auto-generate them wasn't used and is now out of sync. If we
+        # don't do anything, we'll get a unique constraint violation the next time a
+        # site is created.
+        # To avoid this, we need to manually update DB sequence and make sure it's
+        # greater than the maximum value.
+        max_id = site_model.objects.order_by('-id').first().id
+        with connection.cursor() as cursor:
+            cursor.execute("SELECT last_value from django_site_id_seq")
+            (current_id,) = cursor.fetchone()
+            if current_id <= max_id:
+                cursor.execute(
+                    "alter sequence django_site_id_seq restart with %s",
+                    [max_id + 1],
+                )
+
+
+def update_site_forward(apps, schema_editor):
+    """Set site domain and name."""
+    Site = apps.get_model("sites", "Site")
+    _update_or_create_site_with_sequence(
+        Site,
+        schema_editor.connection,
+        "akarpov.ru",
+        "Face processor",
+    )
+
+
+def update_site_backward(apps, schema_editor):
+    """Revert site domain and name to default."""
+    Site = apps.get_model("sites", "Site")
+    _update_or_create_site_with_sequence(
+        Site,
+        schema_editor.connection,
+        "example.com",
+        "example.com",
+    )
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [("sites", "0002_alter_domain_unique")]
+
+    operations = [migrations.RunPython(update_site_forward, update_site_backward)]
--- a/exhauster_analytics/contrib/sites/migrations/0004_alter_options_ordering_domain.py
+++ b/exhauster_analytics/contrib/sites/migrations/0004_alter_options_ordering_domain.py
@ -0,0 +1,21 @@
+# Generated by Django 3.1.7 on 2021-02-04 14:49
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("sites", "0003_set_site_domain_and_name"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="site",
+            options={
+                "ordering": ["domain"],
+                "verbose_name": "site",
+                "verbose_name_plural": "sites",
+            },
+        ),
+    ]
--- a/exhauster_analytics/contrib/sites/migrations/init.py
+++ b/exhauster_analytics/contrib/sites/migrations/init.py
--- a/exhauster_analytics/static/.gitkeep
+++ b/exhauster_analytics/static/.gitkeep
--- a/exhauster_analytics/users/init.py
+++ b/exhauster_analytics/users/init.py
--- a/exhauster_analytics/users/admin.py
+++ b/exhauster_analytics/users/admin.py
--- a/exhauster_analytics/users/api/serializers.py
+++ b/exhauster_analytics/users/api/serializers.py
@ -0,0 +1,14 @@
+from django.contrib.auth import get_user_model
+from rest_framework import serializers
+
+User = get_user_model()
+
+
+class UserSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = User
+        fields = ["username", "name", "url"]
+
+        extra_kwargs = {
+            "url": {"view_name": "api:user-detail", "lookup_field": "username"}
+        }
--- a/exhauster_analytics/users/api/views.py
+++ b/exhauster_analytics/users/api/views.py
@ -0,0 +1,25 @@
+from django.contrib.auth import get_user_model
+from rest_framework import status
+from rest_framework.decorators import action
+from rest_framework.mixins import ListModelMixin, RetrieveModelMixin, UpdateModelMixin
+from rest_framework.response import Response
+from rest_framework.viewsets import GenericViewSet
+
+from .serializers import UserSerializer
+
+User = get_user_model()
+
+
+class UserViewSet(RetrieveModelMixin, ListModelMixin, UpdateModelMixin, GenericViewSet):
+    serializer_class = UserSerializer
+    queryset = User.objects.all()
+    lookup_field = "username"
+
+    def get_queryset(self, *args, **kwargs):
+        assert isinstance(self.request.user.id, int)
+        return self.queryset.filter(id=self.request.user.id)
+
+    @action(detail=False)
+    def me(self, request):
+        serializer = UserSerializer(request.user, context={"request": request})
+        return Response(status=status.HTTP_200_OK, data=serializer.data)
--- a/exhauster_analytics/users/apps.py
+++ b/exhauster_analytics/users/apps.py
@ -0,0 +1,13 @@
+from django.apps import AppConfig
+from django.utils.translation import gettext_lazy as _
+
+
+class UsersConfig(AppConfig):
+    name = "exhauster_analytics.users"
+    verbose_name = _("Users")
+
+    def ready(self):
+        try:
+            import exhauster_analytics.users.signals  # noqa F401
+        except ImportError:
+            pass
--- a/Show More
+++ b/Show More