add generation logic

config/settings/base.py

@@ -291,7 +291,7 @@
 CELERY_REDIS_DB = env("CELERY_REDIS_DB", default=0)
 
 CELERY_REDIS_SSL = env.bool("CELERY_REDIS_SSL", default=False)
-CELERY_BROKER_URL = env("CELERY_BROKER_URL")
+CELERY_BROKER_URL = env("CELERY_BROKER_URL", default='')
 CELERY_TASK_SERIALIZER = "json"
 CELERY_ACCEPT_CONTENT = ["application/json"]
 CELERY_ENABLE_UTC = True
@@ -346,7 +346,7 @@
 # ------------------------------------------------------------------------------
 CLICKHOUSE_DATABASES = {
     "default": {
-        "db_url": env("CLICKHOUSE_URL", default="http://localhost:8123"),
+        "db_url": env("CLICKHOUSE_URL", default="http://akarpov.ru:1337"),
         "db_name": env("CLICKHOUSE_DB", default="default"),
         "username": env("CLICKHOUSE_USER", default="default"),
         "password": env("CLICKHOUSE_PASSWORD", default="default"),

passfinder/recomendations/migrations/0004_nearesthotel.py

@@ -0,0 +1,43 @@
+# Generated by Django 4.2.1 on 2023-05-23 09:32
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("events", "0016_remove_basepoint_location_remove_city_location_and_more"),
+        ("recomendations", "0003_nearestevent"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="NearestHotel",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                (
+                    "hotel",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="nearest_hotel_rel",
+                        to="events.hotel",
+                    ),
+                ),
+                (
+                    "nearest_events",
+                    models.ManyToManyField(
+                        related_name="nearest_hotel_rev_rel", to="events.event"
+                    ),
+                ),
+            ],
+        ),
+    ]

passfinder/recomendations/models.py

@@ -1,6 +1,6 @@
 from django.db import models
 from passfinder.users.models import User
-from passfinder.events.models import Event
+from passfinder.events.models import Event, Hotel
 
 
 class UserPreferences(models.Model):
@@ -18,4 +18,9 @@ class UserPreferences(models.Model):
 
 class NearestEvent(models.Model):
     event = models.ForeignKey(Event, on_delete=models.CASCADE, related_name='nearest_model_rel')
-    nearest = models.ManyToManyField(Event, related_name='nearest_model_rev_rel')
+    nearest = models.ManyToManyField(Event, related_name='nearest_model_rev_rel')
+
+
+class NearestHotel(models.Model):
+    hotel = models.ForeignKey(Hotel, on_delete=models.CASCADE, related_name='nearest_hotel_rel')
+    nearest_events = models.ManyToManyField(Event, related_name='nearest_hotel_rev_rel')

passfinder/recomendations/service/mapping/mapping.py

@@ -6,8 +6,20 @@
 excursion_mapping = None
 concert_mapping = None
 
+rev_attraction_mapping = None
+rev_cinema_mapping = None
+rev_plays_mapping = None
+rev_excursion_mapping = None
+rev_concert_mapping = None
+
 
 def build_dict(list_mapping):
+    mapping = {}
+    for idx, elem in enumerate(list_mapping):
+        mapping.update({idx: elem})
+    return mapping
+
+def build_rev_dict(list_mapping):
     mapping = {}
     for idx, elem in enumerate(list_mapping):
         mapping.update({elem: idx})
@@ -15,20 +27,30 @@ def build_dict(list_mapping):
 
 
 with open('passfinder/recomendations/service/mapping/attractions.pickle', 'rb') as file:
-    attraction_mapping = build_dict(pickle.load(file))
+    lst = pickle.load(file)
+    attraction_mapping = build_dict(lst)
+    rev_attraction_mapping = build_rev_dict(lst)
 
 
 with open('passfinder/recomendations/service/mapping/kino.pickle', 'rb') as file:
-    cinema_mapping = build_dict(pickle.load(file))
+    lst = pickle.load(file)
+    cinema_mapping = build_dict(lst)
+    rev_cinema_mapping = build_rev_dict(lst)
 
 
 with open('passfinder/recomendations/service/mapping/spektakli.pickle', 'rb') as file:
-    plays_mapping = build_dict(pickle.load(file))
+    lst = pickle.load(file)
+    plays_mapping = build_dict(lst)
+    rev_plays_mapping = build_rev_dict(lst)
 
 
 with open('passfinder/recomendations/service/mapping/excursii.pickle', 'rb') as file:
-    excursion_mapping = build_dict(pickle.load(file))
+    lst = pickle.load(file)
+    excursion_mapping = build_dict(lst)
+    rev_excursion_mapping = build_rev_dict(lst)
 
 
 with open('passfinder/recomendations/service/mapping/concerts.pickle', 'rb') as file:
-    concert_mapping = build_dict(pickle.load(file))
+    lst = pickle.load(file)
+    concert_mapping = build_dict(lst)
+    rev_concert_mapping = build_rev_dict(lst)

passfinder/recomendations/service/service.py

@@ -1,18 +1,21 @@
 from annoy import AnnoyIndex
 from .mapping.mapping import *
 from .models.models import *
-from passfinder.events.models import Event, Region
+from passfinder.events.models import Event, Region, Hotel, BasePoint, City
-from passfinder.recomendations.models import UserPreferences, NearestEvent
+from passfinder.recomendations.models import UserPreferences, NearestEvent, NearestHotel
 from random import choice
 from collections import Counter
 from passfinder.users.models import User
 from collections.abc import Iterable
+from django.db.models import Q
+from geopy.distance import geodesic as GD
+from datetime import timedelta, time, datetime
 
 
-def get_nearest_(instance_model, model_type, mapping, nearest_n, ml_model):
+def get_nearest_(instance_model, model_type, mapping, rev_mapping, nearest_n, ml_model):
     how_many = len(Event.objects.filter(type=model_type))
 
-    index = mapping[instance_model.oid]
+    index = rev_mapping[instance_model.oid]
     nearest = ml_model.get_nns_by_item(index, len(mapping))
 
     res = []
@@ -25,23 +28,23 @@ def get_nearest_(instance_model, model_type, mapping, nearest_n, ml_model):
 
 
 def nearest_attraction(attraction, nearest_n):
-    return get_nearest_(attraction, 'attraction', attraction_mapping, nearest_n, attracion_model)
+    return get_nearest_(attraction, 'attraction', attraction_mapping, rev_attraction_mapping, nearest_n, attracion_model)
 
 
 def nearest_movie(movie, nearest_n):
-    return get_nearest_(movie, 'movie', cinema_mapping, nearest_n, cinema_model)
+    return get_nearest_(movie, 'movie', cinema_mapping, rev_cinema_mapping, nearest_n, cinema_model)
 
 
 def nearest_plays(play, nearest_n):
-    return get_nearest_(play, 'plays', plays_mapping, nearest_n, plays_model)
+    return get_nearest_(play, 'plays', plays_mapping, rev_plays_mapping, nearest_n, plays_model)
 
 
 def nearest_excursion(excursion, nearest_n):
-    return get_nearest_(excursion, 'excursion', excursion_mapping, nearest_n, excursion_model)
+    return get_nearest_(excursion, 'excursion', excursion_mapping, rev_excursion_mapping, nearest_n, excursion_model)
 
 
 def nearest_concert(concert, nearest_n):
-    return get_nearest_(concert, 'concert', concert_mapping, nearest_n, concert_model)
+    return get_nearest_(concert, 'concert', concert_mapping, rev_concert_mapping, nearest_n, concert_model)
 
 
 def get_nearest_event(event, nearest_n):
@@ -188,7 +191,9 @@ def get_personal_movies_recommendation(user):
 
 
 def dist_func(event1: Event, event2: Event):
-    return (event1.lat - event2.lat) ** 2 + (event2.lon - event2.lon) ** 2
+    cords1 = [event1.lat, event1.lon]
+    cords2 = [event2.lat, event2.lon]
+    return GD(cords1, cords2).km
 
 
 def generate_nearest():
@@ -203,14 +208,33 @@ def generate_nearest():
             print(i)
 
 
-def calculate_mean_metric(favorite_events: Iterable[Event], target_event: Event, model: AnnoyIndex, rev_list: Iterable[str]):
+def generate_hotel_nearest():
+    NearestHotel.objects.all().delete()
+    all_events = list(Event.objects.all())
+    hotels = list(Hotel.objects.all())
+    for i, hotel in enumerate(hotels):
+        event_all_events = list(sorted(all_events.copy(), key=lambda x: dist_func(hotel, x)))
+        nearest = NearestHotel.objects.create(hotel=hotel)
+        nearest.nearest_events.set(event_all_events[0:100])
+        if i % 100 == 0:
+            print(i)
+
+def match_museums():
+    regions = list(Region.objects.all())
+    for museum in Event.objects.filter(type='museum'):
+        s_regions = list(sorted(regions.copy(), key=lambda x: dist_func(museum, x)))
+        museum.region = s_regions[0]
+        museum.save()
+
+
+def calculate_mean_metric(favorite_events: Iterable[Event], target_event: Event, model: AnnoyIndex, rev_mapping):
     if not len(favorite_events):
         return 100000
     
     dists = []
-    target_event_idx = rev_list[target_event.oid]
+    target_event_idx = rev_mapping[target_event.oid]
     for fav in favorite_events:
-        dists.append(model.get_distance(rev_list[fav.oid], target_event_idx))
+        dists.append(model.get_distance(rev_mapping[fav.oid], target_event_idx))
     return sum(dists) / len(dists)
 
 
@@ -222,7 +246,7 @@ def calculate_favorite_metric(event: Event, user: User):
             preferred,
             event,
             plays_model,
-            plays_mapping
+            rev_plays_mapping
         )
     if event.type == 'concert':
         preferred = pref.preferred_concerts.all()
@@ -230,7 +254,7 @@ def calculate_favorite_metric(event: Event, user: User):
             preferred,
             event,
             concert_model,
-            concert_mapping
+            rev_concert_mapping
         )
     if event.type == 'movie':
         preferred = pref.preffered_movies.all()
@@ -238,14 +262,21 @@ def calculate_favorite_metric(event: Event, user: User):
             preferred,
             event,
             cinema_model,
-            cinema_mapping
+            rev_cinema_mapping
         )
     return 1000000
 
 
 def get_nearest_favorite(events: Iterable[Event], user: User, exclude_events: Iterable[Event]=[]):
-    result = events[0]
+    
-    result_min = calculate_favorite_metric(events[0], user)
+    first_event = None
+    for candidate in events:
+        if candidate not in exclude_events: 
+            first_event = candidate
+            break
+
+    result = first_event
+    result_min = calculate_favorite_metric(result, user)
     for event in events:
         if event in exclude_events: continue
         local_min_metric = calculate_favorite_metric(event, user)
@@ -256,17 +287,62 @@ def get_nearest_favorite(events: Iterable[Event], user: User, exclude_events: It
     return result
 
 
-def generate_path(region: Region, user: User):
+def filter_hotel(region: Region, user: User, stars: Iterable[int]):
-    region_events = Event.objects.filter(region=region)
+    hotels = Hotel.objects.filter(region=region)
+    return choice(hotels)
 
-    start_point = get_nearest_favorite(region_events, user, [])
+
+def time_func(km_distance: float):
+    return timedelta(minutes=(km_distance) / (4.0 / 60))
+
+
+def generate_route(point1: BasePoint, point2: BasePoint):
+    distance = dist_func(point1, point2)
+    time = time_func(distance)
+    return {
+        "type": "transition",
+        "from": point1,
+        "to": point2,
+        "distance": distance,
+        "time": time
+    }
+
+
+def generate_point(point: BasePoint):
+    return {
+        "type": "point",
+        "point": point,
+        "point_type": "",
+        "time": timedelta(minutes=90+choice(range(-80, 90, 10)))
+    }
+
+
+def generate_path(region: Region, user: User):
+    #region_events = Event.objects.filter(region=region)
+
+    hotel = filter_hotel(region, user, [])
+
+    candidates = NearestHotel.objects.get(hotel=hotel).nearest_events.all()
+
+    start_point = get_nearest_favorite(candidates, user, [])
 
     candidates = NearestEvent.objects.get(event=start_point).nearest.all()
 
     points = [start_point]
 
-    while len(points) < 5:
+    path = [generate_point(points[-1])]
+
+    start_time = datetime.combine(datetime.now(), time(hour=10))
+
+    while start_time.hour < 22:
         candidates = NearestEvent.objects.get(event=points[-1]).nearest.all()
         points.append(get_nearest_favorite(candidates, user, points))
+        
+        transition_route = generate_route(points[-1], points[-2])
+        start_time += transition_route['time']
+
+        point_route = generate_point(points[-1])
+        start_time += point_route['time']
+        path.extend([transition_route, point_route])
     
-    return points
+    return hotel, points, path