added attractions info, route save, user favorites

config/api_router.py

@@ -1,7 +1,11 @@
 from django.urls import path, include
 from rest_framework.routers import DefaultRouter
 from passfinder.recomendations.api.views import TinderView, PersonalRecommendation
-from passfinder.users.api.views import UserViewSet, CreateUserPreferenceApiView
+from passfinder.users.api.views import (
+    UserViewSet,
+    CreateUserPreferenceApiView,
+    ListUserFavoritePointsApiView,
+)
 
 router = DefaultRouter()
 
@@ -14,5 +18,6 @@
     path("", include("passfinder.events.api.urls")),
     path("auth/", include("passfinder.users.api.urls")),
     path("user/preference", CreateUserPreferenceApiView.as_view()),
+    path("user/favorite", ListUserFavoritePointsApiView.as_view()),
 ]
 urlpatterns += router.urls

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", default='')
+CELERY_BROKER_URL = env("CELERY_BROKER_URL", default="")
 CELERY_TASK_SERIALIZER = "json"
 CELERY_ACCEPT_CONTENT = ["application/json"]
 CELERY_ENABLE_UTC = True
@@ -301,7 +301,6 @@
         "task": "django_clickhouse.tasks.clickhouse_auto_sync",
         "schedule": timedelta(seconds=5),
         "options": {"expires": 1},
-
     },
 }
 # DRF
@@ -346,7 +345,7 @@
 # ------------------------------------------------------------------------------
 CLICKHOUSE_DATABASES = {
     "default": {
-        "db_url": env("CLICKHOUSE_URL", default="http://akarpov.ru:1337"),
+        "db_url": env("CLICKHOUSE_URL", default="http://localhost:8123"),
         "db_name": env("CLICKHOUSE_DB", default="default"),
         "username": env("CLICKHOUSE_USER", default="default"),
         "password": env("CLICKHOUSE_PASSWORD", default="default"),

parsers/attractions.py

@@ -1,11 +1,12 @@
 import json
 from pprint import pprint
 
-from passfinder.events.models import Region
+from passfinder.events.models import Region, Event
 
 with open("data/pos-attr.json") as f:
     data = json.load(f)
 
+
 reggg = {
     "г. Санкт-Петербург": "Санкт-Петербург",
     "г. Москва": "Москва",
@@ -16,7 +17,7 @@
     "Республика Северная Осетия - Алания": "Республика Северная Осетия – Алания",
     "Ханты-Мансийский автономный округ - Югра": "Ханты-Мансийский автономный округ — Югра",
 }
-
+rett = []
 ret = []
 for infff in data:
     info = infff["general"]
@@ -38,6 +39,21 @@
         }
         if "typologies" in info:
             res["extra_kwargs"]["typologies"] = [x["value"] for x in info["typologies"]]
+        if "securityInfo" in info or "borderInfo" in info:
+            for ev in Event.objects.filter(
+                title=info["name"],
+                address=res["address"],
+                lat=res["lat"],
+                lon=res["lon"],
+            ):
+                ddd = [
+                    info["securityInfo"] if "securityInfo" in info else "",
+                    info["borderInfo"] if "borderInfo" in info else "",
+                ]
+                ddd = [x for x in ddd if x]
+                ev.description = " ".join(ddd)
+                ev.save()
+
         ret.append(res)
 
 

passfinder/events/api/serializers.py

@@ -10,11 +10,6 @@ class Meta:
         exclude = "hotel"
 
 
-class CitySerializer(serializers.ModelSerializer):
-    class Meta:
-        model = City
-
-
 class HotelSerializer(serializers.ModelSerializer):
     phones = HotelPhoneSerializer(many=True)
     source = serializers.CharField(source="parser_source")
@@ -41,11 +36,12 @@ class Meta:
 class PointSerializer(serializers.ModelSerializer):
     class Meta:
         model = BasePoint
-        fields = ["title", "description", "location", "icon"]
+        fields = ["oid", "title", "description", "location", "icon"]
 
 
 class RouteSerializer(serializers.Serializer):
     name = serializers.CharField()
+    date = serializers.DateField(allow_null=True)
     description = serializers.CharField()
     points = serializers.ListSerializer(child=PointSerializer())
 
@@ -54,11 +50,59 @@ class RouteInputSerializer(serializers.Serializer):
     date_from = serializers.DateField(required=False, allow_null=True)
     date_to = serializers.DateField(required=False, allow_null=True)
     region = serializers.CharField(
-        min_length=24, max_length=24, required=False, allow_blank=True
+        min_length=24, max_length=24, required=False, allow_blank=True, allow_null=True
     )
 
 
+class CitySerializer(serializers.ModelSerializer):
+    class Meta:
+        model = City
+        fields = ["oid", "title"]
+
+
 class RegionSerializer(serializers.ModelSerializer):
+    cities = CitySerializer(many=True)
+
     class Meta:
         model = Region
-        fields = ["oid", "title", "description_short"]
+        fields = ["oid", "title", "description_short", "cities"]
+
+
+class InputRoutePointSerializer(serializers.Serializer):
+    type = serializers.ChoiceField(choices=["point", "transition"])
+    time = serializers.IntegerField(min_value=0, required=True)
+
+    # point
+    point = serializers.CharField(
+        min_length=24, max_length=24, required=False, allow_blank=True, allow_null=True
+    )
+
+    # transition
+    point_from = serializers.CharField(
+        min_length=24, max_length=24, required=False, allow_blank=True, allow_null=True
+    )
+    point_to = serializers.CharField(
+        min_length=24, max_length=24, required=False, allow_blank=True, allow_null=True
+    )
+    distance = serializers.FloatField(min_value=0, required=False, allow_null=True)
+
+    def validate(self, data):
+        if data["type"] == "point":
+            if "point" not in data or not data["point"]:
+                raise serializers.ValidationError("Point id is required")
+            get_object_or_404(BasePoint, oid=data["point"])
+        else:
+            if "point_to" not in data or not data["point_to"]:
+                raise serializers.ValidationError("Point to id is required")
+            get_object_or_404(BasePoint, oid=data["point_to"])
+            if "point_from" not in data or not data["point_from"]:
+                raise serializers.ValidationError("Point from id is required")
+            get_object_or_404(BasePoint, oid=data["point_from"])
+            if "distance" not in data or not data["distance"]:
+                raise serializers.ValidationError("Distance is required")
+
+        return data
+
+
+class InputRouteSerializer(serializers.Serializer):
+    points = serializers.ListSerializer(child=InputRoutePointSerializer())

passfinder/events/api/urls.py

@@ -1,10 +1,17 @@
 from django.urls import path
 
-from passfinder.events.api.views import BuildRouteApiView, ListRegionApiView
+from passfinder.events.api.views import (
+    BuildRouteApiView,
+    ListRegionApiView,
+    ListCityApiView,
+    SaveRouteSerializer,
+)
 
 app_name = "events"
 
 urlpatterns = [
     path("route/build", BuildRouteApiView.as_view(), name="build_route"),
-    path("regions", ListRegionApiView.as_view(), name="regions"),
+    path("route/save", SaveRouteSerializer.as_view(), name="save_route"),
+    path("data/regions", ListRegionApiView.as_view(), name="regions"),
+    path("data/cities", ListCityApiView.as_view(), name="cities"),
 ]

passfinder/events/api/views.py

@@ -7,8 +7,17 @@
     RouteSerializer,
     RegionSerializer,
     RouteInputSerializer,
+    CitySerializer,
+    InputRouteSerializer,
+)
+from passfinder.events.models import (
+    BasePoint,
+    Region,
+    City,
+    UserRoute,
+    UserRoutePoint,
+    UserRouteTransaction,
 )
-from passfinder.events.models import BasePoint, Region
 
 
 class BuildRouteApiView(GenericAPIView):
@@ -21,6 +30,7 @@ def get(self, request):
             routes.append(
                 {
                     "name": "bebra",
+                    "date": None,
                     "description": "bebra bebra bebra",
                     "points": PointSerializer(many=True).to_representation(
                         BasePoint.objects.order_by("?")[:10]
@@ -35,7 +45,8 @@ def get(self, request):
     def post(self, request):
         serializer = RouteInputSerializer(data=request.data)
         serializer.is_valid(raise_exception=True)
-        region = serializer.data["region"]
+        data = serializer.data
+        region = data["region"]
         routes = []
         if region:
             region = get_object_or_404(Region, oid=region)
@@ -43,6 +54,7 @@ def post(self, request):
                 routes.append(
                     {
                         "name": "bebra",
+                        "date": data["date_from"],
                         "description": "bebra bebra bebra",
                         "points": PointSerializer(many=True).to_representation(
                             region.points.all().order_by("?")[:10]
@@ -54,6 +66,7 @@ def post(self, request):
                 routes.append(
                     {
                         "name": "bebra",
+                        "date": data["date_from"],
                         "description": "bebra bebra bebra",
                         "points": PointSerializer(many=True).to_representation(
                             BasePoint.objects.order_by("?")[:10]
@@ -66,3 +79,31 @@ def post(self, request):
 class ListRegionApiView(ListAPIView):
     serializer_class = RegionSerializer
     queryset = Region.objects.all()
+
+
+class ListCityApiView(ListAPIView):
+    serializer_class = CitySerializer
+    queryset = City.objects.all().order_by("title")
+
+
+class SaveRouteSerializer(GenericAPIView):
+    serializer_class = InputRouteSerializer
+
+    def post(self, request, *args, **kwargs):
+        serializer = InputRouteSerializer(data=request.data)
+        serializer.is_valid(raise_exception=True)
+        data = serializer.data
+        route = UserRoute.objects.create(user=self.request.user)
+        for point in data["points"]:
+            if point["type"] == "point":
+                UserRoutePoint.objects.create(
+                    route=route, point=BasePoint.objects.get(oid=point["point"])
+                )
+            else:
+                UserRouteTransaction.objects.create(
+                    route=route,
+                    point_from=BasePoint.objects.get(oid=point["point_from"]),
+                    point_to=BasePoint.objects.get(oid=point["point_to"]),
+                )
+
+        return Response(data=data)

passfinder/events/migrations/0018_userroute_baseuserroutepoint_userroutetransaction_and_more.py

@@ -0,0 +1,142 @@
+# Generated by Django 4.2.1 on 2023-05-23 20:34
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("contenttypes", "0002_remove_content_type_name"),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ("events", "0017_event_address_event_extra_kwargs_and_more"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="UserRoute",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("created", models.DateTimeField(auto_now_add=True)),
+                (
+                    "user",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="routes",
+                        to=settings.AUTH_USER_MODEL,
+                    ),
+                ),
+            ],
+        ),
+        migrations.CreateModel(
+            name="BaseUserRoutePoint",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                (
+                    "polymorphic_ctype",
+                    models.ForeignKey(
+                        editable=False,
+                        null=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="polymorphic_%(app_label)s.%(class)s_set+",
+                        to="contenttypes.contenttype",
+                    ),
+                ),
+                (
+                    "route",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="points",
+                        to="events.userroute",
+                    ),
+                ),
+            ],
+            options={
+                "abstract": False,
+                "base_manager_name": "objects",
+            },
+        ),
+        migrations.CreateModel(
+            name="UserRouteTransaction",
+            fields=[
+                (
+                    "baseuserroutepoint_ptr",
+                    models.OneToOneField(
+                        auto_created=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        parent_link=True,
+                        primary_key=True,
+                        serialize=False,
+                        to="events.baseuserroutepoint",
+                    ),
+                ),
+                ("distance", models.FloatField()),
+                (
+                    "point_from",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="user_route_point_from",
+                        to="events.basepoint",
+                    ),
+                ),
+                (
+                    "point_to",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="user_route_point_to",
+                        to="events.basepoint",
+                    ),
+                ),
+            ],
+            options={
+                "abstract": False,
+                "base_manager_name": "objects",
+            },
+            bases=("events.baseuserroutepoint",),
+        ),
+        migrations.CreateModel(
+            name="UserRoutePoint",
+            fields=[
+                (
+                    "baseuserroutepoint_ptr",
+                    models.OneToOneField(
+                        auto_created=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        parent_link=True,
+                        primary_key=True,
+                        serialize=False,
+                        to="events.baseuserroutepoint",
+                    ),
+                ),
+                (
+                    "point",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="events.basepoint",
+                    ),
+                ),
+            ],
+            options={
+                "abstract": False,
+                "base_manager_name": "objects",
+            },
+            bases=("events.baseuserroutepoint",),
+        ),
+    ]

passfinder/events/models.py

@@ -175,3 +175,35 @@ class Restaurant(BasePoint):
     avg_time_visit = models.IntegerField(null=True)
     working_time = models.JSONField(null=True)
     phones = ArrayField(models.CharField(max_length=18), null=True)
+
+
+class UserRoute(models.Model):
+    user = models.ForeignKey(
+        "users.User", related_name="routes", on_delete=models.CASCADE
+    )
+    created = models.DateTimeField(auto_now_add=True)
+
+    def __str__(self):
+        return f"{self.user}'s route"
+
+
+class BaseUserRoutePoint(PolymorphicModel):
+    route = models.ForeignKey(
+        "UserRoute", related_name="points", on_delete=models.CASCADE
+    )
+
+
+class UserRoutePoint(BaseUserRoutePoint):
+    type = "point"
+    point = models.ForeignKey("BasePoint", on_delete=models.CASCADE)
+
+
+class UserRouteTransaction(BaseUserRoutePoint):
+    type = "transition"
+    point_from = models.ForeignKey(
+        "BasePoint", related_name="user_route_point_from", on_delete=models.CASCADE
+    )
+    point_to = models.ForeignKey(
+        "BasePoint", related_name="user_route_point_to", on_delete=models.CASCADE
+    )
+    distance = models.FloatField()

passfinder/recomendations/service/service.py

@@ -22,109 +22,146 @@ def get_nearest_(instance_model, model_type, mapping, rev_mapping, nearest_n, ml
     for i in range(how_many):
         try:
             res.append(Event.objects.get(oid=mapping[nearest[i]]))
-        except Event.DoesNotExist: ...
+        except Event.DoesNotExist:
-        if len(res) == nearest_n: break
+            ...
+        if len(res) == nearest_n:
+            break
     return res
 
 
 def nearest_attraction(attraction, nearest_n):
-    return get_nearest_(attraction, 'attraction', attraction_mapping, rev_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, rev_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, rev_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, rev_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, rev_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):
-    if event.type == 'plays':
+    if event.type == "plays":
         return nearest_plays(event, nearest_n)
-    if event.type == 'concert':
+    if event.type == "concert":
         return nearest_concert(event, nearest_n)
-    if event.type == 'movie':
+    if event.type == "movie":
         return nearest_movie(event, nearest_n)
 
 
 def update_preferences_state(user, event, direction):
     pref = UserPreferences.objects.get(user=user)
 
-    if direction == 'left':
+    if direction == "left":
-        if event.type == 'plays':
+        if event.type == "plays":
             pref.unpreffered_plays.add(event)
-        if event.type == 'movie':
+        if event.type == "movie":
             pref.unpreffered_movies.add(event)
-        if event.type == 'concert':
+        if event.type == "concert":
             pref.unpreferred_concerts.add(event)
     else:
-        if event.type == 'plays':
+        if event.type == "plays":
             pref.preffered_plays.add(event)
-        if event.type == 'movie':
+        if event.type == "movie":
             pref.preffered_movies.add(event)
-        if event.type == 'concert':
+        if event.type == "concert":
             pref.preferred_concerts.add(event)
     pref.save()
 
 
-
 def get_next_tinder(user, prev_event, prev_direction):
     pref = UserPreferences.objects.get(user=user)
     print(prev_event.type, len(pref.preferred_concerts.all()))
-    if prev_direction == 'left':
+    if prev_direction == "left":
-        if prev_event.type == 'plays' and len(pref.unpreffered_plays.all()) <= 2:
+        if prev_event.type == "plays" and len(pref.unpreffered_plays.all()) <= 2:
             candidates = nearest_plays(prev_event, 100)
             # print(candidates, type(candidates), len(Event.objects.filter(type='plays')))
             return candidates[-1]
-        if prev_event.type == 'movie' and len(pref.unpreffered_movies.all()) <= 2:
+        if prev_event.type == "movie" and len(pref.unpreffered_movies.all()) <= 2:
             candidates = nearest_movie(prev_event, 100)
             return candidates[-1]
-        if prev_event.type == 'concert' and len(pref.unpreferred_concerts.all()) <= 2:
+        if prev_event.type == "concert" and len(pref.unpreferred_concerts.all()) <= 2:
             candidates = nearest_concert(prev_event, 100)
             return candidates[-1]
 
-    if prev_direction == 'right':
+    if prev_direction == "right":
-        if prev_event.type == 'plays' and len(pref.preffered_plays.all()) < 2:
+        if prev_event.type == "plays" and len(pref.preffered_plays.all()) < 2:
             candidates = nearest_plays(prev_event, 2)
             return candidates[1]
-        if prev_event.type == 'movie' and len(pref.preffered_movies.all()) < 2:
+        if prev_event.type == "movie" and len(pref.preffered_movies.all()) < 2:
             candidates = nearest_movie(prev_event, 2)
             return candidates[1]
-        if prev_event.type == 'concert' and len(pref.preferred_concerts.all()) < 2:
+        if prev_event.type == "concert" and len(pref.preferred_concerts.all()) < 2:
             candidates = nearest_concert(prev_event, 2)
             return candidates[1]
 
-    if prev_event.type == 'plays':
+    if prev_event.type == "plays":
-        if not len(pref.preffered_movies.all()) and not len(pref.unpreffered_movies.all()):
+        if not len(pref.preffered_movies.all()) and not len(
-            return choice(Event.objects.filter(type='movie'))
+            pref.unpreffered_movies.all()
-        if not len(pref.preferred_concerts.all()) and not len(pref.unpreferred_concerts.all()):
+        ):
-            return choice(Event.objects.filter(type='concert'))
+            return choice(Event.objects.filter(type="movie"))
+        if not len(pref.preferred_concerts.all()) and not len(
+            pref.unpreferred_concerts.all()
+        ):
+            return choice(Event.objects.filter(type="concert"))
 
-    if prev_event.type == 'movie':
+    if prev_event.type == "movie":
-        if not len(pref.preffered_plays.all()) and not len(pref.unpreffered_plays.all()):
+        if not len(pref.preffered_plays.all()) and not len(
-            return choice(Event.objects.filter(type='plays'))
+            pref.unpreffered_plays.all()
-        if not len(pref.preferred_concerts.all()) and not len(pref.unpreferred_concerts.all()):
+        ):
-            return choice(Event.objects.filter(type='concert'))
+            return choice(Event.objects.filter(type="plays"))
+        if not len(pref.preferred_concerts.all()) and not len(
+            pref.unpreferred_concerts.all()
+        ):
+            return choice(Event.objects.filter(type="concert"))
 
-    if prev_event.type == 'concert':
+    if prev_event.type == "concert":
-        if not len(pref.preffered_plays.all()) and not len(pref.unpreffered_plays.all()):
+        if not len(pref.preffered_plays.all()) and not len(
-            return choice(Event.objects.filter(type='plays'))
+            pref.unpreffered_plays.all()
-        if not len(pref.preffered_movies.all()) and not len(pref.unpreffered_movies.all()):
+        ):
-            return choice(Event.objects.filter(type='movie'))
+            return choice(Event.objects.filter(type="plays"))
+        if not len(pref.preffered_movies.all()) and not len(
+            pref.unpreffered_movies.all()
+        ):
+            return choice(Event.objects.filter(type="movie"))
 
     return None
 
 
-
 def rank_candidates(candidates_list, negative_candidates_list):
     flatten_c_list = []
     ranks = {}
@@ -137,17 +174,23 @@ def rank_candidates(candidates_list, negative_candidates_list):
     for lst in candidates_list:
         flatten_c_list.extend(lst)
         for cand in lst:
-            ranks.update({cand: {'rank': 0, 'lst': lst}})
+            ranks.update({cand: {"rank": 0, "lst": lst}})
 
     cnt = Counter(flatten_c_list)
 
     for candidate, how_many in cnt.most_common(len(flatten_c_list)):
-        ranks[candidate]['rank'] = how_many * (len(ranks[candidate]['lst']) - ranks[candidate]['lst'].index(candidate))
+        ranks[candidate]["rank"] = how_many * (
+            len(ranks[candidate]["lst"]) - ranks[candidate]["lst"].index(candidate)
+        )
 
     res = []
     for cand in ranks.keys():
-        res.append((ranks[cand]['rank'], cand))
+        res.append((ranks[cand]["rank"], cand))
-    return list(filter(lambda x: x[1] not in flatten_negatives, sorted(res, key=lambda x: -x[0])))
+    return list(
+        filter(
+            lambda x: x[1] not in flatten_negatives, sorted(res, key=lambda x: -x[0])
+        )
+    )
 
 
 def get_personal_recommendation(prefer, unprefer):
@@ -158,7 +201,9 @@ def get_personal_recommendation(prefer, unprefer):
         candidates.append(list(map(lambda x: x.oid, get_nearest_event(rec, 10)[1:])))
 
     for neg in unprefer:
-        negative_candidates.append(list(map(lambda x: x.oid, get_nearest_event(neg, 10)[1:])))
+        negative_candidates.append(
+            list(map(lambda x: x.oid, get_nearest_event(neg, 10)[1:]))
+        )
 
     ranked = rank_candidates(candidates, negative_candidates)
 
@@ -189,7 +234,6 @@ def get_personal_movies_recommendation(user):
     return get_personal_recommendation(prefer, unprefer)
 
 
-
 def dist_func(event1: Event, event2: Event):
     # cords1 = [event1.lat, event1.lon]
     # cords2 = [event2.lat, event2.lon]
@@ -205,7 +249,9 @@ def generate_nearest():
     NearestEvent.objects.all().delete()
     all_events = list(Event.objects.all())
     for i, event in enumerate(Event.objects.all()):
-        event_all_events = list(sorted(all_events.copy(), key=lambda x: dist_func(event, x)))
+        event_all_events = list(
+            sorted(all_events.copy(), key=lambda x: dist_func(event, x))
+        )
         nearest = NearestEvent.objects.create(event=event)
         nearest.nearest.set(event_all_events[0:100])
         nearest.save()
@@ -218,12 +264,15 @@ def generate_hotel_nearest():
     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)))
+        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_points():
     regions = list(City.objects.all())
     for i, point in enumerate(Event.objects.all()):
@@ -234,8 +283,12 @@ def match_points():
             print(i)
 
 
-
+def calculate_mean_metric(
-def calculate_mean_metric(favorite_events: Iterable[Event], target_event: Event, model: AnnoyIndex, rev_mapping):
+    favorite_events: Iterable[Event],
+    target_event: Event,
+    model: AnnoyIndex,
+    rev_mapping,
+):
     if not len(favorite_events):
         return 100000
 
@@ -248,35 +301,23 @@ def calculate_mean_metric(favorite_events: Iterable[Event], target_event: Event,
 
 def calculate_favorite_metric(event: Event, user: User):
     pref = UserPreferences.objects.get(user=user)
-    if event.type == 'plays':
+    if event.type == "plays":
         preferred = pref.preffered_plays.all()
-        return calculate_mean_metric(
+        return calculate_mean_metric(preferred, event, plays_model, rev_plays_mapping)
-            preferred,
+    if event.type == "concert":
-            event,
-            plays_model,
-            rev_plays_mapping
-        )
-    if event.type == 'concert':
         preferred = pref.preferred_concerts.all()
         return calculate_mean_metric(
-            preferred,
+            preferred, event, concert_model, rev_concert_mapping
-            event,
-            concert_model,
-            rev_concert_mapping
         )
-    if event.type == 'movie':
+    if event.type == "movie":
         preferred = pref.preffered_movies.all()
-        return calculate_mean_metric(
+        return calculate_mean_metric(preferred, event, cinema_model, rev_cinema_mapping)
-            preferred,
-            event,
-            cinema_model,
-            rev_cinema_mapping
-        )
     return 1000000
 
 
-def get_nearest_favorite(events: Iterable[Event], user: User, exclude_events: Iterable[Event]=[]):
+def get_nearest_favorite(
-    
+    events: Iterable[Event], user: User, exclude_events: Iterable[Event] = []
+):
     first_event = None
     for candidate in events:
         if candidate not in exclude_events:
@@ -286,7 +327,8 @@ def get_nearest_favorite(events: Iterable[Event], user: User, exclude_events: It
     result = first_event
     result_min = calculate_favorite_metric(result, user)
     for event in events:
-        if event in exclude_events: continue
+        if event in exclude_events:
+            continue
         local_min_metric = calculate_favorite_metric(event, user)
         if local_min_metric < result_min:
             result_min = local_min_metric
@@ -312,7 +354,7 @@ def generate_route(point1: BasePoint, point2: BasePoint):
         "from": point1,
         "to": point2,
         "distance": distance,
-        "time": time
+        "time": time,
     }
 
 
@@ -321,7 +363,7 @@ def generate_point(point: BasePoint):
         "type": "point",
         "point": point,
         "point_type": "",
-        "time": timedelta(minutes=90+choice(range(-80, 90, 10)))
+        "time": timedelta(minutes=90 + choice(range(-80, 90, 10))),
     }
 
 
@@ -347,10 +389,10 @@ def generate_path(region: Region, user: User):
         points.append(get_nearest_favorite(candidates, user, points))
 
         transition_route = generate_route(points[-1], points[-2])
-        start_time += transition_route['time']
+        start_time += transition_route["time"]
 
         point_route = generate_point(points[-1])
-        start_time += point_route['time']
+        start_time += point_route["time"]
         path.extend([transition_route, point_route])
 
     return hotel, points, path

passfinder/users/api/views.py

@@ -11,6 +11,9 @@
     UserRegisterSerializer,
     UserPreferenceSerializer,
 )
+from ..models import UserPreference
+from ...events.api.serializers import PointSerializer
+from ...events.models import BasePoint
 
 User = get_user_model()
 
@@ -45,3 +48,12 @@ def post(self, request, *args, **kwargs):
 
 class CreateUserPreferenceApiView(generics.CreateAPIView):
     serializer_class = UserPreferenceSerializer
+
+
+class ListUserFavoritePointsApiView(generics.ListAPIView):
+    serializer_class = PointSerializer
+
+    def get_queryset(self):
+        return BasePoint.objects.filter(
+            user_preferences__user=self.request.user, user_preferences__type="favorite"
+        )

poetry.lock

@@ -1274,6 +1274,42 @@ prometheus-client = ">=0.8.0"
 pytz = "*"
 tornado = ">=5.0.0,<7.0.0"
 
+[[package]]
+name = "geographiclib"
+version = "2.0"
+description = "The geodesic routines from GeographicLib"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "geographiclib-2.0-py3-none-any.whl", hash = "sha256:6b7225248e45ff7edcee32becc4e0a1504c606ac5ee163a5656d482e0cd38734"},
+    {file = "geographiclib-2.0.tar.gz", hash = "sha256:f7f41c85dc3e1c2d3d935ec86660dc3b2c848c83e17f9a9e51ba9d5146a15859"},
+]
+
+[[package]]
+name = "geopy"
+version = "2.3.0"
+description = "Python Geocoding Toolbox"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "geopy-2.3.0-py3-none-any.whl", hash = "sha256:4a29a16d41d8e56ba8e07310802a1cbdf098eeb6069cc3d6d3068fc770629ffc"},
+    {file = "geopy-2.3.0.tar.gz", hash = "sha256:228cd53b6eef699b2289d1172e462a90d5057779a10388a7366291812601187f"},
+]
+
+[package.dependencies]
+geographiclib = ">=1.52,<3"
+
+[package.extras]
+aiohttp = ["aiohttp"]
+dev = ["coverage", "flake8 (>=5.0,<5.1)", "isort (>=5.10.0,<5.11.0)", "pytest (>=3.10)", "pytest-asyncio (>=0.17)", "readme-renderer", "sphinx (<=4.3.2)", "sphinx-issues", "sphinx-rtd-theme (>=0.5.0)"]
+dev-docs = ["readme-renderer", "sphinx (<=4.3.2)", "sphinx-issues", "sphinx-rtd-theme (>=0.5.0)"]
+dev-lint = ["flake8 (>=5.0,<5.1)", "isort (>=5.10.0,<5.11.0)"]
+dev-test = ["coverage", "pytest (>=3.10)", "pytest-asyncio (>=0.17)", "sphinx (<=4.3.2)"]
+requests = ["requests (>=2.16.2)", "urllib3 (>=1.24.2)"]
+timezone = ["pytz"]
+
 [[package]]
 name = "humanize"
 version = "4.6.0"
@@ -3079,4 +3115,4 @@ testing = ["big-O", "flake8 (<5)", "jaraco.functools", "jaraco.itertools", "more
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "c715e551faec63d192743332fc0fd568147d4f164ff58a2ad843a7c10a5f4799"
+content-hash = "2f8d96eb5b506fcf8f61c7ba8bfd68a0b740e9b06b5f32d9a22afb84fd480f2f"

pyproject.toml

@@ -53,6 +53,7 @@ django-filter = "^23.2"
 djangorestframework-simplejwt = "^5.2.2"
 beautifulsoup4 = "^4.12.2"
 django-clickhouse = "^1.2.1"
+geopy = "^2.3.0"
 
 
 [build-system]