Feature/tasks api (#23)

* Add app ratings, create test for ratings and tasks

* Some refactoring

* Delete ipr/migrations directory

* Исправил комментарии с собрания v2

* Fix isort

.gitignore

@@ -154,4 +154,5 @@ Thumbs.db
 .vscode
 */migrations/*
 /static/
+/ipr/migrations/
 # Миграции убраны из git. Т.к. до существования БД проще без них.

api/v1/serializers/ratings.py

@@ -0,0 +1,17 @@
+from rest_framework import serializers
+
+from ratings.models import Rating
+
+
+class RatingSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Rating
+        fields = [
+            "id",
+            "content_type",
+            "object_id",
+            "user",
+            "rating",
+            "created_at",
+        ]
+        read_only_fields = ["user"]

api/v1/serializers/task.py

@@ -11,5 +11,13 @@ class TaskSerializer(serializers.ModelSerializer):
     creator = SlugRelatedField(slug_field="username", read_only=True)
 
     class Meta:
-        exclude = ("creation_date",)
+        fields = (
+            "name",
+            "description",
+            "creator",
+            "creation_date",
+            "start_date",
+            "end_date",
+            "status",
+        )
         model = Task

api/v1/urls.py

@@ -7,6 +7,7 @@
 from rest_framework import routers
 
 from api.v1.views.notifications_view import NotificationViewSet
+from api.v1.views.ratings_view import IPRRatingCreateView, TaskRatingCreateView
 from api.v1.views.task import TaskViewSet
 from api.v1.views.users_view import UserViewSet
 
@@ -20,6 +21,16 @@
 urlpatterns = [
     path("", include(v1_router.urls)),
     path("auth/", include("djoser.urls.jwt")),
+    path(
+        "tasks/<int:task_id>/ratings/",
+        TaskRatingCreateView.as_view(),
+        name="task-rating-create",
+    ),
+    path(
+        "iprs/<int:ipr_id>/ratings/",
+        IPRRatingCreateView.as_view(),
+        name="ipr-rating-create",
+    ),
 ]
 
 #  ---------------------------------------------------------------------SWAGGER

api/v1/views/ratings_view.py

@@ -0,0 +1,43 @@
+from rest_framework import generics, status
+from rest_framework.generics import get_object_or_404
+from rest_framework.response import Response
+
+from api.v1.serializers.ratings import RatingSerializer
+from ipr.models import IPR
+from ratings.models import Rating
+from tasks.models import Task
+
+
+class RatingCreateListView(generics.CreateAPIView, generics.ListAPIView):
+    queryset = Rating.objects.all()
+    serializer_class = RatingSerializer
+    content_model = None
+
+    def get_content_object(self):
+        object_id = self.kwargs.get(f"{self.content_model}_id")
+        return get_object_or_404(self.content_model, id=object_id)
+
+    def get_queryset(self):
+        content_object = self.get_content_object()
+        return Rating.objects.filter(
+            content_type__model=self.content_model, object_id=content_object.id
+        )
+
+    def post(self, request, *args, **kwargs):
+        content_object = self.get_content_object()
+
+        serializer = self.get_serializer(data=request.data)
+        if serializer.is_valid():
+            serializer.save(
+                content_object=content_object, user=self.request.user
+            )
+            return Response(serializer.data, status=status.HTTP_201_CREATED)
+        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+
+
+class TaskRatingCreateView(RatingCreateListView):
+    content_model = Task
+
+
+class IPRRatingCreateView(RatingCreateListView):
+    content_model = IPR

config/settings.py

@@ -41,6 +41,7 @@
     "ipr.apps.IprConfig",
     "tasks.apps.TasksConfig",
     "users.apps.UsersConfig",
+    "ratings.apps.RatingsConfig",
     "core.apps.CoreConfig",
 ]
 INSTALLED_APPS = DJANGO_APPS + THIRD_PARTY_APPS + LOCAL_APPS
@@ -167,9 +168,18 @@
 EMAIL_LENGTH = 254
 NAME_LENGTH = 150
 MAX_LEN_COMMENT_TEXT = 200
+DESCRIPTION_LEN = 500
+SKILL_LEN = 255
 RESTRICTED_USERNAMES = (
     "me",
     "admin",
     "administrator",
     "root",
 )
+RATING_CHOICES = (
+        (1, "1 звезда"),
+        (2, "2 звезды"),
+        (3, "3 звезды"),
+        (4, "4 звезды"),
+        (5, "5 звезд"),
+    )

ratings/admin.py

@@ -0,0 +1,17 @@
+from django.contrib import admin
+
+from ratings.models import Rating
+
+
+class RatingAdmin(admin.ModelAdmin):
+    list_display = (
+        "content_type",
+        "object_id",
+        "content_object",
+        "user",
+        "rating",
+        "created_at",
+    )
+
+
+admin.site.register(Rating, RatingAdmin)

ratings/apps.py

@@ -0,0 +1,7 @@
+from django.apps import AppConfig
+
+
+class RatingsConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "ratings"
+    verbose_name = "Оценка"

ratings/models.py

@@ -0,0 +1,28 @@
+from django.conf import settings
+from django.contrib.auth import get_user_model
+from django.contrib.contenttypes.fields import GenericForeignKey
+from django.contrib.contenttypes.models import ContentType
+from django.db import models
+
+User = get_user_model()
+
+
+class Rating(models.Model):
+    content_type = models.ForeignKey(
+        ContentType,
+        on_delete=models.CASCADE,
+        limit_choices_to={"model__in": ["task", "ipr"]},
+    )
+    object_id = models.PositiveIntegerField()
+    content_object = GenericForeignKey("content_type", "object_id")
+
+    user = models.ForeignKey(User, on_delete=models.SET_NULL, null=True)
+    rating = models.IntegerField(choices=settings.RATING_CHOICES)
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        verbose_name = "Оценки"
+        verbose_name_plural = "Оценки"
+
+    def __str__(self):
+        return f"{self.content_object} - {self.rating} от {self.user}"