From ef4f0bd64832c36d7c28eb54d05aa6f268869f97 Mon Sep 17 00:00:00 2001 From: Tsvetan Kichuk Date: Sat, 28 Sep 2024 13:17:39 +0200 Subject: [PATCH] 'Solution' --- .gitignore | 2 +- cinema/migrations/0001_initial.py | 49 +++++++++----- cinema/models.py | 28 +++++++- cinema/serializers.py | 53 ++++++++++++++- cinema/urls.py | 25 +++++-- cinema/views.py | 107 +++++++++++++++++++++++------- requirements.txt | 2 +- 7 files changed, 217 insertions(+), 49 deletions(-) diff --git a/.gitignore b/.gitignore index 9c18d6ac5..bbae997be 100644 --- a/.gitignore +++ b/.gitignore @@ -7,4 +7,4 @@ venv/ .pytest_cache/ **__pycache__/ *.pyc -db.sqlite3 \ No newline at end of file +db.sqlite3 diff --git a/cinema/migrations/0001_initial.py b/cinema/migrations/0001_initial.py index 514947a64..9cb1edef1 100644 --- a/cinema/migrations/0001_initial.py +++ b/cinema/migrations/0001_initial.py @@ -1,4 +1,4 @@ -# Generated by Django 4.0.2 on 2022-05-03 13:41 +# Generated by Django 4.1 on 2024-09-28 10:06 from django.db import migrations, models @@ -7,24 +7,43 @@ class Migration(migrations.Migration): initial = True - dependencies = [] + dependencies = [ + ] operations = [ migrations.CreateModel( - name="Movie", + name='Actor', + fields=[ + ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), + ('first_name', models.CharField(max_length=255)), + ('last_name', models.CharField(max_length=255)), + ], + ), + migrations.CreateModel( + name='CinemaHall', + fields=[ + ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), + ('name', models.CharField(max_length=255)), + ('rows', models.IntegerField()), + ('seats_in_row', models.IntegerField()), + ], + ), + migrations.CreateModel( + name='Genre', + fields=[ + ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), + ('name', models.CharField(max_length=255, unique=True)), + ], + ), + migrations.CreateModel( + name='Movie', fields=[ - ( - "id", - models.BigAutoField( - auto_created=True, - primary_key=True, - serialize=False, - verbose_name="ID", - ), - ), - ("title", models.CharField(max_length=255)), - ("description", models.TextField()), - ("duration", models.IntegerField()), + ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), + ('title', models.CharField(max_length=255)), + ('description', models.TextField()), + ('duration', models.IntegerField()), + ('actors', models.ManyToManyField(to='cinema.actor')), + ('genres', models.ManyToManyField(to='cinema.genre')), ], ), ] diff --git a/cinema/models.py b/cinema/models.py index cc477513f..d48cc7ca1 100644 --- a/cinema/models.py +++ b/cinema/models.py @@ -1,10 +1,36 @@ from django.db import models +class Genre(models.Model): + name = models.CharField(max_length=255, unique=True) + + def __str__(self): + return self.name + + +class Actor(models.Model): + first_name = models.CharField(max_length=255) + last_name = models.CharField(max_length=255) + + def __str__(self): + return self.first_name, self.last_name + + class Movie(models.Model): title = models.CharField(max_length=255) description = models.TextField() duration = models.IntegerField() + genres = models.ManyToManyField(Genre) + actors = models.ManyToManyField(Actor) + + def __str__(self): + return self.title, self.description, self.duration, self.genres + + +class CinemaHall(models.Model): + name = models.CharField(max_length=255) + rows = models.IntegerField() + seats_in_row = models.IntegerField() def __str__(self): - return self.title + return self.name, self.rows, self.seats_in_row diff --git a/cinema/serializers.py b/cinema/serializers.py index 050db5771..53462cc7f 100644 --- a/cinema/serializers.py +++ b/cinema/serializers.py @@ -1,6 +1,6 @@ from rest_framework import serializers -from cinema.models import Movie +from cinema.models import Movie, CinemaHall, Genre, Actor class MovieSerializer(serializers.Serializer): @@ -22,3 +22,54 @@ def update(self, instance, validated_data): instance.save() return instance + + +class CinemaHallSerializer(serializers.Serializer): + id = serializers.IntegerField(read_only=True) + name = serializers.CharField(max_length=255) + rows = serializers.IntegerField(read_only=True) + seats_in_row = serializers.IntegerField(read_only=True) + + def create(self, validated_data): + return CinemaHall.objects.create(**validated_data) + + def update(self, instance, validated_data): + instance.name = validated_data.get("name", instance.name) + instance.rows = validated_data.get( + "rows", instance.rows + ) + instance.seats_in_row = validated_data.get("seats_in_row", instance.seats_in_row) + + instance.save() + + return instance + + +class GenreSerializer(serializers.Serializer): + name = serializers.CharField(max_length=255) + + def create(self, validated_data): + return Genre.objects.create(**validated_data) + + def update(self, instance, validated_data): + instance.name = validated_data.get("name", instance.name) + + instance.save() + + return instance + + +class ActorSerializer(serializers.Serializer): + first_name = serializers.CharField(max_length=255) + last_name = serializers.CharField(max_length=255) + + def create(self, validated_data): + return Actor.objects.create(**validated_data) + + def update(self, instance, validated_data): + instance.first_name = validated_data.get("first_name", instance.first_name) + instance.last_name = validated_data.get("last_name", instance.last_name) + + instance.save() + + return instance diff --git a/cinema/urls.py b/cinema/urls.py index 1ae7d5cb0..cfd080ec1 100644 --- a/cinema/urls.py +++ b/cinema/urls.py @@ -1,10 +1,25 @@ -from django.urls import path +from django.urls import path, include +from rest_framework import routers -from cinema.views import movie_list, movie_detail +from cinema.views import ( + MovieViewSet, + CinemaHallViewSet, + ActorList, + ActorDetail, + GenreList, + GenreDetail +) + +router = routers.DefaultRouter() +router.register("movies", MovieViewSet) +router.register("cinema-halls", CinemaHallViewSet) urlpatterns = [ - path("movies/", movie_list, name="movie-list"), - path("movies//", movie_detail, name="movie-detail"), -] + path("", include(router.urls)), + path("genres/", GenreList.as_view(), name="genre-list"), + path("genres//", GenreDetail.as_view(), name="genre-detail"), + path("actors/", ActorList.as_view(), name="actor-list"), + path("actors//", ActorDetail.as_view(), name="actor-detail"), + ] app_name = "cinema" diff --git a/cinema/views.py b/cinema/views.py index 78ba8a79c..171193e08 100644 --- a/cinema/views.py +++ b/cinema/views.py @@ -1,45 +1,102 @@ -from rest_framework.decorators import api_view -from rest_framework.response import Response -from rest_framework import status - from django.shortcuts import get_object_or_404 +from rest_framework import status, viewsets, mixins, generics +from rest_framework.response import Response +from rest_framework.views import APIView -from cinema.models import Movie -from cinema.serializers import MovieSerializer +from cinema.models import Movie, Genre, Actor, CinemaHall +from cinema.serializers import ( + MovieSerializer, + GenreSerializer, + ActorSerializer, + CinemaHallSerializer, +) -@api_view(["GET", "POST"]) -def movie_list(request): - if request.method == "GET": - movies = Movie.objects.all() - serializer = MovieSerializer(movies, many=True) +class GenreList(APIView): + def get(self, request): + genre = Genre.objects.all() + serializer = GenreSerializer(genre, many=True) return Response(serializer.data, status=status.HTTP_200_OK) - if request.method == "POST": - serializer = MovieSerializer(data=request.data) + def post(self, request): + serializer = GenreSerializer(data=request.data) if serializer.is_valid(): serializer.save() return Response(serializer.data, status=status.HTTP_201_CREATED) - return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST) -@api_view(["GET", "PUT", "DELETE"]) -def movie_detail(request, pk): - movie = get_object_or_404(Movie, pk=pk) +class GenreDetail(APIView): + def get_object(self, pk): + return get_object_or_404(Genre, pk=pk) - if request.method == "GET": - serializer = MovieSerializer(movie) + def get(self, request, pk): + genre = self.get_object(pk) + serializer = GenreSerializer(genre) return Response(serializer.data, status=status.HTTP_200_OK) - if request.method == "PUT": - serializer = MovieSerializer(movie, data=request.data) + def put(self, request, pk): + genre = self.get_object(pk) + serializer = GenreSerializer(genre, data=request.data) if serializer.is_valid(): serializer.save() - return Response(serializer.data, status=status.HTTP_200_OK) - + return Response(serializer.data) return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST) - if request.method == "DELETE": - movie.delete() + def delete(self, request, pk): + genre = self.get_object(pk) + genre.delete() return Response(status=status.HTTP_204_NO_CONTENT) + + +class ActorList( + mixins.ListModelMixin, + mixins.CreateModelMixin, + generics.GenericAPIView +): + queryset = Actor.objects.all() + serializer_class = ActorSerializer + + def get(self, request, *args, **kwargs): + return self.list(request, *args, **kwargs) + + def post(self, request, *args, **kwargs): + return self.create(request, *args, **kwargs) + + +class ActorDetail( + mixins.RetrieveModelMixin, + mixins.UpdateModelMixin, + mixins.DestroyModelMixin, + generics.GenericAPIView +): + + queryset = Actor.objects.all() + serializer_class = ActorSerializer + + def get(self, request, *args, **kwargs): + return self.retrieve(request, *args, **kwargs) + + def put(self, request, *args, **kwargs): + return self.update(request, *args, **kwargs) + + def delete(self, request, *args, **kwargs): + return self.destroy(request, *args, **kwargs) + + +class CinemaHallViewSet( + mixins.ListModelMixin, + mixins.CreateModelMixin, + mixins.RetrieveModelMixin, + mixins.UpdateModelMixin, + mixins.DestroyModelMixin, + viewsets.GenericViewSet +): + + queryset = CinemaHall.objects.all() + serializer_class = CinemaHallSerializer + + +class MovieViewSet(viewsets.ModelViewSet): + queryset = Movie.objects.all() + serializer_class = MovieSerializer diff --git a/requirements.txt b/requirements.txt index 99938e15f..56e135547 100644 --- a/requirements.txt +++ b/requirements.txt @@ -4,4 +4,4 @@ flake8-quotes==3.3.1 flake8-variables-names==0.0.5 pep8-naming==0.13.2 django-debug-toolbar==3.2.4 -djangorestframework==3.13.1 +djangorestframework==3.13.1 \ No newline at end of file