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'Solution' #663
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'Solution' #663
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,49 @@ | ||
from django.db.models import QuerySet | ||
from django.http import HttpRequest | ||
from rest_framework import filters | ||
from rest_framework.viewsets import ModelViewSet | ||
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from cinema.models import MovieSession, Movie | ||
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class FilterMovieSessionByDateAndMovie(filters.BaseFilterBackend): | ||
def filter_queryset( | ||
self, | ||
request: HttpRequest, | ||
queryset: QuerySet[MovieSession], | ||
view: ModelViewSet | ||
) -> QuerySet[MovieSession]: | ||
date = request.query_params.get("date") | ||
movie = request.query_params.get("movie") | ||
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if date: | ||
queryset = queryset.filter(show_time__date=date) | ||
if movie: | ||
queryset = queryset.filter(movie__id=movie) | ||
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return queryset | ||
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class FilterMovieViewSet(filters.BaseFilterBackend): | ||
def filter_queryset( | ||
self, | ||
request: HttpRequest, | ||
queryset: QuerySet[Movie], | ||
view: ModelViewSet | ||
): | ||
actors = request.query_params.get("actors") | ||
genres = request.query_params.get("genres") | ||
title = request.query_params.get("title") | ||
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if actors: | ||
actor_ids = actors.split(",") | ||
queryset = queryset.filter(actors__id__in=actor_ids) | ||
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if genres: | ||
genre_ids = genres.split(",") | ||
queryset = queryset.filter(genres__id__in=genre_ids) | ||
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if title: | ||
queryset = queryset.filter(title__icontains=title) | ||
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return queryset |
Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,42 @@ | ||
# Generated by Django 4.1 on 2024-10-03 10:37 | ||
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from django.db import migrations, models | ||
import django.db.models.deletion | ||
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class Migration(migrations.Migration): | ||
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dependencies = [ | ||
("cinema", "0004_alter_genre_name"), | ||
] | ||
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operations = [ | ||
migrations.AlterField( | ||
model_name="movie", | ||
name="actors", | ||
field=models.ManyToManyField(related_name="movies", to="cinema.actor"), | ||
), | ||
migrations.AlterField( | ||
model_name="movie", | ||
name="genres", | ||
field=models.ManyToManyField(related_name="movies", to="cinema.genre"), | ||
), | ||
migrations.AlterField( | ||
model_name="moviesession", | ||
name="cinema_hall", | ||
field=models.ForeignKey( | ||
on_delete=django.db.models.deletion.CASCADE, | ||
related_name="movie_sessions", | ||
to="cinema.cinemahall", | ||
), | ||
), | ||
migrations.AlterField( | ||
model_name="moviesession", | ||
name="movie", | ||
field=models.ForeignKey( | ||
on_delete=django.db.models.deletion.CASCADE, | ||
related_name="movie_sessions", | ||
to="cinema.movie", | ||
), | ||
), | ||
] |
Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,38 @@ | ||
# Generated by Django 4.1 on 2024-10-03 10:39 | ||
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from django.db import migrations, models | ||
import django.db.models.deletion | ||
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class Migration(migrations.Migration): | ||
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dependencies = [ | ||
("cinema", "0005_alter_movie_actors_alter_movie_genres_and_more"), | ||
] | ||
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operations = [ | ||
migrations.AlterField( | ||
model_name="movie", | ||
name="actors", | ||
field=models.ManyToManyField(to="cinema.actor"), | ||
), | ||
migrations.AlterField( | ||
model_name="movie", | ||
name="genres", | ||
field=models.ManyToManyField(to="cinema.genre"), | ||
), | ||
migrations.AlterField( | ||
model_name="moviesession", | ||
name="cinema_hall", | ||
field=models.ForeignKey( | ||
on_delete=django.db.models.deletion.CASCADE, to="cinema.cinemahall" | ||
), | ||
), | ||
migrations.AlterField( | ||
model_name="moviesession", | ||
name="movie", | ||
field=models.ForeignKey( | ||
on_delete=django.db.models.deletion.CASCADE, to="cinema.movie" | ||
), | ||
), | ||
] |
Original file line number | Diff line number | Diff line change |
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@@ -1,6 +1,15 @@ | ||
from django.db import transaction | ||
from rest_framework import serializers | ||
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from cinema.models import Genre, Actor, CinemaHall, Movie, MovieSession | ||
from cinema.models import ( | ||
Genre, | ||
Actor, | ||
CinemaHall, | ||
Movie, | ||
MovieSession, | ||
Order, | ||
Ticket | ||
) | ||
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class GenreSerializer(serializers.ModelSerializer): | ||
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@@ -29,7 +38,9 @@ class Meta: | |
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class MovieListSerializer(MovieSerializer): | ||
genres = serializers.SlugRelatedField( | ||
many=True, read_only=True, slug_field="name" | ||
many=True, | ||
read_only=True, | ||
slug_field="name" | ||
) | ||
actors = serializers.SlugRelatedField( | ||
many=True, read_only=True, slug_field="full_name" | ||
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@@ -54,11 +65,13 @@ class Meta: | |
class MovieSessionListSerializer(MovieSessionSerializer): | ||
movie_title = serializers.CharField(source="movie.title", read_only=True) | ||
cinema_hall_name = serializers.CharField( | ||
source="cinema_hall.name", read_only=True | ||
source="cinema_hall.name", | ||
read_only=True | ||
) | ||
cinema_hall_capacity = serializers.IntegerField( | ||
source="cinema_hall.capacity", read_only=True | ||
) | ||
tickets_available = serializers.IntegerField(read_only=True) | ||
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class Meta: | ||
model = MovieSession | ||
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@@ -68,13 +81,58 @@ class Meta: | |
"movie_title", | ||
"cinema_hall_name", | ||
"cinema_hall_capacity", | ||
"tickets_available", | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. You need annotate method to your MovieSessionViewSet, to make this field available |
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) | ||
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class TicketTakenPlacesSerializer(serializers.ModelSerializer): | ||
class Meta: | ||
model = Ticket | ||
fields = ["row", "seat"] | ||
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class MovieSessionDetailSerializer(MovieSessionSerializer): | ||
movie = MovieListSerializer(many=False, read_only=True) | ||
cinema_hall = CinemaHallSerializer(many=False, read_only=True) | ||
taken_places = TicketTakenPlacesSerializer( | ||
many=True, read_only=True, source="tickets" | ||
) | ||
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class Meta: | ||
model = MovieSession | ||
fields = ("id", "show_time", "movie", "cinema_hall") | ||
fields = ("id", "show_time", "movie", "cinema_hall", "taken_places") | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. You added field taken_places, but model doesn't have this fields. You need to got it from tickets |
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class TicketSerializer(serializers.ModelSerializer): | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. you can inherit this from TicketPerformSerializer so you don't have to declare the same Meta class twice |
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movie_session = MovieSessionListSerializer(read_only=True, many=False) | ||
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class Meta: | ||
model = Ticket | ||
fields = ("id", "row", "seat", "movie_session") | ||
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class OrderSerializer(serializers.ModelSerializer): | ||
tickets = TicketSerializer( | ||
many=True, | ||
read_only=False, | ||
allow_empty=False, | ||
) | ||
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class Meta: | ||
model = Order | ||
fields = ["id", "tickets", "created_at"] | ||
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def validate(self, attrs): | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. this validation logically belongs to Ticket serializer class There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. not fixed |
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data = super().validate(attrs) | ||
Ticket.ticket_validation( | ||
row=attrs["row"], | ||
seat=attrs["seat"], | ||
cinema_hall=attrs["movie_session"].cinema_hall, | ||
error_class=serializers.ValidationError, | ||
) | ||
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return data | ||
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class OrderListSerializer(OrderSerializer): | ||
tickets = TicketSerializer(many=True, read_only=True) |
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Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Would make sense to split and convert elements into int type - to be sure that you are being passed a valid numeric string + this should be placed in a separate method so you don't repeat yourself
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not done - you need to cast int type here.