Desafio realizado

Manual.md

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+# Instalação no windows
+
+1. tenha o python 3.11.1 instalado
+
+2. Clone o repositório
+
+
+# Modo de uso
+
+Após ter clonado o repositório, ative o ambiente virtual ```venv``` com o seguinte comando
+```venv\scripts\activate```
+
+Em seguida, instale as dependências que estão no arquivo requirements.txt utilizando o comando ```pip install -r requirements.txt```
+
+Em seguida ative o servidor com o seguinte comando ```python manage.py runserver```
+
+
+# Rotas
+| método | rota |
+| --- | --- |
+| POST | ```http://127.0.0.1:8000/api/obras/``` |
+| GET | ```http://127.0.0.1:8000/api/obras/``` |
+| PUT | ```http://127.0.0.1:8000/api/obras/ID``` |
+| DELETE | ```http://127.0.0.1:8000/api/obras/ID```|

api/admin.py

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+from django.contrib import admin
+
+# Register your models here.

api/apps.py

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+from django.apps import AppConfig
+
+
+class ApiConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'api'

api/entidades/obras.py

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+class Obras:
+    def __init__(self, titulo, editora, foto, autores):
+        self.__titulo = titulo
+        self.__editora = editora
+        self.__foto = foto
+        self.__autores = autores
+
+    @property
+    def titulo(self):
+        return self.__titulo
+
+    @titulo.setter
+    def titulo(self, titulo):
+        self.__titulo = titulo
+
+    @property
+    def editora(self):
+        return self.__editora
+
+    @editora.setter
+    def editora(self, editora):
+        self.__editora = editora
+
+    @property
+    def foto(self):
+        return self.__foto
+
+    @foto.setter
+    def foto(self, foto):
+        self.__foto = foto
+
+    @property
+    def autores(self):
+        return self.__autores
+
+    @autores.setter
+    def autores(self, autores):
+        self.__autores = autores

api/migrations/0001_initial.py

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+# Generated by Django 4.1.5 on 2023-01-08 17:24
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Obras',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('titulo', models.CharField(max_length=50)),
+                ('editora', models.CharField(max_length=50)),
+                ('foto', models.URLField(null=True)),
+                ('autores', models.CharField(max_length=100)),
+            ],
+        ),
+    ]

api/migrations/0002_alter_obras_foto.py

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+# Generated by Django 4.1.5 on 2023-01-08 18:14
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='obras',
+            name='foto',
+            field=models.ImageField(null=True, upload_to=''),
+        ),
+    ]

api/migrations/0003_alter_obras_foto.py

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+# Generated by Django 4.1.5 on 2023-01-08 18:28
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0002_alter_obras_foto'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='obras',
+            name='foto',
+            field=models.URLField(null=True),
+        ),
+    ]

api/models.py

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+from django.db import models
+
+class Obras(models.Model):
+    titulo = models.CharField(max_length = 50, blank = False, null = False)
+    editora = models.CharField(max_length = 50, blank = False, null = False)
+    foto = models.URLField(null = True)
+    autores = models.CharField(max_length = 100, blank = False, null = False)

api/pagination.py

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+from rest_framework.pagination import PageNumberPagination
+from rest_framework.response import Response
+
+class PaginationCustomizada(PageNumberPagination):
+    page_size = 2
+    page_size_query_param = 'page_size'
+    max_page_size = 6
+
+    def get_paginated_response(self, data):
+        return Response(
+            {
+                'Links': {
+                    'next': self.get_next_link(),
+                    'previous': self.get_previous_link()
+                },
+                'results': data
+            }
+        )

api/serializers/obras_serializer.py

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+from rest_framework import serializers
+from ..models import Obras
+from rest_framework.reverse import reverse
+
+class ObrasSerializer(serializers.ModelSerializer):
+    links = serializers.SerializerMethodField()
+    class Meta:
+        model = Obras
+        fields = ('id','titulo', 'editora', 'foto', 'autores', 'links')
+
+    def get_links(self, obj):
+        request = self.context['request']
+        return {
+            'delete': reverse('obras-detalhes', kwargs = {'id': obj.pk}, request = request),
+            'put': reverse('obras-detalhes', kwargs = {'id': obj.pk}, request = request),
+        }
+
+
+class ObrasSerializerCadastro(serializers.ModelSerializer):
+    class Meta:
+        model = Obras
+        fields = ('id','titulo', 'editora', 'foto', 'autores')

api/services/obras_service.py

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+from ..models import Obras
+from django.shortcuts import get_object_or_404
+
+def listar_obras():
+    return Obras.objects.all()
+
+def listar_obra_id(id):
+    return get_object_or_404(Obras, id=id)
+
+def criar_obra(obra):
+    return Obras.objects.create(
+        titulo = obra.titulo,
+        editora = obra.editora,
+        foto = obra.foto,
+        autores = obra.autores
+    )
+
+def editar_obra(obra_antiga, obra_nova):
+    obra_antiga.titulo = obra_nova.titulo
+    obra_antiga.editora = obra_nova.editora
+    obra_antiga.foto = obra_nova.foto
+    obra_antiga.autores = obra_nova.autores
+    obra_antiga.save(force_update = True)
+
+def remover_obra(obra):
+    obra.delete()

api/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

api/urls.py

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+from django.urls import path
+from .views import obras_view
+
+urlpatterns = [
+    path('obras/', obras_view.ObrasCriarListar.as_view(), name = 'obras'),
+    path('obras/<int:id>', obras_view.ObrasEditarDeletar.as_view(), name = 'obras-detalhes'),
+]

api/views/obras_view.py

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+from rest_framework.response import Response
+from rest_framework.views import APIView
+from rest_framework import status
+from ..serializers.obras_serializer import ObrasSerializer, ObrasSerializerCadastro
+from ..services import obras_service
+from ..entidades.obras import Obras
+from ..pagination import PaginationCustomizada
+
+
+class ObrasCriarListar(APIView):
+    def post(self, request):
+        serializer = ObrasSerializerCadastro(data = request.data)
+        if serializer.is_valid():
+            titulo = serializer.validated_data['titulo']
+            editora = serializer.validated_data['editora']
+            foto = serializer.validated_data['foto']
+            autores = serializer.validated_data['autores']
+            nova_obra = Obras(
+                titulo = titulo,
+                editora = editora,
+                foto = foto,
+                autores = autores
+            )
+            obras_service.criar_obra(nova_obra)
+            return Response(serializer.data, status = status.HTTP_201_CREATED)
+        return Response(serializer.errors, status = status.HTTP_400_BAD_REQUEST)
+
+    def get(self, request):
+        paginacao = PaginationCustomizada()
+        obras = obras_service.listar_obras()
+        resultado = paginacao.paginate_queryset(obras, request)
+        serializer = ObrasSerializer(resultado, context = {'request': request}, many = True)
+        return paginacao.get_paginated_response(serializer.data)
+
+class ObrasEditarDeletar(APIView):
+    def delete(self, request, id):
+        obra = obras_service.listar_obra_id(id)
+        if obra:
+            obras_service.remover_obra(obra)
+            return Response(status = status.HTTP_204_NO_CONTENT)
+
+    def put(self, request, id):
+        obra = obras_service.listar_obra_id(id)
+        serializer = ObrasSerializer(obra, context = {'request': request}, data = request.data)
+        if serializer.is_valid():
+            titulo = serializer.validated_data['titulo']
+            editora = serializer.validated_data['editora']
+            foto = serializer.validated_data['foto']
+            autores = serializer.validated_data['autores']
+            nova_obra = Obras(
+                titulo = titulo,
+                editora = editora,
+                foto = foto,
+                autores = autores
+            )
+            obras_service.editar_obra(obra, nova_obra)
+            return Response(serializer.data, status = status.HTTP_200_OK)
+        return Response(serializer.errors, status = status.HTTP_400_BAD_REQUEST)

biblioteca/asgi.py

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+"""
+ASGI config for biblioteca project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.1/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'biblioteca.settings')
+
+application = get_asgi_application()