Merge pull request #16 from rkshaon/rkshaon

backend

backend/BookShelf/settings.py

@@ -143,3 +143,4 @@
 
 DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
 AUTH_USER_MODEL = 'user_api.User'
+APPEND_SLASH = True

backend/BookShelf/urls.py

@@ -41,6 +41,7 @@
     path('admin/', admin.site.urls),
     # app URLs
     path('user/', include('user_api.urls')),
+    path('book/', include('book_api.urls')),
     # Swagger documentation URLs
     path('swagger/', schema_view.with_ui('swagger',
          cache_timeout=0), name='schema-swagger-ui'),

backend/BookShelf/utilities/pagination.py

@@ -0,0 +1,20 @@
+# BookShelf/utilities/pagination
+from rest_framework.pagination import PageNumberPagination
+
+
+class Pagination(PageNumberPagination):
+    page_size = 10
+    page_size_query_param = 'page_size'
+    max_page_size = 100
+
+    def get_page_size(self, request):
+        """
+        Handle dynamic page_size via query parameter
+        or fall back to default.
+        """
+        if request.query_params.get(self.page_size_query_param):
+            return min(
+                int(request.query_params[self.page_size_query_param]),
+                self.max_page_size
+            )
+        return self.page_size

backend/author_api/views.py

@@ -1,3 +1,3 @@
-from django.shortcuts import render
+# from django.shortcuts import render
 
 # Create your views here.

backend/book_api/serializers/v1.py

@@ -0,0 +1,9 @@
+from rest_framework import serializers
+
+from book_api.models import Book
+
+
+class BookSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Book
+        fields = '__all__'

backend/book_api/urls/__init__.py

@@ -0,0 +1,7 @@
+from django.urls import path, include
+from book_api.urls.v1 import urlpatterns as v1
+
+
+urlpatterns = [
+    path('v1/', include(v1)),
+]

backend/book_api/urls/v1.py

@@ -0,0 +1,9 @@
+from django.urls import path
+
+from book_api.views import v1
+
+
+urlpatterns = [
+    path('', v1.BookView.as_view()),
+    path('<int:pk>/', v1.BookView.as_view()),
+]

backend/book_api/views/v1.py

@@ -0,0 +1,33 @@
+from rest_framework.views import APIView
+from rest_framework.response import Response
+from rest_framework.permissions import AllowAny
+from rest_framework.exceptions import NotFound
+
+from BookShelf.utilities.pagination import Pagination
+
+from book_api.models import Book
+
+from book_api.serializers.v1 import BookSerializer
+
+
+class BookView(APIView):
+    permission_classes = [AllowAny]
+
+    def get(self, request, *args, **kwargs):
+        pk = kwargs.get('pk', None)
+
+        if pk:
+            try:
+                book = Book.objects.get(pk=pk, is_deleted=False)
+            except Book.DoesNotExist:
+                raise NotFound(detail="Book not found.")
+
+            return Response(BookSerializer(book).data)
+
+        books = Book.objects.filter(
+            is_deleted=False
+        ).order_by('id')
+        paginator = Pagination()
+        page = paginator.paginate_queryset(books, request)
+        serializer = BookSerializer(page, many=True)
+        return paginator.get_paginated_response(serializer.data)

backend/publisher_api/views.py

@@ -1,3 +1,3 @@
-from django.shortcuts import render
+# from django.shortcuts import render
 
 # Create your views here.