bump OpenApi from 2.0 to 3.0

- Rm drf-yasg e add drj-spectacular
- corrige schema de listagem
- ajusta urls para /api/schema, /api/schema/swagger-ui, api/schema/redoc
- insere na paginação links diretos de next e previous com filtro

requirements/requirements.txt

@@ -14,7 +14,7 @@ django-speedinfo==1.4.0
 django-extensions==2.1.4
 django-image-cropping==1.2
 django-webpack-loader==0.6.0
-drf-yasg==1.20.0
+drf-spectacular==0.18.2
 django-ratelimit==3.0.1
 easy-thumbnails==2.5
 python-decouple==3.1

sapl/api/core/__init__.py

@@ -101,7 +101,7 @@ class SaplApiViewSetConstrutor():
 
                     class Meta(_meta_serializer):
                         if not hasattr(_meta_serializer, 'ref_name'):
-                            ref_name = None
+                            ref_name = f'{object_name}Serializer'
 
                         if not hasattr(_meta_serializer, 'model'):
                             model = _model
@@ -117,7 +117,7 @@ class SaplApiViewSetConstrutor():
                             else:
                                 fields = _meta_serializer.fields
 
-                    def get___str__(self, obj):
+                    def get___str__(self, obj) -> str:
                         return str(obj)
 
                 _meta_filterset = object if not hasattr(

sapl/api/core/schema.py

@@ -0,0 +1,5 @@
+from drf_spectacular.openapi import AutoSchema
+
+
+class Schema(AutoSchema):
+    pass

sapl/api/pagination.py

@@ -13,6 +13,67 @@ class StandardPagination(pagination.PageNumberPagination):
             return None
         return super().paginate_queryset(queryset, request, view=view)
 
+    def get_paginated_response_schema(self, schema):
+        r = {
+            'type': 'object',
+            'properties': {
+                'pagination': {
+                    'type': 'object',
+                    'properties': {
+                        'links': {
+                            'type': 'object',
+                            'properties': {
+                                'next': {
+                                    'type': 'string',
+                                    'nullable': True,
+                                    'format': 'uri',
+                                    'example': 'http://api.example.org/accounts/?{page_query_param}=4'.format(
+                                        page_query_param=self.page_query_param)
+                                },
+                                'previous': {
+                                    'type': 'string',
+                                    'nullable': True,
+                                    'format': 'uri',
+                                    'example': 'http://api.example.org/accounts/?{page_query_param}=2'.format(
+                                        page_query_param=self.page_query_param)
+                                },
+                            }
+                        },
+                        'previous_page': {
+                            'type': 'integer',
+                            'example': 123,
+                        },
+                        'next_page': {
+                            'type': 'integer',
+                            'example': 123,
+                        },
+                        'start_index': {
+                            'type': 'integer',
+                            'example': 123,
+                        },
+                        'end_index': {
+                            'type': 'integer',
+                            'example': 123,
+                        },
+                        'total_entries': {
+                            'type': 'integer',
+                            'example': 123,
+                        },
+                        'total_pages': {
+                            'type': 'integer',
+                            'example': 123,
+                        },
+                        'page': {
+                            'type': 'integer',
+                            'example': 123,
+                        },
+                    }
+                },
+                'results': schema,
+            },
+        }
+        return r
+
     def get_paginated_response(self, data):
         try:
             previous_page_number = self.page.previous_page_number()
@@ -26,6 +87,10 @@ class StandardPagination(pagination.PageNumberPagination):
 
         return Response({
             'pagination': {
+                'links': {
+                    'next': self.get_next_link(),
+                    'previous': self.get_previous_link(),
+                },
                 'previous_page': previous_page_number,
                 'next_page': next_page_number,
                 'start_index': self.page.start_index(),

sapl/api/urls.py

@@ -1,6 +1,7 @@
-from django.conf import settings
+
 from django.conf.urls import include, url
-from rest_framework import permissions
+from drf_spectacular.views import SpectacularAPIView, SpectacularSwaggerView,\
+    SpectacularRedocView
 from rest_framework.routers import DefaultRouter
 
 from sapl.api.deprecated import MateriaLegislativaViewSet, SessaoPlenariaViewSet,\
@@ -28,8 +29,17 @@ for app, built_sets in SaplApiViewSetConstrutor._built_sets.items():
 
 urlpatterns_router = router.urls
 
-urlpatterns_api_doc = []
-if 'drf_yasg' in settings.INSTALLED_APPS:
+urlpatterns_api_doc = [
+    # Optional UI:
+    url('^schema/swagger-ui/',
+        SpectacularSwaggerView.as_view(url_name='sapl.api:schema_api'), name='swagger-ui'),
+    url('^schema/redoc/',
+        SpectacularRedocView.as_view(url_name='sapl.api:schema_api'), name='redoc'),
+    # YOUR PATTERNS
+    url('^schema/', SpectacularAPIView.as_view(), name='schema_api'),
+
+]
+"""if 'drf_yasg' in settings.INSTALLED_APPS:
     from drf_yasg import openapi
     from drf_yasg.views import get_schema_view
     schema_view = get_schema_view(
@@ -50,7 +60,7 @@ if 'drf_yasg' in settings.INSTALLED_APPS:
             schema_view.with_ui('swagger', cache_timeout=0), name='schema-swagger-ui'),
         url(r'^docs/redoc/$',
             schema_view.with_ui('redoc', cache_timeout=0), name='schema-redoc'),
-    ]
+    ]"""
 
 # TODO: refatorar para customização da api automática
 deprecated_urlpatterns_api = [

sapl/settings.py

@@ -81,7 +81,7 @@ INSTALLED_APPS = (
     'crispy_forms',
     'floppyforms',
 
-    'drf_yasg',
+    'drf_spectacular',
     'rest_framework',
     'rest_framework.authtoken',
     'django_filters',
@@ -160,12 +160,23 @@ REST_FRAMEWORK = {
         'rest_framework.authentication.TokenAuthentication',
         "rest_framework.authentication.SessionAuthentication",
     ),
+
+    'DEFAULT_SCHEMA_CLASS': 'sapl.api.core.schema.Schema',
+
     "DEFAULT_PAGINATION_CLASS": "sapl.api.pagination.StandardPagination",
+
     "DEFAULT_FILTER_BACKENDS": (
         "rest_framework.filters.SearchFilter",
         'django_filters.rest_framework.DjangoFilterBackend',
     ),
 }
+
+SPECTACULAR_SETTINGS = {
+    'TITLE': 'Sapl API - docs',
+    'DESCRIPTION': 'Sapl API  - Docs',
+    'VERSION': '1.0.0',
+}
+
 CACHES = {
     'default': {
         'BACKEND': 'speedinfo.backends.proxy_cache',