se modifica tabla paradero_imagen y corrige filtro

project/api/admin.py

@@ -1,4 +1,5 @@
 from django.contrib import admin
+from api import models
 # from .models import Usuario, Rol, UsuarioRol
 # from .models import Aplicacion, RolAplicacion
 # from .models import Persona, TipoTratamientoPersona
@@ -11,3 +12,7 @@ from django.contrib import admin
 # admin.site.register(Rol)
 # admin.site.register(RolAplicacion)
 # admin.site.register(Aplicacion)
+
+@admin.register(models.ParaderoImagen)
+class ParaderoImagenAdmin(admin.ModelAdmin):
+    search_fields = ('id_paradero',)

project/api/middlewares.py

@@ -23,12 +23,13 @@ class ApiMiddleware:
             return response
         
         match = resolve(request.path)
-
+        logging.error(match)
         # se omite esta regla al mostrar imagen de paradero
-        if match.url_name == 'paradero-image' and request.method == 'GET':
+        if match.url_name == 'paradero_imagen-detail' and request.method == 'GET':
             response = self.get_response(request)
             return response
 
+
         if not request.headers.get('Authorization'):
             return HttpResponse('Debe indicar el token de autorización', status = 400)
 

project/api/models.py

@@ -208,9 +208,10 @@ class Paradero(models.Model):
 
 
 class ParaderoImagen(models.Model):
-    id_paradero = models.OneToOneField(Paradero, models.DO_NOTHING, db_column='id_paradero', primary_key=True)
+    id_paradero_imagen = models.AutoField(primary_key=True)
-    imagen = models.BinaryField(blank=True, null=True)
+    id_paradero = models.ForeignKey(Paradero, models.DO_NOTHING, db_column='id_paradero', blank=False, null=False)
-    content_type = models.CharField(max_length=50, blank=True, null=True)
+    imagen = models.BinaryField(blank=False, null=False)
+    content_type = models.CharField(max_length=50, blank=False, null=False)
 
     class Meta:
         managed = False

project/api/serializers.py

@@ -54,6 +54,19 @@ class ParaderoSerializer(serializers.ModelSerializer):
         model = models.Paradero
         fields = '__all__'
 
+class ParaderoImagenSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = models.ParaderoImagen
+        fields = '__all__'
+
+    def to_representation(self, instance):
+        representation = super().to_representation(instance)
+        del representation['imagen']
+        request = self.context.get('request')
+        representation['url'] = request.build_absolute_uri(f'/api/paraderos-image/{instance.id_paradero_imagen}/')
+        return representation
+
+
 class OperadorSerializer(serializers.ModelSerializer):
     class Meta:
         model = models.Operador

project/api/urls.py

@@ -3,6 +3,7 @@ from rest_framework import routers
 # from api import views
 from api.views import usuario, auth, aplicacion, tipo, persona, comuna, region, paradero, rol, rolaplicacion
 from api.views import mapa, linea, operador
+from api.views import paradero_imagen
 
 router = routers.DefaultRouter()
 router.register('aplicaciones', aplicacion.AplicacionViewSet)
@@ -16,6 +17,7 @@ router.register('tipos/vehiculo', tipo.TipoVehiculoViewSet)
 router.register('comunas', comuna.ComunaViewSet)
 router.register('regiones', region.RegionViewSet)
 router.register('paraderos', paradero.ParaderoViewSet)
+router.register('paraderos-image', paradero_imagen.ParaderoImagenListView, basename='paradero_imagen')
 router.register('lineas', linea.LineaViewSet)
 router.register('operadores', operador.OperadorViewSet)
 router.register('roles', rol.RolViewSet)
@@ -26,5 +28,6 @@ urlpatterns = [
     path('auth/', auth.jwt_login, name='auth'),
     path('mapas/paraderos/', mapa.paraderos, name='mapa-paraderos'),
     path('mapas/rutas/', mapa.rutas, name='mapa-rutas'),
-    path('paraderos/image/<int:id>/', paradero.image, name='paradero-image')
+    # path('paraderos/image/', paradero.image, name='paradero-image-list'),
+    # path('paraderos/image/<int:id>/', paradero.image_one, name='paradero-image-one'),
 ]

project/api/views/mapa.py

@@ -7,7 +7,6 @@ from django.db.models.functions import Coalesce
 
 from ..models import Paradero, ParaderoImagen
 from ..models import Linea, GtfsShape, GtfsTrips
-from .paradero import url_image_paradero
 from logging import error
 
 google_api_key = 'AIzaSyDnFO9w_SsodjBuY5tOK8-kQJns_l5klQ4'
@@ -22,7 +21,6 @@ def paraderos(request):
 
     paraderos = Paradero.objects.all()
     for p in paraderos:
-        url_image = url_image_paradero(request, p.id_paradero)
         
         marks.append({
             'position': { 'lat': p.stop_lat, 'lng': p.stop_lon },
@@ -31,7 +29,6 @@ def paraderos(request):
             'location': p.stop_name,
             'id_comuna': p.id_comuna,
             'id_tipo_paradero': p.id_tipo_paradero,
-            'url_image': url_image
         })
 
     return JsonResponse({

project/api/views/paradero.py

@@ -1,7 +1,9 @@
-from rest_framework import viewsets
+from rest_framework import viewsets, filters
 from rest_framework.decorators import action, schema, api_view
 from rest_framework.parsers import MultiPartParser
+from rest_framework.generics import ListAPIView
 from django.http import JsonResponse, HttpResponse
+from django_filters.rest_framework import DjangoFilterBackend
 
 from .. import models, serializers
 from ..schemas import ParaderoImageSchema
@@ -14,48 +16,36 @@ class ParaderoViewSet(viewsets.ModelViewSet):
     queryset = models.Paradero.objects.all()
     serializer_class = serializers.ParaderoSerializer
 
+# class ParaderoImagenListView(ListAPIView):
+#     queryset = models.ParaderoImagen.objects.all()
+#     serializer_class = serializers.ParaderoImagenSerializer
+#     filter_backends = [filters.SearchFilter]
+#     search_fields = ['id_paradero']
 
-@action(detail=False, methods=['GET','POST'], parser_classes=[MultiPartParser])
-@api_view(['GET','POST'])
-@schema(ParaderoImageSchema())
-def image(request, id):
-    if request.method == 'GET':
-        paradero_imagen = models.ParaderoImagen.objects.filter(id_paradero = id).first()
-        if not paradero_imagen:
-            return HttpResponse('')
 
-        response = HttpResponse(content_type=paradero_imagen.content_type)
+
-        response.write(paradero_imagen.imagen)
+
+"""
+    def retrieve(self, request, pk):
+        data = models.ParaderoImagen.objects.filter(id_paradero_imagen = pk).first()
+        response = HttpResponse(content_type=data.content_type)
+        response['Content-Disposition'] = 'inline'
+        response.write(data.imagen)
         return response
 
-    if request.method == 'POST':
+    def create(self, request, pk = None):
-        paradero = models.Paradero.objects.filter(id_paradero = id).first()
         imagen = request.FILES['imagen']
+        id_paradero = request.data.get('id_paradero')
         content_type = imagen.content_type
         imagen_bytea = imagen.read()
 
-        paradero_imagen = models.ParaderoImagen.objects.filter(id_paradero = id).first()
+        paradero = models.Paradero.objects.filter(id_paradero = id_paradero).first()
-        if not paradero_imagen:
+
         paradero_imagen = models.ParaderoImagen(
             id_paradero = paradero,
             imagen = imagen_bytea,
             content_type = content_type
         )
         paradero_imagen.save()
-        else:
+        return JsonResponse({ 'ok': True })
-            paradero_imagen.imagen = imagen_bytea
+"""
-            paradero_imagen.content_type = content_type
-            paradero_imagen.save()
-
-        return JsonResponse({
-            'id_paradero': paradero.id_paradero,
-            'stop_name': paradero.stop_name,
-            'url_image': url_image_paradero(request, id)
-        })
-
-
-def url_image_paradero(request, id):
-    paradero_imagen = models.ParaderoImagen.objects.filter(id_paradero = id).first()
-    if not paradero_imagen:
-        return None
-    return request.build_absolute_uri(f'/api/paraderos/image/{id}/')

project/api/views/paradero_imagen.py

@@ -0,0 +1,18 @@
+from rest_framework import generics, viewsets
+from django_filters.rest_framework import DjangoFilterBackend
+from django.http import HttpResponse
+from api.models import ParaderoImagen
+from api.serializers import ParaderoImagenSerializer
+
+class ParaderoImagenListView(generics.ListAPIView, viewsets.ModelViewSet):
+    queryset = ParaderoImagen.objects.all()
+    serializer_class = ParaderoImagenSerializer
+    filter_backends = [DjangoFilterBackend]
+    filterset_fields = ['id_paradero', 'content_type']
+
+    def retrieve(self, request, pk):
+        data = ParaderoImagen.objects.filter(id_paradero_imagen = pk).first()
+        response = HttpResponse(content_type=data.content_type)
+        response['Content-Disposition'] = 'inline'
+        response.write(data.imagen)
+        return response

project/dist/index.html

@@ -4,7 +4,7 @@
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>...</title>
-    <script type="module" crossorigin src="/assets/index-4e307889.js"></script>
+    <script type="module" crossorigin src="/assets/index-d0529d6c.js"></script>
     <link rel="stylesheet" href="/assets/index-2d1bb0fd.css">
   </head>
   <body>

project/project/settings.py

@@ -41,6 +41,7 @@ INSTALLED_APPS = [
     'rest_framework',
     'coreapi',
     'corsheaders',
+    'django_filters',
     'api',
 ]
 
@@ -139,7 +140,7 @@ DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
 REST_FRAMEWORK = {
     'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.coreapi.AutoSchema',
     'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.LimitOffsetPagination',
-    'DEFAULT_FILTER_BACKENDS': ['rest_framework.filters.OrderingFilter'],
+    'DEFAULT_FILTER_BACKENDS': ['django_filters.rest_framework.DjangoFilterBackend', 'rest_framework.filters.OrderingFilter'],
 }
 CORS_ORIGIN_ALLOW_ALL = False
 CORS_ORIGIN_WHITELIST = [

project/project/urls.py

@@ -15,7 +15,7 @@ Including another URLconf
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
 
-# from django.contrib import admin
+from django.contrib import admin
 from django.urls import path, include
 from rest_framework.documentation import include_docs_urls
 from django.conf import settings
@@ -27,7 +27,7 @@ urlpatterns = [
     path('', frontend, name='home'),
 
     # BACKEND
-    # path('admin/', admin.site.urls),
+    path('admin/', admin.site.urls),
     path('api/', include('api.urls')),
     path('docs/', include_docs_urls(title = 'API Documentation')),
 ]

requirements.txt

@@ -2,6 +2,7 @@ Django
 psycopg2-binary
 djangorestframework
 django-cors-headers
+django-filter
 coreapi
 python-decouple
 PyJWT

rest/login.rest

@@ -19,3 +19,8 @@ Authorization: Bearer {{token}}
 ###
 GET {{server}}/aplicaciones/?ordering=-id_aplicacion
 Authorization: Bearer {{token}}
+
+
+###
+GET {{server}}/paraderos-image/??id_paradero=42318
+Authorization: Bearer {{token}}