chore: get public url

Author: lethanhdat762003

common/apps/upload_file/service.py

@@ -26,7 +26,12 @@ def _get_s3_client():
 
 
 def put_presigned_url(
-    bucket_name, file_name, content_type, org_slug, visibility="private", expiration=3600
+    bucket_name,
+    file_name,
+    content_type,
+    org_slug,
+    visibility="private",
+    expiration=3600,
 ):
     """
     Generate a presigned URL for PUT upload to S3.
@@ -71,6 +76,23 @@ def put_presigned_url(
         return None
 
 
+def get_public_url(bucket_name, file_path):
+    """
+    Build a permanent public URL for a public S3 object.
+
+    Args:
+        bucket_name: S3 bucket name.
+        file_path: Full S3 key starting with 'public/'.
+
+    Returns:
+        Permanent public URL string.
+    """
+    aws_config = getattr(settings, "AWS_S3", {})
+    region = aws_config.get("AWS_REGION", "us-east-1")
+    key = normalize_s3_key(file_path)
+    return f"https://{bucket_name}.s3.{region}.amazonaws.com/{key}"
+
+
 def get_presigned_url(bucket_name, file_path, expiration=3600):
     """
     Generate a presigned GET URL for an S3 object.

common/apps/upload_file/views.py

@@ -1,12 +1,16 @@
 from django.conf import settings
+from drf_yasg.utils import swagger_auto_schema
 from rest_framework import status
 from rest_framework.permissions import AllowAny
 from rest_framework.response import Response
 from rest_framework.views import APIView
-from drf_yasg.utils import swagger_auto_schema
 
 from common.apps.upload_file.serializers import PresignedUploadSerializer
-from common.apps.upload_file.service import get_presigned_url, put_presigned_url
+from common.apps.upload_file.service import (
+    get_presigned_url,
+    get_public_url,
+    put_presigned_url,
+)
 
 
 def _resolve_org_slug(request):
@@ -37,7 +41,10 @@ class PutPresignedURL(APIView):
 
     @swagger_auto_schema(
         request_body=PresignedUploadSerializer,
-        responses={200: "Presigned URL generated successfully", 500: "Internal server error"},
+        responses={
+            200: "Presigned URL generated successfully",
+            500: "Internal server error",
+        },
     )
     def post(self, request):
         serializer = PresignedUploadSerializer(data=request.data)
@@ -79,14 +86,19 @@ def get(self, request, file_path):
                 status=status.HTTP_403_FORBIDDEN,
             )
 
-        if file_path.startswith("private/") and not request.user.is_authenticated:
+        aws_s3_config = getattr(settings, "AWS_S3", {})
+        bucket_name = aws_s3_config.get("AWS_STORAGE_BUCKET_NAME")
+
+        if file_path.startswith("public/"):
+            url = get_public_url(bucket_name, file_path)
+            return Response({"url": url}, status=status.HTTP_200_OK)
+
+        if not request.user.is_authenticated:
             return Response(
                 {"error": "Authentication required for private files."},
                 status=status.HTTP_401_UNAUTHORIZED,
             )
 
-        aws_s3_config = getattr(settings, "AWS_S3", {})
-        bucket_name = aws_s3_config.get("AWS_STORAGE_BUCKET_NAME")
         url = get_presigned_url(bucket_name, file_path)
 
         if url is not None: