Working Sampler and samples routes working

Signed-off-by: Felipe Cardoso <felipe.cardoso@hotmail.it>

backend/app/api/routes/samples.py

@@ -1,6 +1,7 @@
 from typing import List
 
 from fastapi import APIRouter, HTTPException, Query
+from fastapi.responses import Response
 
 from app.models.sample import Sample
 from app.services.sample_manager import SampleManager
@@ -8,7 +9,6 @@ from app.services.sample_manager import SampleManager
 router = APIRouter()
 sample_manager = SampleManager()
 
-
 @router.get("/list", response_model=List[Sample])
 async def list_samples(
         limit: int = Query(20, ge=1, le=100),
@@ -22,9 +22,10 @@ async def list_samples(
     except Exception as e:
         raise HTTPException(status_code=500, detail=str(e))
 
-
 @router.get("/latest", response_model=List[Sample])
-async def get_latest_samples(count: int = Query(5, ge=1, le=20)):
+async def get_latest_samples(
+        count: int = Query(5, ge=1, le=20)
+):
     """
     Get the most recent sample images
     """
@@ -32,3 +33,28 @@ async def get_latest_samples(count: int = Query(5, ge=1, le=20)):
         return await sample_manager.get_latest_samples(count)
     except Exception as e:
         raise HTTPException(status_code=500, detail=str(e))
+
+
+@router.get("/image/{filename}")
+async def get_sample_image(filename: str):
+    """
+    Get a specific sample image
+    """
+    try:
+        image_data = await sample_manager.get_sample_data(filename)
+
+        # Try to determine content type from filename
+        content_type = "image/jpeg"  # default
+        if filename.lower().endswith('.png'):
+            content_type = "image/png"
+        elif filename.lower().endswith('.gif'):
+            content_type = "image/gif"
+
+        return Response(
+            content=bytes(image_data),
+            media_type=content_type
+        )
+    except HTTPException:
+        raise
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))