sync

backend/app/services/gpx.py

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+import os
+import uuid
+import logging
+from fastapi import UploadFile, HTTPException
+import gpxpy
+from app.config import settings
+
+logger = logging.getLogger(__name__)
+
+async def store_gpx_file(file: UploadFile) -> str:
+    """Store uploaded GPX file and return path"""
+    try:
+        file_ext = os.path.splitext(file.filename)[1]
+        if file_ext.lower() != '.gpx':
+            raise HTTPException(status_code=400, detail="Invalid file type")
+        
+        file_name = f"{uuid.uuid4()}{file_ext}"
+        file_path = os.path.join(settings.GPX_STORAGE_PATH, file_name)
+        
+        # Ensure storage directory exists
+        os.makedirs(os.path.dirname(file_path), exist_ok=True)
+        
+        # Save file
+        with open(file_path, "wb") as f:
+            f.write(await file.read())
+            
+        return file_path
+    except Exception as e:
+        logger.error(f"Error storing GPX file: {e}")
+        raise HTTPException(status_code=500, detail="Error storing file")
+
+async def parse_gpx(file_path: str) -> dict:
+    """Parse GPX file and extract key metrics"""
+    try:
+        with open(file_path, 'r') as f:
+            gpx = gpxpy.parse(f)
+            
+        total_distance = 0.0
+        elevation_gain = 0.0
+        points = []
+        
+        for track in gpx.tracks:
+            for segment in track.segments:
+                total_distance += segment.length_3d()
+                for i in range(1, len(segment.points)):
+                    elevation_gain += max(0, segment.points[i].elevation - segment.points[i-1].elevation)
+                
+                points = [{
+                    'lat': point.latitude,
+                    'lon': point.longitude,
+                    'ele': point.elevation,
+                    'time': point.time.isoformat() if point.time else None
+                } for point in segment.points]
+        
+        return {
+            'total_distance': total_distance,
+            'elevation_gain': elevation_gain,
+            'points': points
+        }
+    except Exception as e:
+        logger.error(f"Error parsing GPX file: {e}")
+        raise HTTPException(status_code=500, detail="Error parsing GPX file")