Add Delete expense endpoint for deleting user entries by user_id

main.py

@@ -719,6 +719,40 @@ async def not_found_handler(request: Request, exc):
 async def internal_error_handler(request: Request, exc):
     return ORJSONResponse(status_code=500, content={"error": "Internal server error: " + str(exc)})
 
+# Delete user's Expenses
+@app.delete("/expenses/{user_id}", response_class=ORJSONResponse)
+async def delete_user_expenses(user_id: str):
+    if not user_id:
+        return ORJSONResponse(
+            status_code=400,
+            content={"error": "User ID is required"}
+        )
+
+    try:
+        conn = psycopg2.connect(DATABASE_URL)
+        cur = conn.cursor()
+               
+        # Delete all entries for the user
+        cur.execute("DELETE FROM user_entries WHERE user_id = %s", (user_id,))
+        conn.commit()
+        
+        cur.close()
+        conn.close()
+        
+        return ORJSONResponse(
+            status_code=200,
+            content={
+                "message": "User entries deleted successfully",
+                "deleted_count": count
+            }
+        )
+        
+    except Exception as e:
+        return ORJSONResponse(
+            status_code=500,
+            content={"error": f"Database error: {str(e)}"}
+        )
+    
 # List expenses of user by id
 @app.get("/expenses/{user_id}", response_class=ORJSONResponse)
 async def get_user_expenses(user_id: str):