Add new utility modules and update imports in `services/ai_agent.py`

* **New utility modules**
- Add `fetch_product_data_from_api` function to `utils/fetch_data.py`
- Add `save_json_file` function to `utils/file_operations.py`
- Add `extract_text_from_image` and `detect_barcode_from_image` functions to `utils/image_processing.py`

* **Update imports**
- Update import statement for `fetch_product_data_from_api` to `utils/fetch_data.py`
- Update import statement for `save_json_file` to `utils/file_operations.py`

* **Remove old utility module**
- Delete `utils.py`

services/ai_agent.py

@@ -1,6 +1,7 @@
 from sqlalchemy.orm import Session
 from fastapi import HTTPException
-from utils import fetch_product_data_from_api, save_json_file
+from utils.fetch_data import fetch_product_data_from_api
+from utils.file_operations import save_json_file
 from models.ingredient import Ingredient
 from models.product import Product
 from services.ingredients import get_ingredient_by_name, save_ingredient_data, fetch_ingredient_data_from_api

utils/fetch_data.py

@@ -0,0 +1,9 @@
+import requests
+from fastapi import HTTPException
+
+def fetch_product_data_from_api(barcode):
+    url = f"https://india.openfoodfacts.org/api/v2/product/{barcode}.json"
+    response = requests.get(url)
+    if response.status_code != 200:
+        raise HTTPException(status_code=response.status_code, detail=f"Failed to fetch data for barcode {barcode}")
+    return response.json()

utils/file_operations.py

@@ -0,0 +1,8 @@
+import json
+import os
+
+def save_json_file(item, data):
+    os.makedirs("v2", exist_ok=True)
+    with open(f"v2/{item}.json", "w") as file:
+        json.dump(data, file)
+    print(f"Saved {item}.json")

utils.py → utils/image_processing.py

@@ -1,23 +1,6 @@
-import json
-import os
-import requests
-from fastapi import HTTPException
 import cv2
 import pytesseract
 
-def fetch_product_data_from_api(barcode):
-    url = f"https://india.openfoodfacts.org/api/v2/product/{barcode}.json"
-    response = requests.get(url)
-    if response.status_code != 200:
-        raise HTTPException(status_code=response.status_code, detail=f"Failed to fetch data for barcode {barcode}")
-    return response.json()
-
-def save_json_file(item, data):
-    os.makedirs("v2", exist_ok=True)
-    with open(f"v2/{item}.json", "w") as file:
-        json.dump(data, file)
-    print(f"Saved {item}.json")
-
 def extract_text_from_image(image_path):
     image = cv2.imread(image_path)
     gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)