From fad0c3eb5745fbb253995bd649a4ad860bfff163 Mon Sep 17 00:00:00 2001
From: la3679 <la3679@g.rit.edu>
Date: Wed, 17 Apr 2024 21:05:22 -0400
Subject: [PATCH] updated the user fav api and import statemets in the files to
 resolve the issues

---
 PCP/server/src/api/categories_api.py     | 20 ++++-----
 PCP/server/src/api/login_api.py          | 22 +++++-----
 PCP/server/src/api/logout_api.py         | 20 ++++-----
 PCP/server/src/api/prices_api.py         | 19 ++++----
 PCP/server/src/api/products_api.py       | 19 ++++----
 PCP/server/src/api/retailer_api.py       | 19 ++++----
 PCP/server/src/api/signup_api.py         | 15 +++----
 PCP/server/src/api/user_detail_api.py    | 21 ++++-----
 PCP/server/src/api/user_favorites_api.py | 55 +++++++++++++++++++-----
 PCP/server/src/db/categories.py          | 18 +++-----
 PCP/server/src/db/login.py               | 19 +++-----
 PCP/server/src/db/logout.py              | 23 +++-------
 PCP/server/src/db/prices.py              | 14 ++----
 PCP/server/src/db/products.py            | 15 ++-----
 PCP/server/src/db/retailers.py           | 14 ++----
 PCP/server/src/db/signup.py              | 18 +++-----
 PCP/server/src/db/user_details.py        | 19 ++------
 PCP/server/src/db/user_favorites.py      | 14 +++---
 PCP/server/src/model/amazon.py           | 17 ++++----
 PCP/server/src/model/user.py             |  7 +--
 PCP/server/src/server.py                 | 48 +++++++++++----------
 21 files changed, 194 insertions(+), 242 deletions(-)

diff --git a/PCP/server/src/api/categories_api.py b/PCP/server/src/api/categories_api.py
index b6d1035..7ece1f2 100644
--- a/PCP/server/src/api/categories_api.py
+++ b/PCP/server/src/api/categories_api.py
@@ -1,16 +1,14 @@
-from flask import make_response
-from flask_restful import Resource
-from flask import jsonify
-from flask_restful import request
-from flask_restful import reqparse
-import json
+from flask import Flask, jsonify, make_response, request
+from flask_restful import Api, Resource
 
+# Import only necessary functions from the database utility and category modules
 try:
-    from src.utilities.swen_344_db_utils import *
-    from src.db.categories import *
-except:
-    from utilities.swen_344_db_utils import *
-    from db.categories import *
+    from src.utilities.swen_344_db_utils import exec_get_all, exec_get_one
+    from src.db.categories import get_all_categories, get_category_by_id, search_categories
+except ImportError:
+    from utilities.swen_344_db_utils import exec_get_all, exec_get_one
+    from db.categories import get_all_categories, get_category_by_id, search_categories
+
     
 class ProductCategories(Resource):
     def get(self):
diff --git a/PCP/server/src/api/login_api.py b/PCP/server/src/api/login_api.py
index 8244710..1311cf2 100644
--- a/PCP/server/src/api/login_api.py
+++ b/PCP/server/src/api/login_api.py
@@ -3,19 +3,17 @@
 
 These endpoints handle user registration and login functionality.
 """
-from flask import make_response
-from flask_restful import Resource
-from flask import jsonify
-from flask_restful import request
-from flask_restful import reqparse
-import json
-import hashlib  # Importing hashlib module for password hashing
+from flask import Flask, jsonify, make_response
+from flask_restful import Api, Resource, reqparse
+import hashlib  # Used for password hashing
+
+# Try to import the necessary functions and classes explicitly
 try:
-    from src.utilities.swen_344_db_utils import *
-    from src.db.login import *
-except:
-    from db.login import *
-    from utilities.swen_344_db_utils import *
+    from src.utilities.swen_344_db_utils import exec_get_all  # Assuming this function is used within check_user_credentials
+    from src.db.login import check_user_credentials  # Ensure this is the correct function used for login logic
+except ImportError:
+    from utilities.swen_344_db_utils import exec_get_all
+    from db.login import check_user_credentials
 
 class LoginAPI(Resource):
     """
diff --git a/PCP/server/src/api/logout_api.py b/PCP/server/src/api/logout_api.py
index 069b354..ad5d77e 100644
--- a/PCP/server/src/api/logout_api.py
+++ b/PCP/server/src/api/logout_api.py
@@ -3,18 +3,16 @@
 
 These endpoints handle user registration and login functionality.
 """
-from flask import make_response
-from flask_restful import Resource
-from flask import jsonify
-from flask_restful import request
-from flask_restful import reqparse
-import json
+from flask import Flask, jsonify, make_response, request
+from flask_restful import Api, Resource, reqparse
+
+# Import only the necessary functions from utilities and logout db module
 try:
-    from src.utilities.swen_344_db_utils import *
-    from src.db.logout import *
-except:
-    from utilities.swen_344_db_utils import *
-    from db.logout import *
+    from src.utilities.swen_344_db_utils import exec_commit
+    from src.db.logout import user_logout  # Assuming user_logout function handles the logout process
+except ImportError:
+    from utilities.swen_344_db_utils import exec_commit
+    from db.logout import user_logout
 
 
 class LogoutAPI(Resource):
diff --git a/PCP/server/src/api/prices_api.py b/PCP/server/src/api/prices_api.py
index 1ed0bb2..bc0016e 100644
--- a/PCP/server/src/api/prices_api.py
+++ b/PCP/server/src/api/prices_api.py
@@ -1,16 +1,13 @@
-from flask import make_response
-from flask_restful import Resource
-from flask import jsonify
-from flask_restful import request
-from flask_restful import reqparse
-import json
+from flask import Flask, jsonify, make_response
+from flask_restful import Api, Resource, reqparse
 
+# Import only necessary functions from the utilities and price database module
 try:
-    from src.utilities.swen_344_db_utils import *
-    from src.db.prices import *
-except:
-    from utilities.swen_344_db_utils import *
-    from db.prices import *
+    from src.utilities.swen_344_db_utils import exec_get_all
+    from src.db.prices import get_prices_by_product, get_all_prices
+except ImportError:
+    from utilities.swen_344_db_utils import exec_get_all
+    from db.prices import get_prices_by_product, get_all_prices
     
     
 class PricesByProduct(Resource):
diff --git a/PCP/server/src/api/products_api.py b/PCP/server/src/api/products_api.py
index 20ab55a..d69b355 100644
--- a/PCP/server/src/api/products_api.py
+++ b/PCP/server/src/api/products_api.py
@@ -1,16 +1,13 @@
-from flask import make_response
-from flask_restful import Resource
-from flask import jsonify
-from flask_restful import request
-from flask_restful import reqparse
-import json
+from flask import Flask, jsonify, make_response, request
+from flask_restful import Api, Resource
 
+# Import only the necessary functions from the utilities and products database module
 try:
-    from src.utilities.swen_344_db_utils import *
-    from src.db.products import get_all_products,get_product_by_id,search_products
-except:
-    from utilities.swen_344_db_utils import *
-    from db.products import get_all_products,get_product_by_id,search_products
+    from src.utilities.swen_344_db_utils import exec_get_all  # Assuming exec_get_all is used within your product functions
+    from src.db.products import get_all_products, get_product_by_id, search_products
+except ImportError:
+    from utilities.swen_344_db_utils import exec_get_all
+    from db.products import get_all_products, get_product_by_id, search_products
     
 class Products(Resource):
     def get(self):
diff --git a/PCP/server/src/api/retailer_api.py b/PCP/server/src/api/retailer_api.py
index a59e21c..32646da 100644
--- a/PCP/server/src/api/retailer_api.py
+++ b/PCP/server/src/api/retailer_api.py
@@ -1,16 +1,13 @@
-from flask import make_response
-from flask_restful import Resource
-from flask import jsonify
-from flask_restful import request
-from flask_restful import reqparse
-import json
+from flask import Flask, jsonify, make_response
+from flask_restful import Api, Resource, request
 
+# Import only the necessary functions from the utilities and retailer database module
 try:
-    from src.utilities.swen_344_db_utils import *
-    from src.db.retailers import *
-except:
-    from utilities.swen_344_db_utils import *
-    from db.retailers import *
+    from src.utilities.swen_344_db_utils import exec_get_all  # Assuming exec_get_all is used within retailer functions
+    from src.db.retailers import get_all_retailers, get_retailer_by_id
+except ImportError:
+    from utilities.swen_344_db_utils import exec_get_all
+    from db.retailers import get_all_retailers, get_retailer_by_id
     
     
 class Retailers(Resource):
diff --git a/PCP/server/src/api/signup_api.py b/PCP/server/src/api/signup_api.py
index b658d60..644404d 100644
--- a/PCP/server/src/api/signup_api.py
+++ b/PCP/server/src/api/signup_api.py
@@ -1,14 +1,11 @@
-from flask import make_response
-from flask_restful import Resource
-from flask import jsonify
-from flask_restful import request
-from flask_restful import reqparse
-import json
+from flask import Flask, jsonify, make_response
+from flask_restful import Api, Resource, reqparse
 
+# Import only the necessary functions from the signup module
 try:
-    from src.db.signup import *
-except:
-    from db.signup import *
+    from src.db.signup import user_signup, list_info_items
+except ImportError:
+    from db.signup import user_signup, list_info_items
 
 class SignUpApi(Resource):
     def get(self):
diff --git a/PCP/server/src/api/user_detail_api.py b/PCP/server/src/api/user_detail_api.py
index 03ae874..87c710f 100644
--- a/PCP/server/src/api/user_detail_api.py
+++ b/PCP/server/src/api/user_detail_api.py
@@ -3,19 +3,16 @@
 
 These endpoints handle user registration and login functionality.
 """
-from flask import make_response
-from flask_restful import Resource
-from flask import jsonify
-from flask_restful import request
-from flask_restful import reqparse
-import json
-import hashlib  # Importing hashlib module for passwo
+from flask import Flask, jsonify, make_response, request
+from flask_restful import Api, Resource
+
+# Import only necessary functions from the utilities and user_details database module
 try:
-    from src.utilities.swen_344_db_utils import *
-    from src.db.user_details import *
-except:
-    from utilities.swen_344_db_utils import *
-    from db.user_details import *
+    from src.utilities.swen_344_db_utils import exec_get_one
+    from src.db.user_details import verify_session_key, list_user_detail
+except ImportError:
+    from utilities.swen_344_db_utils import exec_get_one
+    from db.user_details import verify_session_key, list_user_detail
 
 class UserDetail(Resource):
     def get(self):
diff --git a/PCP/server/src/api/user_favorites_api.py b/PCP/server/src/api/user_favorites_api.py
index 9ace963..41872cc 100644
--- a/PCP/server/src/api/user_favorites_api.py
+++ b/PCP/server/src/api/user_favorites_api.py
@@ -3,26 +3,59 @@
 from flask import jsonify
 from flask_restful import request
 from flask_restful import reqparse
-import json
 
 try:
-    from src.utilities.swen_344_db_utils import *
-    from src.db.user_favorites import *
-except:
-    from utilities.swen_344_db_utils import *
-    from db.user_favorites import *
+    from src.utilities.swen_344_db_utils import exec_get_all
+    from src.db.user_favorites import add_user_favorite, get_user_favorites,delete_user_favorite
+except ImportError:
+    from utilities.swen_344_db_utils import exec_get_all
+    from db.user_favorites import add_user_favorite, get_user_favorites,delete_user_favorite
     
 
+def verify_session_key(session_key):
+    """Check the session key and return the user ID if valid."""
+    query = "SELECT user_id FROM user_authentication WHERE session_key = %s;"
+    result = exec_get_all(query, (session_key,))
+    return result[0][0] if result else None
+
 class UserFavorites(Resource):
     def post(self):
+        session_key = request.headers.get('X-Session-Key')
+        if not session_key:
+            return {"message": "No session key provided."}, 401
+
+        user_id = verify_session_key(session_key)
+        if not user_id:
+            return {"message": "Invalid session key."}, 401
+
         parser = reqparse.RequestParser()
-        parser.add_argument('user_id', type=int, required=True, help="User ID cannot be blank!")
         parser.add_argument('product_id', type=int, required=True, help="Product ID cannot be blank!")
         args = parser.parse_args()
-        add_user_favorite(args['user_id'], args['product_id'])
+        
+        add_user_favorite(user_id, args['product_id'])
         return make_response(jsonify({'message': 'Favorite product added successfully'}), 201)
-    
+
 class UserFavoritesById(Resource):
-    def get(self, user_id):
+    def get(self):
+        session_key = request.headers.get('X-Session-Key')
+        if not session_key:
+            return {"message": "No session key provided."}, 401
+
+        user_id = verify_session_key(session_key)
+        if not user_id:
+            return {"message": "Invalid session key."}, 401
+
         favorites = get_user_favorites(user_id)
-        return jsonify([{'FavoriteID': fav[4], 'ProductID': fav[0], 'ProductName': fav[1], 'ProductDescription': fav[2], 'ImageURL': fav[3]} for fav in favorites])
\ No newline at end of file
+        return jsonify([{'FavoriteID': fav[4], 'ProductID': fav[0], 'ProductName': fav[1], 'ProductDescription': fav[2], 'ImageURL': fav[3]} for fav in favorites])
+    
+    def delete(self, product_id):
+        session_key = request.headers.get('X-Session-Key')
+        if not session_key:
+            return {"message": "No session key provided."}, 401
+
+        user_id = verify_session_key(session_key)
+        if not user_id:
+            return {"message": "Invalid session key."}, 401
+
+        delete_user_favorite(user_id, product_id)
+        return make_response(jsonify({'message': 'Favorite product deleted successfully'}), 204)
\ No newline at end of file
diff --git a/PCP/server/src/db/categories.py b/PCP/server/src/db/categories.py
index 96a15ce..00d11b6 100644
--- a/PCP/server/src/db/categories.py
+++ b/PCP/server/src/db/categories.py
@@ -1,16 +1,12 @@
-import psycopg2
-import yaml
+import os 
+from psycopg2 import connect
 import pandas as pd
-import numpy as np
-import sys
-import os
+
+# Import only necessary functions from your utility module
 try:
-    from src.api.categories_api import *
-    from src.utilities.swen_344_db_utils import *
-except:
-    from api.categories_api import *
-    from utilities.swen_344_db_utils import *
-    
+    from src.utilities.swen_344_db_utils import exec_get_all, exec_get_one
+except ImportError:
+    from utilities.swen_344_db_utils import exec_get_all, exec_get_one
     
 def get_all_categories():
     """Fetches all records from the produtcategories table."""
diff --git a/PCP/server/src/db/login.py b/PCP/server/src/db/login.py
index 4d5cced..246e89f 100644
--- a/PCP/server/src/db/login.py
+++ b/PCP/server/src/db/login.py
@@ -1,20 +1,11 @@
-import psycopg2
-import yaml
 import os
 import pandas as pd
-import numpy as np
-import sys
-import os
-try:
-    from src.api.login_api import *
-    from src.utilities.swen_344_db_utils import *
-    from src.model.user import *
-except:
-    from api.login_api import *
-    from utilities.swen_344_db_utils import *
-    from model.user import *
-
+from psycopg2 import connect  # Import psycopg2 if you need it for database operations, otherwise remove it
 
+try:
+    from src.utilities.swen_344_db_utils import exec_get_all, exec_get_one, exec_commit
+except ImportError:
+    from utilities.swen_344_db_utils import exec_get_all, exec_get_one, exec_commit
 
 def list_info_items():
     """Fetches all records from the User table."""
diff --git a/PCP/server/src/db/logout.py b/PCP/server/src/db/logout.py
index 2055cd3..7487d1c 100644
--- a/PCP/server/src/db/logout.py
+++ b/PCP/server/src/db/logout.py
@@ -1,20 +1,11 @@
-import psycopg2
-import yaml
-import os
-import pandas as pd
-import numpy as np
-import sys
-import os
+import secrets  # Include only if you're generating new session keys or similar
+from psycopg2 import connect  # Include this only if you're directly using psycopg2 for connections in other parts of your script
+
+# Import only necessary functions from your utilities and models
 try:
-    from src.api.logout_api import *
-    from src.utilities.swen_344_db_utils import *
-    from src.model.user import *
-except:
-    from api.logout_api import *
-    from utilities.swen_344_db_utils import *
-    from model.user import *
-import hashlib
-import secrets
+    from src.utilities.swen_344_db_utils import exec_commit
+except ImportError:
+    from utilities.swen_344_db_utils import exec_commit
 
 def user_logout(kwargs):
     session_key = kwargs.get('session_key')
diff --git a/PCP/server/src/db/prices.py b/PCP/server/src/db/prices.py
index 6e16d18..cab7190 100644
--- a/PCP/server/src/db/prices.py
+++ b/PCP/server/src/db/prices.py
@@ -1,15 +1,7 @@
-import psycopg2
-import yaml
-import pandas as pd
-import numpy as np
-import sys
-import os
 try:
-    from src.api.prices_api import *
-    from src.utilities.swen_344_db_utils import *
-except:
-    from api.prices_api import *
-    from utilities.swen_344_db_utils import *
+    from src.utilities.swen_344_db_utils import exec_get_all
+except ImportError:
+    from utilities.swen_344_db_utils import exec_get_all
     
 def get_prices_by_product(product_id):
     sql = """
diff --git a/PCP/server/src/db/products.py b/PCP/server/src/db/products.py
index a560c6c..b0080ce 100644
--- a/PCP/server/src/db/products.py
+++ b/PCP/server/src/db/products.py
@@ -1,16 +1,7 @@
-import psycopg2
-import yaml
-import pandas as pd
-import numpy as np
-import sys
-import os
 try:
-    # from src.api.products_api import *
-    from src.utilities.swen_344_db_utils import *
-except:
-    # from api.products_api import *
-    from utilities.swen_344_db_utils import *
-    
+    from src.utilities.swen_344_db_utils import exec_get_all, exec_get_one
+except ImportError:
+    from utilities.swen_344_db_utils import exec_get_all, exec_get_one
 
 def get_all_products():
     """Fetches all records from the Products table."""
diff --git a/PCP/server/src/db/retailers.py b/PCP/server/src/db/retailers.py
index f4002b2..c5f19ff 100644
--- a/PCP/server/src/db/retailers.py
+++ b/PCP/server/src/db/retailers.py
@@ -1,15 +1,7 @@
-import psycopg2
-import yaml
-import pandas as pd
-import numpy as np
-import sys
-import os
 try:
-    from src.api.retailer_api import *
-    from src.utilities.swen_344_db_utils import *
-except:
-    from api.retailer_api import *
-    from utilities.swen_344_db_utils import *
+    from src.utilities.swen_344_db_utils import exec_get_all, exec_get_one
+except ImportError:
+    from utilities.swen_344_db_utils import exec_get_all, exec_get_one
     
 
 def get_all_retailers():
diff --git a/PCP/server/src/db/signup.py b/PCP/server/src/db/signup.py
index dd0fb78..dd071dd 100644
--- a/PCP/server/src/db/signup.py
+++ b/PCP/server/src/db/signup.py
@@ -1,18 +1,10 @@
-import psycopg2
-import yaml
-import os
-import pandas as pd
-import numpy as np
-import sys
-import os
-try:
-    from src.api.signup_api import *
-    from src.utilities.swen_344_db_utils import *
-except:
-    from api.signup_api import *
-    from utilities.swen_344_db_utils import *
+# Import only necessary modules and functions
 import hashlib
 import secrets
+try:
+    from src.utilities.swen_344_db_utils import exec_get_all, exec_commit
+except ImportError:
+    from utilities.swen_344_db_utils import exec_get_all, exec_commit
 
 
 
diff --git a/PCP/server/src/db/user_details.py b/PCP/server/src/db/user_details.py
index 6e7317e..4fd974b 100644
--- a/PCP/server/src/db/user_details.py
+++ b/PCP/server/src/db/user_details.py
@@ -1,20 +1,9 @@
-import psycopg2
-import yaml
-import os
-import pandas as pd
-import numpy as np
-import sys
-import os
-try:
-    from src.api.user_detail_api import *
-    from src.utilities.swen_344_db_utils import *
-    from src.model.user import *
-except:
-    from api.user_detail_api import *
-    from utilities.swen_344_db_utils import *
-    from model.user import *
 import hashlib
 import secrets
+try:
+    from src.utilities.swen_344_db_utils import exec_get_all
+except ImportError:
+    from utilities.swen_344_db_utils import exec_get_all
 
 
 def list_user_detail(username):
diff --git a/PCP/server/src/db/user_favorites.py b/PCP/server/src/db/user_favorites.py
index ea945f7..c9fd904 100644
--- a/PCP/server/src/db/user_favorites.py
+++ b/PCP/server/src/db/user_favorites.py
@@ -5,11 +5,9 @@
 import sys
 import os
 try:
-    from src.api.user_favorites_api import *
-    from src.utilities.swen_344_db_utils import *
-except:
-    from api.user_favorites_api import *
-    from utilities.swen_344_db_utils import *
+    from src.utilities.swen_344_db_utils import exec_get_all, exec_commit
+except ImportError:
+    from utilities.swen_344_db_utils import exec_get_all, exec_commit
     
 
 def get_user_favorites(user_id):
@@ -26,3 +24,9 @@ def add_user_favorite(user_id, product_id):
     """Adds a new favorite product for a user."""
     sql = "INSERT INTO UserFavorites (user_id, ProductID) VALUES (%s, %s);"
     exec_commit(sql, (user_id, product_id))
+
+
+def delete_user_favorite(user_id, product_id):
+    """Deletes a favorite product for a user."""
+    sql = "DELETE FROM UserFavorites WHERE user_id = %s AND ProductID = %s;"
+    exec_commit(sql, (user_id, product_id))
\ No newline at end of file
diff --git a/PCP/server/src/model/amazon.py b/PCP/server/src/model/amazon.py
index acafa1b..4f541aa 100644
--- a/PCP/server/src/model/amazon.py
+++ b/PCP/server/src/model/amazon.py
@@ -1,13 +1,12 @@
+import os
+import pandas as pd
+import psycopg2
+from psycopg2.extensions import ISOLATION_LEVEL_AUTOCOMMIT
+
 try:
-    import pandas as pd
-    import psycopg2
-    from psycopg2.extensions import ISOLATION_LEVEL_AUTOCOMMIT
-    from src.utilities.swen_344_db_utils import *
-except:
-    from utilities.swen_344_db_utils import *
-    import pandas as pd
-    import psycopg2
-    from psycopg2.extensions import ISOLATION_LEVEL_AUTOCOMMIT
+    from src.utilities.swen_344_db_utils import exec_commit, exec_get_one
+except ImportError:
+    from utilities.swen_344_db_utils import exec_commit, exec_get_one
 
 def insert_data_from_excel():
     # Load the data from Excel
diff --git a/PCP/server/src/model/user.py b/PCP/server/src/model/user.py
index 4ef2006..0b2638a 100644
--- a/PCP/server/src/model/user.py
+++ b/PCP/server/src/model/user.py
@@ -1,7 +1,8 @@
 try:
-    from src.db.login import *
-except:
-    from db.login import *
+    from src.db.login import check_username_exists, validate_credentials  # Assuming these are the functions you use from login
+except ImportError:
+    from db.login import check_username_exists, validate_credentials
+
 import secrets
 def check_username_and_password(result_username, result_credentials,session_key):
     if result_credentials:
diff --git a/PCP/server/src/server.py b/PCP/server/src/server.py
index c4fad25..0ee53d5 100644
--- a/PCP/server/src/server.py
+++ b/PCP/server/src/server.py
@@ -3,29 +3,31 @@
 from flask_cors import CORS
 
 try:
-    from utilities.swen_344_db_utils import *
-    from api.login_api import *
-    from api.signup_api import *
-    from api.user_detail_api import *
-    from api.logout_api import *
-    from model.amazon import *
-    from api.categories_api import *
-    from api.products_api import *
-    from api.retailer_api import *
-    from api.prices_api import *
-    from api.user_favorites_api import *
-except:
-    from .utilities.swen_344_db_utils import *
-    from .api.login_api import *
-    from .api.signup_api import *
-    from .api.user_detail_api import *
-    from .api.logout_api import *
-    from .model.amazon import *
-    from .api.categories_api import *
-    from .api.products_api import *
-    from .api.retailer_api import *
-    from .api.prices_api import *
-    from .api.user_favorites_api import *
+    # Import only necessary functions and classes
+    from utilities.swen_344_db_utils import exec_sql_file
+    from api.login_api import LoginAPI
+    from api.signup_api import SignUpApi
+    from api.user_detail_api import UserDetail
+    from api.logout_api import LogoutAPI
+    from api.categories_api import ProductCategories, CategoryById, CategorySearch
+    from api.products_api import Products, ProductById, ProductSearch
+    from api.retailer_api import Retailers, RetailerById
+    from api.prices_api import Prices, PricesByProduct
+    from api.user_favorites_api import UserFavorites, UserFavoritesById
+    from model.amazon import insert_data_from_excel  # Assuming this is the correct function name for handling data insertions from the model
+except ImportError:
+    # For relative imports within a package structure
+    from .utilities.swen_344_db_utils import exec_sql_file
+    from .api.login_api import LoginAPI
+    from .api.signup_api import SignUpApi
+    from .api.user_detail_api import UserDetail
+    from .api.logout_api import LogoutAPI
+    from .api.categories_api import ProductCategories, CategoryById, CategorySearch
+    from .api.products_api import Products, ProductById, ProductSearch
+    from .api.retailer_api import Retailers, RetailerById
+    from .api.prices_api import Prices, PricesByProduct
+    from .api.user_favorites_api import UserFavorites, UserFavoritesById
+    from .model.amazon import insert_data_from_excel
     
 app = Flask(__name__)  # create Flask instance
 CORS(app)  # Enable CORS on Flask server to work with Nodejs pages