Merge branch 'main' of git.gvk.idi.ntnu.no:steffemar/idatg2204-project

Backend/main.py

 from utils.application import app
-#from routes.category import get_category
+from routes.category import get_category
 #from routes.order import get_order
 from routes.home import get_home
 #from routes.cart import get_cart
@@ -14,24 +14,24 @@ def home():
 #def order(order_id):
 #    return get_order(order_id)
 
-#@app.route('/category', methods=['GET'])
-#@app.route('/category/<string:category_name>', methods=['GET'])
-#def category(category_name):
-#    return routes.category.get_category(category_name)
+@app.route('/category/', methods=['GET'])
+@app.route('/category/<string:category_name>', methods=['GET'])
+def category(category_name=None):
+    return get_category(category_name)
 
 #@app.route('/cart', methods=['GET'])
 #def cart():
 #    return get_cart()
 
-@app.route('/logout', methods=['POST'])
+@app.route('/logout/', methods=['POST'])
 def logout():
     return post_logout()
 
-@app.route('/login', methods=['POST'])
+@app.route('/login/', methods=['POST'])
 def login():
     return post_login()
 
-@app.route('/register', methods=['POST'])
+@app.route('/register/', methods=['POST'])
 def register():
     return post_register()
 

Backend/routes/category.py

-from main import mysql
+from utils.application import mysql
 from flask import jsonify
 
-
 def get_category(category_name=None):
-    if category_name is None:
+    # If category_name is not None, get one category by name
+    if (category_name is not None):
+        return get_category_by_name(category_name)
+    else:
         cur = mysql.connection.cursor()
-        cur.execute('''SELECT category.name FROM category''')
+        cur.execute('''
+            SELECT category.name, category.description, sub_category.name, sub_category.description FROM category
+            LEFT JOIN sub_category_in_category ON sub_category_in_category.parent_category_id = category.category_id
+            LEFT JOIN category AS sub_category ON sub_category.category_id = sub_category_in_category.sub_category_id
+        ''')
+
         data = cur.fetchall()
         cur.close()
-        return jsonify(data)
-    else:
+
+        # If no data is found, return an empty list
+        categories = []
+        for row in data:
+            #Extract data from row
+            categoryName, categoryDescription, subCategoryName, subCategoryDescription = row
+            # Check if category exists already in category
+            category = next((x for x in categories if x["categoryName"] == categoryName), None)
+
+            # If it does not exist, create it
+            if category is None:
+                category = {
+                    "categoryName": categoryName,
+                    "categoryDescription": categoryDescription,
+                    "subCategories": []
+                }
+                categories.append(category)
+
+            #Always append subcategories extracted from row
+            if (subCategoryName is not None):
+                category["subCategories"].append({
+                    "subCategoryName": subCategoryName,
+                    "subCategoryDescription": subCategoryDescription
+                })
+
+        return jsonify(categories)
+
+
+def get_category_by_name(category_name):
     cur = mysql.connection.cursor()
-        cur.execute('''SELECT category.name FROM category WHERE name = %s''', (category_name,))
-        data = cur.fetchall()
+    cur.execute('''
+        SELECT category.name, category.description, sub_category.name, sub_category.description FROM category
+        LEFT JOIN sub_category_in_category ON sub_category_in_category.parent_category_id = category.category_id
+        LEFT JOIN category AS sub_category ON sub_category.category_id = sub_category_in_category.sub_category_id
+        WHERE category.name = %s
+    ''', (category_name,))
+
+    categoryData = cur.fetchall()
+
+    cur.execute('''
+        SELECT product.product_id, product.name, product.description, product.price, product.stock_quantity FROM product
+        INNER JOIN category ON category.category_id = product.category_id
+        WHERE category.name = %s
+    ''', (category_name,))
+    productData = cur.fetchall()
     cur.close()
-        return jsonify(data)
+
\ No newline at end of file
+    if len(categoryData) == 0:
+        return jsonify({"error": "Category not found"}), 404
+
+    # Extract data from first row to create category object
+    categoryName, categoryDescription, subCategoryName, subCategoryDescription = categoryData[0]
+    category = {
+        "categoryName": categoryName,
+        "categoryDescription": categoryDescription,
+        "subCategories": [],
+        "products": []
+    }
+    for row in categoryData:
+        #Extract data from row to create subcategory object
+        categoryName, categoryDescription, subCategoryName, subCategoryDescription = row
+        if (subCategoryName is not None):
+            category["subCategories"].append({
+                "subCategoryName": subCategoryName,
+                "subCategoryDescription": subCategoryDescription
+            })
+
+
+    for row in productData:
+        productId, productName, productDescription, productPrice, productStockQuantity = row
+        category["products"].append({
+            "productId": productId,
+            "productName": productName,
+            "productDescription": productDescription,
+            "productPrice": productPrice,
+            "productStockQuantity": productStockQuantity
+        })
+
+    return jsonify(category)
\ No newline at end of file