1.started removal of CDNs.\n 2. Improved modular structure for all parts of project including database.

business_objects/store/order.py

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+"""
+Project:    PARTS Website
+Author:     Edward Middleton-Smith
+            Precision And Research Technology Systems Limited
+
+Technology: Business Objects
+Feature:    Order Business Object
+
+Description:
+Business object for order
+"""
+
+# internal
+import lib.argument_validation as av
+# from lib import data_types
+from business_objects.store.product import Product
+from business_objects.store.delivery_option import Delivery_Option
+# from forms import Form_Product
+# from models.model_view_store import Model_View_Store # circular
+# external
+# from enum import Enum
+from flask import jsonify
+import locale
+
+
+# VARIABLE INSTANTIATION
+
+# CLASSES
+class Order():
+    category: str
+    product: Product
+    quantity: int
+    subtotal: float
+    delivery_option: Delivery_Option
+    # form: Form_Product
+
+    def __new__(cls, category, product, quantity):
+        # Initialiser - validation
+        _m = 'Product.__new__'
+        v_arg_type = 'class attribute'
+        av.val_str(category, 'category', _m, v_arg_type=v_arg_type)
+        av.val_instance(product, 'product', _m, Product, v_arg_type=v_arg_type)
+        av.full_val_float(quantity, 'quantity', _m, product.quantity_min, v_arg_type=v_arg_type)
+        return super(Basket_Item, cls).__new__(cls)
+    
+    def __init__(self, category, product, quantity):
+        # Constructor
+        self.category = category
+        self.product = product
+        self.quantity = quantity
+        self.subtotal = round(self.product.price_GBP_full * self.quantity, 2)
+        """
+        self.form = Form_Product()
+        if self.form.validate_on_submit():
+            # Handle form submission
+
+            pass
+        """
+
+    def update_quantity(self, quantity):
+        _m = 'Basket_Item.update_quantity'
+        v_arg_type = 'class attribute'
+        av.full_val_float(quantity, 'quantity', _m, self.product.quantity_min, v_arg_type=v_arg_type)
+        self.quantity = quantity
+        self.subtotal = round(self.product.price_GBP_full * self.quantity, 2)
+
+    def jsonify(self):
+        return jsonify(self)
+    
+    def to_json(self):
+        return {
+            'product_id': self.product.id_product,
+            'price': self.product.price_GBP_full,
+            'quantity': self.quantity
+        }
+    
+    def output_subtotal(self):
+        locale.setlocale(locale.LC_ALL, '')
+        return locale.format_string("%d", self.subtotal, grouping=True)
+    
+    def __repr__(self):
+        return f'''
+            category: {self.category}
+            product: {self.product}
+            quantity: {self.quantity}
+            subtotal: {self.subtotal}
+            '''