Initial commit

business_objects/variation.py

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+"""
+Project:    PARTS Website
+Author:     Edward Middleton-Smith
+            Precision And Research Technology Systems Limited
+
+Technology: Business Objects
+Feature:    Product Variation Business Object
+
+Description:
+Business object for product variation
+"""
+
+# IMPORTS
+# VARIABLE INSTANTIATION
+# CLASSES
+# METHODS
+
+# IMPORTS
+# internal
+import lib.argument_validation as av
+from lib import data_types
+from forms import Form_Basket_Add, Form_Basket_Edit # Form_Product
+# external
+from enum import Enum
+from datetime import datetime, timedelta
+import locale
+from flask_sqlalchemy import SQLAlchemy
+
+
+# VARIABLE INSTANTIATION
+db = SQLAlchemy()
+
+
+# CLASSES
+class Variation(db.Model):
+    id_variation = db.Column(db.Integer, primary_key=True)
+    id_product = db.Column(db.Integer)
+    id_permutation = db.Column(db.Integer)
+    id_category = db.Column(db.Integer)
+    code_variation_type = db.Column(db.String(50))
+    name_variation_type = db.Column(db.String(255))
+    code_variation = db.Column(db.String(50))
+    name_variation = db.Column(db.String(255))
+    display_order = db.Column(db.Integer)
+    
+    """
+    def __new__(cls, id, id_product, id_category, name_type, code_type, name, code, display_order):
+        _m = 'Variation.__new__'
+        v_arg_type = 'class attribute'
+        av.val_int(id, 'id', _m, 0, v_arg_type=v_arg_type)
+        av.val_int(id_product, 'id_product', _m, 0, v_arg_type=v_arg_type)
+        av.val_int(id_category, 'id_category', _m, 0, v_arg_type=v_arg_type)
+        av.val_str(code_type, 'code_type', _m, max_len=50, v_arg_type=v_arg_type)
+        av.val_str(name_type, 'name_type', _m, max_len=256, v_arg_type=v_arg_type)
+        av.val_str(code, 'code', _m, max_len=50, v_arg_type=v_arg_type)
+        av.val_str(name, 'name', _m, max_len=256, v_arg_type=v_arg_type)
+        av.val_int(display_order, 'display_order', _m, v_arg_type=v_arg_type)
+        return super(Variation, cls).__new__(cls)
+    
+    def __init__(self, id, id_product, id_category, name_type, code_type, name, code, display_order):
+        self.id_variation = id
+        self.id_product = id_product
+        self.id_category = id_category
+        self.name_variation_type = name_type
+        self.code_variation_type = code_type
+        self.name_variation = name
+        self.code_variation = code
+        self.display_order = display_order
+        super().__init__()
+    """
+    def make_from_DB_product(query_row):
+        variation = Variation()
+        variation.id_variation = query_row[0]
+        variation.id_product = query_row[1]
+        variation.id_permutation = query_row[2]
+        variation.id_category = query_row[3]
+        variation.code_variation_type = query_row[4]
+        variation.name_variation_type = query_row[5]
+        variation.code_variation = query_row[6]
+        variation.name_variation = query_row[7]
+        variation.display_order = query_row[8]
+        return variation
+    def __repr__(self):
+        return f'''
+            id: {self.id_variation}
+            id_product: {self.id_product}
+            id_permutation: {self.id_permutation}
+            id_category: {self.id_category}
+            code_variation_type: {self.code_variation_type}
+            name_variation_type: {self.name_variation_type}
+            code_variation: {self.code_variation}
+            name_variation: {self.name_variation}
+            display_order: {self.display_order}
+            '''