refactor(SQL): Staging tables and Calc stored procedures used for modular stored procedure archicture for scalability. Implemented for Product Catalogue. \n BREAKING CHANGE: BIT argument a_debug added to all but basic stored procedures for analysis of performance and results.

forms/base.py

@@ -26,10 +26,15 @@ class Form_Base(FlaskForm, metaclass=Form_Base_Meta):
     @abstractmethod
     def from_filters(cls, filters):
         pass
-    """
     @abstractmethod
     def __repr__(self):
         pass
+    """
+    def __repr__(self):
+        fields = ', '.join(
+            f"{name}={field.data}" for name, field in self._fields.items()
+        )
+        return f"{self.__class__.__name__}({fields})"
     @classmethod
     @abstractmethod
     def from_json(cls, json):

forms/forms.py

@@ -127,15 +127,8 @@ class Form_Supplier(FlaskForm):
 # class Form_Supplier_Purchase_Order(FlaskForm):
 
 
-class Form_Filters_Stock_Item(FlaskForm):
-    id_category = SelectField('Category', validators=[Optional()], choices=[])
-    id_product = SelectField('Product', validators=[Optional()], choices=[])
-    is_out_of_stock = BooleanField('Out of stock only?')
-    quantity_min = FloatField('Min stock')
-    quantity_max = FloatField('Max stock')
-    # submit = SubmitField('Submit')
-
 
+# User 
 class Form_Filters_User(FlaskForm):
     active = BooleanField('Active only?')
     id_user = SelectField('User ID', validators=[Optional()], choices=[])

forms/store/product_category.py

@@ -40,7 +40,8 @@ class Filters_Product_Category(Form_Base):
         return f'Filters_Product_Category(is_not_empty={self.is_not_empty.data}, active={self.active.data})'
     @classmethod
     def from_json(cls, json):
+        _m = f'{cls.__name__}.from_json'
         form =  Filters_Product_Category() # is_not_empty=json['is_not_empty'], active=json['active'])
-        form.is_not_empty.data = av.input_bool(json[Store_Base.FLAG_IS_NOT_EMPTY], 'is_not_empty', 'Filters_Product_Category')
-        form.active.data = av.input_bool(json[Store_Base.FLAG_ACTIVE], 'active', 'Filters_Product_Category')
+        form.is_not_empty.data = av.input_bool(json[Store_Base.FLAG_IS_NOT_EMPTY], 'is_not_empty', _m)
+        form.active.data = av.input_bool(json[Store_Base.FLAG_ACTIVE], 'active', _m)
         return form

forms/store/product_permutation.py

@@ -54,12 +54,12 @@ class Filters_Product_Permutation(Form_Base):
         '''
     @classmethod
     def from_json(cls, json):
-        form =  Filters_Product_Permutation()
+        form =  cls()
         form.id_category.choices = [(json[Store_Base.ATTR_ID_PRODUCT_CATEGORY], json[Store_Base.ATTR_ID_PRODUCT_CATEGORY])]
         form.id_category.data = json[Store_Base.ATTR_ID_PRODUCT_CATEGORY]
         form.id_product.choices = [(json[Store_Base.ATTR_ID_PRODUCT], json[Store_Base.ATTR_ID_PRODUCT])]
         form.id_product.data = json[Store_Base.ATTR_ID_PRODUCT]
-        form.is_out_of_stock.data = av.input_bool(json[Store_Base.FLAG_IS_OUT_OF_STOCK], 'is_out_of_stock', 'Filters_Product_Permutation')
+        form.is_out_of_stock.data = av.input_bool(json[Store_Base.FLAG_IS_OUT_OF_STOCK], Store_Base.FLAG_IS_OUT_OF_STOCK, f'{cls.__name__}.from_json')
         form.quantity_min.data = json[Store_Base.FLAG_QUANTITY_MIN]
         form.quantity_max.data = json[Store_Base.FLAG_QUANTITY_MAX]
         return form

forms/store/stock_item.py

@@ -0,0 +1,63 @@
+"""
+Project:    PARTS Website
+Author:     Edward Middleton-Smith
+            Precision And Research Technology Systems Limited
+
+Technology: Backend
+Feature:    Forms - Product Category Filters data input
+
+Description:
+Defines Flask-WTF forms for handling product category filter input.
+"""
+
+# internal
+from business_objects.store.store_base import Store_Base
+# from business_objects.store.product_category import Filters_Product_Category
+# from models.model_view_store import Model_View_Store # circular
+# from helpers.DEPRECATED.helper_abc import Interface_ABC
+from forms.base import Form_Base
+import lib.argument_validation as av
+# external
+from flask_wtf import FlaskForm
+from wtforms import StringField, TextAreaField, SubmitField, BooleanField, IntegerField, SelectField, FloatField
+from wtforms.validators import InputRequired, NumberRange, Regexp, DataRequired, Optional
+from flask_wtf.recaptcha import RecaptchaField
+from abc import ABCMeta, abstractmethod
+
+class Filters_Stock_Item(Form_Base):
+    id_category = SelectField('Category', validators=[Optional()], choices=[])
+    id_product = SelectField('Product', validators=[Optional()], choices=[])
+    is_out_of_stock = BooleanField('Out of stock only?')
+    quantity_min = FloatField('Min stock')
+    quantity_max = FloatField('Max stock')
+    # submit = SubmitField('Submit')
+    """
+    def __repr__(self):
+        return f'''
+            {self.__class__.__name__}(
+                id_category={self.id_category.data}, 
+                id_product={self.id_product.data}, 
+                is_out_of_stock={self.is_out_of_stock.data}, 
+                quantity_min={self.quantity_min.data}, 
+                quantity_max={self.quantity_max.data})
+        '''
+    """
+    @classmethod
+    def from_json(cls, json):
+        form =  cls()
+        form.id_category.choices = [(json[Store_Base.ATTR_ID_PRODUCT_CATEGORY], json[Store_Base.ATTR_ID_PRODUCT_CATEGORY])]
+        form.id_category.data = json[Store_Base.ATTR_ID_PRODUCT_CATEGORY]
+        form.id_product.choices = [(json[Store_Base.ATTR_ID_PRODUCT], json[Store_Base.ATTR_ID_PRODUCT])]
+        form.id_product.data = json[Store_Base.ATTR_ID_PRODUCT]
+        form.is_out_of_stock.data = av.input_bool(json[Store_Base.FLAG_IS_OUT_OF_STOCK], Store_Base.FLAG_IS_OUT_OF_STOCK, f'{cls.__name__}.from_json')
+        form.quantity_min.data = json[Store_Base.FLAG_QUANTITY_MIN]
+        form.quantity_max.data = json[Store_Base.FLAG_QUANTITY_MAX]
+        return form
+    def to_json(self):
+        return {
+            Store_Base.ATTR_ID_PRODUCT_CATEGORY: self.id_category.data,
+            Store_Base.ATTR_ID_PRODUCT: self.id_product.data,
+            Store_Base.FLAG_IS_OUT_OF_STOCK: self.is_out_of_stock.data,
+            Store_Base.FLAG_QUANTITY_MIN: self.quantity_min.data,
+            Store_Base.FLAG_QUANTITY_MAX: self.quantity_max.data
+        }