Initial commit

models/model_view_base.py

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+"""
+Project:    PARTS Website
+Author:     Edward Middleton-Smith
+            Precision And Research Technology Systems Limited
+
+Technology: View Models
+Feature:    Base View Model
+
+Description:
+Base data model for views
+"""
+
+# IMPORTS
+# VARIABLE INSTANTIATION
+# METHODS
+
+# IMPORTS
+# internal
+# from routes import bp_home
+import lib.argument_validation as av
+from forms import Form_Is_Included_VAT, Form_Delivery_Region, Form_Currency
+# external
+from abc import ABC, abstractmethod, abstractproperty
+from flask_sqlalchemy import SQLAlchemy
+from flask import Flask
+
+# VARIABLE INSTANTIATION
+
+
+# CLASSES
+class Model_View_Base(ABC):
+    # Attributes
+    is_user_logged_in: bool
+    id_user: str
+    form_is_included_VAT: Form_Is_Included_VAT
+    form_delivery_region: Form_Delivery_Region
+    form_currency: Form_Currency
+    # app: Flask
+    is_page_store: bool
+    # Global constants
+    FLAG_BUTTON_MODAL_CLOSE = 'btn-overlay-close'
+    FLAG_BUTTON_SUBMIT = 'btn-submit'
+    FLAG_CARD = 'card'
+    FLAG_COLLAPSIBLE = 'collapsible'
+    FLAG_COLUMN = 'column'
+    FLAG_CONTAINER = 'container'
+    FLAG_CONTAINER_INPUT = FLAG_CONTAINER + '-input'
+    FLAG_INITIALISED = 'initialised'
+    FLAG_ROW = 'column'
+    FLAG_SCROLLABLE = 'scrollable'
+    FLAG_SUBMITTED = 'submitted'
+    # flagIsDatePicker = 'is-date-picker'
+    HASH_PAGE_CONTACT = '/contact'
+    HASH_PAGE_ERROR_NO_PERMISSION = '/error'
+    HASH_PAGE_HOME = '/'
+    HASH_PAGE_STORE_HOME = '/store'
+    HASH_PAGE_STORE_PRODUCT = '/store/product'
+    ID_FORM_CURRENCY = 'formCurrency'
+    ID_FORM_DELIVERY_REGION = 'formDeliveryRegion'
+    ID_FORM_IS_INCLUDED_VAT = 'formIsIncludedVAT'
+    ID_MODAL_SERVICES = 'modalServices'
+    ID_MODAL_TECHNOLOGIES = 'modalTechnologies'
+    ID_NAV_CONTACT = 'navContact'
+    ID_NAV_HOME = 'navHome'
+    ID_NAV_STORE_HOME = 'navStoreHome'
+    ID_NAV_STORE_PRODUCT = 'navStoreProduct'
+    ID_PAGE_BODY = 'pageBody'
+    URL_HOST = 'http://127.0.0.1:5000'
+    URL_GITHUB = 'https://github.com/Teddy-1024'
+    URL_LINKEDIN = 'https://uk.linkedin.com/in/lordteddyms'
+
+    @abstractproperty
+    def title(self):
+        pass
+
+    def __new__(cls, db, info_user, app): # , *args, **kwargs
+        # Initialiser - validation
+        _m = 'Model_View_Base.__new__'
+        v_arg_type = 'class attribute'
+        print(f'{_m}\nstarting')
+        # return super().__new__(cls, *args, **kwargs)
+        av.val_instance(db, 'db', _m, SQLAlchemy, v_arg_type=v_arg_type)
+        return super(Model_View_Base, cls).__new__(cls)
+    
+    def __init__(self, db, info_user, app):
+        # Constructor
+        _m = 'Model_View_Base.__init__'
+        v_arg_type = 'class attribute'
+        print(f'{_m}\nstarting')
+        av.val_instance(db, 'db', _m, SQLAlchemy, v_arg_type=v_arg_type)
+        self.db = db
+        self.info_user = info_user
+        print(f'info_user: {info_user}\ntype: {str(type(info_user))}')
+        self.is_user_logged_in = ('sub' in list(info_user.keys()) and not info_user['sub'] == '' and not str(type(info_user['sub'])) == "<class 'NoneType'?")
+        print(f'is_user_logged_in: {self.is_user_logged_in}')
+        self.id_user = info_user['sub'] if self.is_user_logged_in else ''
+        self.form_is_included_VAT = Form_Is_Included_VAT()
+        self.form_delivery_region = Form_Delivery_Region()
+        self.form_currency = Form_Currency()
+        self.app = app
+        self.is_page_store = False
+        
+    def output_bool(self, boolean):
+        return str(boolean).lower()