task.txt

- сайт
- доступ
- firebase backend
- новини
- коментарі
- +/- оцінка новин
- сторінка з товарами
    - кошик (localstorage)
    - список товарів
        - ціна
        - сортування: ціна, назва, к-ть на складі, дата / date pipe
        - дата - коли товар додано
        - moment.js - опціонально
    - можливість купувати товари + в користувача має зберігатись список товарів
    - оцінка товарів
    - різні способи доставки + випадковий час доставки
    - GoogleMap - рахує маршрут для доставки
- категорії користувачів:
    - default user - купити :)
    - premium - скидки, анонімні коментарі поставщикам, рейтинг поставщиків
    - provider - додати товари, дивитись оборот товарів (+ статистику) chart.js - по можливості
    - administrator - може видаляти всіх користувачів, товари - додає і видаляє, блокує аккаунти
- facebook, google auth
- angular 2 firebase - див. бібліотеку
- адмінка

- bootstrap

//////////////////////////////////////////////////////////////////////////////////////
- APP module
- APP routing module
- CORE module
    > home component
        - latest news (to news service)
        - random products
    > header component
        - navigation
- NEWS module
    - NEWS routing  
    > all news component
    > single news component 
        - comments
        - rating
        - sharing with FB / GOOGLE
    > edit news component (route guard - only admins and providers)
    + news service
        - get all news
        - get single news
        - change rating
        - add, update, delete news (admin, provider)
- PRODUCTS module
    - PRODUCTS route
    + products service
        - add to cart      (localstorage)
        - delete from cart (localstorage)
        - rating +/-
        - book products (array of products, optional: user gmap coordinates)
            - updating products count on server
            - return delivery time (random / gmap)
        * admin:
            - add products
            - update products
            - delete products
        * provider: same as admin, but only his own products (checking "provider" property of product)
    > products list component
        - sorting
    > products details component
    > products edit component (route guard - only admins and providers)
    > products cart (only authorized)
        - list of booked products
        - getting delivery type
        - delivering time
- PROVIDERS module
    - PROVIDERS route
    + providers service
        - get providers
        - update provider rating
        - update provider comments
        - products - get from products service
    > providers list component
    > providers details component
        - only for premium users: change rating, add comments
- USERS module
    + users service
        - get single user
        - get all users
        - new user (registration / admin)
        - update user
        - delete user
    > dashboard component
        * user:
            - list of booked products
            - list of comments
            - list of rated products
            - list of rated news
        * provider:
            - list of products
            - list of news
        * admin
            - list of users
                - add / edit / delete user
- AUTH module
    - AUTH route
    + auth service
        - registration
        - login
        * admin:
            - delete user
            - update user
            - create user
    > login component
    > registration component
- ADMIN module
    - ADMIN route
    > admin page
        - users count
        - providers count
        - statistics
        - etc. - optional
MODELS:
    - news:
        - id - string
        - title - string
        - content - string
        - rating - number
        - author - string (id)
        - date - date (string?)
    - product:
        - id - string
        - name - string
        - price - number
        - rating - number
        - provider - string (provider id)
        - count - number
        - date - date (string?)
        - rated by - array (string users' id's)
    - user:
        - id - string
        - name - string
        - email - string
        - age - number
        - gender - string
        - category - string | user, premium, provider, administrator, banned
        - avatar (url) - string
        - list of booked products - id string array
        - location (gmap) - object
        - rated products - id string array
        - rated news - id string array
    - provider:
        - id - string
        - name - string
        - statistic: array: [ [product_name, date] ]
        - rating
        ( no products list: it will available from products service )
    - comment:
        - id - string
        - authorId - string
        - content - string

- scroll from top

//////////////////////

known bugs:
- logout - access data doesn't refresh;
- login - dash profile open before user data is loaded;