/MachineCode-Interview

Ecommerce Feature

Primary LanguageJava

MachineCode-Interview

Ecommerce Feature

Java Machine Code

Entry Class
--> TestMainMethod

  1. Entities
    USER
    Customer
    Seller
    Item
    Deal

  2. DataBase Schema
    Relational Database

    1.Table ITEM
    -- ItemId,ItemName

    2.Table User
    -- UserId,UserName,UserType

    3.Table Deal -- DealId, SellerId, ItemId, Quantity, AmountPerItem, Status, EndTime

    SellerId--> UserId(User)   
ItemId --> ItemId(Item)   
Status -->   0 - Created   
 1  - Available   
 2  - End

    //to find all deals of users
    4.Table UserDeals
    -- UserId, DealId

  3. API Methods

    1. Create Deal - Method
      POST : /deal
      return Status 201 Created OK
      Deal Object

    2. GetAllDeals - Method
      GET : /deal/search/:itemName
      return Status 200
      Deals JSON List of Object

    3. getDeal - Method
      GET : /deal/:dealId
      return Status 200
      Deal Object

    4. Update Deal
      PATCH : /deal/:dealId
      return Status 204 Updated
      Updated Deal Object

    OOPS Pattern Used

    1. Stretegy pattern
      -- for Search deals of Items using ItemName
    2. factory pattern
      -- can be Used to get Object of Specific User -- Seller/Customer

---Test Output image