Lettopia eBay API

Reason

• The original code has ebay api coupled into the code, which makes it hard to do unit test.
• Make it a seperate package also help us to reuse it.
• Decouple the code will help ebay.js looks more clear.

Class

1. Ebay

A singleton in the application. It takes appId, devId and certId secret to construct. Provide the following functions:

[x] GetOAuthToken: For OAuth

[x] GetRefreshToken: For OAuth renew

[x] GetSessionId: For Auth'nAuth

2. EbayClient

It is like eBay seller. It takes token to construct. There are two authentication methods provided by eBay, i.e OAuth and Auth'nAuth which you have to specify when you create it.

[x] GetOrders: For getting ebay order

[x] GetSellerList: For getting ebay seller products

[x] GetUser: Get account when create ebay user

[x] CompleleSale: Update tracking number

[x] SetNotificationPreferences: Set the user notification

[x] AddFixedPriceItem: List item to ebay

[x] GetUserPreferences: Get user preference including its listing limit

[x] GetMyeBaySelling: Get seller's selling

[x] SetUserPreferences: Set the user's preference, including Out-of-Stock feature

[x] ReviseInventoryStatus: Used for inventory sync

[x] ReviseFixedPriceItem: Set the item to GTC listing for out-of-stock feature

3. ParsedFixedPriceItemNotification

Parse info from the recieved ebay notification

General flow of calling eBay API:

1. Build XML request by API name and authentication type. xml-builder
2. Send the request to ebay endpoint.
3. Parse the response into json. xpath is a good way

Test

Use mocha as the unit test.