Function

Obtains a loyalty card instance based on instanceId.

Scenario

This API is used to obtain a loyalty card instance that has been added to the Huawei server.

Restrictions

You need to create an app in AppGallery Connect and apply for services corresponding to the passes.

Prototype

Protocol	HTTPS GET
Direction	Developer server -> Huawei server
URL	{url}/hmspass/v1/loyalty/instance/{instanceId} Set the {url} variable based on the region where the server is located. For details, please refer to Wallet Server Addresses.
Data Format	Request: Content-Type: application/json Response: Content-Type: application/json

URL Parameters

Parameter	Mandatory/Optional	Type	Description
instanceId	Mandatory	String	Unique identifier of an instance. It must be unique across all instances sharing the same appId. The value contains only letters, digits, dots (.), hyphens (-), and underscores (_).

Request Parameters

Request Header

Parameter	Mandatory/Optional	Type	Description
Authorization	Mandatory	String	Authorization code. For details about how to obtain the value, please refer to the Client Credentials mode in OAuth 2.0-based Authentication. In this mode, client_id and client_secret are respectively the App ID and App key of the app that you created in AppGallery Connect. Concatenate the value of access_token to the end of Bearer, with a space in between, to generate the value of Authorization.
Content-Type	Mandatory	String	The value is always application/json;charset=utf-8.
Accept	Mandatory	String	The value is always application/json;charset=utf-8.

Request Example

GET /hmspass/v1/loyalty/instance/40001 HTTP/1.1
Content-Type: application/json;charset=utf-8
Authorization: Bearer ***
Accept: application/json;charset=utf-8
Host: wallet-passentrust-drcn.cloud.huawei.com.cn

Response Parameters

When the result code is 200:

Parameter	Type	Description
For details, please refer to the HwWalletObject Parameters.	HwWalletObject	Pass instance that is identified by instanceId.

Response Example

HTTP/1.1 200 OK
Content-Type: application/json
{
  "passTypeIdentifier": "hwpass.com.huawei.wallet.loyalty.test",
  "passStyleIdentifier": "loyaltyModelTest",
  "organizationPassId": "356688115",
  "serialNumber": "40001",
  "fields": {
    "status": {
      "state": "active",
      "effectTime": "2019-11-13T00:00:00.111Z",
      "expireTime": "2028-11-20T00:00:00.111Z"
    },
    "barCode": {
      "text": "1118466050",
      "type": "codabar",
      "value": "1118466050",
      "encoding": "UTF-8"
    },
    "commonFields": [
      {
        "key": "cardNumber",
        "value": "356688115",
        "label": "Card Number"
      },
      {
        "key": "balance",
        "value": "$199",
        "label": "Balance"
      },
      {
        "key": "memberName",
        "value": "Joe Wiley",
        "label": "Name"
      }
    ],
    "appendFields": [
      {
        "key": "points",
        "value": "2000",
        "label": "Points"
      }
    ]
  }
}

Result Codes

For details, please refer to Result Codes.

Call Example

public HwWalletObject getWalletModelByModelId(String url, String modelId) {
    // Construct the HTTP header.
    HttpHeaders header = constructHttpHeaders();
    // Construct the HTTP URL.
    String baseUrl = ConfigHelper.instants().getValue("walletServerBaseUrl");
    String walletServerUrl = baseUrl + url + modelId;

    // Send the HTTP request and obtain the response.
    ResponseEntity<HwWalletObject> response =
        REST_TEMPLATE.exchange(walletServerUrl, HttpMethod.GET, new HttpEntity(header), HwWalletObject.class);

    // Return the wallet model with the corresponding model ID.
    return response.getBody();
}

目录

Querying a Loyalty Card Instance