識別並同步處理

建立 Cloud-to-cloud 整合後,下一步是在執行要求中新增功能,以便處理智慧型住宅意圖,並傳回 Google Assistant 可辨識的回應。

識別使用者

Assistant 會在 Authorization 標頭中,使用 OAuth 2.0 伺服器提供的存取權杖,向smart home 動作的執行要求提出要求。

POST /fulfillment HTTP/1.1
Host: smarthome.example.com
Content-Type: application/json
Authorization: Bearer ACCESS_TOKEN

在回應任何要求之前,履行邏輯應先驗證這個權杖憑證是否有效,並判斷相關聯的使用者帳戶。如果存取權杖無效,完成動作應傳回 HTTP 401 Unauthorized 錯誤。

列出裝置及其功能

這項工作建議使用的工具

Assistant 會將 action.devices.SYNC 意圖傳送至你的履行服務,要求提供與指定使用者相關聯的裝置清單及其功能。在 SYNC 回應的 agentUserId 欄位中,每個使用者都必須有專屬 ID。這個 ID 必須是不變的值,代表雲端服務的使用者。不建議根據使用者可變更的設定提供電子郵件地址或其他屬性。

SYNC 回應的 devices 欄位包含使用者授權 Assistant 存取的所有裝置、支援的類型和特徵,以及為特定裝置設定特徵行為所需的屬性。

帳戶連結期間或使用者手動重新同步裝置時,系統會觸發 SYNC 意圖。如果使用者的裝置清單、支援的特徵或屬性值有所變更,請使用「要求同步」觸發新的 SYNC 意圖,並向 Google 回報更新。

要求
{
    "requestId": "ff36a3cc-ec34-11e6-b1a0-64510650abcf",
    "inputs": [{
      "intent": "action.devices.SYNC"
    }]
}
JSON
{
  "requestId": "ff36a3cc-ec34-11e6-b1a0-64510650abcf",
  "payload": {
    "agentUserId": "1836.15267389",
    "devices": [
      {
        "id": "123",
        "type": "action.devices.types.OUTLET",
        "traits": [
          "action.devices.traits.OnOff"
        ],
        "name": {
          "defaultNames": [
            "My Outlet 1234"
          ],
          "name": "Night light",
          "nicknames": [
            "wall plug"
          ]
        },
        "willReportState": false,
        "roomHint": "kitchen",
        "deviceInfo": {
          "manufacturer": "lights-out-inc",
          "model": "hs1234",
          "hwVersion": "3.2",
          "swVersion": "11.4"
        },
        "otherDeviceIds": [
          {
            "deviceId": "local-device-id"
          }
        ],
        "customData": {
          "fooValue": 74,
          "barValue": true,
          "bazValue": "foo"
        }
      },
      {
        "id": "456",
        "type": "action.devices.types.LIGHT",
        "traits": [
          "action.devices.traits.OnOff",
          "action.devices.traits.Brightness",
          "action.devices.traits.ColorSetting"
        ],
        "name": {
          "defaultNames": [
            "lights out inc. bulb A19 color hyperglow"
          ],
          "name": "lamp1",
          "nicknames": [
            "reading lamp"
          ]
        },
        "willReportState": false,
        "roomHint": "office",
        "attributes": {
          "colorModel": "rgb",
          "colorTemperatureRange": {
            "temperatureMinK": 2000,
            "temperatureMaxK": 9000
          },
          "commandOnlyColorSetting": false
        },
        "deviceInfo": {
          "manufacturer": "lights out inc.",
          "model": "hg11",
          "hwVersion": "1.2",
          "swVersion": "5.4"
        },
        "customData": {
          "fooValue": 12,
          "barValue": false,
          "bazValue": "bar"
        }
      }
    ]
  }
}
Node.js
const {smarthome} = require('actions-on-google');
const app = smarthome();
// ...
app.onSync((body, headers) => {
  // TODO Get devices for user
  return {
    requestId: body.requestId,
    payload: {
      agentUserId: "1836.15267389",
      devices: [{
        id: "123",
        type: "action.devices.types.OUTLET",
        traits: [
          "action.devices.traits.OnOff"
        ],
        name: {
          defaultNames: ["My Outlet 1234"],
          name: "Night light",
          nicknames: ["wall plug"]
        },
        willReportState: false,
        roomHint: "kitchen",
        deviceInfo: {
          manufacturer: "lights-out-inc",
          model: "hs1234",
          hwVersion: "3.2",
          swVersion: "11.4"
        },
        otherDeviceIds: [{
          deviceId: "local-device-id"
        }],
        customData: {
          fooValue: 74,
          barValue: true,
          bazValue: "foo"
        }
      }, {
        id: "456",
        type: "action.devices.types.LIGHT",
        traits: [
          "action.devices.traits.OnOff",
          "action.devices.traits.Brightness",
          "action.devices.traits.ColorSetting"
        ],
        name: {
          defaultNames: ["lights out inc. bulb A19 color hyperglow"],
          name: "lamp1",
          nicknames: ["reading lamp"]
        },
        willReportState: false,
        roomHint: "office",
        attributes: {
          colorModel: 'rgb',
          colorTemperatureRange: {
            temperatureMinK: 2000,
            temperatureMaxK: 9000
          },
          commandOnlyColorSetting: false
        },
        deviceInfo: {
          manufacturer: "lights out inc.",
          model: "hg11",
          hwVersion: "1.2",
          swVersion: "5.4"
        },
        customData: {
          fooValue: 12,
          barValue: false,
          bazValue: "bar"
        }
      }]
    }
  };
});
Java
@NotNull
@Override
public SyncResponse onSync(@NotNull SyncRequest syncRequest, @Nullable Map<?, ?> map) {
  Payload payload = new Payload();
  payload.setAgentUserId("1836.15267389");
  payload.setDevices(
      new Device[] {
        new Device.Builder()
            .setId("123")
            .setType("action.devices.types.OUTLET")
            .addTrait("action.devices.traits.OnOff")
            .setName(
                Collections.singletonList("My Outlet 1234"),
                "Night light",
                Collections.singletonList("Wall plug"))
            .setWillReportState(true)
            .setDeviceInfo("lights-out-inc", "hs1234", "3.2", "11.4")
            .setCustomData(
                new JSONObject()
                    .put("fooValue", 74)
                    .put("barValue", true)
                    .put("bazValue", "foo"))
            .build(),
        new Device.Builder()
            .setId("456")
            .setType("action.devices.types.LIGHT")
            .addTrait("action.devices.traits.OnOff")
            .addTrait("action.devices.traits.Brightness")
            .addTrait("action.devices.traits.ColorTemperature")
            .addTrait("action.devices.traits.ColorSpectrum")
            .setName(
                Collections.singletonList("Lights Out Inc. bulb A19 color hyperglow"),
                "Lamp",
                Collections.singletonList("Reading lamp"))
            .setWillReportState(true)
            .setDeviceInfo("Lights Out Inc.", "hg11", "1.2", "5.4")
            .setCustomData(
                new JSONObject()
                    .put("fooValue", 12)
                    .put("barValue", false)
                    .put("bazValue", "bar"))
            .build(),
      });
  return new SyncResponse(syncRequest.getRequestId(), payload);
}

詳情請參閱SYNC意圖參考說明文件。