feat: integration with API Vega Cloud

src/modules/device/queries/service.ts

@@ -0,0 +1,49 @@
+import { verify } from '~/helpers/signature'
+import { DeviceQueryParams } from '../schema'
+import { queryDeviceStatus } from './query'
+
+export default abstract class QueryService {
+  static async getDeviceStatus(query: DeviceQueryParams, headers: Record<string, string | undefined>): Promise<{
+    status: 'success'
+    message: 'command accepted'
+    data: {
+      floor: string
+      unit: string
+      device: string
+      room: string
+      devType: string
+      code: string
+      tower: string
+      payload: string
+    }
+  } | null> {
+    const apiKey = headers['x-api-key']
+
+    // For now, use apiKey as secretKey since DB validation is skipped
+    const secretKey = apiKey
+
+    // Remove signature from query for verification
+    const { signature, ...queryWithoutSignature } = query
+
+    const isValid = verify(queryWithoutSignature, signature, secretKey)
+    if (!isValid) {
+      throw new Error('invalid_signature')
+    }
+
+    // TODO: Check nonce for replay attack when DB is implemented
+
+    const topic = `${query.merchantName}/${query.floorName}_${query.unitNumber}-${query.deviceName}-${query.roomName}-${query.deviceType}-${query.commandType}-${query.towerNumber}`
+
+    const deviceData = await queryDeviceStatus(topic)
+
+    if (deviceData) {
+      return {
+        status: 'success',
+        message: 'command accepted',
+        data: deviceData,
+      }
+    }
+
+    return null
+  }
+}