feat(api): track sent sms count per device

api/src/gateway/gateway.service.ts

@@ -95,6 +95,12 @@ export class GatewayService {
       const response = await firebaseAdmin
         .messaging()
         .sendToDevice(device.fcmToken, payload, { priority: 'high' })
+
+      this.deviceModel.findByIdAndUpdate(
+        deviceId,
+        { $inc: { sentSMSCount: 1 } },
+        { new: true },
+      )
       return response
     } catch (e) {
       throw new HttpException(

api/src/gateway/schemas/device.schema.ts

@@ -43,6 +43,9 @@ export class Device {
 
   @Prop({ type: Number })
   appVersionCode: number
+
+  @Prop({ type: Number, default: 0 })
+  sentSMSCount: number
 }
 
 export const DeviceSchema = SchemaFactory.createForClass(Device)