feat(twillio): add message delay config (#649)

* fix(engine): lock sqlite version

* feat(twillio): add message delay config

packages/channels/src/twilio/config.ts

@@ -4,9 +4,11 @@ import { ChannelConfig } from '../base/config'
 export interface TwilioConfig extends ChannelConfig {
   accountSID: string
   authToken: string
+  messageDelay?: string
 }
 
 export const TwilioConfigSchema = {
   accountSID: Joi.string().regex(/^AC.*/).required(),
-  authToken: Joi.string().required()
+  authToken: Joi.string().required(),
+  messageDelay: Joi.string().optional()
 }

packages/channels/src/twilio/senders/common.ts

@@ -1,3 +1,4 @@
+import ms from 'ms'
 import { CommonSender } from '../../base/senders/common'
 import { TwilioContext } from '../context'
 
@@ -9,6 +10,13 @@ export class TwilioCommonSender extends CommonSender {
         from: context.identity,
         to: context.sender
       })
+
+      const { messageDelay } = context.state.config
+      if (messageDelay) {
+        // depending on the account it might be required to limit the rps to each number
+        // usually this is an issue for carousels
+        await new Promise((resolve) => setTimeout(resolve, ms(messageDelay)))
+      }
     }
   }
 }

packages/server/src/channels/api.ts

@@ -34,7 +34,7 @@ export class ChannelApi {
       channel.on('message', async (e) => this.handleChannelMessage(channel, e))
       channel.on('proactive', async (e) => this.handleChannelProactive(channel, e))
 
-      await channel.setup(router)
+      await channel.setup(router, channel.logger)
     }
   }