wechaty-puppet/src/mixins/sayable-mixin.ts

Abstract Puppet for Wechaty

import { log } from '../config.js'

import type { PuppetSkeleton }    from '../puppet/puppet-skeleton.js'
import {
  MessageType,
}                                 from '../schemas/message.js'
import {
  SayablePayload,
  sayablePayloads,
}                                 from '../schemas/sayable.js'

import type { MessageMixin }  from './message-mixin.js'
import type { PostMixin }     from './post-mixin.js'

const sayableMixin = <MixinBase extends typeof PuppetSkeleton & MessageMixin & PostMixin>(mixinBase: MixinBase) => {

  abstract class SayableMixin extends mixinBase {

    constructor (...args: any[]) {
      super(...args)
      log.verbose('PuppetSayableMixin', 'constructor()')
    }

    async sayablePayload (
      sayableId: string,
    ): Promise<undefined | SayablePayload> {
      log.verbose('PuppetMessageMixin', 'sayablePayload(%s)', sayableId)

      const payload = await this.messagePayload(sayableId)

      switch (payload.type) {
        case MessageType.Text:
          return sayablePayloads.text(payload.text || '')

        case MessageType.Image:
        case MessageType.Attachment:
        case MessageType.Audio:
        case MessageType.Video:
        case MessageType.Emoticon: {
          const fileBox = await this.messageFile(sayableId)
          return sayablePayloads.attatchment(fileBox)
        }
        case MessageType.Contact: {
          const contactId = await this.messageContact(sayableId)
          return sayablePayloads.contact(contactId)
        }
        case MessageType.Url: {
          const urlLinkPayload = await this.messageUrl(sayableId)
          return sayablePayloads.url(urlLinkPayload)
        }
        case MessageType.MiniProgram: {
          const miniProgramPayload = await this.messageMiniProgram(sayableId)
          return sayablePayloads.miniProgram(miniProgramPayload)
        }
        case MessageType.Location: {
          const locationPayload = await this.messageLocation(sayableId)
          return sayablePayloads.location(locationPayload)
        }
        case MessageType.Post: {
          const postPayload = await this.postPayload(sayableId)
          return sayablePayloads.post(postPayload)
        }

        default:
          log.warn('PuppetSayableMixin',
            'sayablePayload() can not convert not re-sayable type: %s(%s) for %s\n%s',
            MessageType[payload.type],
            payload.type,
            sayableId,
            new Error().stack,
          )
          return undefined
      }
    }

  }

  return SayableMixin
}

type SayableMixin = ReturnType<typeof sayableMixin>

type ProtectedPropertySayableMixin = never

export type {
  SayableMixin,
  ProtectedPropertySayableMixin,
}
export { sayableMixin }