support send image in user contact.

src/appservice-manager.ts

@@ -287,4 +287,11 @@ export class AppserviceManager extends Manager {
     return this.bridge.getIntent(userId).uploadContent(content, opts)
   }
 
+  public async mxcUrlToHttp (
+    mxcUrl: string,
+  ): Promise<string> {
+    // also can use getHttpUriForMxc(this.baseUrl, mxcUrl, width, height, resizeMethod, allowDirectLinks);
+    return this.bridge.getIntent().client.mxcUrlToHttp(mxcUrl)
+  }
+
 }

src/matrix-handler.ts

@@ -18,6 +18,7 @@ import { DialogManager }      from './dialog-manager'
 import { MiddleManager }      from './middle-manager'
 import { WechatyManager }     from './wechaty-manager'
 import { UserManager }        from './user-manager'
+import { Contact, FileBox, Message, MiniProgram, UrlLink } from 'wechaty'
 
 export class MatrixHandler {
 
@@ -326,9 +327,28 @@ export class MatrixHandler {
     const contact = await this.middleManager.wechatyUser(service)
     // const contact = await this.wechatyManager
     //   .wechatyContact(service, user)
-
-    const text = superEvent.event.content!.body
-    await contact.say(text + '')
+    const content = superEvent.event.content!
+    let mxcUrl = ''
+    let httpsUrl = ''
+    const body = superEvent.text()
+    let message : string|number|Message|Contact|FileBox|MiniProgram|UrlLink
+    = body
+    switch (content.msgtype) {
+      case 'm.text':
+        break
+      case 'm.image': case 'm.file':
+        mxcUrl = content.url as string
+        httpsUrl = await this.appserviceManager.mxcUrlToHttp(mxcUrl)
+        // XXX can't show Animation well in wechat.
+        message = FileBox.fromUrl(
+          httpsUrl,
+          body.indexOf('.') > -1 || content.msgtype !== 'm.image'
+            ? body
+            : `${mxcUrl.split('/').pop()}.gif`,
+        )
+    }
+    // XXX removing the overload declarations may be a better choice.
+    await contact.say(message as any)
   }
 
 }

src/middle-manager.ts

@@ -479,14 +479,8 @@ export class MiddleManager extends Manager {
 
   /**
    * Send message from service bot to the bridge consumer
-   */
-  public async directMessageToMatrixConsumer (message: string, from: Wechaty): Promise<void>
-  /**
    * Send message from user to the bridge consumer
    */
-  public async directMessageToMatrixConsumer (message: string, from: WechatyUser): Promise<void>
-  public async directMessageToMatrixConsumer (message: Message, from: WechatyUser): Promise<void>
-
   public async directMessageToMatrixConsumer (
     message: string | Message,
     from: WechatyUser | Wechaty,
@@ -501,11 +495,13 @@ export class MiddleManager extends Manager {
     let matrixUser
 
     if (from instanceof WechatyUser) {
+      // receive message (in user side)
 
       matrixRoom = await this.matrixRoom(from)
       matrixUser = await this.matrixUser(from)
 
     } else if (from instanceof Wechaty) {
+      // send message (in user side)
 
       const consumerId = this.wechatyManager.matrixConsumerId(from)
       matrixRoom = await this.adminRoom(consumerId)