From 03576233ba574cfb3c1eabdb3542a781ef987feb Mon Sep 17 00:00:00 2001
From: "Zhuohuan LI (CARPE DIEM)" <zixia@zixia.net>
Date: Wed, 12 Oct 2016 12:47:31 +0800
Subject: [PATCH] #41 add say to Message

---
 src/message.ts | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/src/message.ts b/src/message.ts
index 178d0a6d..5c665b6b 100644
--- a/src/message.ts
+++ b/src/message.ts
@@ -69,6 +69,10 @@ class Message {
 
   protected obj = <MessageObj>{}
 
+  readyStream(): Promise<NodeJS.ReadableStream> {
+    throw Error('abstract method')
+  }
+
   constructor(private rawObj?: MessageRawObj) {
     Message.counter++
 
@@ -247,6 +251,33 @@ class Message {
       Message.TYPE[v] = k // Message.Type[1] = 'TEXT'
     })
   }
+
+  public say(content: string, replyTo?: Contact|Contact[]): Promise<any> {
+    log.verbose('Message', 'say(%s, %s)', content, replyTo)
+
+    const m = new Message()
+    m.room(this.room())
+
+    if (!replyTo) {
+      m.to(this.from())
+      m.content(content)
+
+    } else if (this.room()) {
+      let mentionList
+      if (Array.isArray(replyTo)) {
+        m.to(replyTo[0])
+        mentionList = replyTo.map(c => '@' + c.name()).join(' ')
+      } else {
+        m.to(replyTo)
+        mentionList = '@' + replyTo.name()
+      }
+      m.content(mentionList + ' ' + content)
+
+    }
+    return Wechaty.instance()
+                  .send(m)
+  }
+
 }
 
 Message.initType()
-- 
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