Remove `val previous`

mirai-api-http/src/main/kotlin/net.mamoe.mirai.api.http/MiraiHttpApplication.kt

@@ -71,7 +71,7 @@ fun Application.mirai() {
     routing {
         mirai("/sendFriendMessage") {
             // TODO: 2019/11/21 解析图片消息等为 Message
-            Bot.instanceWhose(qq = param("bot")).getQQ(param("qq")).sendMessage(param<String>("message"))
+            Bot.instanceWhose(qq = param("bot")).getFriend(param("qq")).sendMessage(param<String>("message"))
             call.ok()
         }
 

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/FriendMessage.kt

@@ -8,20 +8,9 @@ import net.mamoe.mirai.utils.MiraiInternalAPI
 
 class FriendMessage(
     bot: Bot,
-    /**
-     * 是否是在这次登录之前的消息, 即消息记录
-     */
-    val previous: Boolean,
     override val sender: QQ,
     override val message: MessageChain
 ) : MessagePacket<QQ, QQ>(bot), BroadcastControllable {
-    /**
-     * 是否应被自动广播. 此为内部 API
-     */
-    @MiraiInternalAPI
-    override val shouldBroadcast: Boolean
-        get() = !previous
-
     override val subject: QQ get() = sender
 
     override fun toString(): String = "FriendMessage(sender=${sender.id}, message=$message)"

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/MessagePacket.kt

@@ -4,7 +4,9 @@ package net.mamoe.mirai.message
 
 import kotlinx.io.core.ByteReadPacket
 import net.mamoe.mirai.Bot
-import net.mamoe.mirai.contact.*
+import net.mamoe.mirai.contact.Contact
+import net.mamoe.mirai.contact.Group
+import net.mamoe.mirai.contact.QQ
 import net.mamoe.mirai.data.EventPacket
 import net.mamoe.mirai.event.events.BotEvent
 import net.mamoe.mirai.message.data.*
@@ -71,12 +73,19 @@ abstract class MessagePacketBase<TSender : QQ, TSubject : Contact>(_bot: Bot) :
 
     // region Image download
     suspend inline fun Image.downloadAsByteArray(): ByteArray = bot.run { downloadAsByteArray() }
+
     suspend inline fun Image.download(): ByteReadPacket = bot.run { download() }
     // endregion
 
-    fun At.qq(): QQ = bot.getQQ(this.target)
+    @Deprecated(message = "这个函数有歧义, 将在不久后删除", replaceWith = ReplaceWith("bot.getFriend(this.target)"))
+    fun At.qq(): QQ = bot.getFriend(this.target)
+
+    @Deprecated(message = "这个函数有歧义, 将在不久后删除", replaceWith = ReplaceWith("bot.getFriend(this.toLong())"))
+    fun Int.qq(): QQ = bot.getFriend(this.coerceAtLeastOrFail(0).toLong())
 
-    fun Int.qq(): QQ = bot.getQQ(this.coerceAtLeastOrFail(0).toLong())
-    fun Long.qq(): QQ = bot.getQQ(this.coerceAtLeastOrFail(0))
+    @Deprecated(message = "这个函数有歧义, 将在不久后删除", replaceWith = ReplaceWith("bot.getFriend(this)"))
+    fun Long.qq(): QQ = bot.getFriend(this.coerceAtLeastOrFail(0))
 
+    @Deprecated(message = "这个函数有歧义, 将在不久后删除", replaceWith = ReplaceWith("bot.getGroup(this)"))
+    fun Long.group(): Group = bot.getGroup(this)
 }
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