Supports friend message quote reply

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

@@ -53,11 +53,52 @@ internal inline class MessageSourceFromMsg(
 
     // override val sourceMessage: MessageChain get() = delegate.toMessageChain()
     override val senderId: Long get() = delegate.msgHead.fromUin
-    override val groupId: Long get() = delegate.msgHead.groupInfo!!.groupCode
+    override val groupId: Long get() = delegate.msgHead.groupInfo?.groupCode ?: 0
 
     fun toJceData(): ImMsgBody.SourceMsg {
+        return if (groupId == 0L) {
+            toJceDataImplForFriend()
+        } else toJceDataImplForGroup()
+    }
+
+    private fun toJceDataImplForFriend(): ImMsgBody.SourceMsg {
+        return ImMsgBody.SourceMsg(
+            origSeqs = listOf(delegate.msgHead.msgSeq),
+            senderUin = delegate.msgHead.fromUin,
+            toUin = delegate.msgHead.toUin,
+            flag = 1,
+            elems = delegate.msgBody.richText.elems,
+            type = 0,
+            time = delegate.msgHead.msgTime,
+            pbReserve = SourceMsg.ResvAttr(
+                origUids = messageRandom.toLong() and 0xffFFffFF
+            ).toByteArray(SourceMsg.ResvAttr.serializer()),
+            srcMsg = MsgComm.Msg(
+                msgHead = MsgComm.MsgHead(
+                    fromUin = delegate.msgHead.fromUin, // qq
+                    toUin = delegate.msgHead.toUin, // group
+                    msgType = delegate.msgHead.msgType, // 82?
+                    c2cCmd = delegate.msgHead.c2cCmd,
+                    msgSeq = delegate.msgHead.msgSeq,
+                    msgTime = delegate.msgHead.msgTime,
+                    msgUid = messageRandom.toLong() and 0xffFFffFF, // ok
+                    // groupInfo = MsgComm.GroupInfo(groupCode = delegate.msgHead.groupInfo.groupCode),
+                    isSrcMsg = true
+                ),
+                msgBody = ImMsgBody.MsgBody(
+                    richText = ImMsgBody.RichText(
+                        elems = delegate.msgBody.richText.elems.also {
+                            if (it.last().elemFlags2 == null) it.add(ImMsgBody.Elem(elemFlags2 = ImMsgBody.ElemFlags2()))
+                        }
+                    )
+                )
+            ).toByteArray(MsgComm.Msg.serializer())
+        )
+    }
+
+    private fun toJceDataImplForGroup(): ImMsgBody.SourceMsg {
 
-        val groupUin = Group.calculateGroupUinByGroupCode(delegate.msgHead.groupInfo!!.groupCode)
+        val groupUin = Group.calculateGroupUinByGroupCode(groupId)
 
         return ImMsgBody.SourceMsg(
             origSeqs = listOf(delegate.msgHead.msgSeq),
@@ -78,9 +119,8 @@ internal inline class MessageSourceFromMsg(
                     c2cCmd = delegate.msgHead.c2cCmd,
                     msgSeq = delegate.msgHead.msgSeq,
                     msgTime = delegate.msgHead.msgTime,
-                    msgUid = messageRandom.toLong() and 0xffFFffFF
-                    , // ok
-                    groupInfo = MsgComm.GroupInfo(groupCode = delegate.msgHead.groupInfo.groupCode),
+                    msgUid = messageRandom.toLong() and 0xffFFffFF, // ok
+                    groupInfo = MsgComm.GroupInfo(groupCode = groupId),
                     isSrcMsg = true
                 ),
                 msgBody = ImMsgBody.MsgBody(

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

@@ -15,7 +15,6 @@ import net.mamoe.mirai.contact.Group
 import net.mamoe.mirai.contact.Member
 import net.mamoe.mirai.contact.MemberPermission
 import net.mamoe.mirai.event.Event
-import net.mamoe.mirai.message.data.Message
 import net.mamoe.mirai.message.data.MessageChain
 import net.mamoe.mirai.message.data.MessageSource
 import net.mamoe.mirai.recall
@@ -23,7 +22,6 @@ import net.mamoe.mirai.recallIn
 import net.mamoe.mirai.utils.MiraiExperimentalAPI
 import net.mamoe.mirai.utils.getValue
 import net.mamoe.mirai.utils.unsafeWeakRef
-import kotlin.jvm.JvmName
 
 @Suppress("unused", "NOTHING_TO_INLINE")
 class GroupMessage(
@@ -43,15 +41,6 @@ class GroupMessage(
 
     inline fun Long.member(): Member = group[this]
 
-    @JvmName("reply2")
-    suspend inline fun String.quoteReply(): MessageReceipt<Group> = quoteReply(this)
-
-    @JvmName("reply2")
-    suspend inline fun Message.quoteReply(): MessageReceipt<Group> = quoteReply(this)
-
-    @JvmName("reply2")
-    suspend inline fun MessageChain.quoteReply(): MessageReceipt<Group> = quoteReply(this)
-
     @MiraiExperimentalAPI
     suspend inline fun MessageChain.recall() = bot.recall(this)
 

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

@@ -114,6 +114,15 @@ abstract class MessagePacketBase<TSender : QQ, TSubject : Contact> : Packet, Bot
     suspend inline fun quoteReply(message: Message): MessageReceipt<TSubject> = reply(this.message.quote() + message)
     suspend inline fun quoteReply(plain: String): MessageReceipt<TSubject> = reply(this.message.quote() + plain)
 
+    @JvmName("reply2")
+    suspend inline fun String.quoteReply(): MessageReceipt<TSubject> = quoteReply(this)
+
+    @JvmName("reply2")
+    suspend inline fun Message.quoteReply(): MessageReceipt<TSubject> = quoteReply(this)
+
+    @JvmName("reply2")
+    suspend inline fun MessageChain.quoteReply(): MessageReceipt<TSubject> = quoteReply(this)
+
     /**
      * 引用这个消息. 当且仅当消息为群消息时可用. 否则将会抛出 [IllegalArgumentException]
      */

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

@@ -37,7 +37,7 @@ class QuoteReply @MiraiInternalAPI constructor(val source: MessageSource) : Mess
 fun MessageChain.quote(sender: QQ): MessageChain {
     this.firstOrNull<MessageSource>()?.let {
         return if (it.groupId == 0L) {
-            QuoteReply(it) + " " // required
+            QuoteReply(it).toChain() // required
         } else {
             check(sender is Member) { "sender must be Member to quote a GroupMessage" }
             QuoteReply(it) + sender.at() + " " // required