Fix MessageSource.originalMessage: now offline sources does not have MessageSource in their originalMessage

mirai-core/src/commonMain/kotlin/message/conversions.kt

@@ -306,7 +306,7 @@ internal fun List<MsgComm.Msg>.toMessageChain(
     bot: Bot?,
     botId: Long,
     groupIdOrZero: Long,
-    onlineSource: Boolean,
+    onlineSource: Boolean?,
     messageSourceKind: MessageSourceKind
 ): MessageChain {
     val elements = this.flatMap { it.msgBody.richText.elems }
@@ -324,7 +324,8 @@ internal fun List<MsgComm.Msg>.toMessageChain(
         }
     }
     return buildMessageChain(elements.size + 1 + ptts.size) {
-        if (onlineSource) {
+        when (onlineSource) {
+            true -> {
                 checkNotNull(bot) { "bot is null" }
 
                 when (messageSourceKind) {
@@ -333,9 +334,14 @@ internal fun List<MsgComm.Msg>.toMessageChain(
                     MessageSourceKind.FRIEND -> +OnlineMessageSourceFromFriendImpl(bot, this@toMessageChain)
                     MessageSourceKind.STRANGER -> +OnlineMessageSourceFromStrangerImpl(bot, this@toMessageChain)
                 }
-        } else {
+            }
+            false -> {
                 +OfflineMessageSourceImplData(bot, this@toMessageChain, botId)
             }
+            null -> {
+
+            }
+        }
         elements.joinToMessageChain(groupIdOrZero, messageSourceKind, botId, this)
         addAll(ptts)
     }.cleanupRubbishMessageElements()
@@ -352,12 +358,13 @@ internal fun ImMsgBody.SourceMsg.toMessageChain(
     if (elements.isEmpty())
         error("elements for SourceMsg is empty")
     return buildMessageChain(elements.size + 1) {
+        /*
         +OfflineMessageSourceImplData(
             delegate = this@toMessageChain,
             botId = botId,
             messageSourceKind = messageSourceKind,
             groupIdOrZero = groupIdOrZero
-        )
+        )*/
         elements.joinToMessageChain(groupIdOrZero, messageSourceKind, botId, this)
     }.cleanupRubbishMessageElements()
 }

mirai-core/src/commonMain/kotlin/message/incomingSourceImpl.kt

@@ -90,7 +90,7 @@ internal class OnlineMessageSourceFromFriendImpl(
             bot,
             bot.id,
             0,
-            false,
+            null,
             MessageSourceKind.FRIEND
         )
     }
@@ -121,7 +121,7 @@ internal class OnlineMessageSourceFromStrangerImpl(
             bot,
             bot.id,
             0,
-            false,
+            null,
             MessageSourceKind.STRANGER
         )
     }
@@ -185,7 +185,7 @@ internal class OnlineMessageSourceFromTempImpl(
             bot,
             bot.id,
             groupIdOrZero = 0,
-            onlineSource = false,
+            onlineSource = null,
             MessageSourceKind.TEMP
         )
     }
@@ -212,7 +212,7 @@ internal data class OnlineMessageSourceFromGroupImpl(
     override val ids: IntArray get() = sequenceIds
     override val time: Int get() = msg.first().msgHead.msgTime
     override val originalMessage: MessageChain by lazy {
-        msg.toMessageChain(bot, bot.id, groupIdOrZero = group.id, onlineSource = false, MessageSourceKind.GROUP)
+        msg.toMessageChain(bot, bot.id, groupIdOrZero = group.id, onlineSource = null, MessageSourceKind.GROUP)
     }
 
     override val sender: Member by lazy {

mirai-core/src/commonMain/kotlin/message/offlineSourceImpl.kt

@@ -75,13 +75,17 @@ internal class OfflineMessageSourceImplData(
 
         other as OfflineMessageSourceImplData
 
+        val originElems = originElems
+        if (originElems != null) {
+            if (originElems == other.originElems) return true
+        }
+
         if (kind != other.kind) return false
         if (!ids.contentEquals(other.ids)) return false
         if (botId != other.botId) return false
         if (time != other.time) return false
         if (fromId != other.fromId) return false
         if (targetId != other.targetId) return false
-        // TODO: 2021-01-09: 解决 QuoteReply 的 MessageSource 因为 originalMessage 造成的死循环
         if (originalMessage != other.originalMessage) return false
         if (!internalIds.contentEquals(other.internalIds)) return false
 
@@ -95,7 +99,6 @@ internal class OfflineMessageSourceImplData(
         result = 31 * result + time
         result = 31 * result + fromId.hashCode()
         result = 31 * result + targetId.hashCode()
-        // TODO: 2021-01-09: 解决 QuoteReply 的 MessageSource 因为 originalMessage 造成的死循环
         result = 31 * result + originalMessage.hashCode()
         result = 31 * result + internalIds.contentHashCode()
         return result
@@ -131,7 +134,7 @@ internal fun OfflineMessageSourceImplData(
             null,
             botId,
             groupIdOrZero = head.groupInfo?.groupCode ?: 0,
-            onlineSource = false,
+            onlineSource = null,
             messageSourceKind = kind
         ),
         ids = delegate.mapToIntArray { it.msgHead.msgSeq },