Support joinTimestamp and lastSpeakTimestamp, fix #865, fix #394

Author: Him188

mirai-core-api/src/commonMain/kotlin/contact/NormalMember.kt

@@ -63,6 +63,20 @@ public interface NormalMember : Member {
      */
     public val muteTimeRemaining: Int
 
+    /**
+     * 入群时间. 单位为秒.
+     *
+     * @since 2.1
+     */
+    public val joinTimestamp: Int
+
+    /**
+     * 最后发言时间. 单位为秒.
+     *
+     * @since 2.1
+     */
+    public val lastSpeakTimestamp: Int
+
     /**
      * 解除禁言.
      *

mirai-core-api/src/commonMain/kotlin/data/MemberInfo.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2019-2020 Mamoe Technologies and contributors.
+ * Copyright 2019-2021 Mamoe Technologies and contributors.
  *
  *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
  *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
@@ -23,4 +23,14 @@ public interface MemberInfo : UserInfo {
     public val muteTimestamp: Int
 
     public val anonymousId: String? get() = null
+
+    /**
+     * 入群时间 秒
+     */
+    public val joinTimestamp: Int
+
+    /**
+     * 上次发言时间 秒
+     */
+    public val lastSpeakTimestamp: Int
 }

mirai-core/src/commonMain/kotlin/contact/MemberInfoImpl.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2019-2020 Mamoe Technologies and contributors.
+ * Copyright 2019-2021 Mamoe Technologies and contributors.
  *
  *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
  *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
@@ -12,6 +12,7 @@ package net.mamoe.mirai.internal.contact
 import net.mamoe.mirai.contact.MemberPermission
 import net.mamoe.mirai.data.MemberInfo
 import net.mamoe.mirai.internal.network.protocol.data.jce.StTroopMemberInfo
+import net.mamoe.mirai.utils.currentTimeSeconds
 
 internal class MemberInfoImpl(
     override val uin: Long,
@@ -22,6 +23,8 @@ internal class MemberInfoImpl(
     override val specialTitle: String,
     override val muteTimestamp: Int,
     override val anonymousId: String?,
+    override val joinTimestamp: Int = currentTimeSeconds().toInt(),
+    override var lastSpeakTimestamp: Int = 0
 ) : MemberInfo, UserInfoImpl(uin, nick, remark) {
     constructor(
         jceInfo: StTroopMemberInfo,
@@ -39,5 +42,7 @@ internal class MemberInfoImpl(
         specialTitle = jceInfo.sSpecialTitle.orEmpty(),
         muteTimestamp = jceInfo.dwShutupTimestap?.toInt() ?: 0,
         anonymousId = null,
+        joinTimestamp = jceInfo.dwJoinTime?.toInt() ?: 0,
+        lastSpeakTimestamp = jceInfo.dwLastSpeakTime?.toInt() ?: 0
     )
 }

mirai-core/src/commonMain/kotlin/contact/NormalMemberImpl.kt

@@ -43,6 +43,9 @@ internal class NormalMemberImpl constructor(
     @Suppress("unused") // false positive
     val lastMessageSequence: AtomicInt = atomic(-1)
 
+    override val joinTimestamp: Int get() = info.joinTimestamp
+    override val lastSpeakTimestamp: Int get() = info.lastSpeakTimestamp
+
     override fun toString(): String = "NormalMember($id)"
 
     @Suppress("UNCHECKED_CAST")

mirai-core/src/commonMain/kotlin/network/protocol/packet/chat/receive/OnlinePush.PbPushGroupMsg.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2019-2020 Mamoe Technologies and contributors.
+ * Copyright 2019-2021 Mamoe Technologies and contributors.
  *
  *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
  *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
@@ -103,6 +103,10 @@ internal object OnlinePushPbPushGroupMsg : IncomingPacketFactory<Packet?>("Onlin
             name = findSenderName(extraInfo, msgHead.groupInfo) ?: sender.nameCardOrNick
         }
 
+        sender.info?.castOrNull<MemberInfoImpl>()?.run {
+            lastSpeakTimestamp = currentTimeSeconds().toInt()
+        }
+
         if (isFromSelfAccount) {
             return GroupMessageSyncEvent(
                 message = msgs.toMessageChain(