android, desktop: block members

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/ChatModel.kt

@@ -137,6 +137,7 @@ object ChatModel {
   fun getChat(id: String): Chat? = chats.toList().firstOrNull { it.id == id }
   fun getContactChat(contactId: Long): Chat? = chats.toList().firstOrNull { it.chatInfo is ChatInfo.Direct && it.chatInfo.apiId == contactId }
   fun getGroupChat(groupId: Long): Chat? = chats.toList().firstOrNull { it.chatInfo is ChatInfo.Group && it.chatInfo.apiId == groupId }
+  fun getGroupMember(groupMemberId: Long): GroupMember? = groupMembers.firstOrNull { it.groupMemberId == groupMemberId }
   private fun getChatIndex(id: String): Int = chats.toList().indexOfFirst { it.id == id }
   fun addChat(chat: Chat) = chats.add(index = 0, chat)
 
@@ -442,6 +443,78 @@ object ChatModel {
     }
   }
 
+  fun getChatItemIndexOrNull(cItem: ChatItem): Int? {
+    val reversedChatItems = chatItems.asReversed()
+    val index = reversedChatItems.indexOfFirst { it.id == cItem.id }
+    return if (index != -1) index else null
+  }
+
+  // this function analyses "connected" events and assumes that each member will be there only once
+  fun getConnectedMemberNames(cItem: ChatItem): Pair<Int, List<String>> {
+    var count = 0
+    val ns = mutableListOf<String>()
+    var idx = getChatItemIndexOrNull(cItem)
+    if (cItem.mergeCategory != null && idx != null) {
+      val reversedChatItems = chatItems.asReversed()
+      while (idx < reversedChatItems.size) {
+        val ci = reversedChatItems[idx]
+        if (ci.mergeCategory != cItem.mergeCategory) break
+        val m = ci.memberConnected
+        if (m != null) {
+          ns.add(m.displayName)
+        }
+        count++
+        idx++
+      }
+    }
+    return count to ns
+  }
+
+  // returns the index of the passed item and the next item (it has smaller index)
+  fun getNextChatItem(ci: ChatItem): Pair<Int?, ChatItem?> {
+    val i = getChatItemIndexOrNull(ci)
+    return if (i != null) {
+      val reversedChatItems = chatItems.asReversed()
+      i to if (i > 0) reversedChatItems[i - 1] else null
+    } else {
+      null to null
+    }
+  }
+
+  // returns the index of the first item in the same merged group (the first hidden item)
+  // and the previous visible item with another merge category
+  fun getPrevShownChatItem(ciIndex: Int?, ciCategory: CIMergeCategory?): Pair<Int?, ChatItem?> {
+    var i = ciIndex ?: return null to null
+    val reversedChatItems = chatItems.asReversed()
+    val fst = reversedChatItems.lastIndex
+    while (i < fst) {
+      i++
+      val ci = reversedChatItems[i]
+      if (ciCategory == null || ciCategory != ci.mergeCategory) {
+        return i - 1 to ci
+      }
+    }
+    return i to null
+  }
+
+  // returns the previous member in the same merge group and the count of members in this group
+  fun getPrevHiddenMember(member: GroupMember, range: IntRange): Pair<GroupMember?, Int> {
+    val reversedChatItems = chatItems.asReversed()
+    var prevMember: GroupMember? = null
+    val names: MutableSet<Long> = mutableSetOf()
+    for (i in range) {
+      val dir = reversedChatItems[i].chatDir
+      if (dir is CIDirection.GroupRcv) {
+        val m = dir.groupMember
+        if (prevMember == null && m.groupMemberId != member.groupMemberId) {
+          prevMember = m
+        }
+        names.add(m.groupMemberId)
+      }
+    }
+    return prevMember to names.size
+  }
+
 //  func popChat(_ id: String) {
 //    if let i = getChatIndex(id) {
 //      popChat_(i)
@@ -474,7 +547,7 @@ object ChatModel {
     }
     // update current chat
     return if (chatId.value == groupInfo.id) {
-      val memberIndex = groupMembers.indexOfFirst { it.id == member.id }
+      val memberIndex = groupMembers.indexOfFirst { it.groupMemberId == member.groupMemberId }
       if (memberIndex >= 0) {
         groupMembers[memberIndex] = member
         false
@@ -1467,7 +1540,7 @@ data class ChatItem (
         chatController.appPrefs.privacyEncryptLocalFiles.get()
 
   val memberDisplayName: String? get() =
-    if (chatDir is CIDirection.GroupRcv) chatDir.groupMember.displayName
+    if (chatDir is CIDirection.GroupRcv) chatDir.groupMember.chatViewName
     else null
 
   val isDeletedContent: Boolean get() =
@@ -1491,6 +1564,29 @@ data class ChatItem (
       else -> null
     }
 
+  val mergeCategory: CIMergeCategory?
+    get() = when (content) {
+      is CIContent.RcvChatFeature,
+      is CIContent.SndChatFeature,
+      is CIContent.RcvGroupFeature,
+      is CIContent.SndGroupFeature -> CIMergeCategory.ChatFeature
+      is CIContent.RcvGroupEventContent -> when (content.rcvGroupEvent) {
+        is RcvGroupEvent.UserRole, is RcvGroupEvent.UserDeleted, is RcvGroupEvent.GroupDeleted, is RcvGroupEvent.MemberCreatedContact -> null
+        else -> CIMergeCategory.RcvGroupEvent
+      }
+      is CIContent.SndGroupEventContent -> when (content.sndGroupEvent) {
+        is SndGroupEvent.UserRole, is SndGroupEvent.UserLeft -> null
+        else -> CIMergeCategory.SndGroupEvent
+      }
+      else -> {
+        if (meta.itemDeleted == null) {
+          null
+        } else {
+          if (chatDir.sent) CIMergeCategory.SndItemDeleted else CIMergeCategory.RcvItemDeleted
+        }
+      }
+    }
+
   fun memberToModerate(chatInfo: ChatInfo): Pair<GroupInfo, GroupMember>? {
     return if (chatInfo is ChatInfo.Group && chatDir is CIDirection.GroupRcv) {
       val m = chatInfo.groupInfo.membership
@@ -1695,6 +1791,15 @@ data class ChatItem (
   }
 }
 
+enum class CIMergeCategory {
+  MemberConnected,
+  RcvGroupEvent,
+  SndGroupEvent,
+  SndItemDeleted,
+  RcvItemDeleted,
+  ChatFeature,
+}
+
 @Serializable
 sealed class CIDirection {
   @Serializable @SerialName("directSnd") class DirectSnd: CIDirection()
@@ -1895,7 +2000,9 @@ sealed class CIContent: ItemContent {
 
   @Serializable @SerialName("sndMsgContent") class SndMsgContent(override val msgContent: MsgContent): CIContent()
   @Serializable @SerialName("rcvMsgContent") class RcvMsgContent(override val msgContent: MsgContent): CIContent()
+  // legacy - since v4.3.0 itemDeleted field is used
   @Serializable @SerialName("sndDeleted") class SndDeleted(val deleteMode: CIDeleteMode): CIContent() { override val msgContent: MsgContent? get() = null }
+  // legacy - since v4.3.0 itemDeleted field is used
   @Serializable @SerialName("rcvDeleted")  class RcvDeleted(val deleteMode: CIDeleteMode): CIContent() { override val msgContent: MsgContent? get() = null }
   @Serializable @SerialName("sndCall") class SndCall(val status: CICallStatus, val duration: Int): CIContent() { override val msgContent: MsgContent? get() = null }
   @Serializable @SerialName("rcvCall") class RcvCall(val status: CICallStatus, val duration: Int): CIContent() { override val msgContent: MsgContent? get() = null }

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/SimpleXAPI.kt

@@ -745,6 +745,9 @@ object ChatController {
     }
   }
 
+  suspend fun apiSetMemberSettings(groupId: Long, groupMemberId: Long, memberSettings: GroupMemberSettings): Boolean =
+    sendCommandOkResp(CC.ApiSetMemberSettings(groupId, groupMemberId, memberSettings))
+
   suspend fun apiContactInfo(contactId: Long): Pair<ConnectionStats, Profile?>? {
     val r = sendCmd(CC.APIContactInfo(contactId))
     if (r is CR.ContactInfo) return r.connectionStats to r.customUserProfile
@@ -1911,6 +1914,7 @@ sealed class CC {
   class APISetNetworkConfig(val networkConfig: NetCfg): CC()
   class APIGetNetworkConfig: CC()
   class APISetChatSettings(val type: ChatType, val id: Long, val chatSettings: ChatSettings): CC()
+  class ApiSetMemberSettings(val groupId: Long, val groupMemberId: Long, val memberSettings: GroupMemberSettings): CC()
   class APIContactInfo(val contactId: Long): CC()
   class APIGroupMemberInfo(val groupId: Long, val groupMemberId: Long): CC()
   class APISwitchContact(val contactId: Long): CC()
@@ -2021,6 +2025,7 @@ sealed class CC {
     is APISetNetworkConfig -> "/_network ${json.encodeToString(networkConfig)}"
     is APIGetNetworkConfig -> "/network"
     is APISetChatSettings -> "/_settings ${chatRef(type, id)} ${json.encodeToString(chatSettings)}"
+    is ApiSetMemberSettings -> "/_member settings #$groupId $groupMemberId ${json.encodeToString(memberSettings)}"
     is APIContactInfo -> "/_info @$contactId"
     is APIGroupMemberInfo -> "/_info #$groupId $groupMemberId"
     is APISwitchContact -> "/_switch @$contactId"
@@ -2124,9 +2129,10 @@ sealed class CC {
     is APITestProtoServer -> "testProtoServer"
     is APISetChatItemTTL -> "apiSetChatItemTTL"
     is APIGetChatItemTTL -> "apiGetChatItemTTL"
-    is APISetNetworkConfig -> "/apiSetNetworkConfig"
-    is APIGetNetworkConfig -> "/apiGetNetworkConfig"
-    is APISetChatSettings -> "/apiSetChatSettings"
+    is APISetNetworkConfig -> "apiSetNetworkConfig"
+    is APIGetNetworkConfig -> "apiGetNetworkConfig"
+    is APISetChatSettings -> "apiSetChatSettings"
+    is ApiSetMemberSettings -> "apiSetMemberSettings"
     is APIContactInfo -> "apiContactInfo"
     is APIGroupMemberInfo -> "apiGroupMemberInfo"
     is APISwitchContact -> "apiSwitchContact"

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/ChatItemInfoView.kt

@@ -382,7 +382,7 @@ fun ChatItemInfoView(chatModel: ChatModel, ci: ChatItem, ciInfo: ChatItemInfo, d
 
 private fun membersStatuses(chatModel: ChatModel, memberDeliveryStatuses: List<MemberDeliveryStatus>): List<Pair<GroupMember, CIStatus>> {
   return memberDeliveryStatuses.mapNotNull { mds ->
-    chatModel.groupMembers.firstOrNull { it.groupMemberId == mds.groupMemberId }?.let { mem ->
+    chatModel.getGroupMember(mds.groupMemberId)?.let { mem ->
       mem to mds.memberDeliveryStatus
     }
   }