android, desktop: notify contact about contact deletion (#3139)

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>

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

@@ -797,6 +797,7 @@ data class Contact(
   val activeConn: Connection,
   val viaGroup: Long? = null,
   val contactUsed: Boolean,
+  val contactStatus: ContactStatus,
   val chatSettings: ChatSettings,
   val userPreferences: ChatPreferences,
   val mergedPreferences: ContactUserPreferences,
@@ -809,8 +810,9 @@ data class Contact(
   override val id get() = "@$contactId"
   override val apiId get() = contactId
   override val ready get() = activeConn.connStatus == ConnStatus.Ready
+  val active get() = contactStatus == ContactStatus.Active
   override val sendMsgEnabled get() =
-    (ready && !(activeConn.connectionStats?.ratchetSyncSendProhibited ?: false))
+    (ready && active && !(activeConn.connectionStats?.ratchetSyncSendProhibited ?: false))
         || nextSendGrpInv
   val nextSendGrpInv get() = contactGroupMemberId != null && !contactGrpInvSent
   override val ntfsEnabled get() = chatSettings.enableNtfs
@@ -859,6 +861,7 @@ data class Contact(
       profile = LocalProfile.sampleData,
       activeConn = Connection.sampleData,
       contactUsed = true,
+      contactStatus = ContactStatus.Active,
       chatSettings = ChatSettings(enableNtfs = true, sendRcpts = null, favorite = false),
       userPreferences = ChatPreferences.sampleData,
       mergedPreferences = ContactUserPreferences.sampleData,
@@ -869,6 +872,12 @@ data class Contact(
   }
 }
 
+@Serializable
+enum class ContactStatus {
+  @SerialName("active") Active,
+  @SerialName("deleted") Deleted;
+}
+
 @Serializable
 class ContactRef(
   val contactId: Long,
@@ -1471,6 +1480,7 @@ data class ChatItem (
       is CIContent.RcvDecryptionError -> showNtfDir
       is CIContent.RcvGroupInvitation -> showNtfDir
       is CIContent.SndGroupInvitation -> showNtfDir
+      is CIContent.RcvDirectEventContent -> false
       is CIContent.RcvGroupEventContent -> when (content.rcvGroupEvent) {
         is RcvGroupEvent.MemberAdded -> false
         is RcvGroupEvent.MemberConnected -> false
@@ -1854,6 +1864,7 @@ sealed class CIContent: ItemContent {
   @Serializable @SerialName("rcvDecryptionError") class RcvDecryptionError(val msgDecryptError: MsgDecryptError, val msgCount: UInt): CIContent() { override val msgContent: MsgContent? get() = null }
   @Serializable @SerialName("rcvGroupInvitation") class RcvGroupInvitation(val groupInvitation: CIGroupInvitation, val memberRole: GroupMemberRole): CIContent() { override val msgContent: MsgContent? get() = null }
   @Serializable @SerialName("sndGroupInvitation") class SndGroupInvitation(val groupInvitation: CIGroupInvitation, val memberRole: GroupMemberRole): CIContent() { override val msgContent: MsgContent? get() = null }
+  @Serializable @SerialName("rcvDirectEvent") class RcvDirectEventContent(val rcvDirectEvent: RcvDirectEvent): CIContent() { override val msgContent: MsgContent? get() = null }
   @Serializable @SerialName("rcvGroupEvent") class RcvGroupEventContent(val rcvGroupEvent: RcvGroupEvent): CIContent() { override val msgContent: MsgContent? get() = null }
   @Serializable @SerialName("sndGroupEvent") class SndGroupEventContent(val sndGroupEvent: SndGroupEvent): CIContent() { override val msgContent: MsgContent? get() = null }
   @Serializable @SerialName("rcvConnEvent") class RcvConnEventContent(val rcvConnEvent: RcvConnEvent): CIContent() { override val msgContent: MsgContent? get() = null }
@@ -1881,6 +1892,7 @@ sealed class CIContent: ItemContent {
       is RcvDecryptionError -> msgDecryptError.text
       is RcvGroupInvitation -> groupInvitation.text
       is SndGroupInvitation -> groupInvitation.text
+      is RcvDirectEventContent -> rcvDirectEvent.text
       is RcvGroupEventContent -> rcvGroupEvent.text
       is SndGroupEventContent -> sndGroupEvent.text
       is RcvConnEventContent -> rcvConnEvent.text
@@ -2487,6 +2499,15 @@ sealed class MsgErrorType() {
   }
 }
 
+@Serializable
+sealed class RcvDirectEvent() {
+  @Serializable @SerialName("contactDeleted") class ContactDeleted(): RcvDirectEvent()
+
+  val text: String get() = when (this) {
+    is ContactDeleted -> generalGetString(MR.strings.rcv_direct_event_contact_deleted)
+  }
+}
+
 @Serializable
 sealed class RcvGroupEvent() {
   @Serializable @SerialName("memberAdded") class MemberAdded(val groupMemberId: Long, val profile: Profile): RcvGroupEvent()

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

@@ -1366,6 +1366,11 @@ object ChatController {
           chatModel.removeChat(r.connection.id)
         }
       }
+      is CR.ContactDeletedByContact -> {
+        if (active(r.user) && r.contact.directOrUsed) {
+          chatModel.updateContact(r.contact)
+        }
+      }
       is CR.ContactConnected -> {
         if (active(r.user) && r.contact.directOrUsed) {
           chatModel.updateContact(r.contact)
@@ -3304,6 +3309,7 @@ sealed class CR {
   @Serializable @SerialName("contactAlreadyExists") class ContactAlreadyExists(val user: UserRef, val contact: Contact): CR()
   @Serializable @SerialName("contactRequestAlreadyAccepted") class ContactRequestAlreadyAccepted(val user: UserRef, val contact: Contact): CR()
   @Serializable @SerialName("contactDeleted") class ContactDeleted(val user: UserRef, val contact: Contact): CR()
+  @Serializable @SerialName("contactDeletedByContact") class ContactDeletedByContact(val user: UserRef, val contact: Contact): CR()
   @Serializable @SerialName("chatCleared") class ChatCleared(val user: UserRef, val chatInfo: ChatInfo): CR()
   @Serializable @SerialName("userProfileNoChange") class UserProfileNoChange(val user: User): CR()
   @Serializable @SerialName("userProfileUpdated") class UserProfileUpdated(val user: User, val fromProfile: Profile, val toProfile: Profile, val updateSummary: UserProfileUpdateSummary): CR()
@@ -3435,6 +3441,7 @@ sealed class CR {
     is ContactAlreadyExists -> "contactAlreadyExists"
     is ContactRequestAlreadyAccepted -> "contactRequestAlreadyAccepted"
     is ContactDeleted -> "contactDeleted"
+    is ContactDeletedByContact -> "contactDeletedByContact"
     is ChatCleared -> "chatCleared"
     is UserProfileNoChange -> "userProfileNoChange"
     is UserProfileUpdated -> "userProfileUpdated"
@@ -3563,6 +3570,7 @@ sealed class CR {
     is ContactAlreadyExists -> withUser(user, json.encodeToString(contact))
     is ContactRequestAlreadyAccepted -> withUser(user, json.encodeToString(contact))
     is ContactDeleted -> withUser(user, json.encodeToString(contact))
+    is ContactDeletedByContact -> withUser(user, json.encodeToString(contact))
     is ChatCleared -> withUser(user, json.encodeToString(chatInfo))
     is UserProfileNoChange -> withUser(user, noDetails())
     is UserProfileUpdated -> withUser(user, json.encodeToString(toProfile))
@@ -3831,6 +3839,7 @@ sealed class ChatErrorType {
       is InvalidConnReq -> "invalidConnReq"
       is InvalidChatMessage -> "invalidChatMessage"
       is ContactNotReady -> "contactNotReady"
+      is ContactNotActive -> "contactNotActive"
       is ContactDisabled -> "contactDisabled"
       is ConnectionDisabled -> "connectionDisabled"
       is GroupUserRole -> "groupUserRole"
@@ -3906,6 +3915,7 @@ sealed class ChatErrorType {
   @Serializable @SerialName("invalidConnReq") object InvalidConnReq: ChatErrorType()
   @Serializable @SerialName("invalidChatMessage") class InvalidChatMessage(val connection: Connection, val message: String): ChatErrorType()
   @Serializable @SerialName("contactNotReady") class ContactNotReady(val contact: Contact): ChatErrorType()
+  @Serializable @SerialName("contactNotActive") class ContactNotActive(val contact: Contact): ChatErrorType()
   @Serializable @SerialName("contactDisabled") class ContactDisabled(val contact: Contact): ChatErrorType()
   @Serializable @SerialName("connectionDisabled") class ConnectionDisabled(val connection: Connection): ChatErrorType()
   @Serializable @SerialName("groupUserRole") class GroupUserRole(val groupInfo: GroupInfo, val requiredRole: GroupMemberRole): ChatErrorType()

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

@@ -15,7 +15,6 @@ import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.text.*
 import androidx.compose.material.*
 import androidx.compose.runtime.*
-import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
@@ -291,7 +290,7 @@ fun ChatInfoLayout(
       SectionDividerSpaced()
     }
 
-    if (contact.ready) {
+    if (contact.ready && contact.active) {
       SectionView {
         if (connectionCode != null) {
           VerifyCodeButton(contact.verified, verifyClicked)
@@ -318,7 +317,7 @@ fun ChatInfoLayout(
       SectionDividerSpaced()
     }
 
-    if (contact.ready) {
+    if (contact.ready && contact.active) {
       SectionView(title = stringResource(MR.strings.conn_stats_section_title_servers)) {
         SectionItemView({
           AlertManager.shared.showAlertMsg(

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

@@ -118,7 +118,12 @@ fun ChatView(chatId: String, chatModel: ChatModel, onComposed: suspend (chatId:
           Modifier.fillMaxWidth(),
           horizontalAlignment = Alignment.CenterHorizontally
         ) {
-          if (chat.chatInfo is ChatInfo.Direct && !chat.chatInfo.contact.ready && !chat.chatInfo.contact.nextSendGrpInv) {
+          if (
+            chat.chatInfo is ChatInfo.Direct
+            && !chat.chatInfo.contact.ready
+            && chat.chatInfo.contact.active
+            && !chat.chatInfo.contact.nextSendGrpInv
+          ) {
             Text(
               generalGetString(MR.strings.contact_connection_pending),
               Modifier.padding(top = 4.dp),
@@ -550,15 +555,15 @@ fun ChatInfoToolbar(
         showMenu.value = false
         startCall(CallMediaType.Audio)
       },
-      enabled = chat.chatInfo.contact.ready) {
+      enabled = chat.chatInfo.contact.ready && chat.chatInfo.contact.active) {
         Icon(
           painterResource(MR.images.ic_call_500),
           stringResource(MR.strings.icon_descr_more_button),
-          tint = if (chat.chatInfo.contact.ready) MaterialTheme.colors.primary else MaterialTheme.colors.secondary
+          tint = if (chat.chatInfo.contact.ready && chat.chatInfo.contact.active) MaterialTheme.colors.primary else MaterialTheme.colors.secondary
         )
       }
     }
-    if (chat.chatInfo.contact.ready) {
+    if (chat.chatInfo.contact.ready && chat.chatInfo.contact.active) {
       menuItems.add {
         ItemAction(stringResource(MR.strings.icon_descr_video_call).capitalize(Locale.current), painterResource(MR.images.ic_videocam), onClick = {
           showMenu.value = false
@@ -576,7 +581,7 @@ fun ChatInfoToolbar(
       }
     }
   }
-  if ((chat.chatInfo is ChatInfo.Direct && chat.chatInfo.contact.ready) || chat.chatInfo is ChatInfo.Group) {
+  if ((chat.chatInfo is ChatInfo.Direct && chat.chatInfo.contact.ready && chat.chatInfo.contact.active) || chat.chatInfo is ChatInfo.Group) {
     val ntfsEnabled = remember { mutableStateOf(chat.chatInfo.ntfsEnabled) }
     menuItems.add {
       ItemAction(

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

@@ -352,6 +352,7 @@ fun ChatItemView(
           is CIContent.RcvDecryptionError -> CIRcvDecryptionError(c.msgDecryptError, c.msgCount, cInfo, cItem, updateContactStats = updateContactStats, updateMemberStats = updateMemberStats, syncContactConnection = syncContactConnection, syncMemberConnection = syncMemberConnection, findModelChat = findModelChat, findModelMember = findModelMember)
           is CIContent.RcvGroupInvitation -> CIGroupInvitationView(cItem, c.groupInvitation, c.memberRole, joinGroup = joinGroup, chatIncognito = cInfo.incognito)
           is CIContent.SndGroupInvitation -> CIGroupInvitationView(cItem, c.groupInvitation, c.memberRole, joinGroup = joinGroup, chatIncognito = cInfo.incognito)
+          is CIContent.RcvDirectEventContent -> EventItemView()
           is CIContent.RcvGroupEventContent -> when (c.rcvGroupEvent) {
             is RcvGroupEvent.MemberConnected -> CIEventView(membersConnectedItemText())
             is RcvGroupEvent.MemberCreatedContact -> CIMemberCreatedContactView(cItem, openDirectChat)

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

@@ -42,7 +42,7 @@ fun ChatPreviewView(
   val cInfo = chat.chatInfo
 
   @Composable
-  fun groupInactiveIcon() {
+  fun inactiveIcon() {
     Icon(
       painterResource(MR.images.ic_cancel_filled),
       stringResource(MR.strings.icon_descr_group_inactive),
@@ -53,13 +53,19 @@ fun ChatPreviewView(
 
   @Composable
   fun chatPreviewImageOverlayIcon() {
-    if (cInfo is ChatInfo.Group) {
+    when (cInfo) {
-      when (cInfo.groupInfo.membership.memberStatus) {
+      is ChatInfo.Direct ->
-        GroupMemberStatus.MemLeft -> groupInactiveIcon()
+        if (!cInfo.contact.active) {
-        GroupMemberStatus.MemRemoved -> groupInactiveIcon()
+          inactiveIcon()
-        GroupMemberStatus.MemGroupDeleted -> groupInactiveIcon()
+        }
-        else -> {}
+      is ChatInfo.Group ->
+        when (cInfo.groupInfo.membership.memberStatus) {
+          GroupMemberStatus.MemLeft -> inactiveIcon()
+          GroupMemberStatus.MemRemoved -> inactiveIcon()
+          GroupMemberStatus.MemGroupDeleted -> inactiveIcon()
+          else -> {}
       }
+      else -> {}
     }
   }
 
@@ -125,7 +131,7 @@ fun ChatPreviewView(
           if (cInfo.contact.verified) {
             VerifiedIcon()
           }
-          chatPreviewTitleText(if (cInfo.ready) Color.Unspecified else MaterialTheme.colors.secondary)
+          chatPreviewTitleText()
         }
       is ChatInfo.Group ->
         when (cInfo.groupInfo.membership.memberStatus) {
@@ -174,7 +180,7 @@ fun ChatPreviewView(
         is ChatInfo.Direct ->
           if (cInfo.contact.nextSendGrpInv) {
             Text(stringResource(MR.strings.member_contact_send_direct_message), color = MaterialTheme.colors.secondary)
-          } else if (!cInfo.ready) {
+          } else if (!cInfo.ready && cInfo.contact.active) {
             Text(stringResource(MR.strings.contact_connection_pending), color = MaterialTheme.colors.secondary)
           }
         is ChatInfo.Group ->
@@ -191,28 +197,32 @@ fun ChatPreviewView(
   @Composable
   fun chatStatusImage() {
     if (cInfo is ChatInfo.Direct) {
-      val descr = contactNetworkStatus?.statusString
+      if (cInfo.contact.active) {
-      when (contactNetworkStatus) {
+        val descr = contactNetworkStatus?.statusString
-        is NetworkStatus.Connected ->
+        when (contactNetworkStatus) {
-          IncognitoIcon(chat.chatInfo.incognito)
+          is NetworkStatus.Connected ->
+            IncognitoIcon(chat.chatInfo.incognito)
 
-        is NetworkStatus.Error ->
+          is NetworkStatus.Error ->
-          Icon(
+            Icon(
-            painterResource(MR.images.ic_error),
+              painterResource(MR.images.ic_error),
-            contentDescription = descr,
+              contentDescription = descr,
-            tint = MaterialTheme.colors.secondary,
+              tint = MaterialTheme.colors.secondary,
-            modifier = Modifier
+              modifier = Modifier
-              .size(19.dp)
+                .size(19.dp)
-          )
+            )
 
-        else ->
+          else ->
-          CircularProgressIndicator(
+            CircularProgressIndicator(
-            Modifier
+              Modifier
-              .padding(horizontal = 2.dp)
+                .padding(horizontal = 2.dp)
-              .size(15.dp),
+                .size(15.dp),
-            color = MaterialTheme.colors.secondary,
+              color = MaterialTheme.colors.secondary,
-            strokeWidth = 1.5.dp
+              strokeWidth = 1.5.dp
-          )
+            )
+        }
+      } else {
+        IncognitoIcon(chat.chatInfo.incognito)
       }
     } else {
       IncognitoIcon(chat.chatInfo.incognito)

apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml

@@ -1105,6 +1105,9 @@
   <string name="you_rejected_group_invitation">You rejected group invitation</string>
   <string name="group_invitation_expired">Group invitation expired</string>
 
+  <!-- Direct event chat items -->
+  <string name="rcv_direct_event_contact_deleted">deleted contact</string>
+
   <!-- Group event chat items -->
   <string name="rcv_group_event_member_added">invited %1$s</string>
   <string name="rcv_group_event_member_connected">connected</string>