Admin badge in supergroups

app/js/directives.js

@@ -757,6 +757,46 @@ angular.module('myApp.directives', ['myApp.filters'])
     }
   })
 
+  .directive('myMessageAdminBadge', function (_, AppPeersManager, AppMessagesManager, AppProfileManager) {
+
+    var adminBadgeText = _('message_admin_badge')
+
+    return {
+      scope: {},
+      link: link
+    }
+
+    function link($scope, element, attrs) {
+      var message = $scope.$parent.$eval(attrs.myMessageAdminBadge)
+      var fromID = message && message.fromID
+      var peerID = message && AppMessagesManager.getMessagePeer(message)
+      console.warn(dT(), 'admin', message, fromID, peerID)
+      if (!fromID || !AppPeersManager.isMegagroup(peerID)) {
+        element.hide()
+        return
+      }
+
+      var channelID = -peerID
+
+      AppProfileManager.getChannelParticipants(channelID, {_: 'channelParticipantsAdmins'}).then(function (participants) {
+        var isAdmin = false
+        for (var i = 0, len = participants.length; i < len; i++) {
+          if (participants[i].user_id == fromID) {
+            isAdmin = true
+            break
+          }
+        }
+        if (isAdmin) {
+          element.text(adminBadgeText).show()
+        } else {
+          element.hide()
+        }
+      }, function () {
+        element.hide()
+      })
+    }
+  })
+
   .directive('myDialogs', function ($modalStack, $transition, $window, $timeout) {
     return {
       link: link

app/js/locales/en-us.json

@@ -384,6 +384,8 @@
 	"message_service_scored_X": "{'one': 'scored {}', 'other': 'scored {}'}",
 	"message_service_payment_sent": "Payment sent",
 
+	"message_admin_badge": "admin",
+	
 	"message_action_reply": "Reply",
 	"message_action_edit": "Edit",
 	"message_action_delete": "Delete",

app/js/services.js

@@ -1046,6 +1046,7 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
     var botInfos = {}
     var chatsFull = {}
     var chatFullPromises = {}
+    var chatParticipantsPromises = {}
 
     function saveBotInfo (botInfo) {
       var botID = botInfo && botInfo.user_id
@@ -1183,18 +1184,49 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
       })
     }
 
-    function getChannelParticipants (id) {
+    function getChannelParticipants (id, filter, limit, offset) {
+      filter = filter || {_: 'channelParticipantsRecent'}
+      limit = limit || 200
+      offset = offset || 0
+      var promiseKey = [id, filter._, offset, limit].join('_')
+      var promiseData = chatParticipantsPromises[promiseKey]
+
+      var fetchParticipants = function (cachedParticipants) {
+        var hash = 0
+        if (cachedParticipants) {
+          var userIDs = []
+          angular.forEach(cachedParticipants, function (participant) {
+            userIDs.push(participant.user_id)
+          })
+          userIDs.sort()
+          angular.forEach(userIDs, function (userID) {
+            hash = ((hash * 20261) + 0x80000000 + userID) % 0x80000000
+          })
+        }
         return MtpApiManager.invokeApi('channels.getParticipants', {
           channel: AppChatsManager.getChannelInput(id),
-        filter: {_: 'channelParticipantsRecent'},
-        offset: 0,
-        limit: AppChatsManager.isMegagroup(id) ? 50 : 200
+          filter: filter,
+          offset: offset,
+          limit: limit,
+          hash: hash
         }).then(function (result) {
+          if (result._ == 'channels.channelParticipantsNotModified') {
+            return cachedParticipants
+          }
           AppUsersManager.saveApiUsers(result.users)
-        var participants = result.participants
+          return result.participants
+        })
+      }
 
+      var maybeAddSelf = function (participants) {
         var chat = AppChatsManager.getChat(id)
-        if (!chat.pFlags.kicked && !chat.pFlags.left) {
+        var selfMustBeFirst = filter._ == 'channelParticipantsRecent' &&
+                              !offset &&
+                              !chat.pFlags.kicked &&
+                              !chat.pFlags.left
+
+        if (selfMustBeFirst) {
+          participants = angular.copy(participants)
           var myID = AppUsersManager.getSelf().id
           var myIndex = false
           var myParticipant
@@ -1212,9 +1244,25 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
           }
           participants.unshift(myParticipant)
         }
-
         return participants
+      }
+
+      var timeNow = tsNow()
+      if (promiseData !== undefined) {
+        var promise = promiseData[1]
+        if (promiseData[0] > timeNow - 60000) {
+          return promise
+        }
+        var newPromise = promise.then(function (cachedParticipants) {
+          return fetchParticipants(cachedParticipants).then(maybeAddSelf)
         })
+        chatParticipantsPromises[promiseKey] = [timeNow, newPromise]
+        return newPromise
+      }
+
+      var newPromise = fetchParticipants().then(maybeAddSelf)
+      chatParticipantsPromises[promiseKey] = [timeNow, newPromise]
+      return newPromise
     }
 
     function getChannelFull (id, force) {
@@ -1355,7 +1403,8 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
       getProfile: getProfile,
       getChatInviteLink: getChatInviteLink,
       getChatFull: getChatFull,
-      getChannelFull: getChannelFull
+      getChannelFull: getChannelFull,
+      getChannelParticipants: getChannelParticipants
     }
   })
 

app/less/app.less

@@ -1538,6 +1538,10 @@ a.im_dialog_selected {
 .im_message_fwd_via {
   margin-left: 0;
 }
+.im_message_author_admin {
+  color: #999;
+  margin-left: 6px;
+}
 
 .im_message_from_photo,
 .im_message_contact_photo,

app/less/mobile.less

@@ -934,6 +934,9 @@ a.im_message_author_via {
 .im_message_author {
   display: none;
 }
+.im_message_author_admin {
+  display: none;
+}
 
 .im_history_messages_group {
   a.im_message_author {
@@ -941,6 +944,10 @@ a.im_message_author_via {
     font-size: 13px;
     font-weight: normal;
   }
+  .im_message_author_admin {
+    display: inline;
+    font-size: 13px;
+  }
   .im_message_sign_link {
     font-size: 12px;
   }
@@ -953,19 +960,25 @@ a.im_message_author_via {
 
 .im_grouped_short a.im_message_from_photo,
 .im_grouped_short a.im_message_author,
+.im_grouped_short .im_message_author_admin,
 .im_grouped_short a.im_message_author_via,
 .im_grouped a.im_message_from_photo,
 .im_grouped a.im_message_author,
 .im_grouped a.im_message_author_via,
+.im_grouped a.im_message_author_admin,
 .im_grouped_fwd a.im_message_from_photo,
 .im_grouped_fwd a.im_message_author,
 .im_grouped_fwd a.im_message_author_via,
+.im_grouped_fwd a.im_message_author_admin,
 .im_grouped_fwd_short a.im_message_from_photo,
 .im_grouped_fwd_short a.im_message_author,
 .im_grouped_fwd_short a.im_message_author_via,
+.im_grouped_fwd_short a.im_message_author_admin,
 .im_message_out a.im_message_from_photo,
 .im_message_out a.im_message_author,
-.im_message_body_media a.im_message_author {
+.im_message_out a.im_message_author_admin,
+.im_message_body_media a.im_message_author,
+.im_message_body_media a.im_message_author_admin {
   display: none;
 }
 .im_message_wrap {

app/partials/desktop/message.html

@@ -47,7 +47,7 @@
       <div class="im_message_body" ng-class="::{im_message_body_media: historyMessage._ == 'message' &amp;&amp; historyMessage.media ? true : false}">
 
         <span class="im_message_author_wrap">
-          <span class="copyonly">[<span ng-bind="::historyMessage.date | time"></span>] </span><a class="im_message_author" my-peer-link="historyMessage.fromID" short="historyMessage.peerID > 0" color="historyMessage.peerID < 0" no-watch="true"></a><a ng-if="::historyMessage.viaBotID && !historyMessage.fwdFromID" class="im_message_author_via" ng-click="selectInlineBot(historyMessage.viaBotID, $event)"><span class="copyonly">&nbsp;</span><span my-i18n="message_via_bot"><my-i18n-param name="bot"><span class="im_message_fwd_author" my-peer-link="historyMessage.viaBotID" username="true" no-watch="true"></span></my-i18n-param></span></a><span class="copyonly">:</span>
+          <span class="copyonly">[<span ng-bind="::historyMessage.date | time"></span>] </span><a class="im_message_author" my-peer-link="historyMessage.fromID" short="historyMessage.peerID > 0" color="historyMessage.peerID < 0" no-watch="true"></a><a ng-if="::historyMessage.viaBotID && !historyMessage.fwdFromID" class="im_message_author_via" ng-click="selectInlineBot(historyMessage.viaBotID, $event)"><span class="copyonly">&nbsp;</span><span my-i18n="message_via_bot"><my-i18n-param name="bot"><span class="im_message_fwd_author" my-peer-link="historyMessage.viaBotID" username="true" no-watch="true"></span></my-i18n-param></span></a><span class="copyonly">:</span><span class="im_message_author_admin" my-message-admin-badge="historyMessage"></span>
         </span>
 
 

app/partials/mobile/message.html

@@ -48,6 +48,7 @@
 
           <a class="im_message_author" my-peer-link="historyMessage.fromID" short="historyMessage.peerID > 0" color="historyMessage.peerID < 0" no-watch="true"></a>
           <a ng-if="::historyMessage.viaBotID && !historyMessage.fwdFromID" class="im_message_author_via" my-i18n="message_via_bot" ng-click="selectInlineBot(historyMessage.viaBotID, $event)"><my-i18n-param name="bot"><span class="im_message_fwd_author" my-peer-link="historyMessage.viaBotID" username="true" no-watch="true"></span></my-i18n-param></a>
+          <span class="im_message_author_admin" my-message-admin-badge="historyMessage"></span>
 
           <a class="im_message_reply_wrap" my-reply-message="::historyMessage.reply_to_mid" ng-if="::historyMessage.reply_to_mid"></a>