Added tabbar button for listing files uploaded to room.

client/routes/roomRoute.coffee

@@ -56,6 +56,7 @@ openRoom = (type, name) ->
 				RocketChat.TabBar.addButton({ id: 'members-list', title: t('User_Info'), icon: 'icon-user', template: 'membersList', order: 2 })
 			else
 				RocketChat.TabBar.addButton({ id: 'members-list', title: t('Members_List'), icon: 'icon-users', template: 'membersList', order: 2 })
+			RocketChat.TabBar.addButton({ id: 'uploaded-files-list', title: t('Room_uploaded_file_list'), icon: 'icon-download', template: 'uploadedFilesList', order: 3 })
 
 			# update user's room subscription
 			if ChatSubscription.findOne({rid: room._id})?.open is false

client/views/app/tabBar/uploadedFilesList.coffee

+Template.uploadedFilesList.helpers
+  files: ->
+    return fileCollection.find().fetch()
+
+  hasFiles: ->
+      return fileCollection.find().count() > 0
+
+  getFileIcon: (type) ->
+    if type.match(/^image\/.+$/)
+      return 'icon-picture'
+
+    return 'icon-docs'
+
+Template.uploadedFilesList.onCreated ->
+  instance = this
+  this.autorun ->
+    instance.subscribe 'roomFiles', Session.get('openedRoom')

client/views/app/tabBar/uploadedFilesList.html

+<template name="uploadedFilesList">
+  <div class="content">
+    <div class="list-view">
+      <div class="status">
+        <h2>{{_ "Room_uploaded_file_list"}}</h2>
+      </div>
+      {{#if hasFiles }}
+        <ul class='list clearfix lines'>
+          {{#each files}}
+            <li>
+              <i class="{{getFileIcon type}}"></i>
+              <a title="{{name}}" href="{{url}}" target="_blank">{{name}}</a>
+            </li>
+          {{/each}}
+        </ul>
+      {{else}}
+        <h2>{{_ "Room_uploaded_file_list_empty"}}</h2>
+      {{/if}}
+    </div>
+  </div>
+</template>
\ No newline at end of file

i18n/en.i18n.json

@@ -257,6 +257,8 @@
   "Room_name_changed" : "Room name changed to: <em>__room_name__</em> by <em>__user_by__</em>",
   "Room_name_changed_successfully" : "Room name changed successfully",
   "Room_not_found" : "Room not found",
+  "Room_uploaded_file_list" : "Files list",
+  "Room_uploaded_file_list_empty" : "No files available.",
   "room_user_count" : "%s users",
   "Rooms" : "Rooms",
   "Save" : "Save",

i18n/pt.i18n.json

@@ -251,6 +251,8 @@
   "Room_name_changed" : "Nome da sala alterado para: <em>__room_name__</em> por <em>__user_by__</em>",
   "Room_name_changed_successfully" : "Nome da sala alterado com sucesso",
   "Room_not_found" : "Sala não encontrada",
+  "Room_uploaded_file_list" : "Lista de arquivos",
+  "Room_uploaded_file_list_empty" : "Nenhum arquivo disponível",
   "room_user_count" : "%s usuários",
   "Rooms" : "Salas",
   "Save" : "Salvar",

server/publications/roomFiles.coffee

+Meteor.publish 'roomFiles', (rid) ->
+  unless this.userId
+    return this.ready()
+
+  console.log '[publish] roomFiles'.green, rid
+
+  # list of channel messages which were created after uploading a file
+  msgQuery =
+    rid: rid
+    'file._id': { $exists: true }
+  msgOptions =
+    fields:
+      _id: 1
+      'file._id': 1
+  cursorFileMessages = RocketChat.models.Messages.find(msgQuery, msgOptions);
+  uploadedFilesMessages = cursorFileMessages.fetch()
+  unless uploadedFilesMessages
+    return this.ready()
+
+  uploadIdList = _.map(uploadedFilesMessages, (doc) -> return doc?.file?._id)
+  unless uploadIdList
+    return this.ready()
+
+  fileQuery =
+    _id: { $in : uploadIdList }
+    complete: true
+    uploading: false
+
+  fileOptions =
+    fields:
+      _id: 1
+      name: 1
+      type: 1
+      url: 1
+
+  fileCollection.find(fileQuery, fileOptions)
+  this.ready()
+
+  # observe whether a new file was sent to the room and notifies subscribers
+  pub = this
+  cursorFileMessagesHandle = cursorFileMessages.observeChanges
+    added: (_id, record) ->
+      unless record?.file?._id
+        return pub.ready()
+
+      data = fileCollection.findOne({ _id: record.file._id }, fileOptions)
+      pub.added('rocketchat_uploads', record.file._id, data)
+
+  this.onStop ->
+    cursorFileMessagesHandle.stop()