Add search field in admin

packages/rocketchat-ui-admin/admin/adminFlex.coffee

@@ -1,4 +1,6 @@
 Template.adminFlex.onCreated ->
+	@settingsFilter = new ReactiveVar('')
+
 	if not RocketChat.settings.cachedCollectionPrivate?
 		RocketChat.settings.cachedCollectionPrivate = new RocketChat.CachedCollection({ name: 'private-settings', eventType: 'onAll' })
 		RocketChat.settings.collectionPrivate = RocketChat.settings.cachedCollectionPrivate.collection
@@ -7,9 +9,30 @@ Template.adminFlex.onCreated ->
 
 Template.adminFlex.helpers
 	groups: ->
-		return RocketChat.settings.collectionPrivate.find({type: 'group'}, { sort: { sort: 1, i18nLabel: 1 } }).fetch()
+		filter = Template.instance().settingsFilter.get()
+
+		query =
+			type: 'group'
+
+		if filter
+			filterRegex = new RegExp(_.escapeRegExp(filter), 'i')
+
+			records = RocketChat.settings.collectionPrivate.find().fetch()
+			groups = []
+			records = records.forEach (record) ->
+				if filterRegex.test(TAPi18n.__(record.i18nLabel or record._id))
+					groups.push(record.group or record._id)
+
+			groups = _.unique(groups)
+			if groups.length > 0
+				query._id =
+					$in: groups
+
+		return RocketChat.settings.collectionPrivate.find(query, { sort: { sort: 1, i18nLabel: 1 } }).fetch()
+
 	label: ->
 		return TAPi18n.__(@i18nLabel or @_id)
+
 	adminBoxOptions: ->
 		return RocketChat.AdminBox.getOptions()
 
@@ -29,3 +52,6 @@ Template.adminFlex.events
 
 	'click .admin-link': ->
 		menu.close()
+
+	'keyup [name=settings-search]': (e, t) ->
+		t.settingsFilter.set(e.target.value)

packages/rocketchat-ui-admin/admin/adminFlex.html

@@ -42,6 +42,10 @@
 						{{_ "Settings"}}
 					</h3>
 
+					<li>
+						<input type="text" name="settings-search" placeholder="{{_ 'Search'}}">
+					</li>
+
 					{{#each groups}}
 					<li>
 						<a href="{{pathFor 'admin' group=_id}}" class="admin-link">{{label}}</a>