using settings model correctly

packages/rocketchat-github-enterprise/common.coffee

@@ -13,7 +13,7 @@ GitHubEnterprise = new CustomOAuth 'github_enterprise', config
 
 if Meteor.isServer
 	Meteor.startup ->
-		RocketChat.models.Settings.find({ _id: 'API_GitHub_Enterprise_URL' }).observe
+		RocketChat.models.Settings.findById('API_GitHub_Enterprise_URL').observe
 			added: (record) ->
 				config.serverURL = RocketChat.settings.get 'API_GitHub_Enterprise_URL'
 				GitHubEnterprise.configure config

packages/rocketchat-gitlab/common.coffee

@@ -9,7 +9,7 @@ Gitlab = new CustomOAuth 'gitlab', config
 
 if Meteor.isServer
 	Meteor.startup ->
-		RocketChat.models.Settings.find({ _id: 'API_Gitlab_URL' }).observe
+		RocketChat.models.Settings.findById('API_Gitlab_URL').observe
 			added: (record) ->
 				config.serverURL = RocketChat.settings.get 'API_Gitlab_URL'
 				Gitlab.configure config

packages/rocketchat-hubot/hubot.coffee

@@ -339,7 +339,7 @@ init = =>
 		# 		username: "rocketbot"
 		# 	action: true
 
-RocketChat.models.Settings.find({ _id: { $in: [ 'RocketBot_Name', 'RocketBot_Enabled'] } }).observe
+RocketChat.models.Settings.findByIds([ 'RocketBot_Name', 'RocketBot_Enabled']).observe
 	added: ->
 		init()
 	changed: ->

packages/rocketchat-lib/server/models/Settings.coffee

@@ -2,6 +2,7 @@ RocketChat.models.Settings = new class extends RocketChat.models._Base
 	constructor: ->
 		@_initModel 'settings'
 
+		@tryEnsureIndex { 'hidden': 1 }, { sparse: 1 }
 
 	# FIND ONE
 	findOneById: (_id, options) ->
@@ -12,6 +13,21 @@ RocketChat.models.Settings = new class extends RocketChat.models._Base
 
 
 	# FIND
+	findById: (_id) ->
+		query =
+			_id: _id
+
+		return @find query
+
+	findByIds: (_id = []) ->
+		_id = [].concat _id
+
+		query =
+			_id:
+				$in: _id
+
+		return @find query
+
 	findByRole: (role, options) ->
 		query =
 			role: role
@@ -24,6 +40,19 @@ RocketChat.models.Settings = new class extends RocketChat.models._Base
 
 		return @find query, options
 
+	findNotHiddenPublic: (ids = [])->
+		filter =
+			hidden: { $ne: true }
+			public: true
+
+		if ids.length > 0
+			filter._id =
+				$in: ids
+
+		return @find filter, { fields: _id: 1, value: 1 }
+
+	findNotHidden: ->
+		return @find { hidden: { $ne: true } }
 
 	# UPDATE
 	updateValueById: (_id, value) ->

packages/rocketchat-lib/server/publications/settings.coffee

 Meteor.publish 'settings', (ids = []) ->
-	filter =
-		hidden: { $ne: true }
-		public: true
-
-	if ids.length > 0
-		filter._id =
-			$in: ids
-
-	return RocketChat.models.Settings.find filter, { fields: _id: 1, value: 1 }
+	return RocketChat.models.Settings.findNotHiddenPublic(ids)
 
 Meteor.publish 'admin-settings', ->
 	unless @userId
 		return @ready()
 
 	if RocketChat.authz.hasPermission( @userId, 'view-privileged-setting')
-		return RocketChat.models.Settings.find({ hidden: { $ne: true } })
+		return RocketChat.models.Settings.findNotHidden()
 	else
 		return @ready()