Meteor.methods

deleteMessage: (message) ->

if not Meteor.userId()

throw new Meteor.Error('invalid-user', "[methods] deleteMessage -> Invalid user")

originalMessage = RocketChat.models.Messages.findOneById message._id, {fields: {u: 1, rid: 1, file: 1}}

if not originalMessage?

throw new Meteor.Error 'message-deleting-not-allowed', "[methods] deleteMessage -> Message with id [#{message._id} dos not exists]"

hasPermission = RocketChat.authz.hasPermission(Meteor.userId(), 'delete-message', originalMessage.rid)

deleteAllowed = RocketChat.settings.get 'Message_AllowDeleting'

deleteOwn = originalMessage?.u?._id is Meteor.userId()

unless hasPermission or (deleteAllowed and deleteOwn)

throw new Meteor.Error 'message-deleting-not-allowed', "[methods] deleteMessage -> Message deleting not allowed"

keepHistory = RocketChat.settings.get 'Message_KeepHistory'

showDeletedStatus = RocketChat.settings.get 'Message_ShowDeletedStatus'

if keepHistory

if showDeletedStatus

RocketChat.models.Messages.cloneAndSaveAsHistoryById originalMessage._id

else

RocketChat.models.Messages.setHiddenById originalMessage._id, true

if originalMessage.file?._id?

RocketChat.models.Uploads.update originalMessage.file._id, {$set: {_hidden: true}}

else

if not showDeletedStatus

RocketChat.models.Messages.removeById originalMessage._id

if originalMessage.file?._id?

FileUpload.delete(originalMessage.file._id)

if showDeletedStatus

RocketChat.models.Messages.setAsDeletedById originalMessage._id

else

RocketChat.Notifications.notifyRoom originalMessage.rid, 'deleteMessage', {_id: originalMessage._id}