Add an endpoint to remove a notification by its key alone

services/notifications/app.coffee

@@ -24,6 +24,7 @@ app.post '/user/:user_id', controller.addNotification
 app.get '/user/:user_id', controller.getUserNotifications
 app.del '/user/:user_id/notification/:notification_id', controller.removeNotificationId
 app.del '/user/:user_id', controller.removeNotificationKey
+app.del '/notification/key/:key', controller.removeNotificationByKeyOnly
 
 app.get '/status', (req, res)->
 	res.send('notifications sharelatex up')

services/notifications/app/coffee/Notifications.coffee

@@ -44,3 +44,10 @@ module.exports =
 		updateOperation =
 			"$unset": {templateKey:true}
 		db.notifications.update searchOps, updateOperation, callback
+
+	removeNotificationByKeyOnly: (notification_key, callback)->
+		searchOps =
+			key: notification_key
+		updateOperation =
+			"$unset": {templateKey:true}
+		db.notifications.update searchOps, updateOperation, callback

services/notifications/app/coffee/NotificationsController.coffee

@@ -30,3 +30,10 @@ module.exports =
 		metrics.inc "removeNotificationKey"
 		Notifications.removeNotificationKey req.params.user_id, req.body.key, (err, notifications)->
 			res.send()
+
+	removeNotificationByKeyOnly: (req, res)->
+		notification_key = req.params.key
+		logger.log {notification_key}, "mark notification as read by key only"
+		metrics.inc "removeNotificationKey"
+		Notifications.removeNotificationByKeyOnly notification_key, (err, notifications)->
+			res.send()

services/notifications/test/unit/coffee/NotificationsControllerTest.coffee

@@ -64,3 +64,13 @@ describe 'Notifications Controller', ->
 			@controller.removeNotificationKey req, send:(result)=>
 				@notifications.removeNotificationKey.calledWith(user_id, notification_key).should.equal true
 				done()
+
+	describe "removeNotificationByKeyOnly", ->
+		it "should tell the notifications to mark the notification Key as read", (done)->
+			@notifications.removeNotificationByKeyOnly = sinon.stub().callsArgWith(1)
+			req =
+				params:
+					key: notification_key
+			@controller.removeNotificationByKeyOnly req, send:(result)=>
+				@notifications.removeNotificationByKeyOnly.calledWith(notification_key).should.equal true
+				done()

services/notifications/test/unit/coffee/NotificationsTests.coffee

@@ -85,3 +85,15 @@ describe 'Notifications Tests', ->
 					"$unset": {templateKey:true}
 				@updateStub.calledWith(searchOps, updateOperation).should.equal true
 				done()
+
+	describe 'removeNotificationByKeyOnly', ->
+		it 'should mark the notification key as read', (done)->
+			@updateStub.callsArgWith(2, null)
+
+			@notifications.removeNotificationByKeyOnly notification_key, (err)=>
+				searchOps =
+					key: notification_key
+				updateOperation =
+					"$unset": {templateKey:true}
+				@updateStub.calledWith(searchOps, updateOperation).should.equal true
+				done()