send licences graph request to v1 for data instead of analytics

services/web/app/coffee/Features/Analytics/AnalyticsController.coffee

@@ -1,6 +1,7 @@
 AnalyticsManager = require "./AnalyticsManager"
 Errors = require "../Errors/Errors"
 AuthenticationController = require("../Authentication/AuthenticationController")
+InstitutionsAPI = require("../Institutions/InstitutionsAPI")
 GeoIpLookup = require '../../infrastructure/GeoIpLookup'
 
 module.exports = AnalyticsController =
@@ -23,6 +24,15 @@ module.exports = AnalyticsController =
 		AnalyticsManager.recordEvent user_id, req.params.event, req.body, (error) ->
 			respondWith(error, res, next)
 
+	licences: (req, res, next) ->
+		AuthenticationController.getLoggedInUserId(req) or req.sessionID
+		{resource_id, start_date, end_date, lag} = req.query
+		InstitutionsAPI.getInstitutionLicences resource_id, start_date, end_date, lag, (error, licences) ->
+			if error?
+				res.send 503
+			else
+				res.send licences
+
 respondWith = (error, res, next) ->
 	if error instanceof Errors.ServiceNotConfiguredError
 		# ignore, no-op

services/web/app/coffee/Features/Analytics/AnalyticsRouter.coffee

@@ -9,6 +9,8 @@ module.exports =
 		webRouter.put  '/editingSession/:projectId',
 			AnalyticsController.updateEditingSession
 
+		webRouter.get '/graphs/licences', AnalyticsController.licences
+
 		publicApiRouter.use '/analytics/graphs',
 			AuthenticationController.httpAuth,
 			AnalyticsProxy.call('/graphs')

services/web/app/coffee/Features/Institutions/InstitutionsAPI.coffee

@@ -11,6 +11,13 @@ module.exports = InstitutionsAPI =
 			defaultErrorMessage: "Couldn't get institution affiliations"
 		}, callback
 
+	getInstitutionLicences: (institutionId, startDate, endDate, lag, callback = (error, body) ->) ->
+		makeAffiliationRequest {
+			method: 'GET'
+			path: "/api/v2/institutions/#{institutionId.toString()}/institution_licences"
+			body: {start_date: startDate, end_date: endDate, lag}
+			defaultErrorMessage: "Couldn't get institution affiliations"
+		}, callback
 
 	getUserAffiliations: (userId, callback = (error, body) ->) ->
 		makeAffiliationRequest {

services/web/test/unit/coffee/Analytics/AnalyticsControllerTests.coffee

@@ -17,9 +17,13 @@ describe 'AnalyticsController', ->
 			updateEditingSession: sinon.stub().callsArgWith(3)
 			recordEvent: sinon.stub().callsArgWith(3)
 
+		@InstitutionsAPI =
+			getInstitutionLicences: sinon.stub().callsArgWith(4)
+
 		@controller = SandboxedModule.require modulePath, requires:
 			"./AnalyticsManager":@AnalyticsManager
 			"../Authentication/AuthenticationController":@AuthenticationController
+			"../Institutions/InstitutionsAPI":@InstitutionsAPI
 			"logger-sharelatex":
 				log:->
 			'../../infrastructure/GeoIpLookup': @GeoIpLookup =
@@ -66,3 +70,19 @@ describe 'AnalyticsController', ->
 			@controller.recordEvent @req, @res
 			@AnalyticsManager.recordEvent.calledWith(@req.sessionID, @req.params["event"], @req.body).should.equal true
 			done()
+
+	describe "licences", ->
+		beforeEach ->
+			@req =
+				query:
+					resource_id:1
+					start_date:'1514764800'
+					end_date:'1530662400'
+					resource_type:'institution'
+				sessionID: "sessionIDHere"
+				session: {}
+
+		it "should trigger institutions api to fetch licences graph data", (done)->
+			@controller.licences @req, @res
+			@InstitutionsAPI.getInstitutionLicences.calledWith(@req.query["resource_id"], @req.query["start_date"], @req.query["end_date"], @req.query["lag"]).should.equal true
+			done()

services/web/test/unit/coffee/Institutions/InstitutionsAPITests.coffee

@@ -41,6 +41,26 @@ describe "InstitutionsAPI", ->
 				body.should.equal responseBody
 				done()
 
+	describe 'getInstitutionLicences', ->
+		it 'get licences', (done)->
+			@institutionId = 123
+			responseBody = {"lag":"monthly","data":[{"key":"users","values":[{"x":"2018-01-01","y":1}]}]}
+			@request.yields(null, { statusCode: 200 }, responseBody)
+			startDate = '1417392000'
+			endDate = '1420848000'
+			@InstitutionsAPI.getInstitutionLicences @institutionId, startDate, endDate, 'monthly', (err, body) =>
+				should.not.exist(err)
+				@request.calledOnce.should.equal true
+				requestOptions = @request.lastCall.args[0]
+				expectedUrl = "v1.url/api/v2/institutions/#{@institutionId}/institution_licences"
+				requestOptions.url.should.equal expectedUrl
+				requestOptions.method.should.equal 'GET'
+				requestOptions.body['start_date'].should.equal startDate
+				requestOptions.body['end_date'].should.equal endDate
+				requestOptions.body.lag.should.equal 'monthly'
+				body.should.equal responseBody
+				done()
+
 	describe 'getUserAffiliations', ->
 		it 'get affiliations', (done)->
 			responseBody = [{ foo: 'bar' }]