return pathname from DocumentController.getDoc

services/web/app/coffee/Features/Documents/DocumentController.coffee

@@ -7,7 +7,7 @@ module.exports =
 		doc_id = req.params.doc_id
 		plain = req?.query?.plain == 'true'
 		logger.log doc_id:doc_id, project_id:project_id, "receiving get document request from api (docupdater)"
-		ProjectEntityHandler.getDoc project_id, doc_id, (error, lines, rev, version, ranges) ->
+		ProjectEntityHandler.getDoc project_id, doc_id, {pathname: true}, (error, lines, rev, version, ranges, pathname) ->
 			if error?
 				logger.err err:error, doc_id:doc_id, project_id:project_id, "error finding element for getDocument"
 				return next(error)
@@ -20,6 +20,7 @@ module.exports =
 					lines: lines
 					version: version
 					ranges: ranges
+					pathname: pathname
 				}
 
 	setDocument: (req, res, next = (error) ->) ->
@@ -33,6 +34,3 @@ module.exports =
 				return next(error)
 			logger.log doc_id:doc_id, project_id:project_id, "finished receiving set document request from api (docupdater)"
 			res.sendStatus 200
-
-		
-		

services/web/app/coffee/Features/Project/ProjectEntityHandler.coffee

@@ -140,8 +140,15 @@ module.exports = ProjectEntityHandler =
 		if typeof(options) == "function"
 			callback = options
 			options = {}
-		DocstoreManager.getDoc project_id, doc_id, options, callback
 
+		if options["pathname"]
+			delete options["pathname"]
+			projectLocator.findElement {project_id: project_id, element_id: doc_id, type: 'doc'}, (error, doc, path) =>
+				return callback(error) if error?
+				DocstoreManager.getDoc project_id, doc_id, options, (error, lines, rev, version, ranges) =>
+					callback(error, lines, rev, version, ranges, path.fileSystem)
+		else
+			DocstoreManager.getDoc project_id, doc_id, options, callback
 
 	addDoc: (project_id, folder_id, docName, docLines, callback = (error, doc, folder_id) ->)=>
 		ProjectGetter.getProjectWithOnlyFolders project_id, (err, project) ->

services/web/test/UnitTests/coffee/Documents/DocumentControllerTests.coffee

@@ -24,6 +24,7 @@ describe "DocumentController", ->
 		@doc_lines = ["one", "two", "three"]
 		@version = 42
 		@ranges = {"mock": "ranges"}
+		@pathname = '/a/b/c/file.tex'
 		@rev = 5
 
 	describe "getDocument", ->
@@ -34,12 +35,12 @@ describe "DocumentController", ->
 
 		describe "when the document exists", ->
 			beforeEach ->
-				@ProjectEntityHandler.getDoc = sinon.stub().callsArgWith(2, null, @doc_lines, @rev, @version, @ranges)
+				@ProjectEntityHandler.getDoc = sinon.stub().callsArgWith(3, null, @doc_lines, @rev, @version, @ranges, @pathname)
 				@DocumentController.getDocument(@req, @res, @next)
 
 			it "should get the document from Mongo", ->
 				@ProjectEntityHandler.getDoc
-					.calledWith(@project_id, @doc_id)
+					.calledWith(@project_id, @doc_id, pathname: true)
 					.should.equal true
 
 			it "should return the document data to the client as JSON", ->
@@ -48,10 +49,11 @@ describe "DocumentController", ->
 					lines: @doc_lines
 					version: @version
 					ranges: @ranges
+					pathname: @pathname
 
 		describe "when the document doesn't exist", ->
 			beforeEach ->
-				@ProjectEntityHandler.getDoc = sinon.stub().callsArgWith(2, new Errors.NotFoundError("not found"), null)
+				@ProjectEntityHandler.getDoc = sinon.stub().callsArgWith(3, new Errors.NotFoundError("not found"), null)
 				@DocumentController.getDocument(@req, @res, @next)
 
 			it "should call next with the NotFoundError", ->

services/web/test/UnitTests/coffee/Project/ProjectEntityHandlerTests.coffee

@@ -385,16 +385,41 @@ describe 'ProjectEntityHandler', ->
 			@rev = 5
 			@version = 42
 			@ranges = {"mock": "ranges"}
+
 			@DocstoreManager.getDoc = sinon.stub().callsArgWith(3, null, @lines, @rev, @version, @ranges)
-			@ProjectEntityHandler.getDoc project_id, doc_id, @callback
 
-		it "should call the docstore", ->
-			@DocstoreManager.getDoc
-				.calledWith(project_id, doc_id)
-				.should.equal true
+		describe 'without pathname option', ->
+			beforeEach ->
+				@ProjectEntityHandler.getDoc project_id, doc_id, @callback
+
+			it "should call the docstore", ->
+				@DocstoreManager.getDoc
+					.calledWith(project_id, doc_id)
+					.should.equal true
+
+			it "should call the callback with the lines, version and rev", ->
+				@callback.calledWith(null, @lines, @rev, @version, @ranges).should.equal true
+
+		describe 'with pathname option', ->
+			beforeEach ->
+				@project = 'a project'
+				@path = mongo: "mongo.path", fileSystem: "/file/system/path"
+				@projectLocator.findElement = sinon.stub().callsArgWith(1, null, {}, @path)
+				@ProjectEntityHandler.getDoc project_id, doc_id, {pathname: true}, @callback
+
+			it "should call the project locator", ->
+				@projectLocator.findElement
+					.calledWith({project_id: project_id, element_id: doc_id, type: 'doc'})
+					.should.equal true
+
+			it "should call the docstore", ->
+				@DocstoreManager.getDoc
+					.calledWith(project_id, doc_id)
+					.should.equal true
+
+			it "should return the pathname if option given", ->
+				@callback.calledWith(null, @lines, @rev, @version, @ranges, @path.fileSystem).should.equal true
 
-		it "should call the callback with the lines, version and rev", ->
-			@callback.calledWith(null, @lines, @rev, @version, @ranges).should.equal true
 
 	describe 'addDoc', ->
 		beforeEach ->