Add methods to bulk accept changes.

services/document-updater/app.coffee

@@ -42,14 +42,15 @@ app.param 'doc_id', (req, res, next, doc_id) ->
 	else
 		next new Error("invalid doc id")
 
-app.get    '/project/:project_id/doc/:doc_id',       HttpController.getDoc
-app.post   '/project/:project_id/doc/:doc_id',       HttpController.setDoc
-app.post   '/project/:project_id/doc/:doc_id/flush', HttpController.flushDocIfLoaded
-app.delete '/project/:project_id/doc/:doc_id',       HttpController.flushAndDeleteDoc
-app.delete '/project/:project_id',                   HttpController.deleteProject
-app.post   '/project/:project_id/flush',             HttpController.flushProject
+app.get    '/project/:project_id/doc/:doc_id',                          HttpController.getDoc
+app.post   '/project/:project_id/doc/:doc_id',                          HttpController.setDoc
+app.post   '/project/:project_id/doc/:doc_id/flush',                    HttpController.flushDocIfLoaded
+app.delete '/project/:project_id/doc/:doc_id',                          HttpController.flushAndDeleteDoc
+app.delete '/project/:project_id',                                      HttpController.deleteProject
+app.post   '/project/:project_id/flush',                                HttpController.flushProject
 app.post   '/project/:project_id/doc/:doc_id/change/:change_id/accept', HttpController.acceptChange
-app.del    '/project/:project_id/doc/:doc_id/comment/:comment_id', HttpController.deleteComment
+app.post   '/project/:project_id/doc/:doc_id/change/accept',            HttpController.bulkAcceptChanges
+app.del    '/project/:project_id/doc/:doc_id/comment/:comment_id',      HttpController.deleteComment
 
 app.get '/total', (req, res)->
 	timer = new Metrics.Timer("http.allDocList")	

services/document-updater/app/coffee/DocumentManager.coffee

@@ -139,6 +139,22 @@ module.exports = DocumentManager =
 				RedisManager.updateDocument doc_id, lines, version, [], new_ranges, (error) ->
 					return callback(error) if error?
 					callback()
+
+	bulkAcceptChanges: (project_id, doc_id, change_ids, _callback = (error) ->) ->
+		timer = new Metrics.Timer("docManager.bulkAcceptChanges")
+		callback = (args...) ->
+			timer.done()
+			_callback(args...)
+
+		DocumentManager.getDoc project_id, doc_id, (error, lines, version, ranges) ->
+			return callback(error) if error?
+			if !lines? or !version?
+				return callback(new Errors.NotFoundError("document not found: #{doc_id}"))
+			RangesManager.bulkAcceptChanges change_ids, ranges, (error, new_ranges) ->
+				return callback(error) if error?
+				RedisManager.updateDocument doc_id, lines, version, [], new_ranges, (error) ->
+					return callback(error) if error?
+					callback()
 	
 	deleteComment: (project_id, doc_id, comment_id, _callback = (error) ->) ->
 		timer = new Metrics.Timer("docManager.deleteComment")
@@ -180,6 +196,10 @@ module.exports = DocumentManager =
 		UpdateManager = require "./UpdateManager"
 		UpdateManager.lockUpdatesAndDo DocumentManager.acceptChange, project_id, doc_id, change_id, callback
 
+	bulkAcceptChangesWithLock: (project_id, doc_id, change_ids, callback = (error) ->) ->
+		UpdateManager = require "./UpdateManager"
+		UpdateManager.lockUpdatesAndDo DocumentManager.bulkAcceptChanges, project_id, doc_id, change_ids, callback
+
 	deleteCommentWithLock: (project_id, doc_id, thread_id, callback = (error) ->) ->
 		UpdateManager = require "./UpdateManager"
 		UpdateManager.lockUpdatesAndDo DocumentManager.deleteComment, project_id, doc_id, thread_id, callback

services/document-updater/app/coffee/HttpController.coffee

@@ -105,6 +105,18 @@ module.exports = HttpController =
 			return next(error) if error?
 			logger.log {project_id, doc_id, change_id}, "accepted change via http"
 			res.send 204 # No Content
+
+	bulkAcceptChanges: (req, res, next = (error) ->) ->
+		{project_id, doc_id} = req.params
+		{change_ids} = req.body
+		change_ids ?= []
+		logger.log {project_id, doc_id}, "accepting #{ change_ids.length } changes via http"
+		timer = new Metrics.Timer("http.bulkAcceptChanges")
+		DocumentManager.bulkAcceptChangesWithLock project_id, doc_id, change_ids, (error) ->
+			timer.done()
+			return next(error) if error?
+			logger.log {project_id, doc_id}, "accepted #{ change_ids.length } changes via http"
+			res.send 204 # No Content
 	
 	deleteComment: (req, res, next = (error) ->) ->
 		{project_id, doc_id, comment_id} = req.params

services/document-updater/app/coffee/RangesManager.coffee

@@ -41,6 +41,15 @@ module.exports = RangesManager =
 		response = RangesManager._getRanges(rangesTracker)
 		callback null, response
 
+	bulkAcceptChanges: (change_ids, ranges, callback = (error, ranges) ->) ->
+		{changes, comments} = ranges
+		logger.log {change_id}, "accepting #{ change_ids.length } changes in ranges"
+		rangesTracker = new RangesTracker(changes, comments)
+		for change_id in change_ids
+			rangesTracker.removeChangeId(change_id)
+		response = RangesManager._getRanges(rangesTracker)
+		callback null, response
+
 	deleteComment: (comment_id, ranges, callback = (error, ranges) ->) ->
 		{changes, comments} = ranges
 		logger.log {comment_id}, "deleting comment in ranges"