Create processUncompressedUpdates method

services/track-changes/app/coffee/HistoryManager.coffee

@@ -1,4 +1,5 @@
 MongoManager = require "./MongoManager"
+RedisManager = require "./RedisManager"
 UpdateCompressor = require "./UpdateCompressor"
 logger = require "logger-sharelatex"
 
@@ -26,9 +27,15 @@ module.exports = HistoryManager =
 				logger.log doc_id: doc_id, rawUpdatesLength: length, compressedUpdatesLength: compressedUpdates.length, "compressed doc updates"
 				callback()
 
+	REDIS_READ_BATCH_SIZE: 100
 	processUncompressedUpdates: (doc_id, callback = (error) ->) ->
-		# Get lock - here or elsewhere?
-		# Get batch from Redis left hand side (oldest)
-		# pass batch to compressAndSaveRawUpdates
-		# Delete batch from redis
-		# release lock
+		RedisManager.getOldestRawUpdates doc_id, HistoryManager.REDIS_READ_BATCH_SIZE, (error, rawUpdates) ->
+			return callback(error) if error?
+			HistoryManager.compressAndSaveRawUpdates doc_id, rawUpdates, (error) ->
+				return callback(error) if error?
+				RedisManager.deleteOldestRawUpdates doc_id, HistoryManager.REDIS_READ_BATCH_SIZE, (error) ->
+					return callback(error) if error?
+					callback()
+
+	processUncompressUpdatesWithLock: (doc_id, callback = (error) ->) ->
+

services/track-changes/test/unit/coffee/HistoryManager/HistoryManagerTests.coffee

@@ -10,10 +10,12 @@ describe "HistoryManager", ->
 		@HistoryManager = SandboxedModule.require modulePath, requires:
 			"./UpdateCompressor": @UpdateCompressor = {}
 			"./MongoManager" : @MongoManager = {}
+			"./RedisManager" : @RedisManager = {}
 			"logger-sharelatex": { log: sinon.stub() }
 		@doc_id = "doc-id-123"
 		@callback = sinon.stub()
 
+	describe "compressAndSaveRawUpdates", ->
 		describe "when there are no raw ops", ->
 			beforeEach ->
 				@MongoManager.popLastCompressedUpdate = sinon.stub()
@@ -108,4 +110,30 @@ describe "HistoryManager", ->
 						.calledWith(new Error("Tried to apply raw op at version 13 to last compressed update with version 11"))
 						.should.equal true
 
+	describe "processUncompressedUpdates", ->
+		beforeEach ->
+			@updates = ["mock-update"]
+			@RedisManager.getOldestRawUpdates = sinon.stub().callsArgWith(2, null, @updates)
+			@HistoryManager.compressAndSaveRawUpdates = sinon.stub().callsArgWith(2)
+			@RedisManager.deleteOldestRawUpdates = sinon.stub().callsArg(2)
+			@HistoryManager.processUncompressedUpdates @doc_id, @callback
+
+		it "should get the oldest updates", ->
+			@RedisManager.getOldestRawUpdates
+				.calledWith(@doc_id, @HistoryManager.REDIS_READ_BATCH_SIZE)
+				.should.equal true
+
+		it "should compress and save the updates", ->
+			@HistoryManager.compressAndSaveRawUpdates
+				.calledWith(@doc_id, @updates)
+				.should.equal true
+
+		it "should delete the batch of uncompressed updates that was just processed", ->
+			@RedisManager.deleteOldestRawUpdates
+				.calledWith(@doc_id, @HistoryManager.REDIS_READ_BATCH_SIZE)
+				.should.equal true
+
+		it "should call the callback", ->
+			@callback.called.should.equal true
+