mirror of
https://github.com/overleaf/overleaf.git
synced 2024-11-07 20:31:06 -05:00
45 lines
No EOL
1.9 KiB
CoffeeScript
45 lines
No EOL
1.9 KiB
CoffeeScript
UpdatesManager = require "./UpdatesManager"
|
|
DocumentUpdaterManager = require "./DocumentUpdaterManager"
|
|
DiffGenerator = require "./DiffGenerator"
|
|
logger = require "logger-sharelatex"
|
|
|
|
module.exports = DiffManager =
|
|
getLatestDocAndUpdates: (project_id, doc_id, fromVersion, toVersion, callback = (error, content, version, updates) ->) ->
|
|
UpdatesManager.getDocUpdatesWithUserInfo project_id, doc_id, from: fromVersion, to: toVersion, (error, updates) ->
|
|
return callback(error) if error?
|
|
DocumentUpdaterManager.getDocument project_id, doc_id, (error, content, version) ->
|
|
return callback(error) if error?
|
|
callback(null, content, version, updates)
|
|
|
|
getDiff: (project_id, doc_id, fromVersion, toVersion, callback = (error, diff) ->) ->
|
|
logger.log project_id: project_id, doc_id: doc_id, from: fromVersion, to: toVersion, "getting diff"
|
|
DiffManager.getDocumentBeforeVersion project_id, doc_id, fromVersion, (error, startingContent, updates) ->
|
|
return callback(error) if error?
|
|
|
|
updatesToApply = []
|
|
for update in updates.slice().reverse()
|
|
if update.v <= toVersion
|
|
updatesToApply.push update
|
|
|
|
try
|
|
diff = DiffGenerator.buildDiff startingContent, updatesToApply
|
|
catch e
|
|
return callback(e)
|
|
|
|
callback(null, diff)
|
|
|
|
getDocumentBeforeVersion: (project_id, doc_id, version, callback = (error, document, rewoundUpdates) ->) ->
|
|
logger.log project_id: project_id, doc_id: doc_id, version: version, "getting document before version"
|
|
DiffManager.getLatestDocAndUpdates project_id, doc_id, version, null, (error, content, version, updates) ->
|
|
return callback(error) if error?
|
|
|
|
lastUpdate = updates[0]
|
|
if lastUpdate? and lastUpdate.v != version - 1
|
|
return callback new Error("latest update version, #{lastUpdate.v}, does not match doc version, #{version}")
|
|
|
|
try
|
|
startingContent = DiffGenerator.rewindUpdates content, updates.slice().reverse()
|
|
catch e
|
|
return callback(e)
|
|
|
|
callback(null, startingContent, updates) |