overleaf/services/track-changes/app/coffee/DocArchiveManager.coffee

88 lines
3.8 KiB
CoffeeScript

MongoManager = require "./MongoManager"
MongoAWS = require "./MongoAWS"
LockManager = require "./LockManager"
DocstoreHandler = require "./DocstoreHandler"
logger = require "logger-sharelatex"
_ = require "underscore"
async = require "async"
settings = require("settings-sharelatex")
module.exports = DocArchiveManager =
archiveAllDocsChanges: (project_id, callback = (error, docs) ->) ->
DocstoreHandler.getAllDocs project_id, (error, docs) ->
if error?
return callback(error)
else if !docs?
return callback new Error("No docs for project #{project_id}")
jobs = _.map docs, (doc) ->
(cb)-> DocArchiveManager.archiveDocChangesWithLock project_id, doc._id, cb
async.series jobs, callback
archiveDocChangesWithLock: (project_id, doc_id, callback = (error) ->) ->
job = (releaseLock) ->
DocArchiveManager.archiveDocChanges project_id, doc_id, releaseLock
LockManager.runWithLock("HistoryLock:#{doc_id}", job, callback)
archiveDocChanges: (project_id, doc_id, callback)->
MongoManager.getArchivedDocStatus doc_id, (error, result) ->
return callback(error) if error?
if result?.inS3 is true
logger.log {project_id, doc_id}, "document history is already archived"
return callback()
if result?.inS3?
logger.log {project_id, doc_id}, "document history archive is already in progress"
return callback()
MongoManager.getDocChangesCount doc_id, (error, count) ->
return callback(error) if error?
if count == 0
logger.log {project_id, doc_id}, "document history is empty, not archiving"
return callback()
MongoManager.peekLastCompressedUpdate doc_id, (error, update, lastVersion) ->
return callback(error) if error?
logger.log {doc_id, project_id}, "archiving got last compressed update"
MongoManager.markDocHistoryAsArchiveInProgress doc_id, lastVersion, (error) ->
return callback(error) if error?
logger.log {doc_id, project_id}, "marked doc history as archive in progress"
MongoAWS.archiveDocHistory project_id, doc_id, update, (error) ->
if error?
logger.log {doc_id, project_id, error}, "error exporting document to S3"
MongoManager.clearDocHistoryAsArchiveInProgress doc_id, update, (err) ->
return callback(err) if err?
logger.log {doc_id, project_id}, "cleared archive in progress flag"
callback(error)
else
logger.log doc_id:doc_id, project_id:project_id, "exported document to S3"
MongoManager.markDocHistoryAsArchived doc_id, lastVersion, (error) ->
return callback(error) if error?
logger.log {doc_id, project_id}, "marked doc history as archived"
callback()
unArchiveAllDocsChanges: (project_id, callback = (error, docs) ->) ->
DocstoreHandler.getAllDocs project_id, (error, docs) ->
if error?
return callback(error)
else if !docs?
return callback new Error("No docs for project #{project_id}")
jobs = _.map docs, (doc) ->
(cb)-> DocArchiveManager.unArchiveDocChangesWithLock project_id, doc._id, cb
async.parallelLimit jobs, 4, callback
unArchiveDocChangesWithLock: (project_id, doc_id, callback = (error) ->) ->
job = (releaseLock) ->
DocArchiveManager.unArchiveDocChanges project_id, doc_id, releaseLock
LockManager.runWithLock("HistoryLock:#{doc_id}", job, callback)
unArchiveDocChanges: (project_id, doc_id, callback)->
MongoManager.getArchivedDocStatus doc_id, (error, result) ->
return callback(error) if error?
if result?.inS3 isnt true
logger.log {project_id, doc_id}, "no changes marked as in s3, not unarchiving"
return callback()
else
MongoAWS.unArchiveDocHistory project_id, doc_id, (error) ->
return callback(error) if error?
logger.log doc_id:doc_id, project_id:project_id, "imported document from S3"
MongoManager.markDocHistoryAsUnarchived doc_id, (error) ->
return callback(error) if error?
callback()