overleaf/services/docstore/app/coffee/DocManager.coffee
2015-06-02 15:13:28 -03:00

132 lines
4.7 KiB
CoffeeScript

MongoManager = require "./MongoManager"
Errors = require "./Errors"
logger = require "logger-sharelatex"
_ = require "underscore"
async = require "async"
settings = require("settings-sharelatex")
request = require("request")
crypto = require("crypto")
thirtySeconds = 30 * 1000
module.exports = DocManager =
getDoc: (project_id, doc_id, callback = (error, doc) ->) ->
MongoManager.findDoc doc_id, (err, doc)->
if err?
return callback(err)
else if !doc?
return callback new Errors.NotFoundError("No such doc: #{doc_id} in project #{project_id}")
else if doc?.inS3
DocManager.unarchiveDoc project_id, doc_id, (err)->
if err?
return callback(err)
MongoManager.findDoc doc_id, callback
else
callback err, doc
getAllDocs: (project_id, callback = (error, docs) ->) ->
DocManager.unArchiveAllDocs project_id, (error) ->
MongoManager.getProjectsDocs project_id, (error, docs) ->
if err?
return callback(error)
else if !docs?
return callback new Errors.NotFoundError("No docs for project #{project_id}")
else
return callback(null, docs)
updateDoc: (project_id, doc_id, lines, callback = (error, modified, rev) ->) ->
DocManager.getDoc project_id, doc_id, (err, doc)->
if err? and !(err instanceof Errors.NotFoundError)
logger.err project_id: project_id, doc_id: doc_id, err:err, "error getting document for update"
return callback(err)
isNewDoc = lines.length == 0
linesAreSame = _.isEqual(doc?.lines, lines)
if linesAreSame and !isNewDoc
logger.log project_id: project_id, doc_id: doc_id, rev: doc?.rev, "doc lines have not changed - not updating"
return callback null, false, doc?.rev
else
oldRev = doc?.rev || 0
logger.log {
project_id: project_id
doc_id: doc_id,
oldDocLines: doc?.lines
newDocLines: lines
rev: oldRev
}, "updating doc lines"
MongoManager.upsertIntoDocCollection project_id, doc_id, lines, (error)->
return callback(callback) if error?
callback null, true, oldRev + 1 # rev will have been incremented in mongo by MongoManager.updateDoc
deleteDoc: (project_id, doc_id, callback = (error) ->) ->
DocManager.getDoc project_id, doc_id, (error, doc) ->
return callback(error) if error?
return callback new Errors.NotFoundError("No such project/doc to delete: #{project_id}/#{doc_id}") if !doc?
MongoManager.upsertIntoDocCollection project_id, doc_id, doc.lines, (error) ->
return callback(error) if error?
MongoManager.markDocAsDeleted doc_id, (error) ->
return callback(error) if error?
callback()
#DOC ARCHIVER
archiveAllDocs: (project_id, callback = (error, docs) ->) ->
MongoManager.getProjectsDocs project_id, (error, docs) ->
if err?
return callback(error)
else if !docs?
return callback new Errors.NotFoundError("No docs for project #{project_id}")
jobs = _.map docs, (doc) ->
(cb)-> DocManager.archiveDoc project_id, doc, cb
async.series jobs, callback
archiveDoc: (project_id, doc, callback)->
logger.log project_id: project_id, doc_id: doc._id, "sending doc to s3"
options = buildS3Options(doc.lines, project_id+"/"+doc._id)
request.put options, (err, res)->
if err? || res.statusCode != 200
logger.err err:err, res:res, "something went wrong archiving doc in aws"
callback(err)
MongoManager.markDocAsArchived doc._id, doc.rev, (error) ->
return callback(error) if error?
callback()
unArchiveAllDocs: (project_id, callback = (error) ->) ->
MongoManager.getProjectsDocs project_id, (error, docs) ->
if err?
return callback(error)
else if !docs?
return callback new Errors.NotFoundError("No docs for project #{project_id}")
jobs = _.map docs, (doc) ->
(cb)->
if !doc.inS3?
return cb()
else
DocManager.unarchiveDoc project_id, doc._id, cb
async.series jobs, callback
unarchiveDoc: (project_id, doc_id, callback)->
logger.log project_id: project_id, doc_id: doc_id, "getting doc from s3"
options = buildS3Options(true, project_id+"/"+doc_id)
request.get options, (err, res, lines)->
if err? || res.statusCode != 200
logger.err err:err, res:res, "something went wrong unarchiving doc from aws"
callback(err)
MongoManager.upsertIntoDocCollection project_id, doc_id.toString(), lines, (error) ->
return callback(error) if error?
callback()
buildS3Options = (content, key)->
return {
aws:
key: settings.filestore.s3.key
secret: settings.filestore.s3.secret
bucket: settings.filestore.stores.user_files
timeout: thirtySeconds
json: content
#headers:
# 'content-md5': crypto.createHash("md5").update(content).digest("hex")
uri:"https://#{settings.filestore.stores.user_files}.s3.amazonaws.com/#{key}"
}