overleaf/services/docstore/app/coffee/DocManager.coffee
2014-04-28 17:43:19 +01:00

53 lines
No EOL
2 KiB
CoffeeScript

MongoManager = require "./MongoManager"
Errors = require "./Errors"
logger = require "logger-sharelatex"
_ = require "underscore"
module.exports = DocManager =
getDoc: (project_id, doc_id, callback = (error, doc, mongoPath) ->) ->
MongoManager.findProject project_id, (error, project) ->
return callback(error) if error?
return callback new Errors.NotFoundError("No such project: #{project_id}") if !project?
DocManager.findDocInProject project, doc_id, (error, doc, mongoPath) ->
return callback(error) if error?
return callback new Errors.NotFoundError("No such doc: #{project_id}") if !doc?
return callback null, doc, mongoPath
updateDoc: (project_id, doc_id, lines, callback = (error) ->) ->
DocManager.getDoc project_id, doc_id, (error, doc, mongoPath) ->
return callback(error) if error?
return callback new Errors.NotFoundError("No such project/doc: #{project_id}/#{doc_id}") if !doc?
if _.isEqual(doc.lines, lines)
logger.log {
project_id: project_id, doc_id: doc_id, rev: doc.rev
}, "doc lines have not changed"
return callback()
else
logger.log {
project_id: project_id, doc_id: doc_id, oldDocLines: doc.lines, newDocLines: lines, rev: doc.rev
}, "updating doc lines"
MongoManager.updateDoc project_id, mongoPath, lines, (error) ->
return callback(error) if error?
callback()
findDocInProject: (project, doc_id, callback = (error, doc, mongoPath) ->) ->
result = @_findDocInFolder project.rootFolder[0], doc_id, "rootFolder.0"
if result?
callback null, result.doc, result.mongoPath
else
callback null, null, null
_findDocInFolder: (folder, doc_id, currentPath) ->
for doc, i in folder.docs or []
if doc._id.toString() == doc_id.toString()
return {
doc: doc
mongoPath: "#{currentPath}.docs.#{i}"
}
for childFolder, i in folder.folders or []
result = @_findDocInFolder childFolder, doc_id, "#{currentPath}.folders.#{i}"
return result if result?
return null