overleaf/server-ce/migrations/1422460849371-doc-lines.coffee
2015-01-29 11:37:52 +00:00

114 lines
3.4 KiB
CoffeeScript

fs = require("fs")
mongojs = require("mongojs")
ObjectId = mongojs.ObjectId
db = mongojs('sharelatex', ['projects', 'docs'])
_ = require("lodash")
async = require("async")
exec = require("child_process").exec
finished_projects_path = "/tmp/finished-projects"
printProgress = ->
exec "wc #{finished_projects_path}", (error, results) ->
#console.log results
setTimeout printProgress, 1000 * 30
checkIfFileHasBeenProccessed = (project_id, callback)->
exec "grep #{project_id} #{finished_projects_path}", (error, results) ->
hasBeenProcessed = _.include(results, project_id)
console.log hasBeenProcessed, project_id
callback(null, hasBeenProcessed)
getProjectIds = (callback)->
console.log "finding all project id's - #{new Date().toString()}"
db.projects.find {}, {_id:1}, (err,ids)->
console.log "total found projects in mongo #{ids.length} - #{new Date().toString()}"
ids = _.map ids, (id)-> return id._id.toString()
callback(err, ids)
markProjectAsProcessed = (project_id, callback)->
fs.appendFile finished_projects_path, "#{project_id}\n", callback
getAllDocs = (project_id, callback = (error, docs) ->) ->
db.projects.findOne _id:ObjectId(project_id), (error, project) ->
return callback(error) if error?
return callback new Errors.NotFoundError("No such project: #{project_id}") if !project?
findAllDocsInProject project, (error, docs) ->
return callback(error) if error?
return callback null, docs
findAllDocsInProject = (project, callback = (error, docs) ->) ->
callback null, _findAllDocsInFolder project.rootFolder[0]
_findDocInFolder = (folder = {}, doc_id, currentPath) ->
for doc, i in folder.docs or []
if doc?._id? and 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
_findAllDocsInFolder = (folder = {}) ->
docs = folder.docs or []
for childFolder in folder.folders or []
docs = docs.concat _findAllDocsInFolder childFolder
return docs
insertDocIntoDocCollection = (project_id, doc_id, lines, oldRev, callback)->
update = {}
update["_id"] = ObjectId(doc_id)
update["lines"] = lines
update["project_id"] = ObjectId(project_id)
update["rev"] = oldRev
db.docs.insert _id: ObjectId(doc_id), callback
saveDocsIntoMongo = (project_id, docs, callback)->
jobs = _.map docs, (doc)->
(cb)->
insertDocIntoDocCollection project_id, doc._id, project_id.lines, doc.rev, cb
async.series jobs, callback
processNext = (project_id, callback)->
#console.log("starting to process #{project_id} - #{new Date().toString()}")
checkIfFileHasBeenProccessed project_id, (err, hasBeenProcessed)->
if hasBeenProcessed
return callback()
getAllDocs project_id, (err, docs)->
if err?
console.error err, project_id, "could not get all docs"
return callback()
saveDocsIntoMongo project_id, docs, ->
if err?
console.error err, project_id, "could not save docs into mongo"
return callback()
markProjectAsProcessed project_id, ->
callback()
getProjectIds (err, ids)->
printProgress()
jobs = _.map ids, (id)->
return (cb)->
processNext(id, cb)
async.series jobs, (err)->
if err?
console.error err, "at end of jobs"
else
console.log "finished"
process.exit()
exports.up = (next)->
next()
exports.down = (next)->
next()