Commit 59307aa9 authored by Henry Oswald's avatar Henry Oswald
Browse files

moved to a file appending with grep data store

parent a2ae6abb
......@@ -3,44 +3,33 @@ fs = require("fs")
mongojs = require("mongojs")
ObjectId = mongojs.ObjectId
db = mongojs('sharelatex', ['projects', 'docs'])
_ = require("underscore")
_ = require("lodash")
async = require("async")
exec = require("child_process").exec
local_db_path = "/tmp/process-db"
Datastore = require('nedb')
processDb = new Datastore({ filename: local_db_path})
finished_projects_path = "/tmp/finished-projects"
printProgress = ->
processDb.count {processed:false}, (err, todo)->
processDb.count {}, (err, total)->
console.log "#{todo}/#{total} processed"
setTimeout printProgress, 1000
writeProjectIdsToDisk = (callback)->
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}"
console.log "total found projects in mongo #{ids.length} - #{new Date().toString()}"
ids = _.map ids, (id)-> return id._id.toString()
jobs = _.map ids, (id)->
return (cb)->
processDb.findOne {project_id:id}, (err, doc)->
if doc?
return cb()
processDb.insert {project_id:id, processed:false}, cb
async.series jobs, (err)->
processDb.count {processed:false}, (err, count)->
console.log "projects to process: #{count}"
callback()
getNextProjectToProccess = (callback)->
processDb.findOne {processed:false}, (err, doc)->
callback err, doc.project_id
callback(err, ids)
markProjectAsProcessed = (project_id, callback)->
processDb.update project_id:project_id, {$set:{processed:true}}, {}, 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) ->
......@@ -88,21 +77,33 @@ saveDocsIntoMongo = (project_id, docs, callback)->
async.series jobs, callback
processNext = ->
processDb.count {processed:false}, (err, total)->
if total == 0
console.log "DONE"
process.exit()
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
getNextProjectToProccess (err, project_id)->
getAllDocs project_id, (err, docs)->
saveDocsIntoMongo project_id, docs, ->
markProjectAsProcessed project_id, ->
processNext()
processDb.loadDatabase ->
writeProjectIdsToDisk ->
processNext()
console.log "finished"
process.exit()
exports.up = (next)->
......
......@@ -4,8 +4,8 @@
"description": "An online collaborative LaTeX editor",
"dependencies": {
"async": "^0.9.0",
"lodash": "^3.0.0",
"mongojs": "^0.18.1",
"nedb": "^1.1.1",
"rimraf": "~2.2.6",
"settings-sharelatex": "git+https://github.com/sharelatex/settings-sharelatex.git",
"underscore": "^1.7.0"
......
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