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mvp migration script
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3 changed files with 136 additions and 1 deletions
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@ -55,6 +55,8 @@ module.exports = (grunt) ->
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grunt.loadNpmTasks 'grunt-execute'
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grunt.loadNpmTasks 'grunt-available-tasks'
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grunt.loadNpmTasks 'grunt-concurrent'
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grunt.loadNpmTasks "grunt-contrib-coffee"
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execute = {}
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for service in SERVICES
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@ -70,6 +72,18 @@ module.exports = (grunt) ->
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options:
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limit: SERVICES.length
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logConcurrentOutput: true
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coffee:
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migrate:
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expand: true,
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flatten: false,
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cwd: './',
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src: ['./migrations/*.coffee'],
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dest: './',
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ext: '.js'
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options:
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bare:true
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availabletasks:
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tasks:
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@ -147,6 +161,10 @@ module.exports = (grunt) ->
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grunt.registerTask "build:upstart_scripts", "Create upstart scripts for each service", () ->
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Helpers.buildUpstartScripts()
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grunt.registerTask 'migrate', 'run migrations', ['coffee:migrate']
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Helpers =
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installService: (service, callback = (error) ->) ->
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Helpers.cloneGitRepo service, (error) ->
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113
server-ce/migrations/1422460849371-doc-lines.coffee
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113
server-ce/migrations/1422460849371-doc-lines.coffee
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@ -0,0 +1,113 @@
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fs = require("fs")
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mongojs = require("mongojs")
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ObjectId = mongojs.ObjectId
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db = mongojs('sharelatex', ['projects', 'docs'])
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_ = require("underscore")
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async = require("async")
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local_db_path = "/tmp/process-db"
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Datastore = require('nedb')
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processDb = new Datastore({ filename: local_db_path})
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printProgress = ->
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processDb.count {processed:false}, (err, todo)->
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processDb.count {}, (err, total)->
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console.log "#{todo}/#{total} processed"
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setTimeout printProgress, 1000
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writeProjectIdsToDisk = (callback)->
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db.projects.find {}, {_id:1}, (err,ids)->
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console.log "total found projects in mongo #{ids.length}"
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ids = _.map ids, (id)-> return id._id.toString()
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jobs = _.map ids, (id)->
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return (cb)->
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processDb.findOne {project_id:id}, (err, doc)->
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if doc?
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return cb()
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processDb.insert {project_id:id, processed:false}, cb
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async.series jobs, (err)->
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processDb.count {processed:false}, (err, count)->
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console.log "projects to process: #{count}"
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callback()
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getNextProjectToProccess = (callback)->
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processDb.findOne {processed:false}, (err, doc)->
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callback err, doc.project_id
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markProjectAsProcessed = (project_id, callback)->
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processDb.update project_id:project_id, {$set:{processed:true}}, {}, callback
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getAllDocs = (project_id, callback = (error, docs) ->) ->
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db.projects.findOne _id:ObjectId(project_id), (error, project) ->
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return callback(error) if error?
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return callback new Errors.NotFoundError("No such project: #{project_id}") if !project?
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findAllDocsInProject project, (error, docs) ->
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return callback(error) if error?
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return callback null, docs
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findAllDocsInProject = (project, callback = (error, docs) ->) ->
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callback null, _findAllDocsInFolder project.rootFolder[0]
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_findDocInFolder = (folder = {}, doc_id, currentPath) ->
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for doc, i in folder.docs or []
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if doc?._id? and doc._id.toString() == doc_id.toString()
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return {
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doc: doc
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mongoPath: "#{currentPath}.docs.#{i}"
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}
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for childFolder, i in folder.folders or []
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result = _findDocInFolder childFolder, doc_id, "#{currentPath}.folders.#{i}"
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return result if result?
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return null
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_findAllDocsInFolder = (folder = {}) ->
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docs = folder.docs or []
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for childFolder in folder.folders or []
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docs = docs.concat _findAllDocsInFolder childFolder
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return docs
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insertDocIntoDocCollection = (project_id, doc_id, lines, oldRev, callback)->
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update = {}
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update["_id"] = ObjectId(doc_id)
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update["lines"] = lines
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update["project_id"] = ObjectId(project_id)
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update["rev"] = oldRev
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db.docs.insert _id: ObjectId(doc_id), callback
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saveDocsIntoMongo = (project_id, docs, callback)->
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jobs = _.map docs, (doc)->
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(cb)->
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insertDocIntoDocCollection project_id, doc._id, project_id.lines, doc.rev, cb
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async.series jobs, callback
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processNext = ->
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processDb.count {processed:false}, (err, total)->
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if total == 0
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console.log "DONE"
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process.exit()
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else
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getNextProjectToProccess (err, project_id)->
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getAllDocs project_id, (err, docs)->
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saveDocsIntoMongo project_id, docs, ->
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markProjectAsProcessed project_id, ->
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processNext()
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processDb.loadDatabase ->
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writeProjectIdsToDisk ->
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processNext()
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exports.up = (next)->
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next()
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exports.down = (next)->
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next()
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@ -4,8 +4,11 @@
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"description": "An online collaborative LaTeX editor",
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"dependencies": {
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"async": "^0.9.0",
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"mongojs": "^0.18.1",
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"nedb": "^1.1.1",
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"rimraf": "~2.2.6",
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"settings-sharelatex": "git+https://github.com/sharelatex/settings-sharelatex.git"
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"settings-sharelatex": "git+https://github.com/sharelatex/settings-sharelatex.git",
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"underscore": "^1.7.0"
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},
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"devDependencies": {
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"grunt": "~0.4.2",
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@ -14,6 +17,7 @@
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"grunt-execute": "~0.1.5",
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"grunt-available-tasks": "~0.4.1",
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"grunt-concurrent": "~0.4.3",
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"grunt-contrib-coffee": "~0.10.1",
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"semver": "~2.2.1",
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"knox": "~0.8.9"
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}
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