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80 lines
3.2 KiB
CoffeeScript
80 lines
3.2 KiB
CoffeeScript
archiver = require "archiver"
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async = require "async"
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logger = require "logger-sharelatex"
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ProjectEntityHandler = require "../Project/ProjectEntityHandler"
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FileStoreHandler = require("../FileStore/FileStoreHandler")
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Project = require("../../models/Project").Project
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module.exports = ProjectZipStreamManager =
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createZipStreamForMultipleProjects: (project_ids, callback = (error, stream) ->) ->
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# We'll build up a zip file that contains multiple zip files
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archive = archiver("zip")
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archive.on "error", (err)->
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logger.err err:err, project_ids:project_ids, "something went wrong building archive of project"
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callback null, archive
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logger.log project_ids: project_ids, "creating zip stream of multiple projects"
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jobs = []
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for project_id in project_ids or []
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do (project_id) ->
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jobs.push (callback) ->
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Project.findById project_id, "name", (error, project) ->
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return callback(error) if error?
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logger.log project_id: project_id, name: project.name, "appending project to zip stream"
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ProjectZipStreamManager.createZipStreamForProject project_id, (error, stream) ->
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return callback(error) if error?
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archive.append stream, name: "#{project.name}.zip"
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stream.on "end", () ->
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logger.log project_id: project_id, name: project.name, "zip stream ended"
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callback()
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async.series jobs, () ->
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logger.log project_ids: project_ids, "finished creating zip stream of multiple projects"
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archive.finalize()
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createZipStreamForProject: (project_id, callback = (error, stream) ->) ->
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archive = archiver("zip")
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# return stream immediately before we start adding things to it
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archive.on "error", (err)->
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logger.err err:err, project_id:project_id, "something went wrong building archive of project"
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callback(null, archive)
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@addAllDocsToArchive project_id, archive, (error) =>
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if error?
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logger.error err: error, project_id: project_id, "error adding docs to zip stream"
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@addAllFilesToArchive project_id, archive, (error) =>
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if error?
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logger.error err: error, project_id: project_id, "error adding files to zip stream"
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archive.finalize()
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addAllDocsToArchive: (project_id, archive, callback = (error) ->) ->
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ProjectEntityHandler.getAllDocs project_id, (error, docs) ->
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return callback(error) if error?
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jobs = []
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for path, doc of docs
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do (path, doc) ->
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path = path.slice(1) if path[0] == "/"
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jobs.push (callback) ->
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logger.log project_id: project_id, "Adding doc"
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archive.append doc.lines.join("\n"), name: path
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callback()
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async.series jobs, callback
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addAllFilesToArchive: (project_id, archive, callback = (error) ->) ->
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ProjectEntityHandler.getAllFiles project_id, (error, files) ->
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return callback(error) if error?
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jobs = []
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for path, file of files
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do (path, file) ->
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jobs.push (callback) ->
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FileStoreHandler.getFileStream project_id, file._id, {}, (error, stream) ->
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if error?
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logger.err err:error, project_id:project_id, file_id:file._id, "something went wrong adding file to zip archive"
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return callback(err)
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path = path.slice(1) if path[0] == "/"
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archive.append stream, name: path
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stream.on "end", () ->
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callback()
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async.parallelLimit jobs, 5, callback
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