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- ProjectEntityHandler = require "./ProjectEntityHandler"
- ProjectEntityUpdateHandler = require "./ProjectEntityUpdateHandler"
- Path = require "path"
- async = require("async")
- _ = require("underscore")
- module.exports = ProjectRootDocManager =
- setRootDocAutomatically: (project_id, callback = (error) ->) ->
- ProjectEntityHandler.getAllDocs project_id, (error, docs) ->
- return callback(error) if error?
- root_doc_id = null
- jobs = _.map docs, (doc, path)->
- return (cb)->
- rootDocId = null
- for line in doc.lines || []
- # We've had problems with this regex locking up CPU.
- # Previously /.*\\documentclass/ would totally lock up on lines of 500kb (data text files :()
- # This regex will only look from the start of the line, including whitespace so will return quickly
- # regardless of line length.
- match = /^\s*\\documentclass/.test(line)
- isRootDoc = /\.R?tex$/.test(Path.extname(path)) and match
- if isRootDoc
- rootDocId = doc?._id
- cb(rootDocId)
- async.series jobs, (root_doc_id)->
- if root_doc_id?
- ProjectEntityUpdateHandler.setRootDoc project_id, root_doc_id, callback
- else
- callback()
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