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