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- ProjectEntityHandler = require "../Project/ProjectEntityHandler"
- DocumentUpdaterHandler = require('../DocumentUpdater/DocumentUpdaterHandler')
- module.exports = LabelsHandler =
- labelCaptureRegex: () ->
- /\\label\{([^\}\n\\]{0,80})\}/g
- getAllLabelsForProject: (projectId, callback=(err, projectLabels)->) ->
- DocumentUpdaterHandler.flushProjectToMongo projectId, (err) ->
- if err?
- return callback(err)
- ProjectEntityHandler.getAllDocs projectId, (err, docs) ->
- if err?
- return callback(err)
- projectLabels = LabelsHandler.extractLabelsFromProjectDocs docs
- callback(null, projectLabels)
- getLabelsForDoc: (projectId, docId, callback=(err, docLabels)->) ->
- DocumentUpdaterHandler.flushDocToMongo projectId, docId, (err) ->
- if err?
- return callback(err)
- ProjectEntityHandler.getDoc projectId, docId, (err, lines) ->
- if err?
- return callback(err)
- docLabels = LabelsHandler.extractLabelsFromDoc lines
- callback(null, docLabels)
- extractLabelsFromDoc: (lines) ->
- docLabels = []
- for line in lines
- re = LabelsHandler.labelCaptureRegex()
- while (labelMatch = re.exec(line))
- if labelMatch[1]
- docLabels.push(labelMatch[1])
- return docLabels
- extractLabelsFromProjectDocs: (projectDocs) ->
- projectLabels = {} # docId => List[Label]
- for _path, doc of projectDocs
- projectLabels[doc._id] = LabelsHandler.extractLabelsFromDoc(doc.lines)
- return projectLabels
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