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51 lines
1.5 KiB
CoffeeScript
51 lines
1.5 KiB
CoffeeScript
async = require "async"
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fs = require "fs"
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fse = require "fs-extra"
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Path = require "path"
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logger = require "logger-sharelatex"
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_ = require "underscore"
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OutputFileOptimiser = require "./OutputFileOptimiser"
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module.exports = OutputCacheManager =
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CACHE_DIR: '.cache/clsi'
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saveOutputFiles: (outputFiles, target, callback) ->
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# make a target/build_id directory and
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# copy all the output files into it
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#
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# TODO: use Path module
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buildId = Date.now()
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relDir = OutputCacheManager.CACHE_DIR + '/' + buildId
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newDir = target + '/' + relDir
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OutputCacheManager.expireOutputFiles target
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fse.ensureDir newDir, (err) ->
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if err?
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callback(err, outputFiles)
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else
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async.mapSeries outputFiles, (file, cb) ->
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newFile = _.clone(file)
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src = target + '/' + file.path
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dst = target + '/' + relDir + '/' + file.path
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fs.stat src, (err, stats) ->
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if err?
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cb(err)
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else if stats.isFile()
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fse.copy src, dst, (err) ->
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OutputFileOptimiser.optimiseFile src, dst, (err, result) ->
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newFile.build = buildId
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cb(err, newFile)
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else
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# other filetype - shouldn't happen
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cb(new Error("output file is not a file"), file)
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, (err, results) ->
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if err?
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callback err, outputFiles
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else
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callback(err, results)
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expireOutputFiles: (target, callback) ->
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# look in target for build dirs and delete if > N or age of mod time > T
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cacheDir = target + '/' + OutputCacheManager.CACHE_DIR
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fs.readdir cacheDir, (err, results) ->
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callback(err) if callback?
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