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DRY up writing to dump-folder in FileWriter

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This commit is contained in:
Shane Kilkelly 2018-05-24 11:30:29 +01:00
parent b5e8ed81b9
commit 8766b5d487
1 changed files with 10 additions and 7 deletions
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17
services/web/app/coffee/infrastructure/FileWriter.coffee
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@ -7,13 +7,18 @@ request = require 'request'
module.exports = FileWriter = module.exports = FileWriter =
writeLinesToDisk: (identifier, lines, callback = (error, fsPath)->) -> _ensureDumpFolderExists: (callback=(error)->) ->
callback = _.once(callback)
fsPath = "#{Settings.path.dumpFolder}/#{identifier}_#{uuid.v4()}"
fs.mkdir Settings.path.dumpFolder, (error) -> fs.mkdir Settings.path.dumpFolder, (error) ->
if error? and error.code != 'EEXIST' if error? and error.code != 'EEXIST'
# Ignore error about already existing # Ignore error about already existing
return callback(error) return callback(error)
callback(null)
writeLinesToDisk: (identifier, lines, callback = (error, fsPath)->) ->
callback = _.once(callback)
fsPath = "#{Settings.path.dumpFolder}/#{identifier}_#{uuid.v4()}"
FileWriter._ensureDumpFolderExists (error) ->
return callback(error) if error?
fs.writeFile fsPath, lines.join('\n'), (error) -> fs.writeFile fsPath, lines.join('\n'), (error) ->
return callback(error) if error? return callback(error) if error?
callback(null, fsPath) callback(null, fsPath)
@ -23,11 +28,9 @@ module.exports = FileWriter =
fsPath = "#{Settings.path.dumpFolder}/#{identifier}_#{uuid.v4()}" fsPath = "#{Settings.path.dumpFolder}/#{identifier}_#{uuid.v4()}"
stream.pause() stream.pause()
fs.mkdir Settings.path.dumpFolder, (error) -> FileWriter._ensureDumpFolderExists (error) ->
return callback(error) if error?
stream.resume() stream.resume()
if error? and error.code != 'EEXIST'
# Ignore error about already existing
return callback(error)
writeStream = fs.createWriteStream(fsPath) writeStream = fs.createWriteStream(fsPath)
stream.pipe(writeStream) stream.pipe(writeStream)