init.coffee

Photo = require './server/models/photo'
File = require './server/models/file'
thumb = require('./server/helpers/thumb').create
async = require 'async'

onThumbCreation = false
percent = null
total_files = 0
thumb_files = 0

module.exports.onThumbCreation = () ->
    return [thumb_files isnt total_files, (thumb_files / total_files) * 100]

convertImage = (cb) ->
    convert = (doc, callback) ->
        if doc._attachments?
            try
                console.log "Convert #{doc.title} ..."
                doc.convertBinary (err, res, body) ->
                    console.log err if err?
                    callback err
            catch error
                console.log "Cannot convert #{doc.title}"
                callback()
        else
            callback()
    Photo.all (err, docs) ->
        async.eachSeries(docs, convert, cb)

createThumb = (socket, cb) ->
    # Recover all file without thumb
    File.withoutThumb (err, files) ->
        total_files = files.length
        # Create thumb and check progress
        async.eachSeries files, (file, callback) ->
            thumb file, () ->
                thumb_files += 1
                percent = Math.floor((thumb_files / total_files) * 100)
                # Emit thumb creation progress
                socket.emit 'progress', {"percent": percent}
                callback()
        , cb

# Create all requests and upload directory
module.exports.convert = (socket, done=->null) ->
    #convertImage (err) ->
    onThumbCreation = true
    createThumb socket, ->
        onThumbCreation = false
        done()