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path: root/app/client/modules/samplernn/samplernn.actions.js
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import socket from '../../socket'
import types from '../../types'

import actions from '../../actions'

export const load_directories = (id) => (dispatch) => {
  // console.log(actions)
  Promise.all([
    actions.folder.index({ module: 'samplernn' }),
    actions.file.index({ module: 'samplernn' }),
    actions.task.index({ module: 'samplernn' }),
    actions.socket.list_directory({ module: 'samplernn', dir: 'datasets' }),
    actions.socket.list_directory({ module: 'samplernn', dir: 'results' }),
    actions.socket.list_directory({ module: 'samplernn', dir: 'output' }),
  ]).then(res => {
    // console.log(res)
    const [folders, files, tasks, datasets, results, output] = res

    const empty_dataset = (name) => ({
      name,
      input: [],
      checkpoints: [],
      output: [],
    })

    // take all of the folders and put them in a lookup
    const folderLookup = folders.reduce((folderLookup, folder) => {
      folderLookup[folder.id] = { id: folder.id, name: folder.name, folder, datasets: [] }
      folder.datasets = []
      return folderLookup
    }, {
      'unsorted': {
        id: 0,
        name: 'unsorted',
        datasets: [],
      }
    })

    // prepare the files by splitting into two groups
    const generatedFiles = files.filter(file => file.generated)
    const ungeneratedFiles = files.filter(file => !file.generated)

    // build the initial dataset lookup table using the ungenerated files
    const datasetLookup = ungeneratedFiles.reduce((datasetLookup, file) => {
      file.checkpoints = []
      if (! file.name) {
        file.name = (file.opt || {}).token || file.url
        // datasetLookup[] = file
      }
      const name = (file.name || 'unsorted').split('.')[0]
      if (! datasetLookup[name]) {
        const dataset = empty_dataset(name)
        datasetLookup[dataset.name] = dataset
        dataset.input.push(file)
        folderLookup[file.folder_id].datasets.push(dataset)
      }
      else {
        datasetLookup[name].input.push(file)
      }
      return datasetLookup
    }, {
      unsorted: empty_dataset('unsorted')
    })

    // go over the generated files and add addl datasets (if the files were deleted)
    generatedFiles.map(file => {
      const pair = file.name.split('.')[0].split('-')
      let dataset = datasetLookup[pair[0]]
      if (!dataset) {
        dataset = empty_dataset(pair[0])
        datasetLookup[dataset.name] = dataset
        folderLookup[file.folder_id].datasets.push(dataset)
      }
      dataset.output.push(file)
      file.epoch = file.epoch || pair[1]
    })

    // console.log(datasets)
    // const flatDatasets = datasets.filter(s => s.name.match(/(wav|aiff?|flac|mp3)$/) && !s.dir)
    const builtDatasets = datasets.filter(s => s.dir)
    builtDatasets.forEach(dir => {
      let dataset = datasetLookup[dir.name]
      if (! dataset) {
        dataset = empty_dataset(dir.name)
        datasetLookup[dataset.name] = dataset
        folderLookup.unsorted.datasets.push(dataset)
      }
      dataset.isBuilt = true
    })

    // exp:coccokit_3-frame_sizes:8,2-n_rnn:2-dataset:coccokit_3
    const checkpoints = results.filter(s => s.dir).map(s => {
      const checkpoint = s.name
        .split('-')
        .map(s => s.split(':'))
        .filter(b => b.length && b[1])
        .reduce((a,b) => (a[b[0]] = b[1]) && a, {})
      checkpoint.name = checkpoint.dataset || checkpoint.exp
      checkpoint.dir = s
      let dataset = datasetLookup[checkpoint.dataset]
      if (! dataset) {
        dataset = empty_dataset(checkpoint.dataset)
        datasetLookup[dataset.name] = dataset
        folderLookup.unsorted.datasets.push(dataset)
      }
      dataset.checkpoints.push(checkpoint)
      return checkpoint
    })

    output.map(file => {
      const pair = file.name.split('.')[0].split('-')
      let dataset = datasetLookup[pair[0]]
      if (!dataset) {
        dataset = empty_dataset(pair[0])
        datasetLookup[dataset.name] = dataset
        folderLookup.unsorted.datasets.push(dataset)
      }
      dataset.output.push(file)
      file.epoch = file.epoch || pair[1]
    })

    dispatch({
      type: types.samplernn.init,
      data: {
        folderLookup,
        folders, files,
        checkpoints,
        builtDatasets,
        output,
      },
    })
    if (id) {
      let folder = id === 'unsorted' ? folderLookup.unsorted : folderLookup[id]
      dispatch({
        type: types.samplernn.set_folder,
        folder: folder,
      })
    }
  }).catch(e => {
    console.error(e)
  })
}

export const load_loss = () => dispatch => {
  actions.socket.run_script({ module: 'samplernn', activity: 'report' })
  .then(report => {
    const lossReport = {}
    report.stdout.split('\n\n').filter(a=>!!a).forEach(data => {
      const [ name, ...lines ] = data.split('\n')
      lossReport[name] = lines
        .map(s =>
          s.split('\t').reduce((a,s) => {
            const b = s.split(': ')
            a[b[0]] = b[1]
            return a
          }, {})
        )
      // console.log(loss[name])
    })
    dispatch({
      type: types.samplernn.load_loss,
      lossReport
    })
  })
}

export const set_folder = (folder) => { types.samplernn.set_folder, folder }

export const fetch_url = (url) => (dispatch) => {
  console.log(url)
  actions.task.start_task({
    activity: 'fetch',
    module: 'samplernn',
    dataset: 'test',
    epochs: 1,
    opt: { url }
  }, { preempt: true, watch: true })
}