add results page

8 files changed, 413 insertions, 136 deletions

diff --git a/app/client/common/fileList.component.js b/app/client/common/fileList.component.js
index 13eb300..c16928f 100644
--- a/app/client/common/fileList.component.js
+++ b/app/client/common/fileList.component.js
@@ -5,7 +5,7 @@ import { Link } from 'react-router-dom';
 import moment from 'moment'
 import * as util from '../util'
 
-const defaultFields = new Set(['date', 'size'])
+const defaultFields = new Set(['name', 'date', 'size'])
 
 export const FileList = props => {
   const {
@@ -17,19 +17,19 @@ export const FileList = props => {
     fileListClassName='filelist',
     rowClassName='row file'
   } = props
-  const { mapFn, sortFn } = orderByFn(orderBy)
+  const { mapFn, sortFn } = util.sort.orderByFn(orderBy)
   const fileList = (files || [])
     .map(mapFn)
     .sort(sortFn)
-    .map(pair =>
-      <FileRow
+    .map(pair => {
+      return <FileRow
         file={pair[1]}
         fields={fieldSet(fields)}
         className={rowClassName}
         linkFiles
         onClick
       />
-    )
+    })
   return (
     <div className={'rows ' + className}>
       <div class='row heading'>
@@ -45,39 +45,6 @@ export const FileList = props => {
 	)
 }
 
-const numericSort = {
-  asc: (a,b) => a[0] - b[0],
-  desc: (a,b) => b[0] - a[0],
-}
-const stringSort = {
-  asc: (a,b) => a[0].localeCompare(b[0]),
-  desc: (a,b) => b[0].localeCompare(a[0]),
-}
-export const orderByFn = (s='name asc') => {
-  const [field='name', direction='asc'] = s.split(' ')
-  let mapFn, sortFn
-  switch (field) {
-    case 'epoch':
-      mapFn = a => [a.epoch || a.epochs, a]
-      sortFn = numericSort[direction]
-      break
-    case 'size':
-      mapFn = a => [a.size, a]
-      sortFn = numericSort[direction]
-      break
-    case 'date':
-      mapFn = a => [+new Date(a.date || a.created_at), a]
-      sortFn = numericSort[direction]
-      break
-    case 'name':
-    default:
-      mapFn = a => [a.id || a.name, a]
-      sortFn = stringSort[direction]
-      break
-  }
-  return { mapFn, sortFn }
-}
-
 export const fieldSet = fields => {
   if (fields) {
     if (fields instanceof Set) {
@@ -94,23 +61,29 @@ export const FileRow = props => {
 
   const size = util.hush_size(file.size)
   const date = file.date || file.created_at
+  const epoch = file.epoch || file.epochs || 0
 
   return (
     <div class={className} key={file.name}>
-      <div className="filename" title={file.name || file.url}>
-        {file.persisted === false
-          ? <span>{file.name || file.url}</span>
-          : (linkFiles && file.url)
-          ? <a target='_blank' href={file.url}>{file.name || file.url}</a>
-          : <span class='link' onClick={() => onClick(file)}>{file.name || file.url}</span>
-        }
-      </div>
+      {fields.has('name') &&
+        <div className="filename" title={file.name || file.url}>
+          {file.persisted === false
+            ? <span className='unpersisted'>{file.name || file.url}</span>
+            : (linkFiles && file.url)
+            ? <a target='_blank' href={file.url}>{file.name || file.url}</a>
+            : <span class='link' onClick={() => onClick(file)}>{file.name || file.url}</span>
+          }
+        </div>
+      }
       {fields.has('age') &&
         <div className={"age " + util.carbon_date(date)}>{util.get_age(date)}</div>
       }
       {fields.has('username') &&
         <div className={"username"}>{username}</div>
       }
+      {fields.has('epoch') &&
+        <div className={"epoch " + util.hush_null(epoch)[0]}>{epoch > 0 ? 'ep. ' + epoch : ''}</div>
+      }
       {fields.has('date') &&
         <div className={"date " + util.carbon_date(date)}>{moment(date).format("YYYY-MM-DD")}</div>
       }
@@ -120,9 +93,6 @@ export const FileRow = props => {
       {fields.has('size') &&
         <div className={"size " + size[0]}>{size[1]}</div>
       }
-      {fields.has('epoch') &&
-        <div className="epoch">{file.epoch > 0 ? 'epoch ' + file.epoch : ' '}</div>
-      }
       {(fields.has('activity') || fields.has('module')) &&
         <div className='activity'>
           {fields.has('activity') && file.activity}
diff --git a/app/client/modules/samplernn/index.js b/app/client/modules/samplernn/index.js
index 7066942..e1c41d5 100644
--- a/app/client/modules/samplernn/index.js
+++ b/app/client/modules/samplernn/index.js
@@ -1,6 +1,7 @@
 import { h, Component } from 'preact'
 import { Route, Link } from 'react-router-dom'
 import SampleRNNDatasets from './samplernn.datasets'
+import SampleRNNResults from './samplernn.results'
 import SampleRNNInspect from './samplernn.inspect'
 import SampleRNNLoss from './samplernn.loss'
 
@@ -9,8 +10,10 @@ function router () {
     <div>
       <Route exact path='/samplernn/graph/' component={SampleRNNLoss} />
       <Route exact path='/samplernn/inspect/' component={SampleRNNInspect} />
+      <Route exact path='/samplernn/datasets/' component={SampleRNNDatasets} />
       <Route exact path='/samplernn/datasets/:id/' component={SampleRNNDatasets} />
       <Route exact path='/samplernn/datasets/new/' component={SampleRNNDatasets} />
+      <Route exact path='/samplernn/results/' component={SampleRNNResults} />
     </div>
   )
 }
diff --git a/app/client/modules/samplernn/samplernn.actions.js b/app/client/modules/samplernn/samplernn.actions.js
index 1a60719..e8f8251 100644
--- a/app/client/modules/samplernn/samplernn.actions.js
+++ b/app/client/modules/samplernn/samplernn.actions.js
@@ -12,16 +12,38 @@ export const load_directories = (id) => (dispatch) => {
     actions.socket.list_directory({ module: 'samplernn', dir: 'datasets' }),
     actions.socket.list_directory({ module: 'samplernn', dir: 'results' }),
     actions.socket.list_directory({ module: 'samplernn', dir: 'output' }),
+    load_loss()(dispatch),
   ]).then(res => {
     // console.log(res)
-    const [folders, files, tasks, datasets, results, output] = res
+    const [folders, files, tasks, datasets, results, output, lossReport] = res
 
-    const empty_dataset = (name) => ({
-      name,
-      input: [],
-      checkpoints: [],
-      output: [],
-    })
+    const unsortedFolder = {
+      id: 0,
+      name: 'unsorted',
+      datasets: [],
+    }
+
+    const datasetLookup = {}
+
+    const get_dataset = (name, folder=unsortedFolder, date) => {
+      const dataset = datasetLookup[name] || empty_dataset(name, folder)
+      if (date) {
+        dataset.date = dataset.date ? Math.max(+new Date(date), dataset.date) : +new Date(date)
+      }
+      return dataset
+    }
+
+    const empty_dataset = (name, folder=unsortedFolder) => {
+      const dataset = {
+        name,
+        input: [],
+        checkpoints: [],
+        output: [],
+      }
+      datasetLookup[dataset.name] = dataset
+      folder.datasets.push(dataset)
+      return dataset
+    }
 
     // take all of the folders and put them in a lookup
     const folderLookup = folders.reduce((folderLookup, folder) => {
@@ -29,11 +51,7 @@ export const load_directories = (id) => (dispatch) => {
       folder.datasets = []
       return folderLookup
     }, {
-      'unsorted': {
-        id: 0,
-        name: 'unsorted',
-        datasets: [],
-      }
+      unsorted: unsortedFolder
     })
 
     // prepare the files by splitting into two groups
@@ -41,61 +59,34 @@ export const load_directories = (id) => (dispatch) => {
     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 = []
+    ungeneratedFiles.reduce((datasetLookup, file) => {
       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)
-      }
+      const dataset = get_dataset(name, folderLookup[file.folder_id], unsortedFolder, file.date)
+      dataset.input.push(file)
       return datasetLookup
-    }, {
-      unsorted: empty_dataset('unsorted')
-    })
+    }, datasetLookup)
 
     // 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)
-      }
+      const dataset = get_dataset(pair[0], folderLookup[file.folder_id], unsortedFolder, file.date)
       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)
-      }
+      const dataset = get_dataset(dir.name)
       dataset.isBuilt = true
     })
 
     flatDatasets.forEach(file => {
       const name = file.name.split('.')[0]
-      let dataset = datasetLookup[name]
-      if (! dataset) {
-        dataset = empty_dataset(name)
-        datasetLookup[dataset.name] = dataset
-        folderLookup.unsorted.datasets.push(dataset)
-      }
+      const dataset = get_dataset(name, unsortedFolder, file.date)
       file.persisted = false
       dataset.input.push(file)
     })
@@ -107,14 +98,15 @@ export const load_directories = (id) => (dispatch) => {
         .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.name = checkpoint.name || checkpoint.dataset || checkpoint.exp
       checkpoint.date = s.date
       checkpoint.dir = s
-      let dataset = datasetLookup[checkpoint.dataset]
-      if (! dataset) {
-        dataset = empty_dataset(checkpoint.dataset)
-        datasetLookup[dataset.name] = dataset
-        folderLookup.unsorted.datasets.push(dataset)
+      checkpoint.persisted = false
+      const dataset = get_dataset(checkpoint.name, unsortedFolder, checkpoint.date)
+      const loss = lossReport[checkpoint.name]
+      if (loss) {
+        dataset.epoch = checkpoint.epoch = loss.length
+        checkpoint.training_loss = loss
       }
       dataset.checkpoints.push(checkpoint)
       return checkpoint
@@ -122,14 +114,10 @@ export const load_directories = (id) => (dispatch) => {
 
     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)
-      }
+      const dataset = get_dataset(pair[0], unsortedFolder, file.date)
       file.persisted = false
-      file.epoch = file.epoch || pair[1].replace(/^\D+/, '')
+      file.epoch = parseInt(file.epoch || pair[1].replace(/^\D+/, '')) || 0
+      dataset.epoch = Math.max(file.epoch, dataset.epoch || 0)
       dataset.output.push(file)
     })
 
@@ -156,7 +144,7 @@ export const load_directories = (id) => (dispatch) => {
 }
 
 export const load_loss = () => dispatch => {
-  actions.socket.run_script({ module: 'samplernn', activity: 'report' })
+  return actions.socket.run_script({ module: 'samplernn', activity: 'report' })
   .then(report => {
     const lossReport = {}
     report.stdout.split('\n\n').filter(a=>!!a).forEach(data => {
@@ -175,6 +163,7 @@ export const load_loss = () => dispatch => {
       type: types.samplernn.load_loss,
       lossReport
     })
+    return lossReport
   })
 }
 
diff --git a/app/client/modules/samplernn/samplernn.datasets.js b/app/client/modules/samplernn/samplernn.datasets.js
index b6a12cc..aa729a5 100644
--- a/app/client/modules/samplernn/samplernn.datasets.js
+++ b/app/client/modules/samplernn/samplernn.datasets.js
@@ -1,6 +1,7 @@
 import { h, Component } from 'preact'
 import { bindActionCreators } from 'redux'
 import { connect } from 'react-redux'
+import * as util from '../../util'
 
 import * as samplernnActions from './samplernn.actions'
 
@@ -18,11 +19,15 @@ class SampleRNNDatasets extends Component {
     super()
     this.fileOptions = this.fileOptions.bind(this)
     this.pickFile = this.pickFile.bind(this)
-    let id = props.match.params.id
+    let id = props.match.params.id || localStorage.getItem('samplernn.last_id')
     if (! id && props.location.pathname.match(/\/new\//)) {
       id = 'new'
+    } else if (id) {
+      localStorage.setItem('samplernn.last_id', id)
+    }
+    if (id && (! props.samplernn.folder || props.samplernn.folder.id !== id)) {
+      props.actions.load_directories(id)
     }
-    props.actions.load_directories(id)
   }
   pickFile(file){
     console.log('pick', file)
@@ -50,28 +55,45 @@ class SampleRNNDatasets extends Component {
       </div>
     )
   }
-  fetchURL(url) {
-  }
   render(){
     const { samplernn } = this.props
     const folder = samplernn.folder
     if (!folder.name) return
-    console.log(folder)
-    const datasets = folder.datasets.map(dataset =>{
-      console.log(dataset)
+    const { mapFn, sortFn } = util.sort.orderByFn('date desc')
+    const datasets = folder.datasets.map(mapFn).sort(sortFn).map(pair => {
+      const dataset = pair[1]
       return (
         <div className='row dataset'>
           <div className='col'>
-            {!!dataset.input.length && <FileList files={dataset.input} className='input_files' fileListClassName='' rowClassName='input_file' />}
+            {!!dataset.input.length &&
+              <FileList
+                files={dataset.input}
+                className='input_files'
+                fileListClassName=''
+                rowClassName='input_file'
+              />
+            }
           </div>
           <div className='col quiet'>
-            <div>{dataset.isBuilt ? 'has dataset' : 'not built'}</div>
+            <div>{dataset.isBuilt ? 'cached' : ''}</div>
           </div>
           <div className='col checkpoint'>
-            {!!dataset.checkpoints.length && <FileRow file={dataset.checkpoints[0]} />}
+            {!!dataset.checkpoints.length &&
+              <FileRow
+                file={dataset.checkpoints[0]}
+                fields={'name date epoch'}
+                className='row checkpoint'
+              />
+            }
           </div>
           <div className='col'>
-            {!!dataset.output.length && <FileList files={dataset.output} orderBy='epoch desc' />}
+            {!!dataset.output.length &&
+              <FileList
+                files={dataset.output}
+                orderBy='epoch desc'
+                fields={'name date epoch size'}
+              />
+            }
           </div>
         </div>
       )
@@ -79,12 +101,12 @@ class SampleRNNDatasets extends Component {
     return (
       <div className='app'>
         <div className='heading'>
-          <h3>SampleRNN</h3>
+          <h2>SampleRNN</h2>
         </div>
         <div class='rows params datasets'>
           <div class='row dataset'>
             <div class='col'>input</div>
-            <div class='col'>dataset</div>
+            <div class='col'></div>
             <div class='col'>checkpoint</div>
             <div class='col'>output</div>
           </div>
@@ -95,18 +117,6 @@ class SampleRNNDatasets extends Component {
   }
 }
 
-// <Dataset
-//   canRename
-//   canUpload
-//   canAddURL
-//   canDeleteFile
-//   linkFiles
-//   fileOptions={this.fileOptions}
-//   onPick={this.handlePick}
-//   folder={samplernn.folder}
-//   files={samplernn.folder.files}
-// />
-
 const mapStateToProps = state => ({
   samplernn: state.module.samplernn,
   runner: state.system.runner,
diff --git a/app/client/modules/samplernn/samplernn.loss.js b/app/client/modules/samplernn/samplernn.loss.js
index 3900c31..04d16c8 100644
--- a/app/client/modules/samplernn/samplernn.loss.js
+++ b/app/client/modules/samplernn/samplernn.loss.js
@@ -95,9 +95,15 @@ class SampleRNNLoss extends Component {
       // if ( (ii % 1) < 0.1) {
         // ctx.strokeStyle = 'rgba(255,255,255,1.0)'
         ctx.lineWidth = 2
+        ctx.setLineDash([4, 4])
         ctx.stroke()        
+        ctx.stroke()
         ctx.stroke()        
-        ctx.stroke()        
+        ctx.setLineDash([0,0])
+        const fontSize = 12
+        ctx.font = 'italic ' + (fontSize * devicePixelRatio) + 'px "Georgia"'
+        ctx.fill = 'black'
+        ctx.fillText(ii.toFixed(1), w-50, (h-Y) + fontSize + (10 * devicePixelRatio))
       // }
     }
     ctx.lineWidth = 1
@@ -106,7 +112,7 @@ class SampleRNNLoss extends Component {
       const loss = lossReport[key]
       const vf = parseFloat(loss[loss.length-1].training_loss) || 0
       const vg = parseFloat(loss[0].training_loss) || 5
-      console.log(vf)
+      // console.log(vf)
       const vv = 1 - norm(vf, scaleMin, scaleMax/2)
       ctx.lineWidth = (1-norm(vf, scaleMin, scaleMax)) * 5
       ctx.strokeStyle = 'rgba(' + [randrange(30,190), randrange(30,150), randrange(60,120)].join(',') + ',' + 0.8+ ')'
diff --git a/app/client/modules/samplernn/samplernn.results.js b/app/client/modules/samplernn/samplernn.results.js
new file mode 100644
index 0000000..518864b
--- /dev/null
+++ b/app/client/modules/samplernn/samplernn.results.js
@@ -0,0 +1,108 @@
+import { h, Component } from 'preact'
+import { bindActionCreators } from 'redux'
+import { connect } from 'react-redux'
+import * as util from '../../util'
+
+import * as samplernnActions from './samplernn.actions'
+
+import Dataset from '../../dataset/dataset.component'
+
+import Group from '../../common/group.component'
+import Slider from '../../common/slider.component'
+import Select from '../../common/select.component'
+import Button from '../../common/button.component'
+import { FileList, FileRow } from '../../common/fileList.component'
+import TextInput from '../../common/textInput.component'
+
+class SampleRNNResults extends Component {
+  constructor(props){
+    super()
+    this.fileOptions = this.fileOptions.bind(this)
+    this.pickFile = this.pickFile.bind(this)
+    let id = props.match.params.id || localStorage.getItem('samplernn.last_id')
+    if (!props.samplernn.data) props.actions.load_directories()
+  }
+  pickFile(file){
+    console.log('pick', file)
+  }
+  fileOptions(file){
+    if (file.activity === 'url' && !file.dataset) {
+      if (this.props.runner.cpu.status !== 'IDLE') {
+        return (
+          <div className='gray'>
+            fetching...
+          </div>
+        )
+      } else {
+        return (
+          <div className='link' onClick={() => this.fetchURL(file.url)}>
+            fetch
+          </div>
+        )
+      }
+    }
+    return (
+      <div>
+        <div className='link' onClick={() => this.train(file)}>train</div>
+        {file.epoch == 0 && <div className='epochs'>{file.epochs} ep.</div>}
+      </div>
+    )
+  }
+  render(){
+    if (this.props.samplernn.loading) return <span>Loading</span>
+      console.log(this.props.samplernn.data)
+    const { folderLookup } = this.props.samplernn.data
+    // const { folderLookup } = samplernn
+    console.log(this.props)
+
+    const renders = Object.keys(folderLookup).sort(util.sort.stringSort.asc).map(key => {
+      const folder = folderLookup[key]
+      let { mapFn, sortFn } = util.sort.orderByFn('epoch desc')
+      console.log(mapFn, sortFn)
+      const datasetPairs = folder.datasets.map(mapFn).sort(sortFn)
+      const bestRenders = datasetPairs
+        .map(pair => pair[1])
+        .filter(dataset => dataset.output.length)
+        .map(dataset => {
+          const { output } = dataset
+          return output.map(mapFn).sort(sortFn)[0][1]
+        })
+      console.log(bestRenders.map(r => r.epoch))
+      return (
+        <div className='col'>
+          <h3>{key}</h3>
+          {!!bestRenders.length &&
+            <FileList
+              files={bestRenders}
+              orderBy='epoch desc'
+              fields={'name date epoch size'}
+            />
+          }
+        </div>
+      )
+    })
+
+    return (
+      <div className='app'>
+        <div className='heading'>
+          <h2>SampleRNN</h2>
+        </div>
+        <div class='rows params renders'>
+          {renders}
+        </div>
+      </div>
+    )
+  }
+}
+
+const mapStateToProps = state => ({
+  samplernn: state.module.samplernn,
+  runner: state.system.runner,
+  task: state.task,
+})
+
+const mapDispatchToProps = (dispatch, ownProps) => ({
+  actions: bindActionCreators(samplernnActions, dispatch),
+})
+
+export default connect(mapStateToProps, mapDispatchToProps)(SampleRNNResults)
diff --git a/app/client/util/index.js b/app/client/util/index.js
new file mode 100644
index 0000000..6ae1f64
--- /dev/null
+++ b/app/client/util/index.js
@@ -0,0 +1,159 @@
+import * as sort from './sort'
+
+export {
+  sort
+}
+
+export const is_iphone = !!((navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i)))
+export const is_ipad = !!(navigator.userAgent.match(/iPad/i))
+export const is_android = !!(navigator.userAgent.match(/Android/i))
+export const is_mobile = is_iphone || is_ipad || is_android
+export const is_desktop = ! is_mobile;
+
+const htmlClassList = document.body.parentNode.classList
+htmlClassList.add(is_desktop ? 'desktop' : 'mobile')
+htmlClassList.remove('loading')
+
+// window.debug = false
+
+export function clamp(n,a,b) { return n<a?a:n<b?n:b }
+export function norm(n,a,b) { return (n-a) / (b-a) }
+export function lerp(n,a,b) { return (b-a)*n+a }
+export function mix(n,a,b) { return a*(1-n)+b*n }
+export function randint(n) { return Math.floor(Math.random()*n) }
+export function randrange(a,b){ return Math.random() * (b-a) + a }
+
+document.body.style.backgroundImage = 'linear-gradient(' + (randint(40)+40) + 'deg, #fde, #ffe)'
+
+export function timeInSeconds(n){
+  return (n / 10).toFixed(1) + ' s.'
+}
+export function gerund(s){
+  return s.replace(/e?$/, 'ing')
+}
+export function commatize (n, radix) {
+  radix = radix || 1024
+  var nums = [], i, counter = 0, r = Math.floor
+  if (n > radix) {
+    n /= radix
+    nums.unshift(r((n * 10) % 10))
+    nums.unshift(".")
+  }
+  do {
+    i = n % 10
+    n = r(n / 10)
+    if (n && ! (++counter % 3))
+      { i = ' ' + r(i) }
+    nums.unshift(r(i))
+  }
+  while (n)
+  return nums.join("")
+}
+export function carbon_date (date, no_bold) {
+  var span = (+new Date() - new Date(date)) / 1000, color
+  if (! no_bold && span < 86400) // modified today
+    { color = "new" }
+  else if (span < 604800) // modifed this week
+    { color = "recent" }
+  else if (span < 1209600) // modifed 2 weeks ago
+    { color = "med" }
+  else if (span < 3024000) // modifed 5 weeks ago
+    { color = "old" }
+  else if (span < 12315200) // modifed 6 months ago
+    { color = "older" }
+  else
+    { color = "quiet" }
+  return color
+}
+export function hush_views (n, bias, no_bold) {
+  var txt = commatize(n, 1000)
+  bias = bias || 1
+  n = n || 0
+  if (n < 30) { return["quiet", n + " v."] }
+  if (n < 200) { return ["quiet", txt + " v."] }
+  else if (n < 500) { return ["quiet", txt + " v."] }
+  else if (n < 1000) { return ["old", txt + " v."] }
+  else if (n < 5000) { return ["med", txt + " kv."] }
+  else if (no_bold || n < 10000) { return ["recent", txt + " kv."] }
+  else { return ["new", txt + " kv."] }
+}
+export function hush_threads (n, bias, no_bold) {
+  var txt = commatize(n, 1000)
+  bias = bias || 1
+  n = n || 0
+  if (n < 10) { return["quiet", n + " t."] }
+  else if (n < 25) { return ["old", txt + " t."] }
+  else if (n < 50) { return ["med", txt + " t."] }
+  else if (no_bold || n < 100) { return ["recent", txt + " t."] }
+  else { return ["new", txt + " t."] }
+}
+export function hush_size (n, bias, no_bold) {
+  var txt = commatize(Math.round(n / 1024))
+  bias = 1 || bias
+  n = n || 0
+  if (! n) { return ['', ''] }
+  if (n < 1000) {
+    return ["quiet", n + " b."]
+  }
+  if (n < 1000000) {
+    return ["quiet", txt + " kb."]
+  }
+  else if (n < (20000000/bias)) {
+    return ["quiet", txt + " mb."]
+  }
+  else if (n < (50000000/bias)) {
+    return ["old", txt + " mb."]
+  }
+  else if (n < (80000000/bias)) {
+    return ["med", txt + " mb."]
+  }
+  else if (no_bold || n < (170000000/bias)) {
+    return ["recent", txt + " mb."]
+  }
+  else {
+    return ["new", txt + " mb."]
+  }
+}
+export function hush_null (n, unit, no_bold) {
+  var s = unit ? n + " " + unit + "." : n
+  if (n < 3) {
+    return ["quiet", s]
+  }
+  else if (n < 6) {
+    return ["older", s]
+  }
+  else if (n < 10) {
+    return ["old", s]
+  }
+  else if (n < 16) {
+    return ["med", s]
+  }
+  else if (no_bold || n < 21) {
+    return ["recent", s]
+  }
+  else {
+    return ["new", s]
+  }
+}
+export function get_age (t) {
+  var age = Math.abs(+Date.now() - new Date(t))/1000
+  var r = Math.floor
+  var m
+  if (age < 5) { return "now" }
+  if (age < 60) { return r(age) + "s" }
+  age /= 60
+  if (age < 60) { return r(age) + "m" }
+  m = r(age % 60)
+  age /= 60
+  if (m > 0 && age < 2) { return r(age) + "h" + m + "m" }
+  if (age < 24) { return r(age) + "h" }
+  age /= 24
+  if (age < 7) { return r(age) + "d" }
+  age /= 7
+  if (age < 12) { return r(age) + "w" }
+  age /= 4
+  if (age < 12) { return r(age) + "m" }
+  age /= 12
+  return r(age) + "y"
+}
+export function courtesy_s (n, s) { return n == 1 ? "" : (s || "s") }
diff --git a/app/client/util/sort.js b/app/client/util/sort.js
new file mode 100644
index 0000000..cc1b462
--- /dev/null
+++ b/app/client/util/sort.js
@@ -0,0 +1,32 @@
+export const numericSort = {
+  asc: (a,b) => a[0] - b[0],
+  desc: (a,b) => b[0] - a[0],
+}
+export const stringSort = {
+  asc: (a,b) => a[0].localeCompare(b[0]),
+  desc: (a,b) => b[0].localeCompare(a[0]),
+}
+export const orderByFn = (s='name asc') => {
+  const [field='name', direction='asc'] = s.split(' ')
+  let mapFn, sortFn
+  switch (field) {
+    case 'epoch':
+      mapFn = a => [parseInt(a.epoch || a.epochs) || 0, a]
+      sortFn = numericSort[direction]
+      break
+    case 'size':
+      mapFn = a => [a.size, a]
+      sortFn = numericSort[direction]
+      break
+    case 'date':
+      mapFn = a => [+new Date(a.date || a.created_at), a]
+      sortFn = numericSort[direction]
+      break
+    case 'name':
+    default:
+      mapFn = a => [a.id || a.name, a]
+      sortFn = stringSort[direction]
+      break
+  }
+  return { mapFn, sortFn }
+}