path: root/client/src/assets/player/utils.ts

function toTitleCase (str: string) {
  return str.charAt(0).toUpperCase() + str.slice(1)
}

// https://github.com/danrevah/ngx-pipes/blob/master/src/pipes/math/bytes.ts
// Don't import all Angular stuff, just copy the code with shame
const dictionaryBytes: Array<{max: number, type: string}> = [
  { max: 1024, type: 'B' },
  { max: 1048576, type: 'KB' },
  { max: 1073741824, type: 'MB' },
  { max: 1.0995116e12, type: 'GB' }
]
function bytes (value) {
  const format = dictionaryBytes.find(d => value < d.max) || dictionaryBytes[dictionaryBytes.length - 1]
  const calc = Math.floor(value / (format.max / 1024)).toString()

  return [ calc, format.type ]
}

function getStoredVolume () {
  const value = getLocalStorage('volume')
  if (value !== null && value !== undefined) {
    const valueNumber = parseFloat(value)
    if (isNaN(valueNumber)) return undefined

    return valueNumber
  }

  return undefined
}

function getStoredMute () {
  const value = getLocalStorage('mute')
  if (value !== null && value !== undefined) return value === 'true'

  return undefined
}

function getAverageBandwidth () {
  const value = getLocalStorage('average-bandwidth')
  if (value !== null && value !== undefined) {
    const valueNumber = parseInt(value, 10)
    if (isNaN(valueNumber)) return undefined

    return valueNumber
  }

  return undefined
}

function saveVolumeInStore (value: number) {
  return setLocalStorage('volume', value.toString())
}

function saveMuteInStore (value: boolean) {
  return setLocalStorage('mute', value.toString())
}

function saveAverageBandwidth (value: number) {
  return setLocalStorage('average-bandwidth', value.toString())
}

export {
  toTitleCase,
  getStoredVolume,
  saveVolumeInStore,
  saveAverageBandwidth,
  getAverageBandwidth,
  saveMuteInStore,
  getStoredMute,
  bytes
}

// ---------------------------------------------------------------------------

const KEY_PREFIX = 'peertube-videojs-'

function getLocalStorage (key: string) {
  try {
    return localStorage.getItem(KEY_PREFIX + key)
  } catch {
    return undefined
  }
}

function setLocalStorage (key: string, value: string) {
  try {
    localStorage.setItem(KEY_PREFIX + key, value)
  } catch { /* empty */ }
}