@eluvio/elv-utils-js/lib/concerns/ArgVersionHash.js

Utilities for the Eluvio Content Fabric

// code related to --versionHash

const {StdOpt} = require('../options')

const ArgObjectId = require('./ArgObjectId')
const Version = require('./libs/Version')

const blueprint = {
  name: 'ArgVersionHash',
  concerns: [ArgObjectId, Version],
  options: [
    StdOpt('versionHash')
  ]
}

const New = context => {

  let argsProcMemo

  // fill in implied missing args
  const argsProc = async () => {
    if(!argsProcMemo) {
      const foundObjId = context.concerns.Version.objectId({versionHash: context.args.versionHash})
      if(context.args.objectId && context.args.objectId !== foundObjId) throw Error(`--objectId ${context.args.objectId} supplied, but --versionHash ${context.args.versionHash} is for object ID: ${foundObjId}`)
      context.args.objectId = foundObjId
      argsProcMemo = await context.concerns.ArgObjectId.argsProc()
    }
    return argsProcMemo
  }

  const verDelete = async () => await context.concerns.Version.del({versionHash: context.args.versionHash})

  const verLibraryId = async () => await argsProc().libraryId

  const verMetadata = async ({subtree}={}) => {
    const {libraryId, objectId, versionHash} = await argsProc()
    return await context.concerns.Version.metadata({
      libraryId,
      objectId,
      subtree,
      versionHash
    })
  }

  const verPartList = async () => {
    const {libraryId, objectId, versionHash} = await argsProc()
    return await context.concerns.Version.partList({
      libraryId,
      objectId,
      versionHash
    })
  }

  return {
    argsProc,
    verDelete,
    verLibraryId,
    verMetadata,
    verPartList
  }
}

module.exports = {
  blueprint,
  New
}