git ssb

1
var isArray = require('isarray')
2
var isPosition = require('../../isPosition')
3
var Position = require('../../position/sync/position')
4
5
module.exports = function ({positions, poll}) { //postions must be of the correct type ie checked by the caller.
6
  return positions.reduce(function (results, position) {
7
    var { choice } = Position(position).positionDetails
8
9
    if (choice >= poll.pollDetails.choices.length) {
10
      results.errors.invalidPositions.push(position)
11
      return results
12
    }
13
14
    if (!isArray(results[choice])) {
15
      results[choice] = []
16
    }
17
    results[choice].push(position.value.author)
18
19
    return results
20
  }, {errors: {invalidPositions: []}})
21
}
22