ident

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1. // lib/invites-helpers.hl — what lib/invites.hl looks up: the text and number checks of the app's call, the
2. // list of identities that accepted, the message of a state. No table access. Statics only.
3. import { hasControl } from './util.hl'
5. static maxText = 60
7. static isWhole = (n) => { return hlTypeName(n) == 'Number' && !('' + n).includes('.') && !('' + n).includes('e') }
9. static checkText = (v, name) => {
10. if (v == null || hlTypeName(v) != 'String') { return { error = 'field ' + name + ' must be a string' } }
11. t = v.trim()
12. if (t == '') { return { error = 'field ' + name + ' is empty' } }
13. if (t.length > maxText) { return { error = 'field ' + name + ' is longer than ' + maxText + ' characters' } }
14. if (hasControl(t)) { return { error = 'field ' + name + ' contains a control character' } }
15. return { text = t }
16. }
18. // `acceptedBy` is 'a b c': the identities' short ids that accepted it, space separated
19. static acceptedList = (rec) => { return rec.acceptedBy == null || rec.acceptedBy == '' ? [] : rec.acceptedBy.split(' ') }
20. static usedCount = (rec) => { return acceptedList(rec).length }
22. // the message of a state that cannot be accepted
23. static problemOf = (state) => {
24. if (state == 'used') { return 'This invitation was already used.' }
25. if (state == 'expired') { return 'This invitation has expired. Ask whoever invited you for a new one.' }
26. if (state == 'revoked') { return 'This invitation was withdrawn. Ask whoever invited you for a new one.' }
27. return ''
28. }