1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/*
* This file is part of GNU Taler
* (C) 2023 Taler Systems S.A.
*
* GNU Taler is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 3, or (at your option) any later version.
*
* GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
package net.taler.wallet.transactions
/**
* Based on “DD 37: Wallet Transaction Lifecycle”
*
* TODO: implement sub-states (pending in wallet-core)
* TODO: implement sub-state specific transitions
*/
enum class Transition {
// Common States
Delete,
Retry,
Abort,
Suspend,
Resume,
AbortForce,
// Payment to Merchant
PayAccept,
Expired,
CheckRefund,
PayReplay,
// Tip
AcceptTip,
// Peer Pull Debit
ConfirmPay,
}
fun Transaction.canPerform(t: Transition): Boolean {
return when (t) {
Transition.Delete -> extendedStatus in arrayOf(
ExtendedStatus.Done,
ExtendedStatus.Aborted,
ExtendedStatus.Failed,
)
Transition.Retry -> extendedStatus in arrayOf(
ExtendedStatus.Pending,
ExtendedStatus.Aborting,
)
Transition.Abort -> extendedStatus in arrayOf(
ExtendedStatus.Pending,
)
Transition.Suspend -> extendedStatus in arrayOf(
ExtendedStatus.Pending,
)
Transition.Resume -> extendedStatus in arrayOf(
ExtendedStatus.Suspended,
)
Transition.AbortForce -> extendedStatus in arrayOf(
ExtendedStatus.Aborting,
)
else -> false
}
}
|