blob: 9052d6eef38895bc2c337699b2de1dab8c2baf9f (
plain)
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
74
75
|
/*
* This file is part of GNU Taler
* (C) 2020 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.history
import androidx.annotation.UiThread
import androidx.lifecycle.LiveData
import androidx.lifecycle.MutableLiveData
import com.fasterxml.jackson.databind.ObjectMapper
import com.fasterxml.jackson.module.kotlin.readValue
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import net.taler.wallet.backend.WalletBackendApi
import org.json.JSONObject
import java.util.*
sealed class HistoryResult {
object Error : HistoryResult()
class Success(val history: List<HistoryEvent>) : HistoryResult()
}
class DevHistoryManager(
private val walletBackendApi: WalletBackendApi,
private val scope: CoroutineScope,
private val mapper: ObjectMapper
) {
private val mProgress = MutableLiveData<Boolean>()
val progress: LiveData<Boolean> = mProgress
private val mHistory = MutableLiveData<HistoryResult>()
val history: LiveData<HistoryResult> = mHistory
@UiThread
internal fun loadHistory() {
mProgress.value = true
walletBackendApi.sendRequest("getHistory", null) { isError, result ->
scope.launch(Dispatchers.Default) {
onEventsLoaded(isError, result)
}
}
}
private fun onEventsLoaded(isError: Boolean, result: JSONObject) {
if (isError) {
mHistory.postValue(HistoryResult.Error)
return
}
val history = LinkedList<HistoryEvent>()
val json = result.getJSONArray("history")
for (i in 0 until json.length()) {
val event: HistoryEvent = mapper.readValue(json.getString(i))
event.json = json.getJSONObject(i)
history.add(event)
}
history.reverse() // show latest first
mProgress.postValue(false)
mHistory.postValue(HistoryResult.Success(history))
}
}
|
