taler-android

PerformanceStatsScreen.kt (8188B)

---

 /*
  * This file is part of GNU Taler
  * (C) 2026 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.settings
 
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.itemsIndexed
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Refresh
 import androidx.compose.material3.Badge
 import androidx.compose.material3.Button
 import androidx.compose.material3.ButtonDefaults
 import androidx.compose.material3.Icon
 import androidx.compose.material3.ListItem
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontFamily
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import kotlinx.serialization.json.Json
 import net.taler.wallet.BottomInsetsSpacer
 import net.taler.wallet.R
 import net.taler.wallet.balances.SectionHeader
 import net.taler.wallet.compose.EmptyComposable
 import net.taler.wallet.compose.GlobalScaffold
 import net.taler.wallet.compose.ShareButton
 import net.taler.wallet.compose.TalerSurface
 import net.taler.wallet.compose.collectAsStateLifecycleAware
 import net.taler.wallet.main.MainViewModel
 
 @Composable
 fun PerformanceStatsScreen(
     model: MainViewModel,
     onNavigateBack: () -> Unit,
 ) {
     val settingsManager = model.settingsManager
     val stats by settingsManager.performanceTable.collectAsStateLifecycleAware()
 
     LaunchedEffect(Unit) {
         settingsManager.loadPerformanceStats()
     }
 
     TalerSurface {
         GlobalScaffold(
             model = model,
             modifier = Modifier.fillMaxSize(),
             title = { Text(stringResource(R.string.performance_stats_title)) },
             onNavigateBack = onNavigateBack,
         ) { paddingValues ->
             val it = stats
             if (it == null) {
                 EmptyComposable(Modifier.padding(paddingValues))
             } else {
                 PerformanceTableComposable(
                     modifier = Modifier.padding(paddingValues),
                     stats = it,
                     onReload = { settingsManager.loadPerformanceStats() },
                 )
             }
         }
     }
 }
 
 @Composable
 fun PerformanceTableComposable(
     stats: PerformanceTable,
     onReload: () -> Unit,
     modifier: Modifier = Modifier,
 ) {
     val json = remember { Json {
         prettyPrint = true
         ignoreUnknownKeys = true
         coerceInputValues = true
     } }
 
     LazyColumn(modifier = modifier) {
         item {
             Row(
                 modifier = Modifier
                     .fillMaxWidth()
                     .padding(16.dp),
                 verticalAlignment = Alignment.CenterVertically,
                 horizontalArrangement = Arrangement.SpaceAround,
             ) {
                 ShareButton(json.encodeToString(stats))
 
                 Button(onClick = onReload) {
                     Icon(
                         Icons.Default.Refresh,
                         contentDescription = null,
                         modifier = Modifier.size(ButtonDefaults.IconSize),
                     )
                     Spacer(Modifier.size(ButtonDefaults.IconSpacing))
                     Text(stringResource(R.string.reload))
                 }
             }
         }
 
         if (stats.httpFetch.isNotEmpty()) {
             stickyHeader {
                 SectionHeader { Text(stringResource(R.string.performance_stats_http_fetch)) }
             }
 
             itemsIndexed(stats.httpFetch) { i, stat ->
                 PerformanceStatItem(i + 1, stat)
             }
         }
 
         if (stats.dbQuery.isNotEmpty()) {
             stickyHeader {
                 SectionHeader { Text(stringResource(R.string.performance_stats_db_query)) }
             }
 
             itemsIndexed(stats.dbQuery) { i, stat ->
                 PerformanceStatItem(i + 1, stat)
             }
         }
 
 
         if (stats.crypto.isNotEmpty()) {
             stickyHeader {
                 SectionHeader { Text(stringResource(R.string.performance_stats_crypto)) }
             }
 
             itemsIndexed(stats.crypto) { i, stat ->
                 PerformanceStatItem(i + 1, stat)
             }
         }
 
         if (stats.walletRequest.isNotEmpty()) {
             stickyHeader {
                 SectionHeader { Text(stringResource(R.string.performance_stats_wallet_request)) }
             }
 
             itemsIndexed(stats.walletRequest) { i, stat ->
                 PerformanceStatItem(i + 1, stat)
             }
         }
 
         if (stats.walletTask.isNotEmpty()) {
             stickyHeader {
                 SectionHeader { Text(stringResource(R.string.performance_stats_wallet_task)) }
             }
 
             itemsIndexed(stats.walletTask) { i, stat ->
                 PerformanceStatItem(i + 1, stat)
             }
         }
 
         item {
             BottomInsetsSpacer()
         }
     }
 }
 
 @Composable
 fun PerformanceStatItem(
     ranking: Int,
     stat: PerformanceStat,
 ) {
     ListItem(
         leadingContent = {
             Text(
                 text = stringResource(R.string.ranking, ranking),
                 fontWeight = FontWeight.ExtraBold,
                 style = MaterialTheme.typography.titleLarge,
             )
         },
 
         headlineContent = {
             Row(
                 modifier = Modifier.fillMaxWidth(),
                 verticalAlignment = Alignment.CenterVertically,
 
                 ) {
                 Box(Modifier.weight(1f, fill = false)) {
                     when (stat) {
                         is PerformanceStat.HttpFetch -> Text(
                             text = stat.url,
                             style = MaterialTheme.typography.bodySmall,
                         )
 
                         is PerformanceStat.DbQuery -> Text(stat.name)
                         is PerformanceStat.Crypto -> Text(stat.operation)
                         is PerformanceStat.WalletRequest -> Text(stat.operation)
                         is PerformanceStat.WalletTask -> Text(
                             text = stat.taskId,
                             style = MaterialTheme.typography.bodySmall,
                             fontFamily = FontFamily.Monospace,
                         )
                     }
                 }
 
                 Badge(Modifier.padding(start = 10.dp)) {
                     Text(stat.count.toString())
                 }
             }
         },
 
         supportingContent = {
             when(stat) {
                 is PerformanceStat.DbQuery -> Text(
                     text = stat.location,
                     style = MaterialTheme.typography.bodySmall,
                     fontFamily = FontFamily.Monospace,
                 )
                 else -> {}
             }
         },
 
         trailingContent = {
             Text(stringResource(R.string.millisecond, stat.maxDurationMs))
         },
     )
 }