Files
ai-app/app/androidApp/src/main/kotlin/com/example/aiapp/UsageDialog.kt
T

264 lines
12 KiB
Kotlin

package com.example.aiapp
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.rememberScrollState
import androidx.compose.foundation.verticalScroll
import androidx.compose.material3.CircularProgressIndicator
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Surface
import androidx.compose.material3.Text
import androidx.compose.material3.TextButton
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.unit.dp
import androidx.compose.ui.window.Dialog
import java.time.OffsetDateTime
/**
* Window bars for the account's rate limits, with reset times.
*
* A dialog rather than a screen. Usage is something you check *against* what you were reading --
* "can I start this" is asked with the transcript still on screen -- and pushing a whole screen for
* it took the session away to answer a question about the session. It also has no navigation of its
* own, so the only thing its Back could ever have meant was "put this away".
*/
@Composable
fun UsageDialog(
settings: ServerSettings,
feed: UsageFeed,
session: SessionSummary,
onDismiss: () -> Unit,
) {
var signingIn by remember { mutableStateOf(false) }
val now = rememberUsageNow()
// A plain Dialog rather than an AlertDialog, for the spacing alone. AlertDialog fixes the gaps
// between its title, content and buttons at sizes meant for a sentence of prose and a decision;
// this is a dense read-out, and those gaps left a band of empty dialog above Close that was
// taller than a bar.
Dialog(onDismissRequest = onDismiss) {
Surface(
shape = MaterialTheme.shapes.extraLarge,
color = MaterialTheme.colorScheme.surfaceContainerHigh,
) {
Column(Modifier.padding(horizontal = 24.dp, vertical = 16.dp)) {
Row(
verticalAlignment = Alignment.CenterVertically,
modifier = Modifier.fillMaxWidth(),
) {
Text(
"Usage",
style = MaterialTheme.typography.headlineSmall,
modifier = Modifier.weight(1f),
)
// A spinner in the button's place while the answer is on its way, since the
// numbers under it stay put during a refresh -- without it, pressing refresh
// over an unchanged read-out looks like a button that does nothing.
if (feed.refreshing) {
GlyphSpinner("Refreshing usage")
} else {
GlyphButton(REFRESH_GLYPH, "Refresh usage", feed.refresh)
}
}
Spacer(Modifier.height(8.dp))
// Scrolls rather than being trimmed: a machine can report any number of windows and
// a provider can report several billing pools, and a dialog is the one place where
// running out of room is silent. `fill = false` so a short read-out keeps a short
// dialog.
Column(Modifier.weight(1f, fill = false).verticalScroll(rememberScrollState())) {
val state =
when (val snapshots = feed.snapshots) {
is LoadState.Loading -> LoadState.Loading
is LoadState.Error -> snapshots
is LoadState.Loaded ->
LoadState.Loaded(
usageSnapshotsFor(
snapshots.value,
session.machine,
session.usageProvider,
)
)
}
UsageBody(state, now, onSignIn = { signingIn = true })
}
TextButton(onClick = onDismiss, modifier = Modifier.align(Alignment.End)) {
Text("Close")
}
}
}
}
if (signingIn) {
ProviderLoginDialog(
settings = settings,
machineId = session.machine,
machineName = session.machineName,
provider = session.provider,
onDismiss = { signingIn = false },
onSignedIn = {
signingIn = false
feed.refresh()
},
)
}
}
/** What came back, or why nothing did. Split out so the dialog above reads as its own shape. */
@Composable
private fun UsageBody(
state: LoadState<List<UsageSnapshot>>,
now: OffsetDateTime,
onSignIn: () -> Unit,
) {
Column {
when (val current = state) {
is LoadState.Loading -> CircularProgressIndicator()
is LoadState.Error -> Text(current.message, color = MaterialTheme.colorScheme.error)
is LoadState.Loaded ->
if (current.value.isEmpty()) {
// Not an error and not a blank screen: this provider has no paid quota, so
// there is genuinely nothing to report and saying so is the answer.
Text(
"This session's provider has no usage limits.",
style = MaterialTheme.typography.bodyMedium,
color = MaterialTheme.colorScheme.onSurfaceVariant,
)
} else {
// No card around each pool. A card is a step up the surface ladder, and inside
// a dialog -- itself a raised surface -- the step barely renders while costing
// 16dp on every side. What separates one pool from the next is the line naming
// it.
current.value.forEachIndexed { index, snapshot ->
if (index > 0) {
Spacer(Modifier.height(20.dp))
}
// Machine and service on one line: which account these numbers belong to is
// decided by both together, and stacked as a heading over a subtitle they
// read as a section of their own. Small and quiet, because the numbers
// below are what somebody opened this to see.
Text(
usageSectionTitle(snapshot),
style = MaterialTheme.typography.bodySmall,
color = MaterialTheme.colorScheme.onSurfaceVariant,
)
SnapshotState(snapshot, onSignIn)
snapshot.windows.forEachIndexed { windowIndex, window ->
// Between the bars, not after the last one: a trailing gap here is what
// put a band of empty dialog above the Close button.
if (windowIndex > 0) {
Spacer(Modifier.height(12.dp))
}
WindowBar(window, now)
}
}
}
}
}
}
private fun usageSectionTitle(snapshot: UsageSnapshot): String {
val machine = snapshot.machineName.ifEmpty { snapshot.machine }
val provider = snapshot.provider
val pool =
if (provider == "codex" && snapshot.limitId != "codex") {
when (snapshot.limitName) {
"gpt-reserve" -> "Luna Reserve"
null -> snapshot.limitId
else -> snapshot.limitName
}
} else null
return listOfNotNull(machine, provider, pool).joinToString(" · ")
}
/**
* Anything other than numbers: why this machine has none.
*
* The distinction the old single message could not draw. A machine nobody has logged in on is
* working exactly as somebody set it up, so it reads as a plain statement -- marking it would be
* the interface nagging about a decision already made. It still offers the direct sign-in action;
* unreachable and provider failures are the states coloured as faults.
*/
@Composable
private fun SnapshotState(snapshot: UsageSnapshot, onSignIn: () -> Unit) {
when (snapshot.state) {
"ok" -> {}
"notLoggedIn",
"loginRequired" -> {
Text(
snapshot.detail ?: "No Claude account on this machine.",
style = MaterialTheme.typography.bodyMedium,
color = MaterialTheme.colorScheme.onSurfaceVariant,
)
TextButton(onClick = onSignIn) { Text("Sign in") }
}
"authenticating" ->
Text(
"Claude sign-in is in progress.",
style = MaterialTheme.typography.bodyMedium,
color = MaterialTheme.colorScheme.onSurfaceVariant,
)
// Reached but refused, versus never reached at all: different things to go and do, so they
// say different things rather than sharing one "unavailable".
"failed" ->
Text(
snapshot.detail ?: "Couldn't read the limits from this machine.",
style = MaterialTheme.typography.bodyMedium,
color = failedColor,
)
else ->
Text(
snapshot.detail ?: "Couldn't reach this machine.",
style = MaterialTheme.typography.bodyMedium,
color = failedColor,
)
}
}
@Composable
private fun WindowBar(window: UsageWindow, now: OffsetDateTime) {
Column {
Row(modifier = Modifier.fillMaxWidth()) {
Text(
window.label + if (window.active) " (active)" else "",
style = MaterialTheme.typography.bodyMedium,
modifier = Modifier.weight(1f),
)
Text("${window.percent.toInt()}%", style = MaterialTheme.typography.bodyMedium)
}
Spacer(Modifier.height(4.dp))
UsageProgressIndicator(window, now, Modifier.fillMaxWidth())
resetLine(window, now)?.let {
Spacer(Modifier.height(2.dp))
Text(
it,
style = MaterialTheme.typography.bodySmall,
color = MaterialTheme.colorScheme.onSurfaceVariant,
)
}
}
}
/**
* "resets in 3h 12m" -- close enough for deciding whether to start a big task -- or nothing.
*
* Null for a window that is not running: there is no end to report. What this used to get wrong is
* the other missing case, a timestamp that arrived and could not be read -- printed raw, so a parse
* failure appeared as an ISO string in a sentence written for a person. Both are named in
* [WindowEnd], and the session bar words them the same way.
*/
private fun resetLine(window: UsageWindow, now: OffsetDateTime): String? =
when (val end = windowEnd(window.resetsAt, now)) {
WindowEnd.NotRunning -> null
WindowEnd.Unreadable -> "reset time unreadable"
is WindowEnd.Ends ->
if (end.until.isNegative) "resets soon" else "resets in ${formatSpan(end.until)}"
}