ytptube/ui/app/pages/logs.vue
2026-03-25 22:59:53 +03:00

599 lines
16 KiB
Vue

<template>
<main class="w-full min-w-0 max-w-full space-y-4">
<div class="flex flex-col gap-3 xl:flex-row xl:items-start xl:justify-between">
<div class="min-w-0 space-y-1">
<div class="flex flex-wrap items-center gap-2 text-lg font-semibold text-highlighted">
<UIcon name="i-lucide-file-text" class="size-5 text-toned" />
<span>Logs</span>
<UBadge :color="loading ? 'info' : 'success'" variant="soft" size="sm">
{{ loading ? 'Loading history' : 'Live stream' }}
</UBadge>
<UBadge :color="autoScroll ? 'success' : 'neutral'" variant="soft" size="sm">
{{ autoScroll ? 'Auto-follow' : 'Manual scroll' }}
</UBadge>
<UBadge color="neutral" variant="soft" size="sm">
{{ filteredLogs.length }} shown
</UBadge>
<UBadge
v-if="logs.length !== filteredLogs.length"
color="neutral"
variant="outline"
size="sm"
>
{{ logs.length }} loaded
</UBadge>
<UBadge v-if="hasActiveFilter" color="warning" variant="soft" size="sm">
{{ matchCount }} matches
</UBadge>
<UBadge v-if="reachedEnd && !hasActiveFilter" color="neutral" variant="soft" size="sm">
Start of file loaded
</UBadge>
</div>
<p class="text-sm text-toned">Scroll near the top to load older logs.</p>
</div>
<div class="flex flex-wrap items-center justify-end gap-2">
<UButton
v-if="!autoScroll"
color="neutral"
variant="outline"
size="sm"
icon="i-lucide-arrow-down"
@click="scrollToBottom(false)"
>
Jump to Live Tail
</UButton>
<div v-if="toggleFilter || query" class="relative w-full sm:w-72">
<span
class="pointer-events-none absolute inset-y-0 left-0 flex items-center pl-3 text-toned"
>
<UIcon name="i-lucide-filter" class="size-4" />
</span>
<input
id="filter"
v-model.lazy="query"
type="search"
placeholder="Filter displayed content"
class="w-full rounded-md border border-default bg-elevated py-2 pr-3 pl-9 text-sm text-default outline-none transition focus:border-primary"
/>
</div>
<UButton
color="neutral"
:variant="toggleFilter ? 'soft' : 'outline'"
size="sm"
icon="i-lucide-filter"
@click="toggleFilter = !toggleFilter"
>
Filter
</UButton>
<USwitch
v-model="textWrap"
color="primary"
size="sm"
:label="textWrap ? 'Wrap lines' : 'Horizontal scroll'"
:ui="{ root: 'items-center gap-2', wrapper: 'ms-0 text-xs text-toned' }"
/>
</div>
</div>
<UPageCard variant="naked" :ui="pageCardUi">
<template #body>
<div class="space-y-3">
<div class="flex flex-wrap items-center justify-end gap-2 text-xs text-toned">
<span v-if="searchTerm">
Query: <code>{{ searchTerm }}</code>
</span>
<span v-if="filterContext > 0">
Context: <code>{{ filterContext }}</code>
</span>
</div>
<div ref="logContainer" class="logbox overflow-auto" @scroll.passive="handleScroll">
<div
class="min-w-full space-y-2 font-mono text-[12px] leading-6 text-default"
role="log"
aria-live="polite"
>
<div v-if="reachedEnd && !hasActiveFilter" class="flex justify-center">
<div
class="rounded-full border border-default bg-muted/40 px-3 py-1 text-[11px] text-toned"
>
No older lines remain in this file.
</div>
</div>
<div v-if="filteredLogs.length > 0" class="space-y-1.5">
<article
v-for="(entry, index) in filteredLogs"
:key="entry.log.id"
:class="logRowClass(entry, index)"
>
<span class="log-timestamp" :title="logTimeTitle(entry.log.datetime)">
{{ logTimeLabel(entry.log.datetime) }}
</span>
<p class="log-line" :class="textWrap ? 'log-line--wrap' : 'log-line--nowrap'">
{{ entry.log.line }}
</p>
</article>
</div>
<div
v-else
class="rounded-xl border border-default bg-muted/20 px-4 py-6 text-center"
>
<div class="space-y-2">
<p class="text-sm font-semibold text-highlighted">
{{
hasActiveFilter
? 'No log lines match the current filter.'
: 'No log lines are available yet.'
}}
</p>
<p v-if="hasActiveFilter" class="text-xs text-toned">
Try a different term or clear <code>{{ query }}</code
>.
</p>
</div>
</div>
<div ref="bottomMarker" />
</div>
</div>
</div>
</template>
</UPageCard>
</main>
</template>
<script setup lang="ts">
import { fetchEventSource } from '@microsoft/fetch-event-source';
import type { EventSourceMessage } from '@microsoft/fetch-event-source';
import moment from 'moment';
import { useStorage } from '@vueuse/core';
import type { log_line } from '~/types/logs';
import { disableOpacity, enableOpacity, parse_api_error, request, uri } from '~/utils';
type FilteredLogEntry = {
log: log_line;
isMatch: boolean;
isContext: boolean;
};
type LogTone = 'default' | 'info' | 'warning' | 'error';
const FILTER_CONTEXT_REGEX = /context:(\d+)/;
let scrollTimeout: NodeJS.Timeout | null = null;
const toast = useNotification();
const config = useConfigStore();
const route = useRoute();
const logContainer = useTemplateRef<HTMLDivElement>('logContainer');
const bottomMarker = useTemplateRef<HTMLDivElement>('bottomMarker');
const textWrap = useStorage<boolean>('logs_wrap', true);
const sseController = ref<AbortController | null>(null);
const logs = ref<Array<log_line>>([]);
const offset = ref(0);
const loading = ref(false);
const autoScroll = ref(true);
const reachedEnd = ref(false);
const pageCardUi = {
root: 'w-full bg-transparent',
container: 'w-full p-4 sm:p-5',
wrapper: 'w-full items-stretch',
body: 'w-full',
};
const query = ref<string>(
(() => {
const filter = route.query.filter ?? '';
if (!filter) {
return '';
}
if (typeof filter === 'string') {
return filter.trim();
}
if (Array.isArray(filter) && filter.length > 0) {
return filter[0]?.trim() ?? '';
}
return '';
})(),
);
const toggleFilter = ref(Boolean(query.value));
const normalizedQuery = computed(() => query.value.trim().toLowerCase());
const filterContext = computed(() => {
const match = normalizedQuery.value.match(FILTER_CONTEXT_REGEX);
return match ? parseInt(match[1] ?? '0', 10) : 0;
});
const searchTerm = computed(() => normalizedQuery.value.replace(FILTER_CONTEXT_REGEX, '').trim());
const hasActiveFilter = computed(() => Boolean(searchTerm.value));
watch(toggleFilter, () => {
if (!toggleFilter.value) {
query.value = '';
scrollToBottom(true);
}
});
watch(
() => config.app.file_logging,
async (value) => {
if (value) {
return;
}
await navigateTo('/');
},
);
const filteredLogs = computed<FilteredLogEntry[]>(() => {
if (!hasActiveFilter.value) {
return logs.value.map((log) => ({ log, isMatch: false, isContext: false }));
}
const result: Array<FilteredLogEntry> = [];
const visibleIndexes = new Set<number>();
const matchedIndexes = new Set<number>();
logs.value.forEach((log, index) => {
if (log.line.toLowerCase().includes(searchTerm.value)) {
matchedIndexes.add(index);
for (
let i = Math.max(0, index - filterContext.value);
i <= Math.min(logs.value.length - 1, index + filterContext.value);
i++
) {
visibleIndexes.add(i);
}
}
});
Array.from(visibleIndexes)
.sort((a, b) => a - b)
.forEach((index) => {
result.push({
log: logs.value[index] as log_line,
isMatch: matchedIndexes.has(index),
isContext: !matchedIndexes.has(index),
});
});
return result;
});
const matchCount = computed(() => filteredLogs.value.filter((entry) => entry.isMatch).length);
const fetchLogs = async (): Promise<void> => {
loading.value = true;
if (reachedEnd.value || (hasActiveFilter.value && logs.value.length > 0)) {
loading.value = false;
return;
}
try {
const req = await request(`/api/logs?offset=${offset.value}`);
if (!req.ok) {
toast.error('Failed to fetch logs');
return;
}
const response = await req.json();
if (response.error) {
toast.error(response.error);
return;
}
const lines = response.logs ?? [];
if (lines.length) {
logs.value.unshift(...response.logs);
}
if (response?.next_offset) {
offset.value = response.next_offset;
}
if (response?.end_is_reached) {
reachedEnd.value = true;
}
nextTick(() => {
if (autoScroll.value && bottomMarker.value) {
bottomMarker.value.scrollIntoView({ behavior: 'auto' });
}
});
} catch (error) {
console.error('Failed to fetch logs:', error);
} finally {
loading.value = false;
}
};
const handleScroll = (): void => {
if (!logContainer.value || hasActiveFilter.value) {
return;
}
const container = logContainer.value;
const nearBottom = container.scrollTop + container.clientHeight >= container.scrollHeight - 50;
const nearTop = container.scrollTop < 50;
autoScroll.value = nearBottom;
if (nearTop && !loading.value && !scrollTimeout) {
scrollTimeout = setTimeout(async () => {
const previousHeight = container.scrollHeight;
await fetchLogs();
nextTick(() => {
const newHeight = container.scrollHeight;
container.scrollTop += newHeight - previousHeight;
});
scrollTimeout = null;
}, 300);
}
};
const scrollToBottom = (fast = false): void => {
autoScroll.value = true;
nextTick(() => {
bottomMarker.value?.scrollIntoView({ behavior: fast ? 'auto' : 'smooth' });
});
};
const handleStreamMessage = (event: EventSourceMessage): void => {
if (event.event !== 'log_lines' || !event.data) {
return;
}
let payload: log_line | null = null;
try {
payload = JSON.parse(event.data) as log_line;
} catch {
payload = null;
}
if (!payload) {
return;
}
logs.value.push(payload);
nextTick(() => {
if (autoScroll.value && bottomMarker.value) {
bottomMarker.value.scrollIntoView({ behavior: 'smooth' });
}
});
};
const startLogStream = async (): Promise<void> => {
sseController.value?.abort();
const controller = new AbortController();
sseController.value = controller;
try {
await fetchEventSource(uri('/api/logs/stream'), {
method: 'GET',
headers: {
Accept: 'text/event-stream',
},
credentials: 'same-origin',
signal: controller.signal,
onopen: async (response) => {
if (response.ok) {
return;
}
let message = response.statusText || 'Failed to start log stream.';
try {
message = await parse_api_error(response.clone().json());
} catch {
try {
const text = await response.text();
if (text) {
message = text;
}
} catch {
message = response.statusText || 'Failed to start log stream.';
}
}
throw new Error(message);
},
onmessage: handleStreamMessage,
onerror: (error) => {
if (controller.signal.aborted) {
return;
}
console.error('Log stream error:', error);
},
});
} catch (error) {
if (!controller.signal.aborted) {
console.error('Log stream error:', error);
}
} finally {
if (controller === sseController.value) {
sseController.value = null;
}
}
};
const logTimeLabel = (value?: string): string =>
value ? moment(value).format('HH:mm:ss') : '--:--:--';
const logTimeTitle = (value?: string): string =>
value ? moment(value).format('YYYY-MM-DD HH:mm:ss Z') : 'No timestamp';
const detectLogTone = (line: string): LogTone => {
const normalized = line.toLowerCase();
if (/error|failed|exception|traceback|fatal/.test(normalized)) {
return 'error';
}
if (/warn|deprecated|retry/.test(normalized)) {
return 'warning';
}
if (/info|started|connected|listening|ready/.test(normalized)) {
return 'info';
}
return 'default';
};
const logRowClass = (entry: FilteredLogEntry, index: number): string[] => {
const classes = ['log-row', `log-row--${detectLogTone(entry.log.line)}`];
if (entry.isMatch) {
classes.push('log-row--match');
return classes;
}
if (entry.isContext) {
classes.push('log-row--context');
return classes;
}
if (index % 2 === 1) {
classes.push('log-row--alt');
}
return classes;
};
onMounted(async () => {
if (!config.app.file_logging) {
await navigateTo('/');
return;
}
disableOpacity();
await fetchLogs();
await startLogStream();
});
onBeforeUnmount(() => {
sseController.value?.abort();
enableOpacity();
if (scrollTimeout) {
clearTimeout(scrollTimeout);
scrollTimeout = null;
}
});
useHead({ title: 'Logs' });
</script>
<style scoped>
.logbox {
min-width: 100%;
min-height: 55vh;
max-height: 60vh;
background: transparent;
padding: 0.75rem;
}
.log-row {
display: flex;
align-items: flex-start;
gap: 0.75rem;
border: 1px solid transparent;
border-radius: 0.75rem;
padding: 0.625rem 0.75rem;
background: var(--ui-bg);
transition:
background-color 0.15s ease,
border-color 0.15s ease;
}
.log-row--alt {
background: var(--ui-bg-elevated);
}
.log-row--match {
border-color: color-mix(in oklab, var(--ui-warning) 35%, transparent);
background: color-mix(in oklab, var(--ui-warning) 12%, var(--ui-bg) 88%);
}
.log-row--context {
border-color: color-mix(in oklab, var(--ui-border) 75%, transparent);
background: color-mix(in oklab, var(--ui-bg-muted) 30%, var(--ui-bg) 70%);
}
.log-row:hover {
border-color: var(--ui-border-accented);
background: color-mix(in oklab, var(--ui-bg-elevated) 65%, var(--ui-bg-muted) 35%);
}
.log-timestamp {
display: inline-flex;
min-width: 4.75rem;
flex-shrink: 0;
align-items: center;
justify-content: center;
border-radius: 0.5rem;
border: 1px solid color-mix(in oklab, var(--ui-border) 80%, transparent);
background: color-mix(in oklab, var(--ui-bg-muted) 50%, var(--ui-bg) 50%);
padding: 0.2rem 0.55rem;
font-size: 11px;
font-weight: 600;
color: var(--ui-text-toned);
}
.log-line {
flex: 1;
min-width: 0;
}
.log-line--wrap {
white-space: pre-wrap;
overflow-wrap: anywhere;
word-break: break-word;
}
.log-line--nowrap {
min-width: max-content;
white-space: pre;
}
.log-row--default .log-line {
color: var(--ui-text-highlighted);
}
.log-row--info .log-line {
color: color-mix(in oklab, var(--ui-info) 55%, var(--ui-text-highlighted) 45%);
}
.log-row--warning .log-line {
color: color-mix(in oklab, var(--ui-warning) 60%, var(--ui-text-highlighted) 40%);
}
.log-row--error .log-line {
color: color-mix(in oklab, var(--ui-error) 70%, var(--ui-text-highlighted) 30%);
}
</style>