Initial commit: YouTube Studio Flow (backend, frontend, infrastructure, docs)

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2026-08-11 12:27:44 +02:00
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'use client';
import { useState } from 'react';
import { useQuery } from '@tanstack/react-query';
import { Loader2, AlertCircle, BarChart2, ChevronDown, ChevronRight } from 'lucide-react';
import Link from 'next/link';
import { fetchQuotaHistory, type QuotaLogEntry } from '@/lib/api';
import f from '@/components/shared/FormField.module.css';
import styles from './page.module.css';
const OPERATION_COST: Record<string, string> = {
'videos.update': '50',
'playlistItems.insert': '50',
'playlistItems.delete': '50',
'videos.list': '1',
'playlistItems.list': '1',
'playlists.list': '1',
'channels.list': '1',
};
function relativeTime(iso: string) {
const diff = Date.now() - new Date(iso).getTime();
const s = Math.floor(diff / 1000);
if (s < 60) return `${s}s ago`;
const m = Math.floor(s / 60);
if (m < 60) return `${m}m ago`;
const h = Math.floor(m / 60);
if (h < 24) return `${h}h ago`;
return `${Math.floor(h / 24)}d ago`;
}
function formatDateTime(iso: string) {
return new Date(iso).toLocaleString();
}
function operationLabel(op: string) {
const labels: Record<string, string> = {
'videos.update': 'Push to YouTube',
'videos.list': 'Fetch video metadata',
'playlistItems.list': 'List playlist items',
'playlistItems.insert': 'Add to playlist',
'playlistItems.delete': 'Remove from playlist',
'playlists.list': 'List playlists',
'channels.list': 'Fetch channel info',
};
return labels[op] ?? op;
}
const DAYS_OPTIONS = [
{ value: 1, label: 'Today' },
{ value: 7, label: 'Last 7 days' },
{ value: 30, label: 'Last 30 days' },
{ value: 90, label: 'Last 90 days' },
];
function groupByOperation(items: QuotaLogEntry[]) {
const map = new Map<string, { count: number; units: number }>();
for (const item of items) {
const existing = map.get(item.operation) ?? { count: 0, units: 0 };
map.set(item.operation, { count: existing.count + 1, units: existing.units + item.units });
}
return Array.from(map.entries())
.map(([op, stats]) => ({ op, ...stats }))
.sort((a, b) => b.units - a.units);
}
// ── Action group clustering ──────────────────────────────────────────────────
const ACTION_TYPE_LABELS: Record<string, string> = {
channel_import: 'Channel Import',
video_sync: 'Push to YouTube',
video_refresh: 'Refresh from YouTube',
playlist_sync: 'Playlist Sync',
playlist_add: 'Add to Playlist',
playlist_remove: 'Remove from Playlist',
};
interface ActionGroup {
actionId: string | null;
channelId: string | null;
channelName: string | null;
startTs: number;
totalUnits: number;
entries: QuotaLogEntry[];
label: string;
detail: string | null;
videoId: string | null;
youtubeVideoId: string | null;
}
function buildLabel(
actionType: string | null,
entries: QuotaLogEntry[],
): { label: string; detail: string | null; videoId: string | null; youtubeVideoId: string | null } {
const label = (actionType && ACTION_TYPE_LABELS[actionType]) ?? operationLabel(entries[0]?.operation ?? '');
if (actionType === 'video_sync' || actionType === 'video_refresh') {
const e = entries.find((e) => e.videoTitle ?? e.videoId);
return {
label,
detail: e?.videoTitle ?? e?.videoId ?? null,
videoId: e?.videoId ?? null,
youtubeVideoId: e?.youtubeVideoId ?? null,
};
}
if (actionType === 'playlist_add' || actionType === 'playlist_remove') {
const e = entries.find((e) => e.entityLabel);
return { label, detail: e?.entityLabel ?? null, videoId: null, youtubeVideoId: null };
}
return { label, detail: null, videoId: null, youtubeVideoId: null };
}
function groupByActionId(items: QuotaLogEntry[]): ActionGroup[] {
if (!items.length) return [];
const map = new Map<string, ActionGroup>();
for (const entry of items) {
const key = entry.actionId ?? `ungrouped:${entry.id}`;
const ts = new Date(entry.createdAt).getTime();
if (!map.has(key)) {
map.set(key, {
actionId: entry.actionId,
channelId: entry.channelId,
channelName: entry.channelName,
startTs: ts,
totalUnits: 0,
entries: [],
label: '',
detail: null,
videoId: null,
youtubeVideoId: null,
});
}
const group = map.get(key)!;
group.totalUnits += entry.units;
group.entries.push(entry);
if (ts < group.startTs) group.startTs = ts;
}
const groups = Array.from(map.values());
for (const group of groups) {
const actionType = group.entries[0]?.actionType ?? null;
const { label, detail, videoId, youtubeVideoId } = buildLabel(actionType, group.entries);
group.label = label;
group.detail = detail;
group.videoId = videoId;
group.youtubeVideoId = youtubeVideoId;
group.entries.sort((a, b) => new Date(a.createdAt).getTime() - new Date(b.createdAt).getTime());
}
const sorted = groups.sort((a, b) => b.startTs - a.startTs);
return clusterVideoGroups(sorted);
}
// Merge action groups that share the same videoId and are within 60 seconds of each other.
// This handles the common case where a video push and playlist changes are logged as separate
// actionIds but belong to the same user-initiated save action.
function clusterVideoGroups(groups: ActionGroup[]): ActionGroup[] {
const result: ActionGroup[] = [];
const used = new Set<number>();
for (let i = 0; i < groups.length; i++) {
if (used.has(i)) continue;
const g = groups[i];
if (!g.videoId) {
result.push(g);
continue;
}
const toMerge: ActionGroup[] = [g];
for (let j = i + 1; j < groups.length; j++) {
if (used.has(j)) continue;
const other = groups[j];
if (other.videoId !== g.videoId) continue;
// groups are sorted newest-first so g.startTs >= other.startTs
if (g.startTs - other.startTs > 60_000) continue;
toMerge.push(other);
used.add(j);
}
if (toMerge.length === 1) {
result.push(g);
} else {
const allEntries = toMerge
.flatMap((m) => m.entries)
.sort((a, b) => new Date(a.createdAt).getTime() - new Date(b.createdAt).getTime());
const totalUnits = toMerge.reduce((s, m) => s + m.totalUnits, 0);
const startTs = Math.min(...toMerge.map((m) => m.startTs));
// Prefer the video_sync group's label if present; otherwise keep the first
const primary = toMerge.find((m) => m.entries.some((e) => e.actionType === 'video_sync')) ?? toMerge[0];
result.push({ ...primary, entries: allEntries, totalUnits, startTs });
}
}
return result;
}
// ── Components ───────────────────────────────────────────────────────────────
function ActionGroupRow({ group }: { group: ActionGroup }) {
const [open, setOpen] = useState(false);
const startIso = new Date(group.startTs).toISOString();
return (
<div className={styles.groupBlock}>
<button
className={styles.groupHeader}
onClick={() => setOpen((v) => !v)}
aria-expanded={open}
>
<span className={styles.groupChevron}>
{open ? <ChevronDown size={14} /> : <ChevronRight size={14} />}
</span>
<span className={styles.groupTime} title={formatDateTime(startIso)}>
{relativeTime(startIso)}
</span>
<span className={styles.groupLabel}>{group.label}</span>
{group.detail && (
group.videoId ? (
<Link
href={`/videos/${group.videoId}`}
className={styles.groupDetail}
onClick={(e) => e.stopPropagation()}
>
{group.detail}
{group.youtubeVideoId && (
<span className={styles.groupVideoId}>{group.youtubeVideoId}</span>
)}
</Link>
) : (
<span className={styles.groupDetail}>{group.detail}</span>
)
)}
<span className={styles.groupMeta}>
{group.channelName && <span className={styles.groupChannel}>{group.channelName}</span>}
<span className={styles.groupCalls}>{group.entries.length} call{group.entries.length !== 1 ? 's' : ''}</span>
<span className={`${styles.groupUnits} ${group.totalUnits >= 50 ? styles.groupUnitsHigh : ''}`}>
{group.totalUnits} units
</span>
</span>
</button>
{open && (
<div className={styles.groupEntries}>
<table className={styles.subTable}>
<thead>
<tr>
<th>Time</th>
<th>Operation</th>
<th>Detail</th>
<th className={styles.numCol}>Units</th>
</tr>
</thead>
<tbody>
{group.entries.map((entry) => (
<tr key={entry.id} className={styles.subRow}>
<td className={styles.timeCell} title={formatDateTime(entry.createdAt)}>
{relativeTime(entry.createdAt)}
</td>
<td>
<span className={styles.opLabel}>{operationLabel(entry.operation)}</span>
<span className={styles.opCode}>{entry.operation}</span>
</td>
<td className={styles.detailCell}>
{entry.videoId ? (
<Link href={`/videos/${entry.videoId}`} className={styles.videoLink}>
{entry.videoTitle ?? entry.videoId}
{entry.youtubeVideoId && (
<span className={styles.groupVideoId}>{entry.youtubeVideoId}</span>
)}
</Link>
) : entry.entityLabel ? (
<span>{entry.entityLabel}</span>
) : (
<span className={styles.none}></span>
)}
</td>
<td className={`${styles.numCol} ${styles.unitsBadge} ${entry.units >= 50 ? styles.unitsHigh : ''}`}>
{entry.units}
</td>
</tr>
))}
</tbody>
</table>
</div>
)}
</div>
);
}
// ── Page ─────────────────────────────────────────────────────────────────────
export default function QuotaHistoryPage() {
const [days, setDays] = useState(7);
const { data, isLoading, isError } = useQuery({
queryKey: ['quotaHistory', days],
queryFn: () => fetchQuotaHistory(days),
refetchInterval: 60_000,
});
const summary = data ? groupByOperation(data.items) : [];
const groups = data ? groupByActionId(data.items) : [];
const limit = 9_000;
const pct = data ? Math.round((data.totalUnits / limit) * 100) : 0;
return (
<div className={styles.container}>
<header className={styles.header}>
<div>
<span className={styles.eyebrow}>Logging</span>
<h1>Quota History</h1>
</div>
<div className={styles.headerRight}>
<select
className={`${f.input} ${styles.daySelect}`}
value={days}
onChange={(e) => setDays(Number(e.target.value))}
>
{DAYS_OPTIONS.map((o) => (
<option key={o.value} value={o.value}>{o.label}</option>
))}
</select>
</div>
</header>
{/* Summary cards */}
{data && (
<div className={styles.summaryRow}>
<div className={`panel ${styles.summaryCard}`}>
<div className={styles.summaryValue}>{data.totalUnits.toLocaleString()}</div>
<div className={styles.summaryLabel}>Total units used</div>
<div className={styles.quotaBar}>
<div
className={`${styles.quotaFill} ${pct > 70 ? styles.quotaFillWarn : ''} ${pct > 90 ? styles.quotaFillError : ''}`}
style={{ width: `${Math.min(pct, 100)}%` }}
/>
</div>
<div className={styles.summaryMeta}>{pct}% of 9,000 daily limit</div>
</div>
<div className={`panel ${styles.summaryCard}`}>
<div className={styles.summaryValue}>{groups.length.toLocaleString()}</div>
<div className={styles.summaryLabel}>Actions</div>
<div className={styles.summaryMeta}>{data.items.length} API calls total</div>
</div>
{summary[0] && (
<div className={`panel ${styles.summaryCard}`}>
<div className={styles.summaryValue}>{summary[0].units.toLocaleString()}</div>
<div className={styles.summaryLabel}>Highest cost: {operationLabel(summary[0].op)}</div>
<div className={styles.summaryMeta}>{summary[0].count} calls × {OPERATION_COST[summary[0].op] ?? '?'} units</div>
</div>
)}
</div>
)}
{/* Breakdown by operation */}
{summary.length > 0 && (
<section className="panel">
<h2 className={styles.sectionTitle}>
<BarChart2 size={15} />
Usage by operation
</h2>
<table className={styles.breakdownTable}>
<thead>
<tr>
<th>Operation</th>
<th className={styles.numCol}>Calls</th>
<th className={styles.numCol}>Units each</th>
<th className={styles.numCol}>Total units</th>
<th className={styles.barCol}></th>
</tr>
</thead>
<tbody>
{summary.map(({ op, count, units }) => (
<tr key={op} className={styles.breakdownRow}>
<td>
<span className={styles.opLabel}>{operationLabel(op)}</span>
<span className={styles.opCode}>{op}</span>
</td>
<td className={styles.numCol}>{count.toLocaleString()}</td>
<td className={styles.numCol}>{OPERATION_COST[op] ?? '?'}</td>
<td className={styles.numCol}><strong>{units.toLocaleString()}</strong></td>
<td className={styles.barCol}>
<div className={styles.miniBarTrack}>
<div
className={styles.miniBarFill}
style={{ width: `${Math.round((units / data!.totalUnits) * 100)}%` }}
/>
</div>
</td>
</tr>
))}
</tbody>
</table>
</section>
)}
{/* Action groups */}
<section>
<h2 className={styles.sectionTitle} style={{ marginBottom: 'var(--space-3)' }}>
Actions
{data && <span className={styles.count}>{groups.length}</span>}
</h2>
{isLoading && (
<div className={styles.state}>
<Loader2 size={20} className={styles.spin} />
<span>Loading quota history</span>
</div>
)}
{isError && (
<div className={styles.state}>
<AlertCircle size={18} />
<span>Failed to load quota history.</span>
</div>
)}
{data?.items.length === 0 && (
<div className={styles.empty}>No quota usage recorded for this period.</div>
)}
{groups.length > 0 && (
<div className={styles.groupList}>
{groups.map((group, i) => (
<ActionGroupRow key={i} group={group} />
))}
</div>
)}
</section>
</div>
);
}