File size: 8,544 Bytes
6111b2b | 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 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 | "use client";
import { useState, useEffect, useCallback } from "react";
import { Card } from "@/shared/components";
import { useTranslations } from "next-intl";
interface CacheMetrics {
totalRequests: number;
requestsWithCacheControl: number;
totalInputTokens: number;
totalCachedTokens: number;
totalCacheCreationTokens: number;
tokensSaved: number;
estimatedCostSaved: number;
byProvider: Record<
string,
{
requests: number;
inputTokens: number;
cachedTokens: number;
cacheCreationTokens: number;
}
>;
byStrategy: Record<
string,
{
requests: number;
inputTokens: number;
cachedTokens: number;
cacheCreationTokens: number;
}
>;
lastUpdated: string;
}
const REFRESH_INTERVAL_MS = 10_000;
const REFRESH_INTERVAL_SECONDS = REFRESH_INTERVAL_MS / 1000;
function formatNumberCompact(num: number): string {
return Intl.NumberFormat("en-US", {
notation: "compact",
maximumFractionDigits: 1,
}).format(num);
}
export default function CacheStatsCard() {
const [metrics, setMetrics] = useState<CacheMetrics | null>(null);
const [resetting, setResetting] = useState(false);
const t = useTranslations("cache");
const fetchMetrics = useCallback(() => {
fetch("/api/settings/cache-metrics")
.then((r) => r.json())
.then(setMetrics)
.catch(() => {});
}, []);
useEffect(() => {
void fetchMetrics();
const id = setInterval(() => void fetchMetrics(), REFRESH_INTERVAL_MS);
return () => clearInterval(id);
}, [fetchMetrics]);
const handleReset = async () => {
setResetting(true);
try {
await fetch("/api/settings/cache-metrics", { method: "DELETE" });
fetchMetrics();
} finally {
setResetting(false);
}
};
const cacheHitRate =
metrics && metrics.totalInputTokens > 0
? (metrics.totalCachedTokens / metrics.totalInputTokens) * 100
: 0;
return (
<Card>
<div className="p-5 flex flex-col gap-4">
<div className="flex items-center justify-between">
<div className="flex items-center gap-2">
<span
className="material-symbols-outlined text-base text-text-muted"
aria-hidden="true"
>
insights
</span>
<h2 className="font-medium text-sm">{t("cacheMetrics")}</h2>
</div>
<div className="flex items-center gap-3">
<span className="text-xs text-text-muted">
{t("autoRefresh", { seconds: REFRESH_INTERVAL_SECONDS })}
</span>
<button
onClick={handleReset}
disabled={resetting}
className="px-3 py-1.5 text-xs rounded-lg bg-red-500/10 text-red-400 hover:bg-red-500/20 transition-colors disabled:opacity-50"
>
{resetting ? t("resetting") : t("resetMetrics")}
</button>
</div>
</div>
{metrics ? (
<div className="flex flex-col gap-4">
{/* Overview Stats */}
<div className="grid grid-cols-2 gap-4 text-sm">
<div>
<p className="text-text-muted">{t("totalRequests")}</p>
<p className="font-mono text-lg text-text-main">{metrics.totalRequests}</p>
</div>
<div>
<p className="text-text-muted">{t("withCacheControl")}</p>
<p className="font-mono text-lg text-text-main">
{metrics.requestsWithCacheControl}
</p>
</div>
</div>
{/* Token Stats */}
<div className="grid grid-cols-3 gap-4 text-sm">
<div>
<p className="text-text-muted">{t("inputTokens")}</p>
<p className="font-mono text-lg text-text-main">
{formatNumberCompact(metrics.totalInputTokens)}
</p>
</div>
<div>
<p className="text-text-muted">{t("cachedTokensRead")}</p>
<p className="font-mono text-lg text-green-400">
{formatNumberCompact(metrics.totalCachedTokens)}
</p>
</div>
<div>
<p className="text-text-muted">{t("cacheCreationWrite")}</p>
<p className="font-mono text-lg text-blue-400">
{formatNumberCompact(metrics.totalCacheCreationTokens)}
</p>
</div>
</div>
{/* Cache Ratio */}
<div className="rounded-lg bg-surface/50 border border-border/30 p-3">
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-text-main">{t("cacheReuseRatio")}</p>
<p className="text-xs text-text-muted">{t("cacheReuseRatioDesc")}</p>
</div>
<p className="font-mono text-xl text-green-400">{cacheHitRate.toFixed(1)}%</p>
</div>
{/* Progress bar */}
<div className="mt-2 h-2 rounded-full bg-border/30 overflow-hidden">
<div
className="h-full bg-green-500 transition-all duration-300"
style={{ width: `${Math.min(cacheHitRate, 100)}%` }}
/>
</div>
</div>
{/* Savings */}
<div className="grid grid-cols-2 gap-4 text-sm">
<div>
<p className="text-text-muted">{t("tokensSaved")}</p>
<p className="font-mono text-lg text-green-400">
{formatNumberCompact(metrics.tokensSaved)}
</p>
</div>
<div>
<p className="text-text-muted">{t("estCostSaved")}</p>
<p className="font-mono text-lg text-green-400">
${metrics.estimatedCostSaved.toFixed(4)}
</p>
</div>
</div>
{/* By Provider */}
{Object.keys(metrics.byProvider).length > 0 && (
<div className="pt-3 border-t border-border/30">
<p className="text-xs font-medium text-text-muted mb-2">{t("byProvider")}</p>
<div className="space-y-2">
{Object.entries(metrics.byProvider).map(([provider, stats]) => {
const providerCacheRate =
stats.inputTokens > 0 ? (stats.cachedTokens / stats.inputTokens) * 100 : 0;
return (
<div
key={provider}
className="flex items-center justify-between px-3 py-2 rounded bg-surface/30 text-xs"
>
<div className="flex items-center gap-3">
<span className="text-text-main capitalize w-24">{provider}</span>
<span className="text-text-muted">
{stats.requests} {t("requestsShort")}
</span>
</div>
<div className="flex items-center gap-4 font-mono">
<span className="text-text-muted" title={t("inputTokens")}>
{t("inputShort")}: {formatNumberCompact(stats.inputTokens)}
</span>
<span className="text-green-400" title={t("cachedTokensRead")}>
{t("cachedShort")}: {formatNumberCompact(stats.cachedTokens)}
</span>
<span className="text-blue-400" title={t("cacheCreationWrite")}>
{t("writeShort")}: {formatNumberCompact(stats.cacheCreationTokens)}
</span>
<span className="text-green-400 w-12 text-right">
{providerCacheRate.toFixed(0)}%
</span>
</div>
</div>
);
})}
</div>
</div>
)}
</div>
) : (
<p className="text-sm text-text-muted">{t("loading")}</p>
)}
</div>
</Card>
);
}
|