94 lines
2.6 KiB
TypeScript
94 lines
2.6 KiB
TypeScript
import { workerConfig } from '@/uptime.config'
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import { MonitorState } from '@/types/config'
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import { NextRequest } from 'next/server'
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export const runtime = 'edge'
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type BadgePayload = {
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schemaVersion: 1
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label: string
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message: string
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color: string
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isError?: boolean
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}
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const jsonHeaders = {
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'Content-Type': 'application/json',
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'Cache-Control': 'no-store, max-age=0, must-revalidate',
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}
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function errorBadge(label: string, message: string): BadgePayload {
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return {
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schemaVersion: 1,
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label,
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message,
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color: 'lightgrey',
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isError: true,
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}
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}
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export default async function handler(req: NextRequest): Promise<Response> {
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try {
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const url = new URL(req.url)
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const defaultMonitorId = workerConfig.monitors[0]?.id
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const monitorId = url.searchParams.get('id') ?? defaultMonitorId
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const label = url.searchParams.get('label') ?? monitorId ?? 'UptimeFlare'
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const upMsg = url.searchParams.get('up') ?? 'UP'
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const downMsg = url.searchParams.get('down') ?? 'DOWN'
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const colorUp = url.searchParams.get('colorUp') ?? 'brightgreen'
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const colorDown = url.searchParams.get('colorDown') ?? 'red'
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if (!monitorId) {
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return new Response(JSON.stringify(errorBadge(label, 'no-monitor')), {
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headers: jsonHeaders,
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status: 400,
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})
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}
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const { UPTIMEFLARE_STATE } = process.env as unknown as {
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UPTIMEFLARE_STATE: KVNamespace
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}
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const stateStr = await UPTIMEFLARE_STATE?.get('state')
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if (!stateStr) {
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return new Response(JSON.stringify(errorBadge(label, 'unavailable')), {
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headers: jsonHeaders,
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status: 503,
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})
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}
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const state = JSON.parse(stateStr) as MonitorState
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const monitorIncidentHistory = state.incident?.[monitorId]
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const hasLatencyData = Boolean(state.latency?.[monitorId]?.length)
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if (!monitorIncidentHistory || monitorIncidentHistory.length === 0 || !hasLatencyData) {
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return new Response(JSON.stringify(errorBadge(label, 'unknown')), {
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headers: jsonHeaders,
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status: 404,
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})
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}
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const latestIncident = monitorIncidentHistory.slice(-1)[0]
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const isUp = latestIncident.end !== undefined
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const badge: BadgePayload = {
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schemaVersion: 1,
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label,
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message: isUp ? upMsg : downMsg,
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color: isUp ? colorUp : colorDown,
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}
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return new Response(JSON.stringify(badge), {
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headers: jsonHeaders,
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})
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} catch (err) {
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console.error('Error rendering badge API:', err)
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return new Response(JSON.stringify(errorBadge('status', 'error')), {
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headers: jsonHeaders,
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status: 500,
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})
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}
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}
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