Webapp

webapp/src/lib/api.ts

@@ -0,0 +1,56 @@
+export interface LogEntry {
+  sequence: number
+  timestamp_ms: number
+  text: string
+}
+
+export interface TimelineBucket {
+  start_ms: number
+  count: number
+}
+
+export interface Stats {
+  log_count: number
+  first_sequence: number | null
+  last_sequence: number | null
+  first_timestamp_ms: number | null
+  last_timestamp_ms: number | null
+}
+
+async function getJson<T>(path: string): Promise<T> {
+  const res = await fetch(path)
+  if (!res.ok) {
+    throw new Error(`${path} failed: ${res.status}`)
+  }
+  return res.json() as Promise<T>
+}
+
+export function fetchLogs(params: {
+  sinceSequence?: number
+  startMs?: number
+  endMs?: number
+  limit?: number
+}): Promise<LogEntry[]> {
+  const search = new URLSearchParams()
+  if (params.sinceSequence !== undefined) search.set('since_sequence', String(params.sinceSequence))
+  if (params.startMs !== undefined) search.set('start_ms', String(params.startMs))
+  if (params.endMs !== undefined) search.set('end_ms', String(params.endMs))
+  if (params.limit !== undefined) search.set('limit', String(params.limit))
+  return getJson(`/api/logs?${search.toString()}`)
+}
+
+export function fetchTimeline(params: {
+  startMs?: number
+  endMs?: number
+  bucketMs?: number
+}): Promise<TimelineBucket[]> {
+  const search = new URLSearchParams()
+  if (params.startMs !== undefined) search.set('start_ms', String(params.startMs))
+  if (params.endMs !== undefined) search.set('end_ms', String(params.endMs))
+  if (params.bucketMs !== undefined) search.set('bucket_ms', String(params.bucketMs))
+  return getJson(`/api/timeline?${search.toString()}`)
+}
+
+export function fetchStats(): Promise<Stats> {
+  return getJson('/api/stats')
+}