feat(omo-codex): batch 79 (8 files)

2026-05-30 19:12:13 +09:00
parent a6193606ad
commit 08e0a989ea
8 changed files with 509 additions and 0 deletions
@@ -0,0 +1,81 @@
+import { existsSync, mkdirSync, readFileSync } from "node:fs"
+import { join } from "node:path"
+
+import { writeFileAtomically } from "./atomic-write.js"
+import { getActivityStateDir } from "./data-path.js"
+
+export type PostHogActivityState = {
+  readonly lastActiveDayUTC?: string
+}
+
+export type PostHogActivityCaptureState = {
+  readonly dayUTC: string
+  readonly captureDaily: boolean
+}
+
+const POSTHOG_ACTIVITY_STATE_FILE = "posthog-activity.json"
+
+function getPostHogActivityStateFilePath(): string {
+  return join(getActivityStateDir(), POSTHOG_ACTIVITY_STATE_FILE)
+}
+
+function getUtcDayString(date: Date): string {
+  return date.toISOString().slice(0, 10)
+}
+
+function isPostHogActivityState(value: unknown): value is PostHogActivityState {
+  return value !== null && typeof value === "object" && !Array.isArray(value)
+}
+
+function readPostHogActivityState(): PostHogActivityState {
+  const stateFilePath = getPostHogActivityStateFilePath()
+
+  if (!existsSync(stateFilePath)) {
+    return {}
+  }
+
+  try {
+    const stateContent = readFileSync(stateFilePath, "utf-8")
+    const stateJson: unknown = JSON.parse(stateContent)
+
+    if (!isPostHogActivityState(stateJson)) {
+      return {}
+    }
+
+    return stateJson
+  } catch {
+    return {}
+  }
+}
+
+function writePostHogActivityState(nextState: PostHogActivityState): void {
+  const stateDir = getActivityStateDir()
+  const stateFilePath = getPostHogActivityStateFilePath()
+
+  try {
+    mkdirSync(stateDir, { recursive: true })
+    writeFileAtomically(stateFilePath, `${JSON.stringify(nextState, null, 2)}\n`)
+  } catch {
+    return
+  }
+}
+
+export function getPostHogActivityCaptureState(
+  now: Date = new Date(),
+): PostHogActivityCaptureState {
+  const state = readPostHogActivityState()
+  const dayUTC = getUtcDayString(now)
+  const captureDaily = state.lastActiveDayUTC !== dayUTC
+
+  if (captureDaily) {
+    writePostHogActivityState({
+      ...state,
+      lastActiveDayUTC: dayUTC,
+    })
+  }
+
+  return {
+    dayUTC,
+    captureDaily,
+  }
+}