init

src/entities/dispatcher/model/onDutyStore.ts

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+import { makeAutoObservable, runInAction } from 'mobx';
+import { appEvents } from '@/shared/lib';
+import { fetchOnDutyDispatchers } from '../api/dispatcherApi';
+import { cachedOnDuty } from './onDutyCache';
+import type { OnDutyDispatcher } from './types';
+
+const REFRESH_INTERVAL = 60_000;
+
+class OnDutyStore {
+  dispatchers: OnDutyDispatcher[] = cachedOnDuty();
+  phrase = '';
+
+  private timer: ReturnType<typeof setInterval> | null = null;
+
+  constructor() {
+    makeAutoObservable(this, {}, { autoBind: true });
+  }
+
+  start(): void {
+    if (this.timer) return;
+    void this.refresh();
+    this.timer = setInterval(() => void this.refresh(), REFRESH_INTERVAL);
+    appEvents.on('dispatchers-on-duty-changed', this.applyCache);
+  }
+
+  stop(): void {
+    if (this.timer) clearInterval(this.timer);
+    this.timer = null;
+    appEvents.off('dispatchers-on-duty-changed', this.applyCache);
+  }
+
+  async refresh(): Promise<void> {
+    const { dispatchers, phrase } = await fetchOnDutyDispatchers();
+    runInAction(() => {
+      if (dispatchers.length > 0) this.dispatchers = dispatchers;
+      if (phrase) this.phrase = phrase;
+    });
+  }
+
+  private applyCache(): void {
+    this.dispatchers = cachedOnDuty();
+  }
+}
+
+export const onDutyStore = new OnDutyStore();