검증게시판 기능 추가

frontend/src/utils/verificationIssueEvents.ts

@@ -0,0 +1,63 @@
+import type { VerificationIssueStage } from './verificationBoardStages';
+
+export const VERIFICATION_ISSUE_EVENT_TOPIC = '/sub/verification-issues/events';
+
+export type VerificationIssueEventType = 'CREATED' | 'STAGE_CHANGED';
+
+export interface VerificationIssueEventDto {
+  eventType: VerificationIssueEventType;
+  issueId: number;
+  title: string;
+  stage: VerificationIssueStage;
+  previousStage?: VerificationIssueStage | null;
+  updatedAt?: string;
+  sourceDeviceId?: string | null;
+}
+
+export interface VerificationIssueToastItem {
+  id: string;
+  issueId: number;
+  title: string;
+  stage: VerificationIssueStage;
+  previousStage?: VerificationIssueStage | null;
+  eventType: VerificationIssueEventType;
+}
+
+export function getVerificationDeviceId(): string {
+  let id = localStorage.getItem('gc_device_id');
+  if (!id) {
+    id = crypto.randomUUID();
+    localStorage.setItem('gc_device_id', id);
+  }
+  return id;
+}
+
+export function parseVerificationIssueEvent(raw: string): VerificationIssueEventDto | null {
+  try {
+    const data = JSON.parse(raw) as VerificationIssueEventDto;
+    if (data.issueId == null || !data.eventType || !data.title) return null;
+    if (data.eventType !== 'CREATED' && data.eventType !== 'STAGE_CHANGED') return null;
+    return data;
+  } catch {
+    return null;
+  }
+}
+
+export function shouldShowVerificationIssueEvent(event: VerificationIssueEventDto): boolean {
+  const localDevice = getVerificationDeviceId();
+  if (event.sourceDeviceId && event.sourceDeviceId === localDevice) {
+    return false;
+  }
+  return true;
+}
+
+export function eventToToast(event: VerificationIssueEventDto): VerificationIssueToastItem {
+  return {
+    id: `${event.eventType}-${event.issueId}-${event.updatedAt ?? Date.now()}`,
+    issueId: event.issueId,
+    title: event.title,
+    stage: event.stage,
+    previousStage: event.previousStage,
+    eventType: event.eventType,
+  };
+}