refactor: 深化公开作品详情状态策略

src/components/platform-entry/platformPublicWorkDetailFlow.ts

@@ -1,4 +1,5 @@
 import type { CustomWorldGalleryCard } from '../../../packages/shared/src/contracts/runtime';
+import { buildPublicWorkStagePath } from '../../routing/appPageRoutes';
 import {
   isBarkBattleGalleryEntry,
   isBigFishGalleryEntry,
@@ -11,6 +12,10 @@ import {
   isWoodenFishGalleryEntry,
   type PlatformPublicGalleryCard,
 } from '../rpg-entry/rpgEntryWorldPresentation';
+import {
+  canExposePublicWork,
+  EDUTAINMENT_HIDDEN_MESSAGE,
+} from './platformEdutainmentVisibility';
 
 export type PlatformPublicWorkDetailKind =
   | 'bark-battle'
@@ -55,6 +60,34 @@ export type PlatformPublicWorkDetailOpenStrategy =
 
 export type PlatformPublicWorkActionMode = 'edit' | 'remix';
 
+export type PlatformPublicWorkDetailOpenDecision =
+  | {
+      type: 'blocked';
+      selectedDetail: null;
+      errorMessage: string;
+      selectionStage: 'platform';
+      historyPath: null;
+    }
+  | {
+      type: 'open';
+      selectedDetail: PlatformPublicGalleryCard;
+      errorMessage: null;
+      selectionStage: 'work-detail';
+      historyPath: string | null;
+    };
+
+export type PlatformPublicWorkDetailOpenDecisionDeps = {
+  canExposeEntry?: (entry: PlatformPublicGalleryCard) => boolean;
+  hiddenMessage?: string;
+  buildWorkDetailPath?: (publicWorkCode: string) => string;
+};
+
+export type ActivePlatformPublicWorkAuthorEntryInput = {
+  selectionStage: string;
+  selectedPublicWorkDetail: PlatformPublicGalleryCard | null;
+  selectedRpgDetailEntry: CustomWorldGalleryCard | null;
+};
+
 export function isRpgPublicWorkDetailEntry(
   entry: PlatformPublicGalleryCard,
 ): entry is CustomWorldGalleryCard {
@@ -188,3 +221,57 @@ export function resolvePlatformPublicWorkActionMode(
     ? 'edit'
     : 'remix';
 }
+
+export function resolvePlatformPublicWorkDetailOpenDecision(
+  entry: PlatformPublicGalleryCard,
+  deps: PlatformPublicWorkDetailOpenDecisionDeps = {},
+): PlatformPublicWorkDetailOpenDecision {
+  const canExposeEntry = deps.canExposeEntry ?? canExposePublicWork;
+  const hiddenMessage = deps.hiddenMessage ?? EDUTAINMENT_HIDDEN_MESSAGE;
+  const buildWorkDetailPath =
+    deps.buildWorkDetailPath ??
+    ((publicWorkCode: string) =>
+      buildPublicWorkStagePath('work-detail', publicWorkCode));
+
+  if (!canExposeEntry(entry)) {
+    return {
+      type: 'blocked',
+      selectedDetail: null,
+      errorMessage: hiddenMessage,
+      selectionStage: 'platform',
+      historyPath: null,
+    };
+  }
+
+  const publicWorkCode = entry.publicWorkCode?.trim()
+    ? entry.publicWorkCode
+    : null;
+
+  return {
+    type: 'open',
+    selectedDetail: entry,
+    errorMessage: null,
+    selectionStage: 'work-detail',
+    historyPath: publicWorkCode ? buildWorkDetailPath(publicWorkCode) : null,
+  };
+}
+
+export function resolveActivePlatformPublicWorkAuthorEntry({
+  selectionStage,
+  selectedPublicWorkDetail,
+  selectedRpgDetailEntry,
+}: ActivePlatformPublicWorkAuthorEntryInput): PlatformPublicGalleryCard | null {
+  if (selectionStage === 'work-detail') {
+    return selectedPublicWorkDetail;
+  }
+
+  if (
+    selectionStage === 'detail' &&
+    selectedRpgDetailEntry &&
+    selectedRpgDetailEntry.visibility !== 'draft'
+  ) {
+    return selectedRpgDetailEntry;
+  }
+
+  return null;
+}