新增电子书架

src/lib/book.db.client.ts

@@ -0,0 +1,89 @@
+'use client';
+
+import { BookReadRecord, BookShelfItem } from './book.types';
+import { fetchWithAuth, generateStorageKey } from './db.client';
+
+const BOOK_SHELF_KEY = 'moontv_book_shelf';
+const BOOK_HISTORY_KEY = 'moontv_book_history';
+const MAX_BOOK_HISTORY = 100;
+const MAX_BOOK_HISTORY_THRESHOLD = MAX_BOOK_HISTORY + 10;
+
+function isRemoteStorage() {
+  return ((window as Window & { RUNTIME_CONFIG?: { STORAGE_TYPE?: string } }).RUNTIME_CONFIG?.STORAGE_TYPE || process.env.STORAGE_TYPE || 'localstorage') !== 'localstorage';
+}
+
+function trimRecords(records: Record<string, BookReadRecord>) {
+  const entries = Object.entries(records);
+  if (entries.length <= MAX_BOOK_HISTORY_THRESHOLD) return records;
+  return Object.fromEntries(entries.sort(([, a], [, b]) => b.saveTime - a.saveTime).slice(0, MAX_BOOK_HISTORY));
+}
+
+export async function getAllBookShelf(): Promise<Record<string, BookShelfItem>> {
+  if (typeof window === 'undefined') return {};
+  if (isRemoteStorage()) {
+    return (await (await fetchWithAuth('/api/books/shelf')).json()) as Record<string, BookShelfItem>;
+  }
+  const raw = localStorage.getItem(BOOK_SHELF_KEY);
+  return raw ? (JSON.parse(raw) as Record<string, BookShelfItem>) : {};
+}
+
+export async function saveBookShelf(sourceId: string, bookId: string, item: BookShelfItem): Promise<void> {
+  const key = generateStorageKey(sourceId, bookId);
+  if (isRemoteStorage()) {
+    await fetchWithAuth('/api/books/shelf', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ key, item }),
+    });
+    return;
+  }
+  const data = await getAllBookShelf();
+  data[key] = item;
+  localStorage.setItem(BOOK_SHELF_KEY, JSON.stringify(data));
+}
+
+export async function deleteBookShelf(sourceId: string, bookId: string): Promise<void> {
+  const key = generateStorageKey(sourceId, bookId);
+  if (isRemoteStorage()) {
+    await fetchWithAuth(`/api/books/shelf?key=${encodeURIComponent(key)}`, { method: 'DELETE' });
+    return;
+  }
+  const data = await getAllBookShelf();
+  delete data[key];
+  localStorage.setItem(BOOK_SHELF_KEY, JSON.stringify(data));
+}
+
+export async function getAllBookReadRecords(): Promise<Record<string, BookReadRecord>> {
+  if (typeof window === 'undefined') return {};
+  if (isRemoteStorage()) {
+    return (await (await fetchWithAuth('/api/books/history')).json()) as Record<string, BookReadRecord>;
+  }
+  const raw = localStorage.getItem(BOOK_HISTORY_KEY);
+  return raw ? (JSON.parse(raw) as Record<string, BookReadRecord>) : {};
+}
+
+export async function saveBookReadRecord(sourceId: string, bookId: string, record: BookReadRecord): Promise<void> {
+  const key = generateStorageKey(sourceId, bookId);
+  if (isRemoteStorage()) {
+    await fetchWithAuth('/api/books/history', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ key, record }),
+    });
+    return;
+  }
+  const data = await getAllBookReadRecords();
+  data[key] = record;
+  localStorage.setItem(BOOK_HISTORY_KEY, JSON.stringify(trimRecords(data)));
+}
+
+export async function deleteBookReadRecord(sourceId: string, bookId: string): Promise<void> {
+  const key = generateStorageKey(sourceId, bookId);
+  if (isRemoteStorage()) {
+    await fetchWithAuth(`/api/books/history?key=${encodeURIComponent(key)}`, { method: 'DELETE' });
+    return;
+  }
+  const data = await getAllBookReadRecords();
+  delete data[key];
+  localStorage.setItem(BOOK_HISTORY_KEY, JSON.stringify(data));
+}