Рефакторинг, небольшие улучшения

server/core/DbSearcher.js

@@ -625,14 +625,14 @@ class DbSearcher {
             const rows = await this.restoreBooks('author', [authorId]);
 
             let authorName = '';
-            let books = '';
+            let books = [];
 
             if (rows.length) {
                 authorName = rows[0].name;
                 books = rows[0].books;
             }
 
-            return {author: authorName, books: (books && books.length ? JSON.stringify(books) : '')};
+            return {author: authorName, books};
         } finally {
             this.searchFlag--;
         }
@@ -659,7 +659,7 @@ class DbSearcher {
                 where: `return Array.from(@dirtyIndexLR('value', ${db.esc(series)}, ${db.esc(series)}))`
             });
 
-            let books;
+            let books = [];
             if (rows.length && rows[0].rawResult.length) {
                 //выборка книг серии
                 const bookRows = await this.restoreBooks('series', [rows[0].rawResult[0]])
@@ -668,7 +668,7 @@ class DbSearcher {
                     books = bookRows[0].books;
             }
 
-            return {books: (books && books.length ? JSON.stringify(books) : '')};
+            return {books};
         } finally {
             this.searchFlag--;
         }

server/core/opds/AuthorPage.js

@@ -79,7 +79,7 @@ class AuthorPage extends BasePage {
             const bookList = await this.webWorker.getSeriesBookList(query.series);
 
             if (bookList.books) {
-                let books = JSON.parse(bookList.books);
+                let books = bookList.books;
                 const booksAll = this.filterBooks(books, {del: 0});
                 const filtered = (query.all ? booksAll : this.filterBooks(books, query));
                 const sorted = this.sortSeriesBooks(filtered);
@@ -122,7 +122,7 @@ class AuthorPage extends BasePage {
             const bookList = await this.webWorker.getAuthorBookList(0, query.author.substring(1));
 
             if (bookList.books) {
-                let books = JSON.parse(bookList.books);
+                let books = bookList.books;
                 books = this.sortBooks(this.filterBooks(books, query));
 
                 for (const b of books) {

server/core/opds/SeriesPage.js

@@ -44,7 +44,7 @@ class SeriesPage extends BasePage {
             const bookList = await this.webWorker.getSeriesBookList(query.series.substring(1));
 
             if (bookList.books) {
-                let books = JSON.parse(bookList.books);
+                let books = bookList.books;
                 const booksAll = this.filterBooks(books, {del: 0});
                 const filtered = (query.all ? booksAll : this.filterBooks(books, query));
                 const sorted = this.sortSeriesBooks(filtered);