Добавлено кеширование запросов getBookList

server/core/DbSearcher.js

@@ -271,6 +271,22 @@ class DbSearcher {
         try {
             const db = this.db;
 
+            let result;
+
+            const key = `author_books-${authorId}`;
+
+            const rows = await db.select({table: 'query_cache', where: `@@id(${db.esc(key)})`});
+
+            if (rows.length) {//нашли в кеше
+                await db.insert({
+                    table: 'query_time',
+                    replace: true,
+                    rows: [{id: key, time: Date.now()}],
+                });
+
+                result = rows[0].value;
+            } else {//не нашли в кеше
+
                 //выборка автора по authorId
                 const rows = await db.select({
                     table: 'author',
@@ -279,20 +295,35 @@ class DbSearcher {
                 });
 
                 let author = '';
-            let result = [];
+                let books = [];
 
                 if (rows.length) {
                     author = rows[0].author;
 
                     //выборка книг по bookId
-                result = await db.select({
+                    books = await db.select({
                         table: 'book',
                         //map: `(r) => ({})`,
                         where: `@@id(${db.esc(rows[0].bookId)})`,
                     });
                 }
 
-            return {author, books: result};
+                result = {author, books};
+
+                //кладем в кеш
+                await db.insert({
+                    table: 'query_cache',
+                    replace: true,
+                    rows: [{id: key, value: result}],
+                });
+                await db.insert({
+                    table: 'query_time',
+                    replace: true,
+                    rows: [{id: key, time: Date.now()}],
+                });
+            }
+
+            return result;
         } finally {
             this.searchFlag--;
         }

server/core/WebWorker.js

@@ -119,7 +119,7 @@ class WebWorker {
 
             if (!await fs.pathExists(dbPath)) {
                 await this.createDb(dbPath);
-                await utils.freeMemory();
+                utils.freeMemory();
             }
 
             //загружаем БД