From 8de33fbd9a30aa58c8151826ae678fe5c168470e Mon Sep 17 00:00:00 2001
From: Book Pauk <bookpauk@gmail.com>
Date: Thu, 24 Nov 2022 17:50:35 +0700
Subject: [PATCH] =?UTF-8?q?=D0=A0=D0=B0=D0=B1=D0=BE=D1=82=D0=B0=20=D0=BD?=
 =?UTF-8?q?=D0=B0=D0=B4=20opds?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 server/core/opds/RootPage.js  |  3 ++
 server/core/opds/TitlePage.js | 89 +++++++++++++++++++++++++++++++++++
 server/core/opds/index.js     |  3 ++
 3 files changed, 95 insertions(+)
 create mode 100644 server/core/opds/TitlePage.js

diff --git a/server/core/opds/RootPage.js b/server/core/opds/RootPage.js
index 481884e..4ee4fb6 100644
--- a/server/core/opds/RootPage.js
+++ b/server/core/opds/RootPage.js
@@ -1,6 +1,7 @@
 const BasePage = require('./BasePage');
 const AuthorPage = require('./AuthorPage');
 const SeriesPage = require('./SeriesPage');
+const TitlePage = require('./TitlePage');
 
 class RootPage extends BasePage {
     constructor(config) {
@@ -11,6 +12,7 @@ class RootPage extends BasePage {
 
         this.authorPage = new AuthorPage(config);
         this.seriesPage = new SeriesPage(config);
+        this.titlePage = new TitlePage(config);
     }
 
     async body(req) {
@@ -27,6 +29,7 @@ class RootPage extends BasePage {
         result.entry = [
             this.authorPage.myEntry(),
             this.seriesPage.myEntry(),
+            this.titlePage.myEntry(),
         ];
 
         return this.makeBody(result, req);
diff --git a/server/core/opds/TitlePage.js b/server/core/opds/TitlePage.js
new file mode 100644
index 0000000..beb92f3
--- /dev/null
+++ b/server/core/opds/TitlePage.js
@@ -0,0 +1,89 @@
+const BasePage = require('./BasePage');
+
+class TitlePage extends BasePage {
+    constructor(config) {
+        super(config);
+
+        this.id = 'title';
+        this.title = 'Книги';
+    }
+
+    async body(req) {
+        const result = {};
+
+        const query = {
+            title: req.query.title || '',
+            genre: req.query.genre || '',
+            del: 0,
+            
+            depth: 0,
+        };
+        query.depth = query.title.length + 1;
+
+        if (query.title == '___others') {
+            query.title = '';
+            query.depth = 1;
+            query.others = true;
+        }
+
+        const entry = [];
+        if (query.title && query.title[0] == '=') {
+            //книги по названию
+            const res = await this.webWorker.search('title', query);
+
+            if (res.found.length) {
+                const books = res.found[0].books || [];
+                const filtered = this.filterBooks(books, query);
+
+                for (const book of filtered) {
+                    const title = `${book.serno ? `${book.serno}. `: ''}${book.title || 'Без названия'} (${book.ext})`;
+
+                    const e = {
+                        id: book._uid,
+                        title,
+                        link: this.acqLink({href: `/book?uid=${encodeURIComponent(book._uid)}`}),
+                    };
+
+                    if (query.all) {
+                        e.content = {
+                            '*ATTRS': {type: 'text'},
+                            '*TEXT': this.bookAuthor(book.author),
+                        }
+                    }
+
+                    entry.push(
+                        this.makeEntry(e)
+                    );
+                }
+            }
+        } else {
+            if (query.depth == 1 && !query.genre && !query.others) {
+                entry.push(
+                    this.makeEntry({
+                        id: 'select_genre',
+                        title: '[Выбрать жанр]',
+                        link: this.navLink({href: `/genre?from=${this.id}`}),
+                    })
+                );
+            }
+
+            //навигация по каталогу
+            const queryRes = await this.opdsQuery('title', query, '[Остальные названия]');
+
+            for (const rec of queryRes) {                
+                entry.push(
+                    this.makeEntry({
+                        id: rec.id,
+                        title: rec.title,
+                        link: this.navLink({href: `/${this.id}?title=${rec.q}&genre=${encodeURIComponent(query.genre)}`}),
+                    })
+                );
+            }
+        }
+
+        result.entry = entry;
+        return this.makeBody(result, req);
+    }
+}
+
+module.exports = TitlePage;
\ No newline at end of file
diff --git a/server/core/opds/index.js b/server/core/opds/index.js
index 60501b2..f9f28f4 100644
--- a/server/core/opds/index.js
+++ b/server/core/opds/index.js
@@ -1,6 +1,7 @@
 const RootPage = require('./RootPage');
 const AuthorPage = require('./AuthorPage');
 const SeriesPage = require('./SeriesPage');
+const TitlePage = require('./TitlePage');
 const GenrePage = require('./GenrePage');
 const BookPage = require('./BookPage');
 
@@ -11,6 +12,7 @@ module.exports = function(app, config) {
     const root = new RootPage(config);
     const author = new AuthorPage(config);
     const series = new SeriesPage(config);
+    const title = new TitlePage(config);
     const genre = new GenrePage(config);
     const book = new BookPage(config);
 
@@ -19,6 +21,7 @@ module.exports = function(app, config) {
         ['/root', root],
         ['/author', author],
         ['/series', series],
+        ['/title', title],
         ['/genre', genre],
         ['/book', book],
     ];