From 58ba8436b5db1a361f4a92e785276851a3e05b0e Mon Sep 17 00:00:00 2001
From: Aleksandr Shelkovin <shelkovin.sashka@gmail.com>
Date: Fri, 31 Jan 2025 10:28:11 +0300
Subject: [PATCH] mm

---
 AXIOS/page.php | 248 ++++++++++++++++++-------------------------------
 1 file changed, 89 insertions(+), 159 deletions(-)

diff --git a/AXIOS/page.php b/AXIOS/page.php
index 9f0adb3..1c44c95 100644
--- a/AXIOS/page.php
+++ b/AXIOS/page.php
@@ -22,200 +22,130 @@ $arrMusic = [
     '6 месяцев',
 ];
 
-class Page
-{
-    public string $html;
-    public string $feed;
-    public string $paginator;
-    public string $button;
+class Page {
+    public string $html = "";
+    public string $feed = "";
+    public string $paginator = "";
     // ... другие свойства
 
-    public function __construct() {}
+    public function __construct() {} // Пустой конструктор
 
-    public function __toString(): string
-    {
-        return "Модель: {$this->feed}, Цвет: {$this->paginator}, Двигатель: {$this->button}";
-    }
-}
-interface PageBuilder
-{
-    public function setFeed(): PageBuilder;
-    public function setPaginator(): PageBuilder;
-    // public function setBuild(string $engine): PageBuilder;
-    // ... другие методы для установки свойств
-    public function build(): Page;
-}
-// ConcreteBuilder
-class MusicPageBuilder implements PageBuilder
-{
-    private Car $car;
-
-    public function __construct()
-    {
-        $this->car = new Car();
-    }
-
-    public function setModel(string $model): CarBuilder
-    {
-        $this->car->model = $model;
-        return $this;
-    }
-
-    public function setColor(string $color): CarBuilder
-    {
-        $this->car->color = $color;
-        return $this;
-    }
-
-    public function setEngine(string $engine): CarBuilder
-    {
-        $this->car->engine = $engine;
-        return $this;
-    }
-
-    // ... другие методы для установки свойств
-
-    public function build(): Car
-    {
-        return $this->car;
-    }
-}
-
-// Director (необязательный)
-class CarDirector
-{
-    public function constructCar(CarBuilder $builder): Car
-    {
-        return $builder->setModel('BMW X5')->setColor('Черный')->setEngine('V8')->build();
+    public function __toString(): string {
+        return $this->html;
     }
 }
 
 
-// Клиентский код
-$builder = new ConcreteCarBuilder();
-$car = $builder->setModel('Audi A6')->setColor('Синий')->setEngine('V6')->build();
-echo $car . PHP_EOL;
+interface PageBuilder {
+    public function setFeed();
+    public function setPaginator();
+//    ... другие методы для установки свойств
+    public function build();
+}
 
-$director = new CarDirector();
-$car2 = $director->constructCar($builder);
-echo $car2;
+//implements PageBuilder {
+class MusicPageBuilder  implements PageBuilder {
 
+    private Page $page;
 
-exit();
-
-define('LIMIT', 5);
-define('OFFSET', 0);
-
-
-
-// class Paginator
-// {
     const LIMIT = 5;
     const OFFSET = 0;
     private $data = [];
-    private $limit = null;
-    private $offset = null;
-    private $feed = "";
-    private $paginator = "";
-    public function __construct($data)
-    {
+    private $limit = Null;
+    private $offset = Null;
+    private $flag = 'ajax';
+
+
+    public function __construct($data, $flag = 'ajax' ) {
+
+        $this->page = new Page();
+        $this->flag = $flag; 
         $this->data = $data;
-        $this->limit = isset($_GET['limit']) ? $_GET['limit'] : self::LIMIT;
-        $this->offset = isset($_GET['offset']) ? $_GET['offset'] : self::OFFSET;
+        $this->limit = isset($_GET['limit'])? $_GET['limit'] : self::LIMIT;
+        $this->offset = isset($_GET['offset']) ? $_GET['offset']: self::OFFSET;
     }
 
-    public function setFeed()
-    {
+    public function setFeed(){
         $portial = array_slice($this->data, $this->offset, $this->limit);
-        $this->feed = '<ul id="feed">';
-        foreach ($portial as $value) {
-            $this->feed .= "<li>$value</li>";
+        $this->page->feed ='<ul id="feed">';
+        foreach ( $portial as $val ) {
+            $this->page->feed .= "<li> $val</li>";
         }
-        $this->feed .= '';
+        $this->page->feed .= '</ul>';
         return $this;
     }
 
-    public function setPaginator()
-    {
+    public function setPaginator(){
         $len = sizeof($this->data);
-        $countPage = intdiv($len, $this->limit);
-        $this->paginator = '';
-        for ($i = 0; $i < $countPage; $i++) {
-            $this->paginator .= '<a href= "./portial.php?offset=' . self::LIMIT * $i . '&limit=' . self::LIMIT . '">' . $i . '</a>&nbsp;';
+        $contPage = intdiv($len, $this->limit);
+        for ($i = 0; $i < $contPage; $i++ ) {
+            $this->page->paginator .= '<a href="portial.php?offset='.self::LIMIT*$i.
+            '&limit='. self::LIMIT .'">'. $i. '</a>&nbsp; ';
         }
         return $this;
     }
 
-    public function build()
-    {
-        echo <<<abyr
-        <!DOCTYPE html>
+    public function build(){
+        $feed = $this->page->feed;
+        $paginator = $this->page->paginator;
+        $pg =  ($this->flag == 'ajax')?$feed: $paginator;
+        $this->page->html =  <<< EOF
+         <!DOCTYPE html>
         <html lang="en">
         <head>
             <meta charset="UTF-8">
             <meta name="viewport" content="width=device-width, initial-scale=1.0">
-            <title>Pangination</title>
+            <title>Document</title>
         </head>
-        <body>
-           $this->feed 
-        <div id="paginator">
-           $this->paginator
-           </div>
-           <button type="button" click="getPage">Пам-пам</button>
-        
+        <body> 
+             $pg 
+          
+            <button id="paginator" data-id=1 type="button" ">Далее...</button>
         </body>
-         
+
         </html>
+
         <script>
-         console.log('start script')
-        let parent = document.getElementById('paginator')
-        parent.addEventListener('click', getPage)
-        async function getFetch(url) {
-           const response = await fetch(url, { method:'get'} )
-         //   return await response.json(); 
-           return await response.text(); 
-           
-        }
-        
-        // parent = document.getElementById('paginator')
-        // console.log(parent)
-        parent.addEventListener('click' , getPage )
-         
-        async function getPage(event) {
-          event.stopPropagation()
-          event.preventDefault()
-        //   let num_page = event.target.getAttribute('data-id')
-        let limit = 5
-        let url = "page.php?offset" + num_page + "&limit=" + limit
-        console.log(url)
-          let data = await getFetch(url)
-          feed = document.getElementById('feed')
-          feed.innerHTML = feed.innerHTML + data
-          console.log(data) 
-        }
-        
-        
-        </script> 
-        abyr;
+
+           async function getFetch(url) {
+              const response = await fetch(url, { method:'get'} )
+              return await response.text(); 
+
+           }
+           async function getPage(event) {
+             event.stopPropagation()
+             event.preventDefault()
+            
+            let num_page = event.target.getAttribute('data-id')
+            console.log(num_page)
+            let limit = 5
+            url = 'portial.php?offset=' + limit*num_page +'&limit=' + limit
+            console.log(url)
+            let data = await getFetch(url)
+            if (!data) event.target.remove()
+            feed = document.getElementById('feed')
+            feed.innerHTML = feed.innerHTML + data
+            event.target.setAttribute('data-id', parseInt(num_page) + 1)  
+            
+          }
+       
+           const parent = document.getElementById('paginator')
+           parent.addEventListener('click' , getPage )
+       
+        </script>
+
+        EOF;
+        return $this->page;
     }
 
+}
 
+// Клиентский код
+$builder = new MusicPageBuilder($arrMusic);
+$page = $builder->setFeed()->setPaginator()->build();
+echo $page . PHP_EOL;
 
-// define('LIMIT', 5);
-// define('OFFSET', 0);
-
-
-
-// $len = sizeof($arrMusic);
-
-// $portial = array_slice($arrMusic, $offset, $limit);
-// print($len); 
-
-
-
-
-// var_dump($countPage); 
-$p = new Paginator($arrMusic);
-$p->renderFeed();
-$p->renderPaginator();
-$p->rederPage();
+// $p = new Paginator($arrMusic);
+// $p->renderFeed();
+// $p->renderPaginator();
+// $p->renderPage();