フィードを新規で記事に追加する #WordPressプラグイン

paka3_feed_post.php

<?php
 /* 
Plugin Name: Paka3FeedPost
Plugin URI: http://www.paka3.com/wpplugin
Description: フィードを新規で記事に追加する
Author: Shoji ENDO
Version: 0.1
Author URI:http://www.paka3.com/
 */

$paka3FeedPost = new Paka3_feed_post;

class Paka3_feed_post {
	function __construct( ) {
		//メニューの追加
		add_action( 'admin_menu' , array($this , 'adminAddMenu' ) );
	}

	//メニューの「paka3投稿」の設定（今回はサブメニュー）
	function adminAddMenu ( ) {
		add_submenu_page("edit.php", '別の投稿ページだよ', 'paka3投稿',  'edit_themes', 'paka3_post', array($this,'paka3_post_page'));

	}

	//paka3投稿のページ
	function paka3_post_page () {
		if(isset($_POST['newPost']) && check_admin_referer( get_bloginfo('url').'paka3post_new','paka3post' )){
			//feedの設定を保存する
			update_option('paka3_newPost', $_POST['newPost']);

			//new_my_post
			$html = $this->get_my_feed( $_POST['newPost']['feed_url'] , $_POST['newPost']['count'] );
			$newPost = array ('title' => esc_html($_POST['newPost']['title']),
												'content' => $html);
			$res = $this->new_my_post( $newPost, $catID );
			

			if($res){
				//$data = get_post($res);
				echo '<div class="updated fade"><p><strong>新規に投稿されました。';
				echo '<br /><a href ="'.get_edit_post_link( $res ).'">【編集はこちらをクリックして、おこなってください。】</a>';
				echo "</strong></p></div>";
			}
		}
		//保存された値を取得
		$newPost = get_option('paka3_newPost');

		//ページに表示する内容
		$wp_n = wp_nonce_field(get_bloginfo('url').'paka3post_new','paka3post');
		
		//タイトル
		$newPost['title'] = isset($newPost['title']) ? $newPost['title'] : null;
		//FEED URL
		$newPost['feed_url'] = isset($newPost['feed_url']) ? $newPost['feed_url'] : null;
		//Feedの取得数
		$newPost['count'] = isset($newPost['count']) ? $newPost['count'] : 1;
		$countList = array( array(1,1,selected( $newPost['count'], 1, false )),
										array(2,2,selected( $newPost['count'], 2, false )),
										array(3,3,selected( $newPost['count'], 3, false )),
										array(4,4,selected( $newPost['count'], 4, false )),
										array(5,5,selected( $newPost['count'], 5, false ))
						);

		//Feedの表示形式
		$newPost['kind'] = isset($newPost['kind']) ? $newPost['kind'] : 1;
		$kindList = array( array(1,'簡略表示(写真+140文字)',checked( $newPost['kind'], 1, false ))
						);

		echo <<< EOS
			<div class="wrap">
				<h2>paka3 投稿ページ</h2>
				<form method="post" action="">
					{$wp_n}
					<table class="form-table">
						<tr valign="top">
							<th scope="row"><label for="titile">記事タイトル</label></th>
							<td><input name="newPost[title]" type="text" value="{$newPost[title]}" /></td>
						</tr>
						<tr valign="top">
							<th scope="row"><label for="feed_url">Feed URL</label></th>
							<td><input name="newPost[feed_url]" type="text" value="{$newPost[feed_url]}" /></td>
						</tr>
						<tr valign="top">
							<th scope="row"><label for="count">件数</label></th>
							<td>
							<select name="newPost[count]">
EOS;
		foreach ( $countList as $c ){
			echo "<option value='$c[0]' $c[2]>{$c[1]}";
		}
		echo <<< EOS
							</select>
							</td>
						</tr>
						<tr valign="top">
							<th scope="row"><label for="count">表示形式</label></th>
							<td>
EOS;
		foreach ( $kindList as $k ){
			echo "<label><input type='radio' name='newPost[kind]' value='$k[0]' $k[2]>{$k[1]}</label><br />";
		}
		echo <<< EOS
							</td>
						</tr>
					</table>
					<p class="submit"><input type="submit" name="Submit" class="button-primary" value="新しく記事を追加する" /></p>
					</form>
					</div>
EOS;
	}

		function new_my_post($post, $catID ) {
				$my_post = array( );
				$my_post[ 'post_title' ] = $post['title'];
				$my_post[ 'post_content' ] = $post['content'];
				$my_post[ 'post_status' ] = 'draft'; //下書き
				$my_post[ 'post_author' ] = 1;
				$my_post[ 'post_date' ] = date( 'Y-m-d H:i:s', current_time('timestamp') );
				$my_post[ 'post_category' ] = array( $catID );
				// データベースに投稿を追加
				$res = wp_insert_post( $my_post );

				if( $res != 0 ) {
					 return $res; //post_id
				}else{
					 return false;
				}
		}

	function get_my_feed ( $url, $count ) {

		//ここからfeedを取得して行きます。
		add_filter (  'wp_feed_cache_transient_lifetime' , array( $this , 'return_1800' ) );
		$feed = fetch_feed( $url );
		remove_filter( 'wp_feed_cache_transient_lifetime' , array( $this , 'return_1800' ) );

		//＊表示数を設定
		if ( ! is_wp_error( $feed ) ) {
			$maxitems = $feed->get_item_quantity( $count );
			$rss_items = $feed->get_items( 0, $maxitems );
		}
		//サイト名とサイトURLの取得
		$title = $feed->get_title();
		$site_url = $feed->get_permalink();

		//表示数
		$str="";
		if ( $maxitems > 0){
			foreach ( $rss_items as $item ){
				$f_link = esc_url( $item->get_permalink() );
				$f_date = sprintf( __( '%s', 'my-text-domain' ), $item->get_date('j F Y | g:i a') );
				$f_title = esc_html( $item->get_title() );
				$f_content = mb_strimwidth(strip_tags($item->get_content()), 0, 140, "...","UTF-8");

				if(preg_match_all('/<img.*?src=(["\'])(.+?)\1.*?>/i',$item->get_content(),$img_array)){
							$site_img = $img_array[2][0];
				}
				if(!preg_match('/^http(s)?:\/\/[^\/\s]+(.*)$/',$site_img,$r)){
						$site_img = $site_url.$site_img;
				}

					//itemのhtmlの生成
				$str .= <<<EOS
				<div class="feed_item">
					<a href="{$f_link}" rel="nofollow" >
					 <div class=feed_item_img><img src = {$site_img} /></div>
							<h4>{$f_title}</h4>
							<p>{$f_content}</p>
						</a></div>
EOS;
			}
		}
		//全体の
		$html =<<< EOS
			<div class="feed_block">
			<h2><a href="{$site_url}" rel="nofollow" >{$title}</a></h2>
			{$str}
			</div>
EOS;
		return $html ;
	}


	function return_1800(){
		return 1800;
	}

}