WP PLUGIN アーカイブ毎に投稿表示順を設定する

・ベース部分（カテゴリー、投稿）の表示順用カスタムフィールド設定登録の作成
2021-05-03 18:51:02 +09:00
commit 2ed2b25194
15 changed files with 486 additions and 0 deletions
@@ -0,0 +1,43 @@
+<?php
+
+class activate {
+
+	public static function add_sort_posts() {
+
+		$categories = get_categories();
+		foreach ( $categories as $category ) {
+			$posts = self::get_category_posts( $category->term_id );
+			foreach ( $posts as $post ) {
+				self::create_sort_field( $post->ID, $category->term_id );
+			}
+		}
+	}
+
+	//カテゴリーの投稿を取得する
+	public static function get_category_posts( $cat_id ) {
+		$args = array(
+			'post_type'      => 'post',
+			'post_status'    => array( 'publish', 'draft' ),
+			'posts_per_page' => - 1,
+			'category'       => $cat_id,
+		);
+
+		return get_posts( $args );
+	}
+
+	/**
+	 * ソート用のカスタムフィールド作成
+	 *
+	 * @param $post_id
+	 * @param $cat_id
+	 */
+	public static function create_sort_field( $post_id, $cat_id ) {
+		$sort_key = 'nb_post_sort_' . $cat_id;
+		//カスタムフィールドが存在しなければ追加する
+		$sort_filed = get_post_meta( $post_id, $sort_key, true );
+		if ( empty( $sort_filed ) ) {
+			update_post_meta( $post_id, $sort_key, 0 );
+		}
+	}
+
+}
@@ -0,0 +1,125 @@
+<?php
+/**
+ * TODO：設定対象にカスタムタクソノミー、カスタム投稿を含める
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+} // Exit if accessed directly
+
+if ( ! class_exists( 'post_sort_cat_order' ) ) {
+
+	class post_sort_cat_order {
+
+		const TEMPLATE_DIR = __DIR__ . '/../template/';
+
+		public function __construct() {
+			add_action( 'admin_menu', array( $this, 'add_pages' ) );
+//			add_action( 'transition_post_status', array( $this, 'add_cat_post_order' ), 10, 3 );
+		}
+
+		public function add_pages() {
+			add_menu_page(
+				'PSBC',
+				'PSBC',
+				'level_8',
+				'nb_post_sort',
+				array( $this, 'show_option_page' ),
+				'',
+				50
+			);
+			add_submenu_page(
+				'nb_post_sort', // parent_slug
+				'Archive Setting', // page_title
+				'カテゴリー選択', // menu_title
+				'administrator', // capability
+				'nb_post_sort_setting', // menu_slug
+				array( $this, 'display_setting_page' ) // function
+			);
+		}
+
+		public function display_setting_page() {
+			if ( isset( $_POST['post_cat_order'] ) ) {
+				check_admin_referer( 'sh_options' );
+				$opt = $_POST['post_cat_order'];
+				//ソート対象カテゴリーの登録
+				update_option( 'post_cat_order', $opt );
+				require_once self::TEMPLATE_DIR . 'success.php';
+			}
+			require_once self::TEMPLATE_DIR . 'setting.php';
+		}
+
+
+		public function show_option_page() {
+
+			if ( isset( $_POST['nb_post_cat'] ) ) {
+				check_admin_referer( 'sh_options' );
+				//投稿表示順の設定
+				$this->update_post_sort();
+				require_once self::TEMPLATE_DIR . 'success.php';
+			}
+
+			require_once self::TEMPLATE_DIR . 'sort.php';
+		}
+
+		//投稿表示順の設定
+		private function update_post_sort() {
+			$posts_sort = $_POST['nb_post_cat']['post_sort'];
+			foreach ( $posts_sort as $cat_id => $posts ) {
+				$sort_key = 'nb_post_sort_' . $cat_id;
+				foreach ( $posts as $post_id => $sort ) {
+					update_post_meta( $post_id, $sort_key, $sort );
+				}
+			}
+		}
+
+
+		/**
+		 * 対象カテゴリー
+		 *
+		 * @param $opt
+		 *
+		 * @return array
+		 */
+		public static function get_category_list( $opt ): array {
+			if ( isset( $opt['target_cat'] ) ) {
+				$include_cat = implode( ',', $opt['target_cat'] );
+				if ( ! empty( $include_cat ) ) {
+					$category_args = array(
+						'hide_empty' => 0,
+						'include'    => $include_cat,
+					);
+
+					return get_categories( $category_args );
+				}
+			}
+
+			return array();
+		}
+
+
+//		public function add_cat_post_order( $new_status, $old_status, $post ) {
+//			//リビジョンはパスする
+//			if ( wp_is_post_revision( $post->ID ) ) {
+//				return;
+//			}
+//
+//		}
+
+		public static function get_sort_post_list( $cat_id ) {
+			$product_args = [
+				'post_type'      => 'post',
+				'post_status'    => array( 'publish', 'draft' ),
+				'posts_per_page' => - 1,
+				'category'       => $cat_id,
+				'orderby'        => 'meta_value_num',
+				'order'          => 'ASC',
+				'meta_key'       => 'nb_post_sort_' . $cat_id,
+			];
+
+			return get_posts( $product_args );
+		}
+
+	}
+}
+