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<?php

class CPAC_Storage_Model_Post extends CPAC_Storage_Model {

public $post_type;

private $post_type_object;

/**
	 * Constructor
	 *
	 * @since 2.0
	 */
	function __construct( $post_type ) {

$this->set_post_type( $post_type );

$this->key 		 		= $this->post_type;
		$this->label 			= $this->post_type_object->labels->name;
		$this->singular_label 	= $this->post_type_object->labels->singular_name;
		$this->type 	 		= 'post';
		$this->meta_type 		= 'post';
		$this->page 	 		= 'edit';
		$this->menu_type 	 	= 'post';

// Headings

// Since 3.1
		add_filter( "manage_{$post_type}_posts_columns", array( $this, 'add_headings' ), 100 );

// Deprecated ( as of 3.1 ) Note: This one is still used by woocommerce.
		// Priority set to 100 top make sure the WooCommerce headings are overwritten by CAC
		// Filter is located in get_column_headers().
		// @todo_minor check compatibility issues for this deprecated filter
		add_filter( "manage_{$this->page}-{$post_type}_columns",  array( $this, 'add_headings' ), 100 );

// values
		add_action( "manage_{$this->post_type}_posts_custom_column", array( $this, 'manage_value_callback' ), 100, 2 );

// @todo: description
		add_action( 'load-edit.php', array( $this, 'set_columns_on_current_screen' ), 1000 );

parent::__construct();
	}

/**
	 * Set posttype
	 *
	 * @since 2.3.5
	 */
	public function get_post_type() {

return $this->post_type;
	}

/**
	 * Get post ID's
	 *
	 * @since 2.4.7
	 *
	 * @param array $args
	 * @return array Posts
	 */
	public function get_posts( $args = array() ) {
        $defaults = array(
			'numberposts'	=> -1,
			'post_status'	=> array( 'any', 'trash' ),
			'post_type'		=> $this->post_type,
			'fields'		=> 'ids',
			'no_found_rows' => 1, // lowers our carbon footprint
		);

$post_ids = (array) get_posts( array_merge( $defaults, $args ) );

return $post_ids;
	}

/**
	 * Set posttype
	 *
	 * @since 2.3.5
	 */
	private function set_post_type( $post_type ) {

$this->post_type 		= $post_type;
		$this->post_type_object = get_post_type_object( $post_type );
	}

/**
	 * @since 2.2.1
	 */
	public function get_original_column_value( $column, $id ) {

global $post;

// Setup post data for current post
		$post_old = $post;
		$post = get_post( $id );
		setup_postdata( $post );

// Remove Admin Columns action for this column's value
		remove_action( "manage_{$this->post_type}_posts_custom_column", array( $this, 'manage_value_callback' ), 100, 2 );

ob_start();

// Run WordPress native actions to display column content
		if ( is_post_type_hierarchical( $this->post_type ) ) {
			do_action( 'manage_pages_custom_column', $column, $id );
		}
		else {
			do_action( 'manage_posts_custom_column', $column, $id );
		}

do_action( "manage_{$this->post_type}_posts_custom_column", $column, $id );

$contents = ob_get_clean();

// Add removed Admin Columns action for this column's value
		add_action( "manage_{$this->post_type}_posts_custom_column", array( $this, 'manage_value_callback' ), 100, 2 );

// Restore original post object
		$post = $post_old;

if ( $post ) {
			setup_postdata( $post );
		}

return $contents;
	}

/**
	 * Get original columns
	 *
	 * @since 2.4.4
	 */
	public function get_default_column_names() {

$defaults = array( 'date' );

if ( post_type_supports( $this->post_type, 'title' ) ) {
			$defaults[] = 'title';
		}
		if ( post_type_supports( $this->post_type, 'comments' ) ) {
			$defaults[] = 'comments';
		}

if ( in_array( $this->post_type, array( 'post', 'page' ) ) ) {
			$defaults[] = 'cb';
			$defaults[] = 'author';
			$defaults[] = 'categories';
			$defaults[] = 'comments';
			$defaults[] = 'parent';
			$defaults[] = 'tags';
		}

return $defaults;
	}

/**
	 * Get screen link
	 *
	 * @since 2.0
	 *
	 * @return string Link
	 */
	protected function get_screen_link() {

return add_query_arg( array( 'post_type' => $this->key ), admin_url( $this->page . '.php' ) );
	}

/**
	 * @since 2.2
	 *
	 * @return bool
	 */
	public function is_columns_screen() {

$is_columns_screen = parent::is_columns_screen();

if ( ! $is_columns_screen ) {
			if ( ! empty( $_REQUEST['_inline_edit'] ) && wp_verify_nonce( $_REQUEST['_inline_edit'], 'inlineeditnonce' ) ) {
				$is_columns_screen = true;
			}
		}

return $is_columns_screen;
	}

/**
	 * Get WP default supported admin columns per post type.
	 *
	 * @see CPAC_Type::get_default_columns()
	 * @since 1.0
	 *
	 * @return array
	 */
	public function get_default_columns() {

if ( ! function_exists('_get_list_table') ) {
			return array();
		}

// You can use this filter to add thirdparty columns by hooking into this.
		// See classes/third_party.php for an example.
		do_action( "cac/columns/default/posts" );
		do_action( "cac/columns/default/storage_key={$this->key}" );
		do_action( "cac/columns/default/post_type={$this->post_type}" );

// Initialize table so it can add actions to manage_{screenid}_columns
		_get_list_table( 'WP_Posts_List_Table', array( 'screen' => 'edit-' . $this->key ) );

// get_column_headers() runs through both the manage_{screenid}_columns
		// and manage_{$post_type}_posts_columns filters
		$columns = (array) apply_filters( 'manage_edit-' . $this->key . '_columns', array() );
		$columns = array_filter( $columns );

return $columns;
	}

/**
     * Get Meta
     *
	 * @since 2.0
	 *
	 * @return array
     */
    public function get_meta() {
        global $wpdb;
        return $wpdb->get_results( $wpdb->prepare( "SELECT DISTINCT meta_key FROM {$wpdb->postmeta} pm JOIN {$wpdb->posts} p ON pm.post_id = p.ID WHERE p.post_type = %s ORDER BY 1", $this->key ), ARRAY_N );
    }

/**
	 * Manage value
	 *
	 * @since 2.0
	 *
	 * @param string $column_name
	 * @param int $post_id
	 */
	public function manage_value( $column_name, $post_id ) {

if ( ! ( $column = $this->get_column_by_name( $column_name ) ) ) {
			return false;
		}

global $post;

// Setup post data for current post
		$post_old = $post;
		$post = get_post( $post_id );
		setup_postdata( $post );

$value = $column->get_value( $post_id );

$value = apply_filters( "cac/column/value", $value, $post_id, $column, $this->key );
		$value = apply_filters( "cac/column/value/{$this->type}", $value, $post_id, $column, $this->key );

// Reset query to old post
		$post = $post_old;

if ( $post ) {
			setup_postdata( $post );
		}

echo $value;
	}

/**
	 * Manage value callback
	 *
	 * @since ?
	 */
	public function manage_value_callback( $column_name, $post_id ) {

$column = $this->get_column_by_name( $column_name );

if ( $column && ! empty( $column->properties->handle ) ) {
			ob_start();
			$this->manage_value( $column_name, $post_id );
			ob_end_clean();
		}
		else {
			$this->manage_value( $column_name, $post_id );
		}
	}

}