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simple-release-notes.php
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simple-release-notes.php
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<?php
/*
Plugin Name: Simple Release Notes
Plugin URI: http://bonsaibudget.com/wordpress/simple-release-notes/
Description: A simple release notes custom post type. Creates release notes with categories.
Version: 1.0
Author: Katherine Semel
Author URI: http://bonsaibudget.com/
*/
if ( ! class_exists( 'Simple_Release_Notes' ) ) {
class Simple_Release_Notes {
function Simple_Release_Notes() {
// Register our custom post type
add_action( 'init', array( $this, 'register_custom_post_type' ) );
// Add the custom taxonomies
add_action( 'init', array( $this, 'register_custom_taxonomy' ), 1 );
// Set up the new permalink for this structure
add_action( 'init', array( $this, 'register_permalinks' ), 1 );
// Handle our custom permalinks
add_filter( 'post_type_link', array( $this, 'process_custom_permalink' ), 10, 3 );
// Filter our custom type off the home page
add_action( 'pre_get_posts', array( $this, 'customize_query_for_custom_type' ) );
// On the posts page, add a Category column
add_filter( 'manage_posts_columns', array( $this, 'add_taxonomy_column' ), 10, 1 );
add_action( 'manage_posts_custom_column', array( $this, 'manage_taxonomy_column' ), 10, 2 );
}
function register_custom_post_type() {
$labels = array(
'name' => __( 'Release Notes' ),
'singular_name' => __( 'Release Note' ),
'all_items' => __( 'All Release Notes' ),
'add_new_item' => __( 'Add New Release Notes' ),
'menu_name' => __( 'Release Notes' )
);
$supports = array(
'title',
'editor',
'author'
);
$args = array(
'labels' => $labels,
'description' => 'Release notes',
'public' => true,
'menu_position' => 5,
'supports' => $supports,
'rewrite' => array(
'slug' => "release-notes/%release_notes_category%",
'feeds' => true,
'with_front' => true,
),
'taxonomies' => array(
'release-notes-category'
),
'has_archive' => true,
'hierarchical' => false,
);
register_post_type( 'release-notes', $args );
}
function register_custom_taxonomy() {
$taxonomy_name = 'release-notes-category';
$taxonomy_labels = array(
'name' => __( 'Release Note Categories' ),
'singular_name' => __( 'Release Note Category' ),
'all_items' => __( 'All Release Note Categories' ),
'edit_item' => __( 'Edit Release Note Category' ),
'update_item' => __( 'Update Release Note Category' ),
'add_new_item' => __( 'Add New Release Note Category' ),
'new_item_name' => __( 'New Release Note Category' ),
'menu_name' => __( 'Categories' )
);
register_taxonomy(
$taxonomy_name,
array( 'release-notes' ),
array(
'hierarchical' => false,
'labels' => $taxonomy_labels,
'public' => true,
'show_ui' => true,
'show_in_nav_menus' => true,
'query_var' => true,
'rewrite' => array(
'slug' => "release-notes",
'feeds' => true,
'with_front' => false,
),
'has_archive' => false
)
);
}
function register_permalinks() {
global $wp_rewrite;
$wp_rewrite->add_rewrite_tag( "%release_notes_category%", '([^/]+)', "release-notes-category=" );
$wp_rewrite->add_rewrite_tag( "%release_notes%", '([^/]+)', "release-notes=" );
// Release Notes
$release_notes_structure = '/release-notes/%release_notes_category%/%release_notes%';
$wp_rewrite->add_permastruct( 'release-notes', $release_notes_structure, false );
}
function process_custom_permalink( $permalink, $post, $leavename ) {
$rewritecode = array(
'%release_notes_category%'
);
if ( '' != $permalink && ! in_array( $post->post_status, array( 'draft', 'pending', 'auto-draft' ) ) ) {
$release_notes_category = '';
$cat_parent = '';
if ( strpos( $permalink, '%release_notes_category%' ) !== false ) {
$terms = wp_get_object_terms( $post->ID, 'release-notes-category' );
if ( !is_wp_error( $terms ) && !empty( $terms ) ) {
foreach ( $terms as $term ) {
if ( $term->parent == 0 ) {
$release_notes_category = $term->slug;
$cat_parent = $term->term_id;
break;
}
}
}
}
$rewritereplace = array(
$release_notes_category
);
$permalink = str_replace( $rewritecode, $rewritereplace, $permalink );
}
return $permalink;
}
function customize_query_for_custom_type( $query ) {
if ( is_admin() ){
return;
}
if ( $query->is_home() && $query->is_main_query() ) {
// Exclude our custom type from the home page
$args = array(
'posts_per_page' => -1,
'post_type' => 'release-notes'
);
$posts_in_custom_type = get_posts( $args );
$post_ids_in_custom_type = implode( ',', wp_list_pluck( $posts_in_custom_type, 'ID' ) ) ;
//die( '<pre>' . print_r( $post_ids_in_custom_type, true) . '</pre>' );
$query->set('post__not_in', array( $post_ids_in_custom_type ) );
}
if ( $query->is_tax( 'release-notes-category' ) && $query->is_main_query() ) {
// Show unlimited posts on our taxonomy archive page
$query->set( 'posts_per_page', -1 );
}
}
function add_taxonomy_column( $columns ) {
$columns['release-notes-category'] = _x( 'Category', 'column name' );
return $columns;
}
function manage_taxonomy_column( $column_name, $post_id ) {
if ( $column_name != 'release-notes-category' ) {
return;
}
$post = get_post( $post_id );
$categories = get_the_terms( $post_id, 'release-notes-category' );
if ( !empty( $categories ) ) {
$out = array();
foreach ( $categories as $category ) {
$out[] = sprintf( '<a href="%s">%s</a>',
esc_url( add_query_arg( array( 'post_type' => $post->post_type, 'release-notes-category' => $category->slug ), 'edit.php' ) ),
esc_html( sanitize_term_field( 'name', $category->name, $category->term_id, 'release-notes-category', 'display' ) )
);
}
echo join( ', ', $out );
} else {
_e( 'No Category' );
}
}
}
$Simple_Release_Notes = new Simple_Release_Notes();
}