malhuda/fictioneer
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Optimize ePUB chapter query

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This commit is contained in:
Tetrakern 2024-10-28 18:25:03 +01:00
parent 0e6728d056
commit 4fe4a45e5a
1 changed files with 60 additions and 23 deletions
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83
includes/functions/_module-epub.php
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@ -342,31 +342,17 @@ if ( ! function_exists( 'fictioneer_add_epub_chapters' ) ) {
}
// Query
$query_args = array(
'post_type' => 'fcn_chapter',
'post_status' => 'publish',
'post__in' => $chapters ?: [0], // Must not be empty!
'orderby' => 'post__in',
'posts_per_page' => -1,
'update_post_term_cache' => false, // Improve performance
'no_found_rows' => true // Improve performance
);
$chapter_query = new WP_Query( $query_args );
$chapter_objects = fictioneer_query_epub_chapters( $chapters );
// Process chapters
foreach ( $chapter_query->posts as $post ) {
// Skip if...
if ( get_post_meta( $post->ID, 'fictioneer_chapter_no_chapter', true ) ) {
continue;
}
if ( get_post_meta( $post->ID, 'fictioneer_chapter_hidden', true ) ) {
continue;
}
foreach ( $chapter_objects as $post ) {
// Setup
$title = fictioneer_get_safe_title( $post->ID, 'epub-chapter' );
$title = fictioneer_sanitize_safe_title(
$post->post_title,
mysql2date( get_option( 'date_format' ), $post->post_date ),
mysql2date( get_option( 'time_format' ), $post->post_date )
);
$content = apply_filters( 'the_content', $post->post_content );
$processed = false;
$index++;
@ -404,7 +390,7 @@ if ( ! function_exists( 'fictioneer_add_epub_chapters' ) ) {
$head->appendChild( $doc->createElement( 'title', $title ) );
// Add title to frame if not hidden
if ( ! get_post_meta( $post->ID, 'fictioneer_chapter_hide_title', true ) ) {
if ( ! $post->hide_title ) {
$frame->appendChild( $doc->createElement( 'h1', $title ) );
}
@ -575,6 +561,57 @@ if ( ! function_exists( 'fictioneer_add_epub_chapters' ) ) {
}
}
if ( ! function_exists( 'fictioneer_query_epub_chapters' ) ) {
/**
* Process and add chapters to ePUB directory and lists
*
* @since 5.26.0
*
* @param array $chapter_ids Chapters IDs of story.
*
* @return array Array of chapter objects.
*/
function fictioneer_query_epub_chapters( $chapter_ids ) {
global $wpdb;
if ( empty( $chapter_ids ) ) {
return [];
}
$chapter_ids = array_map( 'intval', $chapter_ids );
$placeholders = implode( ',', array_fill( 0, count( $chapter_ids ), '%d' ) );
$sql =
"SELECT
p.ID,
p.post_title,
p.post_content,
p.post_date,
p.post_password,
COALESCE(pm_hide_title.meta_value, '0') AS hide_title
FROM {$wpdb->posts} p
LEFT JOIN {$wpdb->postmeta} pm_no_chapter
ON (p.ID = pm_no_chapter.post_id AND pm_no_chapter.meta_key = 'fictioneer_chapter_no_chapter')
LEFT JOIN {$wpdb->postmeta} pm_hidden
ON (p.ID = pm_hidden.post_id AND pm_hidden.meta_key = 'fictioneer_chapter_hidden')
LEFT JOIN {$wpdb->postmeta} pm_hide_title
ON (p.ID = pm_hide_title.post_id AND pm_hide_title.meta_key = 'fictioneer_chapter_hide_title')
WHERE p.ID IN ($placeholders)
AND p.post_type = 'fcn_chapter'
AND p.post_status = 'publish'
AND (pm_no_chapter.meta_value IS NULL OR pm_no_chapter.meta_value = '0' OR pm_no_chapter.meta_value = '')
AND (pm_hidden.meta_value IS NULL OR pm_hidden.meta_value = '0' OR pm_hidden.meta_value = '')";
$chapters = $wpdb->get_results( $wpdb->prepare( $sql, ...$chapter_ids ) );
$chapter_map = array_column( $chapters, null, 'ID' );
$ordered_chapters = array_map( fn( $id ) => $chapter_map[ $id ] ?? null, $chapter_ids );
return array_filter( $ordered_chapters );
}
}
// =============================================================================
// OPF FILE
// =============================================================================