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Improve caching and logic in get_user_data_from_wp_global_styles. #2414

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Improve caching and logic in get_user_data_from_wp_global_styles. #2414

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075d00a
Improve caching of global styles.
spacedmonkey Jun 13, 2022
2da31ee
Merge branch 'trunk' into fix/global-query
spacedmonkey Jun 17, 2022
83f9579
Add some unit tests.
spacedmonkey Jun 17, 2022
82ffd45
Improve caching.
spacedmonkey Jun 17, 2022
95667ce
Handle more edge cases.
spacedmonkey Jun 17, 2022
71bcb6c
Improve tests.
spacedmonkey Jun 17, 2022
478fa51
Merge branch 'trunk' into fix/global-query
spacedmonkey Jul 5, 2022
8bb1cd7
Add expiration back again.
spacedmonkey Jul 5, 2022
32d7306
Fix style.
spacedmonkey Jul 5, 2022
7482d90
Merge branch 'trunk' into fix/global-query
spacedmonkey Sep 9, 2022
12e6322
Fix test.
spacedmonkey Sep 9, 2022
67537a2
Apply suggestions from code review
spacedmonkey Sep 15, 2022
0389421
Merge branch 'trunk' into fix/global-query
spacedmonkey Sep 15, 2022
76fd86c
Formatting of tests.
spacedmonkey Sep 15, 2022
8e567de
Fix styling.
spacedmonkey Sep 15, 2022
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47 changes: 26 additions & 21 deletions src/wp-includes/class-wp-theme-json-resolver.php
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Original file line number Diff line number Diff line change
Expand Up @@ -304,54 +304,59 @@ public static function get_user_data_from_wp_global_styles( $theme, $create_post
}
$user_cpt = array();
$post_type_filter = 'wp_global_styles';
$stylesheet = $theme->get_stylesheet();
$args = array(
'numberposts' => 1,
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'orderby' => 'date',
'order' => 'desc',
'post_type' => $post_type_filter,
'post_status' => $post_status_filter,
'tax_query' => array(
'posts_per_page' => 1,
'orderby' => 'post_date',
'order' => 'desc',
'post_type' => $post_type_filter,
'post_status' => $post_status_filter,
'ignore_sticky_posts' => true,
'no_found_rows' => true,
'tax_query' => array(
array(
'taxonomy' => 'wp_theme',
'field' => 'name',
'terms' => $theme->get_stylesheet(),
'terms' => $stylesheet,
),
),
);

$cache_key = sprintf( 'wp_global_styles_%s', md5( serialize( $args ) ) );
$post_id = wp_cache_get( $cache_key );

if ( (int) $post_id > 0 ) {
return get_post( $post_id, ARRAY_A );
}

$post_id = (int) get_transient( $cache_key );
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// Special case: '-1' is a results not found.
if ( -1 === $post_id && ! $create_post ) {
return $user_cpt;
}

$recent_posts = wp_get_recent_posts( $args );
if ( is_array( $recent_posts ) && ( count( $recent_posts ) === 1 ) ) {
$user_cpt = $recent_posts[0];
if ( $post_id > 0 && in_array( get_post_status( $post_id ), (array) $post_status_filter, true ) ) {
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return get_post( $post_id, ARRAY_A );
}

$global_style_query = new WP_Query();
$recent_posts = $global_style_query->query( $args );
if ( count( $recent_posts ) === 1 ) {
$user_cpt = get_post( $recent_posts[0], ARRAY_A );
} elseif ( $create_post ) {
$cpt_post_id = wp_insert_post(
array(
'post_content' => '{"version": ' . WP_Theme_JSON::LATEST_SCHEMA . ', "isGlobalStylesUserThemeJSON": true }',
'post_status' => 'publish',
'post_title' => 'Custom Styles',
'post_title' => __( 'Custom Styles' ),
'post_type' => $post_type_filter,
'post_name' => 'wp-global-styles-' . urlencode( wp_get_theme()->get_stylesheet() ),
'post_name' => sprintf( 'wp-global-styles-%s', urlencode( $stylesheet ) ),
'tax_input' => array(
'wp_theme' => array( wp_get_theme()->get_stylesheet() ),
'wp_theme' => array( $stylesheet ),
),
),
true
);
$user_cpt = get_post( $cpt_post_id, ARRAY_A );
if ( ! is_wp_error( $cpt_post_id ) ) {
$user_cpt = get_post( $cpt_post_id, ARRAY_A );
}
}
$cache_expiration = $user_cpt ? DAY_IN_SECONDS : HOUR_IN_SECONDS;
wp_cache_set( $cache_key, $user_cpt ? $user_cpt['ID'] : -1, '', $cache_expiration );
set_transient( $cache_key, $user_cpt ? $user_cpt['ID'] : -1, $cache_expiration );

return $user_cpt;
}
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64 changes: 58 additions & 6 deletions tests/phpunit/tests/theme/wpThemeJsonResolver.php
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Original file line number Diff line number Diff line change
Expand Up @@ -348,29 +348,81 @@ function test_merges_child_theme_json_into_parent_theme_json() {
);
}

/**
* @covers WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles
*/
function test_get_user_data_from_wp_global_styles_does_not_use_uncached_queries() {
$theme = wp_get_theme();
WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles( $theme );
add_filter( 'query', array( $this, 'filter_db_query' ) );
$query_count = count( $this->queries );
for ( $i = 0; $i < 3; $i++ ) {
WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles( wp_get_theme() );
WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles( $theme );
WP_Theme_JSON_Resolver::clean_cached_data();
}
$query_count = count( $this->queries ) - $query_count;
$this->assertEquals( 1, $query_count, 'Only one SQL query should be peformed for multiple invocations of WP_Theme_JSON_Resolver::get_global_styles_from_post()' );
$this->assertEquals( 0, $query_count, 'Unexpected SQL queries detected for the wp_global_style post type' );

$user_cpt = WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles( wp_get_theme() );
$user_cpt = WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles( $theme );
$this->assertEmpty( $user_cpt );

$user_cpt = WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles( wp_get_theme(), true );
$user_cpt = WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles( $theme, true );
$this->assertNotEmpty( $user_cpt );

$query_count = count( $this->queries );
for ( $i = 0; $i < 3; $i++ ) {
WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles( wp_get_theme() );
for ( $i = 0; $i < 3; $i ++ ) {
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$new_user_cpt = WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles( $theme );
WP_Theme_JSON_Resolver::clean_cached_data();
$this->assertSameSets( $user_cpt, $new_user_cpt );
}
$query_count = count( $this->queries ) - $query_count;
$this->assertEquals( 0, $query_count, 'Unexpected SQL queries detected for the wp_global_style post type' );
remove_filter( 'query', array( $this, 'filter_db_query' ) );
}

/**
* @ticket 55392
* @covers WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles
*/
function test_get_user_data_from_wp_global_styles_does_exist() {
$theme = wp_get_theme();
$post1 = WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles( $theme, true );
$this->assertIsArray( $post1 );
$this->assertArrayHasKey( 'ID', $post1 );
wp_delete_post( $post1['ID'], true );
$post2 = WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles( $theme, true );
$this->assertIsArray( $post2 );
$this->assertArrayHasKey( 'ID', $post2 );
}

/**
* @ticket 55392
* @covers WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles
*/
function test_get_user_data_from_wp_global_styles_create_post() {
$theme = wp_get_theme( 'testing' );
$post1 = WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles( $theme );
$this->assertIsArray( $post1 );
$this->assertSameSets( array(), $post1 );
$post2 = WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles( $theme );
$this->assertIsArray( $post2 );
$this->assertSameSets( array(), $post2 );
$post3 = WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles( $theme, true );
$this->assertIsArray( $post3 );
$this->assertArrayHasKey( 'ID', $post3 );
}

/**
* @ticket 55392
* @covers WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles
*/
function test_get_user_data_from_wp_global_styles_filter_state() {
$theme = wp_get_theme( 'foo' );
$post1 = WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles( $theme, true, array( 'publish' ) );
$this->assertIsArray( $post1 );
$this->assertArrayHasKey( 'ID', $post1 );
$post2 = WP_Theme_JSON_Resolver::get_user_data_from_wp_global_styles( $theme, false, array( 'draft' ) );
$this->assertIsArray( $post2 );
$this->assertSameSets( array(), $post2 );
}
}