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move handlebars methods to separate class
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@nk-o
nk-o committed Oct 10, 2024
1 parent 5cfaf0e commit 0af3262
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Showing 3 changed files with 301 additions and 265 deletions.
261 changes: 1 addition & 260 deletions classes/class-blocks.php
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Original file line number Diff line number Diff line change
Expand Up @@ -14,13 +14,6 @@
* LazyBlocks_Blocks class. Class to work with LazyBlocks CPT.
*/
class LazyBlocks_Blocks {
/**
* Handlebars engine.
*
* @var null|object
*/
private $handlebars = null;

/**
* Rules to sanitize SVG
*
Expand Down Expand Up @@ -57,8 +50,6 @@ class LazyBlocks_Blocks {
* LazyBlocks_Blocks constructor.
*/
public function __construct() {
add_action( 'init', array( $this, 'prepare_handlebars' ) );

add_action( 'init', array( $this, 'register_post_type' ) );

add_action( 'init', array( $this, 'remove_custom_fields_support' ), 150 );
Expand Down Expand Up @@ -131,256 +122,6 @@ public function normalize_lazyblocks_post_status( $post_id, $post ) {
}
}

/**
* Check if the attribute is a handlebars options attribute.
*
* @param mixed $attribute The attribute to check.
* @return bool True if the attribute is a handlebars options attribute, false otherwise.
*/
public function is_handlebars_options_attribute( $attribute ) {
return is_array( $attribute ) && isset( $attribute['data']['index'] ) && isset( $attribute['context'] );
}

/**
* Handlebars php.
*/
public function prepare_handlebars() {
require_once lazyblocks()->plugin_path() . 'vendors/Handlebars/Autoloader.php';

Handlebars\Autoloader::register();

$this->handlebars = new Handlebars\Handlebars();

// truncate
// {{truncate 'string' 2 'true'}}.
$this->handlebars->registerHelper(
'truncate',
function( $str, $len, $ellipsis = 'true' ) {
if ( $str && $len && mb_strlen( $str, 'UTF-8' ) > $len ) {
$new_str = mb_substr( $str, 0, $len + 1, 'UTF-8' );
$count = mb_strlen( $new_str, 'UTF-8' );

while ( $count > 0 ) {
$ch = mb_substr( $new_str, -1, null, 'UTF-8' );
$new_str = mb_substr( $new_str, 0, -1, 'UTF-8' );

$count--;

if ( ' ' === $ch ) {
break;
}
}

if ( '' === $new_str ) {
$new_str = mb_substr( $str, 0, $len, 'UTF-8' );
}

return new \Handlebars\SafeString( $new_str . ( 'true' === $ellipsis ? '...' : '' ) );
}
return $str;
}
);

// compare.
// {{#compare 1 '===' 2}} Show if true {{/compare}}
// slightly changed https://gist.github.com/doginthehat/1890659.
$this->handlebars->registerHelper(
'compare',
function( $lvalue, $operator, $rvalue = null, $options = null ) {
if ( null === $rvalue ) {
return $options['inverse']();
}

if ( null === $options ) {
$options = $rvalue;
$rvalue = $operator;
$operator = '===';
}

$result = false;

switch ( $operator ) {
case '==':
// phpcs:ignore
$result = $lvalue == $rvalue;
break;
case '===':
$result = $lvalue === $rvalue;
break;
case '!=':
// phpcs:ignore
$result = $lvalue != $rvalue;
break;
case '!==':
$result = $lvalue !== $rvalue;
break;
case '<':
$result = $lvalue < $rvalue;
break;
case '>':
$result = $lvalue > $rvalue;
break;
case '<=':
$result = $lvalue <= $rvalue;
break;
case '>=':
$result = $lvalue >= $rvalue;
break;
case '&&':
$result = $lvalue && $rvalue;
break;
case '||':
$result = $lvalue || $rvalue;
break;
case 'typeof':
$result = gettype( $lvalue ) === $rvalue;
break;
}

if ( $result ) {
return $options['fn']();
}

return $options['inverse']();
}
);

// math.
// {{math 1 '+' 2}}
// https://stackoverflow.com/questions/33059203/error-missing-helper-in-handlebars-js/46317662#46317662.
$this->handlebars->registerHelper(
'math',
function( $lvalue, $operator, $rvalue ) {
$result = '';

switch ( $operator ) {
case '+':
$result = $lvalue + $rvalue;
break;
case '-':
$result = $lvalue - $rvalue;
break;
case '*':
$result = $lvalue * $rvalue;
break;
case '/':
$result = $lvalue / $rvalue;
break;
case '%':
$result = $lvalue % $rvalue;
break;
}

return $result;
}
);

// do_shortcode.
// {{{do_shortcode 'my_shortcode' this}}}.
$this->handlebars->registerHelper(
'do_shortcode',
function( $shortcode_name, $attributes ) {
$result = '[' . $shortcode_name;

// prepare attributes.
if ( isset( $attributes ) && ! empty( $attributes ) ) {
foreach ( $attributes as $name => $val ) {
if (
'content' === $name
|| 'lazyblock_code_frontend_html' === $name
|| 'lazyblock_code_backend_html' === $name
|| 'data' === $name
|| 'hash' === $name
) {
continue;
}

if ( is_array( $val ) ) {
$val = wp_json_encode( $val );
}

if (
! is_numeric( $val )
&& ! is_string( $val )
&& ! is_bool( $val )
) {
continue;
}

if ( is_bool( $val ) ) {
$val = $val ? '1' : '0';
}

$result .= ' ' . esc_attr( $name ) . '="' . esc_attr( $val ) . '"';
}

// content.
if ( isset( $attributes['content'] ) ) {
$result .= ']' . $attributes['content'] . '[/' . $shortcode_name;
}
}

$result .= ']';

return do_shortcode( $result );
}
);

// date_i18n.
// {{date_i18n 'F j, Y H:i' '2018-09-16 15:35'}}.
$this->handlebars->registerHelper(
'date_i18n',
function( $format, $time ) {
return date_i18n( $format, strtotime( $time ) );
}
);

// var_dump.
// {{var_dump 'test'}}.
$this->handlebars->registerHelper(
'var_dump',
function( $val ) {
ob_start();
var_dump( $val );
return ob_get_clean();
}
);

// wp_get_attachment_image.
// {{wp_get_attachment_image 123 'thumbnail'}}.
$this->handlebars->registerHelper(
'wp_get_attachment_image',
function( $attachment_id, $size = 'thumbnail', $icon = false, $attr = '' ) {
// Prevent options from being passed.
// Add default values if options are not set.
if ( ! isset( $size ) || $this->is_handlebars_options_attribute( $size ) ) {
$size = 'thumbnail';
}
if ( ! isset( $icon ) || $this->is_handlebars_options_attribute( $icon ) ) {
$icon = false;
}
if ( ! isset( $attr ) || $this->is_handlebars_options_attribute( $attr ) ) {
$attr = '';
}

if ( is_array( $attachment_id ) && isset( $attachment_id['id'] ) ) {
if ( ! empty( $attachment_id['id'] ) ) {
return wp_get_attachment_image( $attachment_id['id'], $size, $icon, $attr );
} elseif ( isset( $attachment_id['url'] ) ) {
return '<img src="' . esc_url( $attachment_id['url'] ) . '" alt="' . esc_attr( $attr ) . '">';
}
} elseif ( is_numeric( $attachment_id ) || is_string( $attachment_id ) && ! empty( $attachment_id ) ) {
return wp_get_attachment_image( $attachment_id, $size, $icon, $attr );
}

return '';
}
);

// custom action for extending default helpers by 3rd-party.
do_action( 'lzb/handlebars/object', $this->handlebars );
}

/**
* Register CPT.
*/
Expand Down Expand Up @@ -1637,7 +1378,7 @@ public function render_callback( $attributes, $content = null, $context = 'front

// Handlebars.
} else {
$result = $this->handlebars->render( $code[ $custom_render_name ], $attributes );
$result = lazyblocks()->handlebars()->object->render( $code[ $custom_render_name ], $attributes );
}
}
}
Expand Down
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