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<?php
namespace WPForms\Forms\Fields\Traits;
/**
* File Entry Preview Trait.
*
* Contains common methods for displaying file uploads in entries and emails.
*
* @since 1.9.8
*/
trait FileDisplayTrait {
/**
* Format field value for display in Entries.
*
* @since 1.9.8
*
* @param string|mixed $val Field value.
* @param array $field Field data.
* @param array $form_data Form data.
* @param string $context Display context.
*
* @return string
* @noinspection PhpUnusedParameterInspection
*/
public function html_field_value( $val, array $field, array $form_data = [], string $context = '' ): string {
$val = (string) $val;
if ( empty( $field['value'] ) || $field['type'] !== $this->type ) {
return $val;
}
// Process modern uploader.
if ( ! empty( $field['value_raw'] ) ) {
$values = $context === 'entry-table' ? array_slice( $field['value_raw'], 0, 3, true ) : $field['value_raw'];
$html = wpforms_chain( $values )
->map(
function ( $file ) use ( $context ) {
if ( empty( $file['value'] ) || empty( $file['file_original'] ) ) {
return '';
}
return $this->get_file_link_html( $file, $context ) . '<br>';
}
)
->array_filter()
->implode()
->value();
if ( count( $values ) < count( $field['value_raw'] ) ) {
$html .= '…';
}
return $html;
}
return $this->get_file_link_html( $field, $context );
}
/**
* Get file link HTML.
*
* @since 1.9.8
*
* @param array $file File data.
* @param string $context Value display context.
*
* @return string
* @noinspection HtmlUnknownTarget
*/
private function get_file_link_html( array $file, string $context ): string {
$html = in_array( $context, [ 'email-html', 'entry-single' ], true ) ? $this->file_icon_html( $file ) : '';
$html .= sprintf(
'<a href="%s" rel="noopener noreferrer" target="_blank" style="%s">%s</a>',
esc_url( $this->get_file_url( $file ) ),
$context === 'email-html' ? 'padding-left:10px;' : '',
esc_html( $this->get_file_name( $file ) )
);
return $html;
}
/**
* Get the URL of a file.
*
* @since 1.9.8
*
* @param array $file File data.
* @param array $args Additional query arguments.
*
* @return string
*/
public function get_file_url( array $file, array $args = [] ): string {
$file_url = $file['value'] ?? '';
if ( ! empty( $file['protection_hash'] ) ) {
$args = wp_parse_args(
$args,
[
'wpforms_uploaded_file' => $file['protection_hash'],
]
);
$file_url = add_query_arg( $args, home_url() );
}
/**
* Allow modifying the URL of a file.
*
* @since 1.9.8
*
* @param string $file_url File URL.
* @param array $file File data.
*/
return (string) apply_filters( 'wpforms_pro_fields_file_upload_get_file_url', $file_url, $file );
}
/**
* Get the name of a file.
*
* @since 1.9.8
*
* @param array $file File data.
*
* @return string
*/
public function get_file_name( array $file ): string {
if ( ! $this->is_file_protected( $file ) ) {
return $file['file_original'];
}
$ext = $file['ext'] ?? '';
return sprintf( '%s.%s', hash( 'crc32b', $file['file_original'] ), $ext );
}
/**
* Check if the file is protected.
*
* @since 1.9.8
*
* @param array $file_data File data.
*
* @return bool True if the file is protected, false otherwise.
*/
private function is_file_protected( array $file_data ): bool {
return ! empty( $file_data['protection_hash'] );
}
/**
* Get file icon HTML.
*
* @since 1.9.8
*
* @param array $file_data File data.
*
* @return string
* @noinspection HtmlUnknownTarget
*/
public function file_icon_html( array $file_data ): string {
$src = esc_url( $file_data['value'] );
$ext_types = wp_get_ext_types();
if ( $this->is_file_protected( $file_data ) || ! in_array( $file_data['ext'], $ext_types['image'], true ) ) {
$src = wp_mime_type_icon( wp_ext2type( $file_data['ext'] ) ?? '' );
} elseif ( $file_data['attachment_id'] ) {
$image = wp_get_attachment_image_src( $file_data['attachment_id'], [ 16, 16 ], true );
$src = $image ? $image[0] : $src;
}
return sprintf( '<span class="file-icon"><img width="16" height="16" src="%s" alt="" /></span>', esc_url( $src ) );
}
}