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<?php |
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/** |
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* Email Template Integration |
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* |
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* Provides integration with CF7 and Avada Forms for custom email templates. |
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* |
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* @package Forge12\DoubleOptIn\EmailTemplates |
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* @since 4.0.0 |
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*/ |
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|
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namespace Forge12\DoubleOptIn\EmailTemplates; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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/** |
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* Class EmailTemplateIntegration |
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* |
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* Helper class for integrating custom email templates with form plugins. |
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*/ |
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class EmailTemplateIntegration { |
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|
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/** |
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* Repository instance. |
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* |
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* @var EmailTemplateRepository |
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*/ |
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private EmailTemplateRepository $repository; |
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|
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/** |
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* HTML Generator instance. |
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* |
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* @var EmailHtmlGenerator |
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*/ |
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private EmailHtmlGenerator $htmlGenerator; |
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|
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/** |
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* Constructor. |
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*/ |
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public function __construct() { |
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$this->repository = new EmailTemplateRepository(); |
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$this->htmlGenerator = new EmailHtmlGenerator(); |
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} |
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|
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/** |
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* Initialize hooks. |
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* |
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* @return void |
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*/ |
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public function init(): void { |
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// Hook into template loading Ajax |
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add_action( 'wp_ajax_f12_doi_templateloader', array( $this, 'handleTemplateLoaderAjax' ), 5 ); |
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|
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// Hook into template rendering for email sending |
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add_filter( 'f12_cf7_doubleoptin_template_body', array( $this, 'renderCustomTemplateBody' ), 10, 4 ); |
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|
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// Add custom templates to CF7 panel |
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add_action( 'f12_cf7_doubleoptin_admin_panel_templates', array( $this, 'renderCustomTemplateOptions' ), 10, 2 ); |
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} |
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|
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/** |
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* Get all available templates (built-in + custom). |
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* |
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* @return array Array of template options with 'value' => 'label' format. |
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*/ |
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public function getAvailableTemplates(): array { |
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$templates = array( |
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'blank' => __( 'Blank', 'double-opt-in' ), |
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'newsletter_en' => __( 'Newsletter EN', 'double-opt-in' ), |
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'newsletter_en_2' => __( 'Newsletter EN 2', 'double-opt-in' ), |
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'newsletter_en_3' => __( 'Newsletter EN 3', 'double-opt-in' ), |
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); |
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|
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// Add custom templates |
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$customTemplates = $this->repository->findAll( |
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array( |
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'post_status' => 'publish', |
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) |
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); |
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|
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foreach ( $customTemplates as $template ) { |
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$templates[ 'custom_' . $template['id'] ] = sprintf( |
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__( '%s (Custom)', 'double-opt-in' ), |
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$template['title'] |
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); |
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} |
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|
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return $templates; |
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} |
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|
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/** |
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* Get custom templates for display. |
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* |
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* @return array Array of custom template data. |
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*/ |
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public function getCustomTemplates(): array { |
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return $this->repository->findAll( |
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array( |
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'post_status' => 'publish', |
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) |
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); |
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} |
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|
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/** |
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* Check if a template is a custom template. |
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* |
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* @param string $templateKey Template key. |
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* @return bool True if custom template. |
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*/ |
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public function isCustomTemplate( string $templateKey ): bool { |
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return strpos( $templateKey, 'custom_' ) === 0; |
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} |
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|
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/** |
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* Get custom template ID from template key. |
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* |
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* @param string $templateKey Template key (e.g., 'custom_123'). |
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* @return int|null Template ID or null. |
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*/ |
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public function getCustomTemplateId( string $templateKey ): ?int { |
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if ( ! $this->isCustomTemplate( $templateKey ) ) { |
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return null; |
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} |
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|
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return (int) str_replace( 'custom_', '', $templateKey ); |
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} |
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|
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/** |
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* Handle template loader Ajax request for custom templates. |
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* |
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* @return void |
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*/ |
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public function handleTemplateLoaderAjax(): void { |
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// Check nonce |
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if ( ! isset( $_POST['nonce'] ) || ! wp_verify_nonce( wp_unslash( $_POST['nonce'] ), 'f12_doi_templateloader' ) ) { |
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return; // Let default handler run |
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} |
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|
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// A nonce proves intent, not authorization — a template's rendered HTML |
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// must only be readable by users who may manage the plugin. |
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if ( ! current_user_can( 'manage_options' ) ) { |
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return; |
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} |
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|
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$templateKey = isset( $_POST['template'] ) ? sanitize_text_field( $_POST['template'] ) : ''; |
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|
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if ( ! $this->isCustomTemplate( $templateKey ) ) { |
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return; // Let default handler run |
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} |
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|
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$templateId = $this->getCustomTemplateId( $templateKey ); |
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if ( ! $templateId ) { |
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// Match the expected response format for the template loader JS |
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// Don't set Content-Type header - jQuery would auto-parse and the JS does JSON.parse manually |
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echo wp_json_encode( |
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array( |
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'status' => 400, |
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'content' => '', |
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'message' => __( 'Invalid template.', 'double-opt-in' ), |
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) |
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); |
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wp_die( '', '', array( 'response' => null ) ); |
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} |
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|
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$template = $this->repository->findById( $templateId ); |
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if ( ! $template ) { |
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// Match the expected response format for the template loader JS |
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echo wp_json_encode( |
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array( |
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'status' => 404, |
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'content' => '', |
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'message' => __( 'Template not found.', 'double-opt-in' ), |
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) |
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); |
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wp_die( '', '', array( 'response' => null ) ); |
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} |
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|
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// Generate HTML from blocks |
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$blocks = json_decode( $template['blocks_json'], true ) ?: array(); |
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$globalStyles = json_decode( $template['global_styles'], true ) ?: array(); |
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|
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$html = $this->htmlGenerator->generate( $blocks, $globalStyles ); |
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|
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// Return in the expected format for the template loader JS |
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// The JS expects: { status: 200, content: "..." } as a string (not auto-parsed JSON) |
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echo wp_json_encode( |
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array( |
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'status' => 200, |
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'content' => $html, |
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) |
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); |
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wp_die( '', '', array( 'response' => null ) ); |
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} |
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|
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/** |
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* Render custom template body for email sending. |
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* |
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* @param string $body Current email body. |
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* @param string $templateKey Template key (e.g., 'blank', 'custom_123'). |
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* @param array $parameter Form parameters. |
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* @param mixed $optIn OptIn object. |
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* @return string Modified email body. |
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*/ |
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public function renderCustomTemplateBody( string $body, string $templateKey, array $parameter, $optIn ): string { |
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if ( ! $this->isCustomTemplate( $templateKey ) ) { |
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return $body; |
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} |
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|
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$templateId = $this->getCustomTemplateId( $templateKey ); |
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if ( ! $templateId ) { |
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return $body; |
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} |
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|
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$template = $this->repository->findById( $templateId ); |
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if ( ! $template ) { |
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return $body; |
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} |
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|
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// Generate HTML from blocks |
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$blocks = json_decode( $template['blocks_json'], true ) ?: array(); |
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$globalStyles = json_decode( $template['global_styles'], true ) ?: array(); |
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|
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return $this->htmlGenerator->generate( $blocks, $globalStyles ); |
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} |
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|
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/** |
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* Render custom template options in the CF7 admin panel. |
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* |
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* @param array $metadata Current form metadata. |
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* @param string $id Form element ID prefix. |
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* @return void |
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*/ |
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public function renderCustomTemplateOptions( array $metadata, string $id ): void { |
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$customTemplates = $this->getCustomTemplates(); |
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|
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if ( empty( $customTemplates ) ) { |
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return; |
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} |
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|
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$selectedTemplate = $metadata['template'] ?? ''; |
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|
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// Add inline script via WordPress hook to avoid sanitization issues |
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add_action( |
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'admin_footer', |
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function () { |
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?> |
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<script type="text/javascript"> |
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jQuery(document).ready(function($) { |
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$('.custom-template-preview').on('click', function() { |
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var template = $(this).data('template'); |
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$('.f12-cf7-templateloader').val(template).trigger('change'); |
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$('.preview-item-inner').removeClass('active'); |
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$('.f12-cf7-templateloader-preview').parent().removeClass('active'); |
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$(this).closest('.preview-item-inner').addClass('active'); |
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}); |
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}); |
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</script> |
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<style type="text/css"> |
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.custom-templates-section { |
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margin-top: 20px; |
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padding-top: 20px; |
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border-top: 1px solid #ddd; |
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} |
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.custom-templates-section h4 { |
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margin-bottom: 15px; |
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} |
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.custom-templates-section .preview { |
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display: flex; |
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flex-wrap: wrap; |
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gap: 10px; |
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} |
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.custom-template-box { |
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width: 120px; |
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height: 90px; |
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); |
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border-radius: 4px; |
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display: flex; |
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flex-direction: column; |
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align-items: center; |
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justify-content: center; |
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color: #fff; |
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cursor: pointer; |
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transition: transform 0.2s, box-shadow 0.2s; |
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} |
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.custom-template-box:hover { |
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transform: translateY(-2px); |
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box-shadow: 0 4px 12px rgba(0,0,0,0.15); |
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} |
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.custom-template-box .template-icon { |
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font-size: 24px; |
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margin-bottom: 5px; |
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} |
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.custom-template-box .template-name { |
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font-size: 11px; |
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font-weight: 600; |
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text-align: center; |
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padding: 0 5px; |
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white-space: nowrap; |
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overflow: hidden; |
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text-overflow: ellipsis; |
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max-width: 100%; |
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} |
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.preview-item-inner.active .custom-template-box { |
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box-shadow: 0 0 0 3px #0073aa; |
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} |
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</style> |
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<?php |
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} |
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); |
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?> |
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<div class="custom-templates-section"> |
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<h4><?php _e( 'Custom Templates', 'double-opt-in' ); ?></h4> |
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<p style="margin-bottom: 15px; color: #666; font-size: 12px;"> |
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<?php _e( 'Or select a custom template from the Email Editor:', 'double-opt-in' ); ?> |
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<a href="<?php echo esc_url( admin_url( 'admin.php?page=f12-doi-admin#/email-templates' ) ); ?>" target="_blank"> |
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<?php _e( 'Manage Templates', 'double-opt-in' ); ?> → |
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</a> |
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</p> |
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<div class="preview"> |
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<?php |
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foreach ( $customTemplates as $template ) : |
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$templateKey = 'custom_' . $template['id']; |
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$isActive = $selectedTemplate === $templateKey; |
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?> |
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<div class="preview-item"> |
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<div class="preview-item-inner <?php echo $isActive ? 'active' : ''; ?>"> |
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<div class="f12-cf7-templateloader-preview custom-template-preview custom-template-box" |
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data-template="<?php echo esc_attr( $templateKey ); ?>" |
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title="<?php echo esc_attr( $template['title'] ); ?>"> |
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<span class="template-icon">✉</span> |
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<span class="template-name"><?php echo esc_html( $template['title'] ); ?></span> |
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</div> |
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</div> |
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</div> |
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<?php endforeach; ?> |
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</div> |
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</div> |
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<?php |
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} |
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} |
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|
