AnsPress_Email_Hooks::save_email_template_form()

	public static function save_email_template_form() {
		$editing = false;
		$template_slug = ap_sanitize_unslash( 'template', 'r' );
		$template_id = (int) ap_opt( 'email_template_' . $template_slug );

		$form = anspress()->get_form( 'email_template' );
		$values = $form->get_values();

		// Check nonce and is valid form.
		if ( ! $form->is_submitted() || ! current_user_can( 'manage_options' ) ) {
			ap_ajax_json([
				'success' => false,
				'snackbar' => [ 'message' => __( 'Trying to cheat?!', 'anspress-question-answer' ) ],
			] );
		}

		$post_args = array(
			'post_title'		   => $values['subject']['value'],
			'post_content' 		 => $values['body']['value'],
		);

		$_post = get_post( $template_id );
		if ( $_post ) {
			$editing = true;
			$post_args['ID'] = $_post->ID;
			// Check if valid post type and user can edit.
			if ( $_post && 'anspress_email' !== $_post->post_type ) {
				ap_ajax_json( 'something_wrong' );
			}
		}

		// Post status.
		$post_args['post_status'] = 'publish';

		if ( $form->have_errors() ) {
			ap_ajax_json([
				'success'       => false,
				'snackbar'      => [ 'message' => __( 'Unable to post answer.', 'anspress-question-answer' ) ],
				'form_errors'   => $form->errors,
				'fields_errors' => $form->get_fields_errors(),
			] );
		}

		if ( ! $editing ) {
			$post_args['post_type'] = 'anspress_email';
			$post_id = wp_insert_post( $post_args, true );
		} else {
			$post_id = wp_update_post( $post_args, true );
		}

		// If error return and send error message.
		if ( is_wp_error( $post_id ) ) {
			ap_ajax_json([
				'success'       => false,
				'snackbar'      => array(
					'message' => sprintf(
						// Translators: placeholder contain error message.
						__( 'Unable to save template. Error: %s', 'anspress-question-answer' ),
						$post_id->get_error_message()
					),
				),
			] );
		}

		ap_opt( 'email_template_' . $template_slug, $post_id );

		$form->after_save( false, array(
			'post_id' => $post_id,
		) );

		// Clear temporary images.
		if ( $post_id ) {
			ap_clear_unattached_media();
		}

		ap_ajax_json( array(
			'success'  => true,
			'snackbar' => [
				'message' => __( 'Post updated successfully', 'anspress-question-answer' ),
			],
			'post_id'  => $post_id,
		) );
	}