Initial Commit

inc/helpers/class-sender.php

@@ -0,0 +1,229 @@
+<?php
+/**
+ * Handles the action o send a admin notice to a sub-site or a email.
+ *
+ * @package WP_Ultimo
+ * @subpackage Helper
+ * @since 2.0.0
+ */
+
+namespace WP_Ultimo\Helpers;
+
+use WP_Ultimo\Models\Email_Template;
+
+// Exit if accessed directly
+defined('ABSPATH') || exit;
+
+/**
+ * Handles hashing to encode ids and prevent spoofing due to auto-increments.
+ *
+ * @since 2.0.0
+ */
+class Sender {
+
+	/**
+	 * Parse attributes against the defaults.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param array $args The args passed.
+	 * @return array
+	 */
+	public static function parse_args($args = array()) {
+
+		$default_args = array(
+			'from'        => array(
+				'name'  => wu_get_setting('from_name'),
+				'email' => wu_get_setting('from_email'),
+			),
+			'content'     => '',
+			'subject'     => '',
+			'bcc'         => array(),
+			'payload'     => array(),
+			'attachments' => array(),
+			'style'       => wu_get_setting('email_template_type', 'html'),
+		);
+
+		$args = wp_parse_args($args, $default_args);
+
+		return $args;
+
+	} // end parse_args;
+
+	/**
+	 * Send an email to one or more users.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param array  $from From whom will be send this mail.
+	 * @param string $to   To who this email is.
+	 * @param array  $args With content, subject and other arguments, has shortcodes, mail type.
+	 * @return array With the send response.
+	 */
+	public static function send_mail($from = array(), $to = array(), $args = array()) {
+
+		if (!$from) {
+
+			$from = array(
+				'email' => wu_get_setting('from_email'),
+				'name'  => wu_get_setting('from_name'),
+			);
+
+		} // end if;
+
+		$args = Sender::parse_args($args);
+
+		/*
+		 * First, replace shortcodes.
+		 */
+		$payload = wu_get_isset($args, 'payload', array());
+
+		$subject = Sender::process_shortcodes(wu_get_isset($args, 'subject', ''), $payload);
+
+		$content = Sender::process_shortcodes(wu_get_isset($args, 'content', ''), $payload);
+
+		/*
+		 * Content type and template
+		 */
+		$headers = array();
+
+		if (wu_get_isset($args, 'style', 'html') === 'html') {
+
+			$headers[] = 'Content-Type: text/html; charset=UTF-8';
+
+			$default_settings = \WP_Ultimo\Admin_Pages\Email_Template_Customize_Admin_Page::get_default_settings();
+
+			$template_settings = wu_get_option('email_template', $default_settings);
+
+			$template_settings = wp_parse_args($template_settings, $default_settings);
+
+			$template = wu_get_template_contents('broadcast/emails/base', array(
+				'site_name'         => get_network_option(null, 'site_name'),
+				'site_url'          => get_site_url(wu_get_main_site_id()),
+				'logo_url'          => wu_get_network_logo(),
+				'is_editor'         => false,
+				'subject'           => $subject,
+				'content'           => $content,
+				'template_settings' => $template_settings,
+			));
+
+		} else {
+
+			$headers[] = 'Content-Type: text/html; charset=UTF-8';
+
+			$template = nl2br(strip_tags($content, '<p><a><br>')); // by default, set the plain email content.
+
+		} // end if;
+
+		$bcc = '';
+
+		/*
+		 * Build the recipients list.
+		 */
+		if (count($to) > 1) {
+
+			$to = array_map(fn($item) => wu_format_email_string(wu_get_isset($item, 'email'), wu_get_isset($item, 'name')), $to);
+
+			/*
+			 * Decide which strategy to use, BCC or multiple "to"s.
+			 *
+			 * By default, we use multiple tos, but that can be changed to bcc.
+			 * Depending on the SMTP solution being used, that can make a difference on the number of
+			 * emails sent out.
+			 */
+			if (apply_filters('wu_sender_recipients_strategy', 'bcc') === 'bcc') {
+
+				$main_to = $to[0];
+
+				unset($to[0]);
+
+				$bcc_array = array_map(function($item) {
+
+					$email = is_array($item) ? $item['email'] : $item;
+
+					preg_match('/<([^>]+)>/', $email, $matches);
+
+					return !empty($matches[1]) ? $matches[1] : $email;
+
+				}, $to);
+
+				$bcc = implode(', ', array_filter($bcc_array));
+
+				$headers[] = "Bcc: $bcc";
+
+				$to = $main_to;
+
+			} // end if;
+
+		} else {
+
+			$to = array(
+				wu_format_email_string(wu_get_isset($to[0], 'email'), wu_get_isset($to[0], 'name'))
+			);
+
+		} // end if;
+
+		/*
+		 * Build From
+		 */
+		$from_email  = wu_get_isset($from, 'email', wu_get_setting('from_email'));
+		$from_name   = wu_get_isset($from, 'name');
+		$from_string = wu_format_email_string($from_email, $from_name);
+
+		$headers[] = "From: {$from_string}";
+
+		$attachments = $args['attachments'];
+
+		// if (isset($args['schedule'])) {
+
+		// wu_schedule_single_action($args['schedule'], 'wu_send_schedule_system_email', array(
+		// 'to'          => $to,
+		// 'subject'     => $subject,
+		// 'template'    => $template,
+		// 'headers'     => $headers,
+		// 'attachments' => $attachments,
+		// ));
+
+		// } // end if;
+
+		// Send the actual email
+		return wp_mail($to, $subject, $template, $headers, $attachments);
+
+	} // end send_mail;
+
+	/**
+	 * Change the shortcodes for values in the content.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $content   Content to be rendered.
+	 * @param array  $payload   Payload with the values to render in the content.
+	 * @return string
+	 */
+	public static function process_shortcodes($content, $payload = array()) {
+
+		if (empty($payload)) {
+
+			return $content;
+
+		} // end if;
+
+		$match = array();
+
+		preg_match_all('/{{(.*?)}}/', $content, $match);
+
+		$shortcodes = shortcode_atts(array_flip($match[1]), $payload);
+
+		foreach ($shortcodes as $shortcode_key => $shortcode_value) {
+
+			$shortcode_str = '{{' . $shortcode_key . '}}';
+
+			$content = str_replace($shortcode_str, nl2br((string) $shortcode_value), $content);
+
+		} // end foreach;
+
+		return $content;
+
+	} // end process_shortcodes;
+
+} // end class Sender;