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send_user_notification()

Description

Send system notifications to specified users, checking the user preferences first if specified


This will contain two arrays:-
"emails" array of emails sent, with the following elements:-
"email" => Email address
"subject" => Email subject
"body" => Body text

"messages" Array of system messages sent with the following elements :-
"user" => User ID
"message" => message text
"url" => url

Parameters

ColumnTypeDefaultDescription
$users array Array of user IDs or array of user details from get_users()
$notifymessage ResourceSpaceUserNotification An instance of a ResourceSpaceUserNotification object holding message properties
$forcemail bool false Force system to send email instead of notification?

Return

array Array containing resulting messages - can be used for testing when emails are not being sent

Location

include/message_functions.php lines 985 to 1145

Definition

 
function send_user_notification(array $users, $notifymessage, $forcemail=false)
    {
    global $userref, $lang, $plugins, $header_colour_style_override;

    // Need to global $applicationname as it is used inside the lang files
    global $applicationname;
    $userlanguages = []; // This stores the users in their relevant language key element

    // Set up $results array
    $results = [];
    $results["messages"] = [];
    $results["emails"] = [];
    foreach($users as $notify_user)
        {
        $userdetails = $notify_user;
        if(!is_array($userdetails))
            {
            $userdetails = get_user((int)$userdetails);
            }
        elseif(!isset($userdetails["lang"]))
            {
            // Need full user info
            $userdetails = get_user($userdetails["ref"]);
            }
        if($userdetails == false)
            {
            continue;
            }

        $send_message=true;
        // Check if preferences should prevent the notification from being sent
        if(isset($notifymessage->user_preference) && is_array($notifymessage->user_preference))
            {
            foreach($notifymessage->user_preference as $preference=>$vals)
                {
                if($preference != "")
                    {
                    $requiredvalue  = (bool)$vals["requiredvalue"];
                    $default        = (bool)$vals["default"];
                    get_config_option($userdetails['ref'],$preference, $check_pref,$default);
                    debug(" - Required preference: " . $preference . " = " . ($requiredvalue ? "TRUE" : "FALSE"));
                    debug(" - User preference value: " . $preference . " = " . ($check_pref ? "TRUE" : "FALSE"));
                    if($check_pref != $requiredvalue)
                        {
                        debug("Skipping notification to user #" . $userdetails['ref']);
                        $send_message=false;
                        }
                    }
                }
            }
        if($send_message==false)
            {
            continue;
            }
        debug("Sending notification to user #" . $userdetails["ref"]);
        get_config_option($userdetails['ref'],'email_user_notifications', $send_email);
        if(!isset($userlanguages[$userdetails['lang']]))
            {
            $userlanguages[$userdetails['lang']] = [];
            $userlanguages[$userdetails['lang']]["emails"] = [];
            $userlanguages[$userdetails['lang']]["message_users"] = [];
            }
        if(($send_email && filter_var($userdetails["email"], FILTER_VALIDATE_EMAIL)) || $forcemail)
            {
            debug("Sending email to user #" . $userdetails["ref"]);
            $userlanguages[$userdetails['lang']]["emails"][] = $userdetails["email"];
            }
        else
            {
            debug("Sending system message to user #" . $userdetails["ref"]);
            $userlanguages[$userdetails['lang']]["message_users"][]=$userdetails["ref"];
            }
        }
    $url = $notifymessage->url ?? null;
    $headerimghtml = "";
    if(!isset($notifymessage->template))
        {
        // Add header image to email if not using template
        $img_url = get_header_image(true);
        $img_div_style = 'float: left;width: 100%;max-height:50px;padding: 5px;';
        $img_div_style .= "background: " . ((isset($header_colour_style_override) && $header_colour_style_override != '') ? $header_colour_style_override : "#fff") . ";";

        $headerimghtml .= '<div style="' . $img_div_style . '">';
        $headerimghtml .= '<div style="float: left;">';
        $headerimghtml .= '<div>';

        $headerimghtml .= '<img src="' . $img_url . '" style="max-height:50px;"  />';
        $headerimghtml .= '</div></div></div><br /><br />';
        }

    foreach($userlanguages as $userlanguage=>$notifications)
        {
        debug("Processing notifications for language: '" . $userlanguage . "'");
        // Save the current lang array
        $saved_lang = $lang;
        if ($userlanguage!="en")
            {
            if (substr($userlanguage, 2, 1)=='-' && substr($userlanguage, 0, 2)!='en')
                {
                $langpath = __DIR__."/../languages/" . safe_file_name(substr($userlanguage, 0, 2)) . ".php";
                if(file_exists($langpath))
                    {
                    include $langpath;
                    }
                }
            $langpath = __DIR__."/../languages/" . safe_file_name($userlanguage) . ".php";
            if(file_exists($langpath))
                {
                include $langpath;
                }
            }

        # Register plugin languages in reverse order
        for ($n=count($plugins)-1;$n>=0;$n--)
            {
            if (!isset($plugins[$n]))
                {
                continue;
                }
            register_plugin_language($plugins[$n]);
            }

        // Load in the correct language strings
        lang_load_site_text($lang,"",$userlanguage);

        $subject = $notifymessage->get_subject();
        $messagetext = $notifymessage->get_text();
        if (count($notifications["message_users"])>0)
            {
            $activitytype = $notifymessage->eventdata["type"] ?? null;
            $relatedactivity = $notifymessage->eventdata["ref"] ?? null;
            foreach($notifications["message_users"] as $notifyuser)
                {
                $results["messages"][] = ["user"=>$notifyuser,"message"=>$messagetext,"url"=>$url];
                }
            message_add($notifications["message_users"],$messagetext, (string) $url,$userref,MESSAGE_ENUM_NOTIFICATION_TYPE_SCREEN,MESSAGE_DEFAULT_TTL_SECONDS,$activitytype,$relatedactivity);
            }
        if (count($notifications["emails"])>0)
            {
            if(!empty($url) && !is_null($url) && strpos($messagetext,$url) === false)
                {
                // Add the URL to the message if not already present
                $messagetext = $messagetext . "<br /><br /><a href='" . $url . "'>" . $url . "</a>";
                }

            foreach($notifications["emails"] as $emailrecipient)
                {
                send_mail($emailrecipient,$subject,$headerimghtml . $messagetext,"","",$notifymessage->template,$notifymessage->templatevars);
                $results["emails"][] = ["email"=>$emailrecipient,"subject"=>$subject,"body"=>$headerimghtml . $messagetext];
                }

            foreach($notifications["message_users"] as $notifyuser)
                {
                $results[$notifyuser] = ["type"=>"messsage","body"=>$messagetext];
                }
            }
        // Restore the saved $lang array
        $lang = $saved_lang;
        }
    return $results;
    }

This article was last updated 4th December 2024 08:35 Europe/London time based on the source file dated 27th November 2024 15:30 Europe/London time.