root/broadcast/broadcast_start.php

<?php

// Run includes
require_once("../../includes.php");
include($CFG->dirroot . "mod/broadcast/broadcast.config.php");
$function['admin:broadcast:body'][] = $CFG->dirroot . "mod/tinymce/tinymce_js.php";

global $CFG, $template, $PAGE;
$template['css'] .= file_get_contents($CFG->dirroot . "mod/broadcast/css");

define("context", "broadcast");

$cid = optional_param('cid','');
$action = optional_param('action','');

templates_page_setup();

$title = __gettext("Broadcast");

$body = "";
$output = "";
$error = false;

if (isloggedin()) {            
    if ($action == 'submit' && $cid) {
        $profile_field = optional_param('profile_field','');
        $profile_value = optional_param('profile_value','');
        if (isadmin($_SESSION['userid']) ) {
            // only site admins can use this feature        
            $show_recipients = optional_param('show_recipients',0,PARAM_INT);
        } else {
            $show_recipients = 0;
        }
        $body .= '<form action="'.$CFG->wwwroot.'mod/broadcast/broadcast_send.php" method ="post">'."\n";
        $body .= '<input type="hidden" name="cid" value="' . $cid . '">'."\n";    
        $body .= '<input type="hidden" name="profile_field" value="' . $profile_field . '">'."\n";
        $body .= '<input type="hidden" name="profile_value" value="' . $profile_value . '">'."\n";                                    //start the form
    
        if ($cid != '*') {
            $community = get_record('users','ident',intval($cid),'user_type','community');
            if ($community) { //check that the community exists...
                if (isadmin($_SESSION['userid']) || ($broadcast_allow_owners && $community->owner == $_SESSION['userid'])) {
                    // only admins and community owners can do this
                    if ($show_recipients) {                    
                        $recipients = broadcast_get_community_users($community,$profile_field,$profile_value);
                    }
                    
                    $title = __gettext("Broadcast to").' "'.user_info('name',intval($cid)).'"';

                } else {
                    $error = true;
                    $body = __gettext("You are not allowed to contact this community.");
                }
                    
            } else {
                $error = true;
                $body = __gettext("The community you specified does not exist.");
            }
        } else if ($cid=="*" && isadmin($_SESSION['userid'])) {
            // only admins are allowed to mail to everyone
            if ($show_recipients) { 
                $recipients = broadcast_get_all_users($profile_field,$profile_value);
            }
        } else {
            $error = true;
            $body = __gettext("You must be a site administrator to view this page.");
        }            
        
        if (!$error) {    
            if ($show_recipients) {
                $emailed_users = '';
                $activity_users = '';
                if ($recipients) {
                    foreach($recipients as $recipient) {    
                        //$flag=user_flag_get("emailnotifications", $recipient->ident);
                        if (!empty($recipient->email_flag) && $recipient->email_flag == 1) {
                            $emailed_users.= $recipient->name . ", ";
                        } else {
                            $activity_users.= $recipient->name . ", ";
                        } 
                    }
                }
                
                // trim the last comma
                if ($emailed_users) {
                    $emailed_users = substr($emailed_users,0,-2); 
                } else {
                    $emailed_users = '<b>None</b>';
                }
                if ($activity_users) {
                    $activity_users = substr($activity_users,0,-2); 
                } else {
                    $activity_users = '<b>None</b>';
                }
                
                $output = __gettext('Using email notification').': '.$emailed_users.'<br /><br />';
                $output .= __gettext('Using web-only notification').': '.$activity_users;
                
                $body .= templates_draw(array ('context' => 'databoxvertical','name' => __gettext('Send to') . ':','contents' => $output));
        
            }           
        
            $body.= templates_draw(array ('context' => 'databoxvertical','name' => __gettext('Message Subject') . ':','contents' => display_input_field(array ("message_subject","","text"))));
            $body.= templates_draw(array ( 'context' => 'databoxvertical', 'name' =>  __gettext('Message Body') . ':', 'contents' => display_input_field(array ( "message_text", "", "weblogtext" ) )));
            $body.="<input type=\"submit\" name=\"submit\" VALUE=\"" . __gettext("Send") . "\"></form><br><br><br>";
            run('admin:broadcast:body',array(array("message_text")));
        }
    } else {
        //render the list to choose from and post back to this page....
        $profile_field_select = broadcast_get_profile_field_select();
        $body .= '<form action="'.$CFG->wwwroot.'mod/broadcast/broadcast_start.php" method="post" >'."\n";
        $body .= '<input type="hidden" name="action" value="submit">'."\n";
        if ($cid) {
            $title = __gettext("Broadcast to").' "'.user_info('name',intval($cid)).'"';
            $body .= '<input type="hidden" name="cid" value="'.$cid.'">'."\n";
        } else {
            $thesql='SELECT * FROM ' . $CFG->prefix . 'users u
                    WHERE u.user_type = "community" AND u.active="yes" ORDER by u.ident';
            $output = "<select name=\"cid\" id=\"cid\">";
            $output .= "<option value=\"0\" selected=selected> </option>";
            $output .= "<option value=\"*\">ALL USERS</option>";
            $communities = get_records_sql($thesql);
            foreach($communities as $community) {
                $output.="<option value=\"" . $community->ident . "\">" . $community->name . "</option>";
            }
            $output.="</select> ";
            $body .= templates_draw(array ('context' => 'databoxvertical','name' => __gettext('Select community to broadcast to') . ': ','contents' => $output));
        }
        if ($profile_field_select) {
            /*$output .="<br />\n";
            $output .= '<div class="fieldname">';
            $output .= '<h3>'.."</h3>\n";
            $output .= '</div>'."\n"; */
            $output = $profile_field_select;
            $output .= " ".__gettext("to")." ";
            $output .= '<input type="text" name="profile_value" value="">'."\n";
            $body .= templates_draw(array ('context' => 'databoxvertical','name' => __gettext("Optionally restrict the mailing to people who have set the profile field") . ': ','contents' => $output));
        }
        if (isadmin($_SESSION['userid'])) {
            /*$output .= '<div class="fieldname">';
            $output .= '<h3>'.__gettext("Show recipients")."</h3>";
            $output .= '</div>'."\n";*/
            $output = '<input type="radio" name="show_recipients" value="0" checked> '.__gettext('No');
            $output .= '<input type="radio" name="show_recipients" value="1"> '.__gettext('Yes')."\n";
            $body .= templates_draw(array ('context' => 'databoxvertical','name' => __gettext("Show recipients") . ': ','contents' => $output));
        }
        $body.= '<input type="submit" value="'.__gettext("Continue...").'">';
        $body .= '</form>'."\n";
    }
} else {
    $body .= __gettext("You must be logged in to view this page.");
}

// Draw page

$body = templates_draw(array(
                'context' => 'contentholder',
                'title' => $title,
                'body' => $body
            )
            );

echo templates_page_draw( array(
                $title, $body
            )
            );
                    


function broadcast_get_profile_field_select() {
    
    global $CFG, $data;
    
    $select = '<select name="profile_field">'."\n";
    $select .= '<option value=""></option>';
    include_once($CFG->dirroot.'mod/profile/profile.config.php');
    if (isset($data['profile:details'])) {
        foreach($data['profile:details'] as $pd) {
            if (empty($pd->user_type) || $pd->user_type == 'person') {
                $select .= "<option value=\"{$pd->internal_name}\">{$pd->name}</option>\n";
            }
        }
    }
    $select .= "</select>\n";
    
    return $select;            
}
        
?>