Adds participant search page and filters

CHANGELOG.md

@@ -21,6 +21,7 @@ All notable changes to this project will be documented in this file.
 - Added search filter for conferences with time, ID and name
 - Added front page widgets
 - Added demo installation on https://work.lindeas.com/jilo-web-demo/
+- Added participant search page
 
 ### Changed
 

public_html/classes/participant.php

@@ -0,0 +1,124 @@
+<?php
+
+class Participant {
+    private $db;
+    private $queries;
+
+    public $jitsi_component;
+    public $start;
+    public $end;
+    public $participant_id;
+    public $conference_name;
+    public $participants;
+    public $name_count;
+    public $conference_host;
+
+    public function __construct($database) {
+        $this->db = $database->getConnection();
+        $this->queries = include('queries.php');
+    }
+
+
+    // search/list specific participant ID
+    public function conferenceByParticipantId($participant_id, $from_time, $until_time) {
+
+        // time period drill-down
+        // FIXME make it similar to the bash version
+        if (empty($from_time)) {
+            $from_time = '0000-01-01';
+        }
+        if (empty($until_time)) {
+            $until_time = '9999-12-31';
+        }
+
+        // this is needed for compatibility with the bash version, so we use '%s' placeholders
+        $from_time = htmlspecialchars(strip_tags($from_time));
+        $until_time = htmlspecialchars(strip_tags($until_time));
+        $sql = $this->queries['conference_by_participant_id'];
+        $sql = sprintf($sql, $participant_id, $from_time, $until_time, $participant_id, $from_time, $until_time);
+
+        $query = $this->db->prepare($sql);
+        $query->execute();
+
+        return $query->fetchAll(PDO::FETCH_ASSOC);
+    }
+
+
+    // search/list specific participant name (stats_id)
+    public function conferenceByParticipantName($participant_name, $from_time, $until_time) {
+
+        // time period drill-down
+        // FIXME make it similar to the bash version
+        if (empty($from_time)) {
+            $from_time = '0000-01-01';
+        }
+        if (empty($until_time)) {
+            $until_time = '9999-12-31';
+        }
+
+        // this is needed for compatibility with the bash version, so we use '%s' placeholders
+        $from_time = htmlspecialchars(strip_tags($from_time));
+        $until_time = htmlspecialchars(strip_tags($until_time));
+        $sql = $this->queries['participant_by_stats_id'];
+        $sql = sprintf($sql, $participant_name, $from_time, $until_time, $participant_name, $from_time, $until_time);
+
+        $query = $this->db->prepare($sql);
+        $query->execute();
+
+        return $query->fetchAll(PDO::FETCH_ASSOC);
+    }
+
+
+    // search/list specific participant IP
+    public function conferenceByParticipantIP($participant_ip, $from_time, $until_time) {
+
+        // time period drill-down
+        // FIXME make it similar to the bash version
+        if (empty($from_time)) {
+            $from_time = '0000-01-01';
+        }
+        if (empty($until_time)) {
+            $until_time = '9999-12-31';
+        }
+
+        // this is needed for compatibility with the bash version, so we use '%s' placeholders
+        $from_time = htmlspecialchars(strip_tags($from_time));
+        $until_time = htmlspecialchars(strip_tags($until_time));
+        $sql = $this->queries['participant_by_ip'];
+        $sql = sprintf($sql, $participant_ip, $from_time, $until_time, $participant_ip, $from_time, $until_time);
+
+        $query = $this->db->prepare($sql);
+        $query->execute();
+
+        return $query->fetchAll(PDO::FETCH_ASSOC);
+    }
+
+
+    // list of all conferences
+    public function participantsAll($from_time, $until_time) {
+
+        // time period drill-down
+        // FIXME make it similar to the bash version
+        if (empty($from_time)) {
+            $from_time = '0000-01-01';
+        }
+        if (empty($until_time)) {
+            $until_time = '9999-12-31';
+        }
+
+        // this is needed for compatibility with the bash version, so we use '%s' placeholders
+        $from_time = htmlspecialchars(strip_tags($from_time));
+        $until_time = htmlspecialchars(strip_tags($until_time));
+        $sql = $this->queries['participants_all'];
+        $sql = sprintf($sql, $from_time, $until_time);
+
+        $query = $this->db->prepare($sql);
+        $query->execute();
+
+        return $query->fetchAll(PDO::FETCH_ASSOC);
+    }
+
+
+}
+
+?>

public_html/classes/queries.php

@@ -139,6 +139,157 @@ WHERE
     c.conference_name = '%s'
 AND (event_time >= '%s 00:00:00' AND event_time <= '%s 23:59:59')
 
+ORDER BY
+    pe.time;",
+
+
+    // list all participants
+    'participants_all' => "
+SELECT DISTINCT
+    p.jitsi_component, p.endpoint_id, p.conference_id
+FROM
+    participants p
+JOIN
+    participant_events pe ON p.endpoint_id = pe.participant_id
+WHERE
+    pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59'
+ORDER BY p.id;",
+
+
+    // list conferences where participant ID (endpoint_id) is found
+    'conference_by_participant_id' => "
+SELECT
+    pe.time,
+    c.conference_id,
+    c.conference_name,
+    c.conference_host,
+    pe.loglevel,
+    pe.event_type,
+    p.endpoint_id AS participant_id,
+    pe.event_param
+FROM
+    conferences c
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+LEFT JOIN
+    participants p ON c.conference_id = p.conference_id
+LEFT JOIN
+    participant_events pe ON p.endpoint_id = pe.participant_id
+WHERE
+    p.endpoint_id = '%s'
+AND (pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59')
+
+UNION
+
+SELECT
+    ce.time AS event_time,
+    c.conference_id,
+    c.conference_name,
+    c.conference_host,
+    ce.loglevel,
+    ce.conference_event AS event_type,
+    NULL AS participant_id,
+    ce.conference_param AS event_param
+FROM
+    conferences c
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+WHERE
+    participant_id = '%s'
+AND (event_time >= '%s 00:00:00' AND event_time <= '%s 23:59:59')
+
+ORDER BY
+    pe.time;",
+
+
+    // list conferences where participant name (stats_id) is found
+    'participant_by_stats_id' => "
+SELECT
+    pe.time,
+    c.conference_id,
+    c.conference_name,
+    c.conference_host,
+    pe.loglevel,
+    pe.event_type,
+    p.endpoint_id AS participant_id,
+    pe.event_param
+FROM
+    conferences c
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+LEFT JOIN
+    participants p ON c.conference_id = p.conference_id
+LEFT JOIN
+    participant_events pe ON p.endpoint_id = pe.participant_id
+WHERE
+    pe.event_type = 'stats_id' AND pe.event_param LIKE '%%%s%%'
+AND (pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59')
+
+UNION
+
+SELECT
+    ce.time AS event_time,
+    c.conference_id,
+    c.conference_name,
+    c.conference_host,
+    ce.loglevel,
+    ce.conference_event AS event_type,
+    NULL AS participant_id,
+    ce.conference_param AS event_param
+FROM
+    conferences c
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+WHERE
+    event_type = 'stats_id' AND event_param LIKE '%%%s%%'
+AND (event_time >= '%s 00:00:00' AND event_time <= '%s 23:59:59')
+
+ORDER BY
+    pe.time;",
+
+
+    // list conferences where participant IP is found
+    'participant_by_ip' => "
+SELECT
+    pe.time,
+    c.conference_id,
+    c.conference_name,
+    c.conference_host,
+    pe.loglevel,
+    pe.event_type,
+    p.endpoint_id AS participant_id,
+    pe.event_param
+FROM
+    conferences c
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+LEFT JOIN
+    participants p ON c.conference_id = p.conference_id
+LEFT JOIN
+    participant_events pe ON p.endpoint_id = pe.participant_id
+WHERE
+    pe.event_type = 'pair selected' AND pe.event_param = '%s'
+AND (pe.time >= '%s 00:00:00' AND pe.time <= '%s 23:59:59')
+
+UNION
+
+SELECT
+    ce.time AS event_time,
+    c.conference_id,
+    c.conference_name,
+    c.conference_host,
+    ce.loglevel,
+    ce.conference_event AS event_type,
+    NULL AS participant_id,
+    ce.conference_param AS event_param
+FROM
+    conferences c
+LEFT JOIN
+    conference_events ce ON c.conference_id = ce.conference_id
+WHERE
+    event_type = 'pair selected' AND event_param = '%s'
+AND (event_time >= '%s 00:00:00' AND event_time <= '%s 23:59:59')
+
 ORDER BY
     pe.time;",
 

public_html/index.php

@@ -26,6 +26,7 @@ $allowed_urls = [
     'profile',
     'config',
     'conferences',
+    'participants',
 ];
 
 // cnfig file

public_html/pages/conferences.php

@@ -115,12 +115,20 @@ if (isset($conference_id)) {
         //table rows
         foreach ($conferences['records'] as $row) {
             echo "\t\t<tr>\n";
+            $stats_id = false;
+            $participant_ip = false;
+            if ($row['event'] === 'stats_id') $stats_id = true;
+            if ($row['event'] === 'pair selected') $participant_ip = true;
             // sometimes $column is empty, we make it '' then
             foreach ($row as $key => $column) {
                 if ($key === 'conference ID' && $column === $conference_id) {
                     echo "\t\t\t<td><strong>" . htmlspecialchars($column ?? '') . "</strong></td>\n";
                 } elseif ($key === 'conference name') {
                     echo "\t\t\t<td><a href=\"$app_root?page=conferences&name=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
+                } elseif ($stats_id && $key === 'parameter') {
+                    echo "\t\t\t<td><a href=\"$app_root?page=participants&name=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
+                } elseif ($participant_ip && $key === 'parameter') {
+                    echo "\t\t\t<td><a href=\"$app_root?page=participants&ip=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
                 } else {
                     echo "\t\t\t<td>" . htmlspecialchars($column ?? '') . "</td>\n";
                 }
@@ -203,12 +211,22 @@ if (isset($conference_id)) {
         //table rows
         foreach ($conferences['records'] as $row) {
             echo "\t\t<tr>\n";
+            $stats_id = false;
+            $participant_ip = false;
+            if ($row['event'] === 'stats_id') $stats_id = true;
+            if ($row['event'] === 'pair selected') $participant_ip = true;
             // sometimes $column is empty, we make it '' then
             foreach ($row as $key => $column) {
                 if ($key === 'conference name' && $column === $conference_name) {
                     echo "\t\t\t<td><strong>" . htmlspecialchars($column ?? '') . "</strong></td>\n";
                 } elseif ($key === 'conference ID') {
                     echo "\t\t\t<td><a href=\"$app_root?page=conferences&id=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
+                } elseif ($key === 'participant ID') {
+                    echo "\t\t\t<td><a href=\"$app_root?page=participants&id=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
+                } elseif ($stats_id && $key === 'parameter') {
+                    echo "\t\t\t<td><a href=\"$app_root?page=participants&name=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
+                } elseif ($participant_ip && $key === 'parameter') {
+                    echo "\t\t\t<td><a href=\"$app_root?page=participants&ip=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
                 } else {
                     echo "\t\t\t<td>" . htmlspecialchars($column ?? '') . "</td>\n";
                 }

public_html/pages/participants.php

@@ -0,0 +1,420 @@
+<?php
+
+require_once 'classes/database.php';
+require 'classes/participant.php';
+
+// FIXME move thi sto a special function
+$time_range_specified = false;
+if (!isset($_REQUEST['from_time']) || (isset($_REQUEST['from_time']) && $_REQUEST['from_time'] == '')) {
+    $from_time = '0000-01-01';
+} else {
+    $from_time = $_REQUEST['from_time'];
+    $time_range_specified = true;
+}
+if (!isset($_REQUEST['until_time']) || (isset($_REQUEST['until_time']) && $_REQUEST['until_time'] == '')) {
+    $until_time = '9999-12-31';
+} else {
+    $until_time = $_REQUEST['until_time'];
+    $time_range_specified = true;
+}
+
+// participant id/name/IP are specified when searching specific participant(s)
+// participant name - this is 'stats_id' in the db
+// either id, name, OR IP - in that order
+// we use $_REQUEST, so that both links and forms work
+if (isset($_REQUEST['id']) && $_REQUEST['id'] != '') {
+    $participant_id = $_REQUEST['id'];
+    unset($_REQUEST['name']);
+    unset($participant_name);
+} elseif (isset($_REQUEST['name']) && $_REQUEST['name'] != '') {
+    unset($participant_id);
+    $participant_name = $_REQUEST['name'];
+} elseif (isset($_REQUEST['ip']) && $_REQUEST['ip'] != '') {
+    unset($participant_id);
+    $participant_ip = $_REQUEST['ip'];
+} else {
+    unset($participant_id);
+    unset($participant_name);
+}
+
+// connect to database
+try {
+    $db = new Database($config['jilo_database']);
+} catch (Exception $e) {
+    $error = 'Error: ' . $e->getMessage();
+    include 'templates/message.php';
+    exit();
+}
+
+
+//
+// Participant listings
+//
+
+
+// search and list specific participant ID
+if (isset($participant_id)) {
+
+    try {
+        $participant = new Participant($db);
+
+        // prepare the result
+        $search = $participant->conferenceByParticipantId($participant_id, $from_time, $until_time, $participant_id, $from_time, $until_time);
+
+        if (!empty($search)) {
+            $conferences = array();
+            $conferences['records'] = array();
+
+            foreach ($search as $item) {
+                extract($item);
+                $conference_record = array(
+                    // assign title to the field in the array record
+                    'time'		=> $time,
+                    'conference ID'	=> $conference_id,
+                    'conference name'	=> $conference_name,
+                    'conference host'	=> $conference_host,
+                    'loglevel'		=> $loglevel,
+                    'participant ID'	=> $participant_id,
+                    'event'		=> $event_type,
+                    'parameter'		=> $event_param
+                );
+                // populate the result array
+                array_push($conferences['records'], $conference_record);
+            }
+        }
+
+    } catch (Exception $e) {
+        $error = 'Error: ' . $e->getMessage();
+        include 'templates/message.php';
+        exit();
+    }
+
+    // display the result
+    echo "<div class=\"results-header\">\n";
+    echo "<div class=\"results-message\">Conferences with participant ID matching \"<strong>$participant_id</strong>\"";
+    if ($time_range_specified) {
+        echo "<br />for the time period <strong>$from_time - $until_time</strong>";
+    }
+    echo "</div>\n\n";
+
+    // filters - time selection and sorting dropdowns
+    include 'templates/results-filter.php';
+
+    echo "</div>\n\n";
+
+    // results table
+    echo "<div class=\"results\">\n";
+
+    if (!empty($conferences['records'])) {
+
+        echo "\t<table>\n";
+        echo "\t\t<tr>\n";
+
+        // table headers
+        foreach (array_keys($conferences['records'][0]) as $header) {
+            echo "\t\t\t<th>" . htmlspecialchars($header) . "</th>\n";
+        }
+        echo "\t\t</tr>\n";
+
+        //table rows
+        foreach ($conferences['records'] as $row) {
+            echo "\t\t<tr>\n";
+            $stats_id = false;
+            $participant_ip = false;
+            if ($row['event'] === 'stats_id') $stats_id = true;
+            if ($row['event'] === 'pair selected') $participant_ip = true;
+            // sometimes $column is empty, we make it '' then
+            foreach ($row as $key => $column) {
+                if ($key === 'participant ID' && $column === $participant_id) {
+                    echo "\t\t\t<td><strong>" . htmlspecialchars($column ?? '') . "</strong></td>\n";
+                } elseif ($key === 'conference ID') {
+                    echo "\t\t\t<td><a href=\"$app_root?page=conferences&id=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
+                } elseif ($key === 'conference name') {
+                    echo "\t\t\t<td><a href=\"$app_root?page=conferences&name=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
+                } elseif ($stats_id && $key === 'parameter') {
+                    echo "\t\t\t<td><a href=\"$app_root?page=participants&name=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
+                } elseif ($participant_ip && $key === 'parameter') {
+                    echo "\t\t\t<td><a href=\"$app_root?page=participants&ip=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
+                } else {
+                    echo "\t\t\t<td>" . htmlspecialchars($column ?? '') . "</td>\n";
+                }
+            }
+            echo "\t\t</tr>\n";
+        }
+
+        echo "\t</table>\n";
+
+    } else {
+        echo '<p>No matching conferences found.</p>';
+    }
+    echo "\n</div>\n";
+
+
+// search and list specific participant name (stats_id)
+} elseif (isset($participant_name)) {
+
+    try {
+        $participant = new Participant($db);
+
+        // prepare the result
+        $search = $participant->conferenceByParticipantName($participant_name, $from_time, $until_time);
+
+        if (!empty($search)) {
+            $conferences = array();
+            $conferences['records'] = array();
+
+            foreach ($search as $item) {
+                extract($item);
+                $conference_record = array(
+                    // assign title to the field in the array record
+                    'time'		=> $time,
+                    'conference ID'	=> $conference_id,
+                    'conference name'	=> $conference_name,
+                    'conference host'	=> $conference_host,
+                    'loglevel'		=> $loglevel,
+                    'participant ID'	=> $participant_id,
+                    'event'		=> $event_type,
+                    'parameter'		=> $event_param
+                );
+                // populate the result array
+                array_push($conferences['records'], $conference_record);
+            }
+        }
+
+    } catch (Exception $e) {
+        $error = 'Error: ' . $e->getMessage();
+        include 'templates/message.php';
+        exit();
+    }
+
+    // display the result
+    echo "<div class=\"results-header\">\n";
+    echo "<div class=\"results-message\">Conferences with participant name (stats_id) matching \"<strong>$participant_name</strong>\"";
+    if ($time_range_specified) {
+        echo "<br />for the time period <strong>$from_time - $until_time</strong>";
+    }
+    echo "</div>\n\n";
+
+    // filters - time selection and sorting dropdowns
+    include 'templates/results-filter.php';
+
+    echo "</div>\n\n";
+
+    // results table
+    echo "<div class=\"results\">\n";
+
+    if (!empty($conferences['records'])) {
+
+        echo "\t<table>\n";
+        echo "\t\t<tr>\n";
+
+        // table headers
+        foreach (array_keys($conferences['records'][0]) as $header) {
+            echo "\t\t\t<th>" . htmlspecialchars($header) . "</th>\n";
+        }
+        echo "\t\t</tr>\n";
+
+        //table rows
+        foreach ($conferences['records'] as $row) {
+            echo "\t\t<tr>\n";
+            // sometimes $column is empty, we make it '' then
+            foreach ($row as $key => $column) {
+                if ($key === 'parameter' && $column === $participant_name) {
+                    echo "\t\t\t<td><strong>" . htmlspecialchars($column ?? '') . "</strong></td>\n";
+                } elseif ($key === 'conference ID') {
+                    echo "\t\t\t<td><a href=\"$app_root?page=conferences&id=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
+                } elseif ($key === 'conference name') {
+                    echo "\t\t\t<td><a href=\"$app_root?page=conferences&name=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
+                } elseif ($key === 'participant ID') {
+                    echo "\t\t\t<td><a href=\"$app_root?page=participants&id=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
+                } else {
+                    echo "\t\t\t<td>" . htmlspecialchars($column ?? '') . "</td>\n";
+                }
+            }
+            echo "\t\t</tr>\n";
+        }
+
+        echo "\t</table>\n";
+
+    } else {
+        echo '<p>No matching conferences found.</p>';
+    }
+    echo "\n</div>\n";
+
+
+// search and list specific participant IP
+} elseif (isset($participant_ip)) {
+
+    try {
+        $participant = new Participant($db);
+
+        // prepare the result
+        $search = $participant->conferenceByParticipantIP($participant_ip, $from_time, $until_time);
+
+        if (!empty($search)) {
+            $conferences = array();
+            $conferences['records'] = array();
+
+            foreach ($search as $item) {
+                extract($item);
+                $conference_record = array(
+                    // assign title to the field in the array record
+                    'time'		=> $time,
+                    'conference ID'	=> $conference_id,
+                    'conference name'	=> $conference_name,
+                    'conference host'	=> $conference_host,
+                    'loglevel'		=> $loglevel,
+                    'participant ID'	=> $participant_id,
+                    'event'		=> $event_type,
+                    'parameter'		=> $event_param
+                );
+                // populate the result array
+                array_push($conferences['records'], $conference_record);
+            }
+        }
+
+    } catch (Exception $e) {
+        $error = 'Error: ' . $e->getMessage();
+        include 'templates/message.php';
+        exit();
+    }
+
+    // display the result
+    echo "<div class=\"results-header\">\n";
+    echo "<div class=\"results-message\">Conferences with participant IP matching \"<strong>$participant_ip</strong>\"";
+    if ($time_range_specified) {
+        echo "<br />for the time period <strong>$from_time - $until_time</strong>";
+    }
+    echo "</div>\n\n";
+
+    // filters - time selection and sorting dropdowns
+    include 'templates/results-filter.php';
+
+    echo "</div>\n\n";
+
+    // results table
+    echo "<div class=\"results\">\n";
+
+    if (!empty($conferences['records'])) {
+
+        echo "\t<table>\n";
+        echo "\t\t<tr>\n";
+
+        // table headers
+        foreach (array_keys($conferences['records'][0]) as $header) {
+            echo "\t\t\t<th>" . htmlspecialchars($header) . "</th>\n";
+        }
+        echo "\t\t</tr>\n";
+
+        //table rows
+        foreach ($conferences['records'] as $row) {
+            echo "\t\t<tr>\n";
+            // sometimes $column is empty, we make it '' then
+            foreach ($row as $key => $column) {
+                if ($key === 'parameter' && $column === $participant_ip) {
+                    echo "\t\t\t<td><strong>" . htmlspecialchars($column ?? '') . "</strong></td>\n";
+                } elseif ($key === 'conference ID') {
+                    echo "\t\t\t<td><a href=\"$app_root?page=conferences&id=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
+                } elseif ($key === 'conference name') {
+                    echo "\t\t\t<td><a href=\"$app_root?page=conferences&name=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
+                } elseif ($key === 'participant ID') {
+                    echo "\t\t\t<td><a href=\"$app_root?page=participants&id=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
+                } else {
+                    echo "\t\t\t<td>" . htmlspecialchars($column ?? '') . "</td>\n";
+                }
+            }
+            echo "\t\t</tr>\n";
+        }
+
+        echo "\t</table>\n";
+
+    } else {
+        echo '<p>No matching conferences found.</p>';
+    }
+    echo "\n</div>\n";
+
+
+// list of all participants (default)
+} else {
+    try {
+        $participant = new Participant($db);
+
+        // prepare the result
+        $search = $participant->participantsAll($from_time, $until_time);
+
+        if (!empty($search)) {
+            $participants = array();
+            $participants['records'] = array();
+
+            foreach ($search as $item) {
+                extract($item);
+                $participant_record = array(
+                    // assign title to the field in the array record
+                    'component'		=> $jitsi_component,
+                    'participant ID'	=> $endpoint_id,
+                    'conference ID'	=> $conference_id,
+                );
+                // populate the result array
+                array_push($participants['records'], $participant_record);
+            }
+        }
+
+    } catch (Exception $e) {
+        $error = 'Error: ' . $e->getMessage();
+        include 'templates/message.php';
+        exit();
+    }
+
+    // display the result
+    echo "<div class=\"results-header\">\n";
+    echo "<div class=\"results-message\">All participants";
+    if ($time_range_specified) {
+        echo "<br />for the time period <strong>$from_time - $until_time</strong>";
+    }
+    echo "</div>\n\n";
+
+    // filters - time selection and sorting dropdowns
+    include 'templates/results-filter.php';
+
+    echo "</div>\n\n";
+
+    // results table
+    echo "<div class=\"results\">\n";
+
+    if (!empty($participants['records'])) {
+
+        echo "\t<table>\n";
+        echo "\t\t<tr>\n";
+
+        // table headers
+        foreach (array_keys($participants['records'][0]) as $header) {
+            echo "\t\t\t<th>" . htmlspecialchars($header) . "</th>\n";
+        }
+        echo "\t\t</tr>\n";
+
+        //table rows
+        foreach ($participants['records'] as $row) {
+            echo "\t\t<tr>\n";
+            // sometimes $column is empty, we make it '' then
+            foreach ($row as $key => $column) {
+                if ($key === 'participant ID') {
+                    echo "\t\t\t<td><a href=\"$app_root?page=participants&id=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
+                } elseif ($key === 'conference ID') {
+                    echo "\t\t\t<td><a href=\"$app_root?page=conferences&id=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>\n";
+                } else {
+                    echo "\t\t\t<td>" . htmlspecialchars($column ?? '') . "</td>\n";
+                }
+            }
+            echo "\t\t</tr>\n";
+        }
+
+        echo "\t</table>\n";
+
+    } else {
+        echo '<p>No matching participants found.</p>';
+    }
+    echo "\n</div>\n";
+
+}
+
+?>

public_html/static/all.css

@@ -104,16 +104,17 @@
 
 .results-header {
     display: flex;
+    justify-content: space-between;
+}
+
+.results-message {
+    width: 25%;
 }
 
 .results-message, .results-filter {
-    width: 50%;
+    padding: 10px 10px 10px 10px;
-    padding: 20px;
 }
 
-.results-filter {
-    text-align: right;
-}
 
 .widget {
     border: 1px solid gray;

public_html/templates/menu.php

@@ -5,6 +5,7 @@
 <?php if ( isset($_SESSION['username']) ) { ?>
         <li><a href="?page=config">config</a></li>
         <li><a href="?page=conferences">conferences</a></li>
+        <li><a href="?page=participants">participants</a></li>
 <?php } ?>
     </ul>
 

public_html/templates/results-filter.php

@@ -13,6 +13,10 @@
 
         <input type="text" name="name" placeholder="name"<?php if (isset($_REQUEST['name'])) echo " value=\"" . $_REQUEST['name'] . "\"" ?> />
 
+<?php if ($page == 'participants') { ?>
+        <input type="text" name="ip" placeholder="ip address"<?php if (isset($_REQUEST['ip'])) echo " value=\"" . $_REQUEST['ip'] . "\"" ?> maxlength="15" size="15" />
+<?php } ?>
+
         <button type="button" onclick="clearFilter()">clear</button>
 
         <input type="submit" value="search" />