Adds search for a specific conference name

public_html/classes/conference.php

@@ -19,7 +19,7 @@ class Conference {
     }
 
 
-    // search/list specific conference
+    // search/list specific conference ID
     public function conferenceById($conference_id, $from_time, $until_time) {
 
         // time period drill-down
@@ -44,6 +44,31 @@ class Conference {
     }
 
 
+    // search/list specific conference name
+    public function conferenceByName($conference_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['conference_by_name'];
+        $sql = sprintf($sql, $conference_name, $from_time, $until_time, $conference_name, $from_time, $until_time);
+
+        $query = $this->db->prepare($sql);
+        $query->execute();
+
+        return $query->fetchAll(PDO::FETCH_ASSOC);
+    }
+
+
     // list of all conferences
     public function conferencesAllFormatted($from_time, $until_time) {
 

public_html/classes/queries.php

@@ -94,7 +94,53 @@ WHERE
 AND (event_time >= '%s 00:00:00' AND event_time <= '%s 23:59:59')
 
 ORDER BY
-    pe.time;"
+    pe.time;",
+
+
+    // search for a conference by its name for a time period (if given)
+    'conference_by_name' => "
+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
+    c.conference_name = '%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
+    c.conference_name = '%s'
+AND (event_time >= '%s 00:00:00' AND event_time <= '%s 23:59:59')
+
+ORDER BY
+    pe.time;",
 
 
 ];

public_html/pages/conferences.php

@@ -116,7 +116,84 @@ if (isset($conference_id)) {
     }
 
 
-// list of all conferences
+// search and list specific conference ID
+} elseif (isset($conference_name)) {
+
+    try {
+        $conference = new Conference($db);
+
+        // prepare the result
+        $search = $conference->conferenceByName($conference_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: ' . $e->getMessage();
+        include 'templates/message.php';
+        exit();
+    }
+
+    // display the result
+    echo "Conferences with name matching \"<strong>$conference_name</strong>\"";
+    if ($time_range_specified) {
+        echo " for the time period <strong>$from_time - $until_time</strong>";
+    }
+
+    if (!empty($conferences['records'])) {
+
+        echo "\t<table id=\"results\">";
+        echo "\t\t<tr>";
+
+        // table headers
+        foreach (array_keys($conferences['records'][0]) as $header) {
+            echo "\t\t\t<th>" . htmlspecialchars($header) . "</th>";
+        }
+        echo "\t\t</tr>";
+
+        //table rows
+        foreach ($conferences['records'] as $row) {
+            echo "\t\t<tr>";
+            // sometimes $column is empty, we make it '' then
+            foreach ($row as $key => $column) {
+                if ($column === $conference_name) {
+                    echo "\t\t\t<td><strong>" . htmlspecialchars($column ?? '') . "</strong></td>";
+                } elseif ($key === 'conference ID') {
+                    echo "\t\t\t<td><a href=\"$app_root?page=conferences&id=" . htmlspecialchars($column ?? '') . "\">" . htmlspecialchars($column ?? '') . "</a></td>";
+                } else {
+                    echo "\t\t\t<td>" . htmlspecialchars($column ?? '') . "</td>";
+                }
+            }
+            echo "\t\t</tr>";
+        }
+
+        echo "\t</table>";
+
+    } else {
+        echo '<p>No matching conferences found.</p>';
+    }
+
+
+// list of all conferences (default)
 } else {
     try {
         $conference = new Conference($db);