started work on scheduling

handlers/schedule.php

@@ -0,0 +1,31 @@
+<?php
+
+$tokenRec = require_valid_token_web();
+require_role(['admin', 'supervisor'], $tokenRec);
+
+if ($method !== 'GET') {
+    json_error('METHOD_NOT_ALLOWED', 'Method not allowed', 405);
+}
+
+try {
+    $opened = qdb_open_read_or_fail();
+    [$pdo, $tmpDb, $lockFp] = $opened;
+
+    require_once __DIR__ . '/../lib/session_schedule.php';
+    $entries = qdb_list_session_schedules_scoped($pdo, $tokenRec);
+
+    $byDate = [];
+    foreach ($entries as $entry) {
+        $date = $entry['scheduledDate'];
+        $byDate[$date][] = $entry;
+    }
+
+    qdb_discard($tmpDb, $lockFp);
+
+    json_success([
+        'entries' => $entries,
+        'byDate'  => $byDate,
+    ]);
+} catch (Throwable $e) {
+    qdb_handler_fail($e, 'Load schedule', null, $tmpDb ?? null, $lockFp ?? null);
+}