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further enhanced error handling + added retries in case of parallel writes

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This commit is contained in:
Tom Hempel
2026-06-03 17:27:51 +02:00
parent d0daa7e937
commit fc84d55bd6
21 changed files with 184 additions and 383 deletions
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13
handlers/assignments.php
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@ -9,7 +9,7 @@ switch ($method) {
case 'GET':
try {
[$pdo, $tmpDb, $lockFp] = qdb_open(false);
[$pdo, $tmpDb, $lockFp] = qdb_open_read_or_fail();
if ($callerRole === 'admin') {
$coaches = $pdo->query(
@ -44,9 +44,7 @@ case 'GET':
qdb_discard($tmpDb, $lockFp);
json_success(['coaches' => $coaches, 'clients' => $clients]);
} catch (Throwable $e) {
if (isset($tmpDb, $lockFp)) qdb_discard($tmpDb, $lockFp);
error_log($e->getMessage());
json_error('SERVER_ERROR', 'Server error', 500);
qdb_handler_fail($e, 'assignments', null, $tmpDb ?? null, $lockFp ?? null);
}
break;
@ -61,7 +59,7 @@ case 'POST':
if (!is_array($clientCodes)) $clientCodes = [$clientCodes];
try {
[$pdo, $tmpDb, $lockFp] = qdb_open(true);
[$pdo, $tmpDb, $lockFp] = qdb_open_write_or_fail();
if ($callerRole === 'supervisor') {
$chk = $pdo->prepare("SELECT coachID FROM coach WHERE coachID = :cid AND supervisorID = :sid");
@ -92,10 +90,7 @@ case 'POST':
json_success(['assigned' => $count]);
} catch (Throwable $e) {
if (isset($pdo) && $pdo->inTransaction()) $pdo->rollBack();
if (isset($tmpDb, $lockFp)) qdb_discard($tmpDb, $lockFp);
error_log($e->getMessage());
json_error('SERVER_ERROR', 'Server error', 500);
qdb_handler_fail($e, 'assignments', $pdo ?? null, $tmpDb ?? null, $lockFp ?? null);
}
break;