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Make results consistent in RPC replies

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Add RPC v3 which always returns a list of objects in RPC responses,
regardless of the request type. An empty list is returned when an error
occurs. The error message is moved to a separate "error" field.

Fixes FS#40963.

Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>
This commit is contained in:
Lukas Fleischer 2014-06-25 12:10:15 +02:00
parent 91e6b5cb2f
commit 65129ce9c3
1 changed files with 28 additions and 13 deletions
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41
web/lib/aurjson.class.php
View file

@ -61,7 +61,7 @@ class AurJSON {
if (isset($http_data['v'])) {
$this->version = intval($http_data['v']);
}
if ($this->version < 1 || $this->version > 2) {
if ($this->version < 1 || $this->version > 3) {
return $this->json_error('Invalid version specified.');
}
@ -109,7 +109,11 @@ class AurJSON {
*/
private function json_error($msg) {
header('content-type: application/json');
return $this->json_results('error', 0, $msg);
if ($this->version < 3) {
return $this->json_results('error', 0, $msg, NULL);
} elseif ($this->version >= 3) {
return $this->json_results('error', 0, array(), $msg);
}
}
/*
@ -117,16 +121,23 @@ class AurJSON {
*
* @param $type The response method type.
* @param $data The result data to return
* @param $error An error message to include in the response
*
* @return mixed A json formatted result response.
*/
private function json_results($type, $count, $data) {
return json_encode(array(
private function json_results($type, $count, $data, $error) {
$json_array = array(
'version' => $this->version,
'type' => $type,
'resultcount' => $count,
'results' => $data
));
);
if ($error) {
$json_array['error'] = $error;
}
return json_encode($json_array);
}
private function get_extended_fields($pkgid) {
@ -195,7 +206,7 @@ class AurJSON {
"WHERE ${where_condition} " .
"GROUP BY Packages.ID " .
"LIMIT $MAX_RPC_RESULTS";
} elseif ($this->version == 2) {
} elseif ($this->version >= 2) {
$fields = implode(',', self::$fields_v2);
$query = "SELECT {$fields} " .
"FROM Packages LEFT JOIN PackageBases " .
@ -225,14 +236,18 @@ class AurJSON {
$row[$field] = intval($row[$field]);
}
if ($this->version == 2 && ($type == 'info' || $type == 'multiinfo')) {
if ($this->version >= 2 && ($type == 'info' || $type == 'multiinfo')) {
$row = array_merge($row, $this->get_extended_fields($row['ID']));
}
if ($type == 'info') {
$search_data = $row;
break;
} else {
if ($this->version < 3) {
if ($type == 'info') {
$search_data = $row;
break;
} else {
array_push($search_data, $row);
}
} elseif ($this->version >= 3) {
array_push($search_data, $row);
}
}
@ -241,9 +256,9 @@ class AurJSON {
return $this->json_error('Too many package results.');
}
return $this->json_results($type, $resultcount, $search_data);
return $this->json_results($type, $resultcount, $search_data, NULL);
} else {
return $this->json_results($type, 0, array());
return $this->json_results($type, 0, array(), NULL);
}
}