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allow to set pre-condition for setValue

This commit is contained in:
Bjoern Schiessle 2014-05-06 19:18:57 +02:00 committed by Thomas Müller
parent 4b650a20a4
commit 2d83424a29
3 changed files with 71 additions and 31 deletions
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8
lib/private/legacy/preferences.php
View File

@ -84,14 +84,14 @@ class OC_Preferences{
* @param string $app app
* @param string $key key
* @param string $value value
* @return bool
* @param string $preCondition only set value if the key had a specific value before
* @return bool true if value was set, otherwise false
*
* Adds a value to the preferences. If the key did not exist before, it
* will be added automagically.
*/
public static function setValue( $user, $app, $key, $value ) {
self::$object->setValue( $user, $app, $key, $value );
return true;
public static function setValue( $user, $app, $key, $value, $preCondition = null ) {
return self::$object->setValue( $user, $app, $key, $value, $preCondition );
}
/**

38
lib/private/preferences.php
View File

@ -165,44 +165,56 @@ class Preferences {
* @param string $app app
* @param string $key key
* @param string $value value
* @param string $preCondition only set value if the key had a specific value before
* @return bool true if value was set, otherwise false
*
* Adds a value to the preferences. If the key did not exist before, it
* will be added automagically.
*/
public function setValue($user, $app, $key, $value) {
public function setValue($user, $app, $key, $value, $preCondition = null) {
// Check if the key does exist
$query = 'SELECT COUNT(*) FROM `*PREFIX*preferences`'
. ' WHERE `userid` = ? AND `appid` = ? AND `configkey` = ?';
$count = $this->conn->fetchColumn($query, array($user, $app, $key));
$exists = $count > 0;
if (!$exists) {
$affectedRows = 0;
if (!$exists && $preCondition === null) {
$data = array(
'userid' => $user,
'appid' => $app,
'configkey' => $key,
'configvalue' => $value,
);
$this->conn->insert('*PREFIX*preferences', $data);
$affectedRows = $this->conn->insert('*PREFIX*preferences', $data);
} elseif ($exists) {
$data = array($value, $user, $app, $key);
$sql = "UPDATE `*PREFIX*preferences` SET `configvalue` = ?"
. " WHERE `userid` = ? AND `appid` = ? AND `configkey` = ?";
if ($preCondition !== null) {
if (\OC_Config::getValue( 'dbtype', 'sqlite' ) === 'oci') {
//oracle hack: need to explicitly cast CLOB to CHAR for comparison
$sql .= " AND to_char(`configvalue`) = ?";
} else {
$data = array(
'configvalue' => $value,
);
$where = array(
'userid' => $user,
'appid' => $app,
'configkey' => $key,
);
$this->conn->update('*PREFIX*preferences', $data, $where);
$sql .= " AND `configvalue` = ?";
}
$data[] = $preCondition;
}
$affectedRows = $this->conn->executeUpdate($sql, $data);
}
// only add to the cache if we already loaded data for the user
if (isset($this->cache[$user])) {
if ($affectedRows > 0 && isset($this->cache[$user])) {
if (!isset($this->cache[$user][$app])) {
$this->cache[$user][$app] = array();
}
$this->cache[$user][$app][$key] = $value;
}
return ($affectedRows > 0) ? true : false;
}
/**

54
tests/lib/preferences.php
View File

@ -97,6 +97,42 @@ class Test_Preferences extends PHPUnit_Framework_TestCase {
$this->assertEquals('othervalue', $value);
}
public function testSetValueWithPreCondition() {
// remove existing key
$this->assertTrue(\OC_Preferences::deleteKey('Someuser', 'setvalueapp', 'newkey'));
// add new preference with pre-condition should fails
$this->assertFalse(\OC_Preferences::setValue('Someuser', 'setvalueapp', 'newkey', 'newvalue', 'preCondition'));
$query = \OC_DB::prepare('SELECT `configvalue` FROM `*PREFIX*preferences` WHERE `userid` = ? AND `appid` = ? AND `configkey` = ?');
$result = $query->execute(array('Someuser', 'setvalueapp', 'newkey'));
$row = $result->fetchRow();
$this->assertFalse($row);
// add new preference without pre-condition should insert the new value
$this->assertTrue(\OC_Preferences::setValue('Someuser', 'setvalueapp', 'newkey', 'newvalue'));
$query = \OC_DB::prepare('SELECT `configvalue` FROM `*PREFIX*preferences` WHERE `userid` = ? AND `appid` = ? AND `configkey` = ?');
$result = $query->execute(array('Someuser', 'setvalueapp', 'newkey'));
$row = $result->fetchRow();
$value = $row['configvalue'];
$this->assertEquals('newvalue', $value);
// wrong pre-condition, value should stay the same
$this->assertFalse(\OC_Preferences::setValue('Someuser', 'setvalueapp', 'newkey', 'othervalue', 'preCondition'));
$query = \OC_DB::prepare('SELECT `configvalue` FROM `*PREFIX*preferences` WHERE `userid` = ? AND `appid` = ? AND `configkey` = ?');
$result = $query->execute(array('Someuser', 'setvalueapp', 'newkey'));
$row = $result->fetchRow();
$value = $row['configvalue'];
$this->assertEquals('newvalue', $value);
// correct pre-condition, value should change
$this->assertTrue(\OC_Preferences::setValue('Someuser', 'setvalueapp', 'newkey', 'othervalue', 'newvalue'));
$query = \OC_DB::prepare('SELECT `configvalue` FROM `*PREFIX*preferences` WHERE `userid` = ? AND `appid` = ? AND `configkey` = ?');
$result = $query->execute(array('Someuser', 'setvalueapp', 'newkey'));
$row = $result->fetchRow();
$value = $row['configvalue'];
$this->assertEquals('othervalue', $value);
}
public function testDeleteKey() {
$this->assertTrue(\OC_Preferences::deleteKey('Deleteuser', 'deleteapp', 'deletekey'));
$query = \OC_DB::prepare('SELECT `configvalue` FROM `*PREFIX*preferences` WHERE `userid` = ? AND `appid` = ? AND `configkey` = ?');
@ -165,19 +201,11 @@ class Test_Preferences_Object extends PHPUnit_Framework_TestCase {
)
));
$connectionMock->expects($this->once())
->method('update')
->with($this->equalTo('*PREFIX*preferences'),
$this->equalTo(
array(
'configvalue' => 'v2',
)),
$this->equalTo(
array(
'userid' => 'grg',
'appid' => 'bar',
'configkey' => 'foo',
)
));
->method('executeUpdate')
->with($this->equalTo("UPDATE `*PREFIX*preferences` SET `configvalue` = ?"
. " WHERE `userid` = ? AND `appid` = ? AND `configkey` = ?"),
$this->equalTo(array('v2', 'grg', 'bar', 'foo'))
);
$preferences = new OC\Preferences($connectionMock);
$preferences->setValue('grg', 'bar', 'foo', 'v1');