/**
* Delete resource link share key object.
*
* @param ResourceLinkShareKey $shareKey Resource link share key object
*
* @return boolean True if the resource link share key object was successfully deleted
*/
public function deleteResourceLinkShareKey($shareKey)
{
$sql = "DELETE FROM {$this->dbTableNamePrefix}" . DataConnector::RESOURCE_LINK_SHARE_KEY_TABLE_NAME . " WHERE share_key_id = '{$shareKey->getId()}'";
$ok = mysql_query($sql);
if ($ok) {
$shareKey->initialize();
}
return $ok;
}
/**
* Test for data_connector::deleteResourceLinkShareKey().
*/
public function test_delete_resource_link_share_key()
{
$dc = new data_connector();
$consumer = new ToolConsumer(null, $dc);
$consumer->name = 'TestName';
$consumer->setKey('TestKey');
$consumer->secret = 'TestSecret';
$consumer->save();
$resourcelink = ResourceLink::fromConsumer($consumer, 'testresourcelinkid');
$resourcelink->save();
$sharekey = new ResourceLinkShareKey($resourcelink, 'testsharelinkid');
$sharekey->save();
$this->assertTrue($dc->deleteResourceLinkShareKey($sharekey));
$controlsharekey = new ResourceLinkShareKey($resourcelink, 'testsharelinkid');
$controlsharekey->initialise();
$this->assertEquals($controlsharekey, $sharekey);
// This should no longer be in the DB.
$this->assertFalse($dc->loadResourceLinkShareKey($sharekey));
}
/**
* Delete resource link share key object.
*
* @param ResourceLinkShareKey $sharekey Resource link share key object
* @return boolean True if the resource link share key object was successfully deleted
*/
public function deleteResourceLinkShareKey($sharekey)
{
global $DB;
$DB->delete_records($this->sharekeytable, ['sharekey' => $sharekey->getId()]);
$sharekey->initialize();
return true;
}
/**
* Check if a share arrangement is in place.
*
* @return boolean True if no error is reported
*/
private function checkForShare()
{
$ok = true;
$doSaveResourceLink = true;
$id = $this->resourceLink->primaryResourceLinkId;
$shareRequest = isset($_POST['custom_share_key']) && !empty($_POST['custom_share_key']);
if ($shareRequest) {
if (!$this->allowSharing) {
$ok = false;
$this->reason = 'Your sharing request has been refused because sharing is not being permitted.';
} else {
// Check if this is a new share key
$shareKey = new ResourceLinkShareKey($this->resourceLink, $_POST['custom_share_key']);
if (!is_null($shareKey->primaryConsumerKey) && !is_null($shareKey->primaryResourceLinkId)) {
// Update resource link with sharing primary resource link details
$key = $shareKey->primaryConsumerKey;
$id = $shareKey->primaryResourceLinkId;
$ok = $key !== $this->consumer->getKey() || $id != $this->resourceLink->getId();
if ($ok) {
$this->resourceLink->primaryConsumerKey = $key;
$this->resourceLink->primaryResourceLinkId = $id;
$this->resourceLink->shareApproved = $shareKey->autoApprove;
$ok = $this->resourceLink->save();
if ($ok) {
$doSaveResourceLink = false;
$this->user->getResourceLink()->primaryConsumerKey = $key;
$this->user->getResourceLink()->primaryResourceLinkId = $id;
$this->user->getResourceLink()->shareApproved = $shareKey->autoApprove;
$this->user->getResourceLink()->updated = time();
// Remove share key
$shareKey->delete();
} else {
$this->reason = 'An error occurred initialising your share arrangement.';
}
} else {
$this->reason = 'It is not possible to share your resource link with yourself.';
}
}
if ($ok) {
$ok = !is_null($key);
if (!$ok) {
$this->reason = 'You have requested to share a resource link but none is available.';
} else {
$ok = !is_null($this->user->getResourceLink()->shareApproved) && $this->user->getResourceLink()->shareApproved;
if (!$ok) {
$this->reason = 'Your share request is waiting to be approved.';
}
}
}
}
} else {
// Check no share is in place
$ok = is_null($id);
if (!$ok) {
$this->reason = 'You have not requested to share a resource link but an arrangement is currently in place.';
}
}
// Look up primary resource link
if ($ok && !is_null($id)) {
$consumer = new ToolConsumer($key, $this->dataConnector);
$ok = !is_null($consumer->created);
if ($ok) {
$resourceLink = ResourceLink::fromConsumer($consumer, $id);
$ok = !is_null($resourceLink->created);
}
if ($ok) {
if ($doSaveResourceLink) {
$this->resourceLink->save();
}
$this->resourceLink = $resourceLink;
} else {
$this->reason = 'Unable to load resource link being shared.';
}
}
return $ok;
}
/**
* Delete resource link share key object.
*
* @param ResourceLinkShareKey $shareKey Resource link share key object
*
* @return boolean True if the resource link share key object was successfully deleted
*/
public function deleteResourceLinkShareKey($shareKey)
{
$id = $shareKey->getId();
$sql = "DELETE FROM {$this->dbTableNamePrefix}" . DataConnector::RESOURCE_LINK_SHARE_KEY_TABLE_NAME . ' WHERE share_key_id = :id';
$query = $this->db->prepare($sql);
$query->bindValue('id', $id, PDO::PARAM_STR);
$ok = $query->execute();
if ($ok) {
$shareKey->initialize();
}
return $ok;
}
