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Retun 200 from ProvisioningHelper when a database exists to accommodate recreating terminated stations

This commit is contained in:
Duncan Sommerville 2015-05-14 10:51:53 -04:00 committed by Albert Santoni
parent c7aa6b3e5e
commit b50aa15587
1 changed files with 26 additions and 11 deletions
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37
airtime_mvc/application/common/ProvisioningHelper.php
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@ -10,7 +10,7 @@ class ProvisioningHelper
// Parameter values // Parameter values
private $dbuser, $dbpass, $dbname, $dbhost, $dbowner, $apikey; private $dbuser, $dbpass, $dbname, $dbhost, $dbowner, $apikey;
private $instanceId; private $instanceId;
private $station_name, $description; private $stationName, $description;
public function __construct($apikey) public function __construct($apikey)
{ {
@ -40,18 +40,14 @@ class ProvisioningHelper
if ($this->dbhost && !empty($this->dbhost)) { if ($this->dbhost && !empty($this->dbhost)) {
$this->setNewDatabaseConnection(); $this->setNewDatabaseConnection();
//if ($this->checkDatabaseExists()) {
// throw new Exception("ERROR: Airtime database already exists");
//}
if (!$this->checkDatabaseExists()) { if (!$this->checkDatabaseExists()) {
throw new Exception("ERROR: $this->dbname database does not exist."); throw new DatabaseDoesNotExistException("ERROR: $this->dbname database does not exist.");
} }
//We really want to do this check because all the Propel-generated SQL starts with "DROP TABLE IF EXISTS". //We really want to do this check because all the Propel-generated SQL starts with "DROP TABLE IF EXISTS".
//If we don't check, then a second call to this API endpoint would wipe all the tables! //If we don't check, then a second call to this API endpoint would wipe all the tables!
if ($this->checkTablesExist()) { if ($this->checkTablesExist()) {
throw new Exception("ERROR: airtime tables already exists"); throw new DatabaseAlreadyExistsException();
} }
$this->createDatabaseTables(); $this->createDatabaseTables();
@ -63,11 +59,19 @@ class ProvisioningHelper
//All we need to do is create the database tables. //All we need to do is create the database tables.
$this->initializePrefs(); $this->initializePrefs();
} catch (Exception $e) { } catch (DatabaseDoesNotExistException $e) {
http_response_code(400); http_response_code(400);
Logging::error($e->getMessage()); Logging::error($e->getMessage());
echo $e->getMessage() . PHP_EOL; echo $e->getMessage() . PHP_EOL;
return; return;
} catch (DatabaseAlreadyExistsException $e) {
// When we recreate a terminated instance, the process will fail
// if we return a 40x response here. In order to circumvent this,
// just return a 200; we still avoid dropping the existing tables
http_response_code(200);
Logging::info($e->getMessage());
echo $e->getMessage() . PHP_EOL;
return;
} }
http_response_code(201); http_response_code(201);
@ -108,7 +112,7 @@ class ProvisioningHelper
$this->dbowner = $_POST['dbowner']; $this->dbowner = $_POST['dbowner'];
$this->instanceId = $_POST['instanceid']; $this->instanceId = $_POST['instanceid'];
$this->station_name = $_POST['station_name']; $this->stationName = $_POST['station_name'];
$this->description = $_POST['description']; $this->description = $_POST['description'];
} }
@ -194,8 +198,8 @@ class ProvisioningHelper
* Initialize preference values passed from the dashboard (if any exist) * Initialize preference values passed from the dashboard (if any exist)
*/ */
private function initializePrefs() { private function initializePrefs() {
if ($this->station_name) { if ($this->stationName) {
Application_Model_Preference::SetStationName($this->station_name); Application_Model_Preference::SetStationName($this->stationName);
} }
if ($this->description) { if ($this->description) {
Application_Model_Preference::SetStationDescription($this->description); Application_Model_Preference::SetStationDescription($this->description);
@ -203,3 +207,14 @@ class ProvisioningHelper
} }
} }
class DatabaseAlreadyExistsException extends Exception {
private static $_defaultMessage = "ERROR: airtime tables already exists";
public function __construct($message = null, $code = 0, Exception $previous = null) {
$message = _((is_null($message) ? self::$_defaultMessage : $message));
parent::__construct($message, $code, $previous);
}
}
class DatabaseDoesNotExistException extends Exception {}