109 lines
3.2 KiB
PHP
109 lines
3.2 KiB
PHP
<?php
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class FCCDatabaseRepository extends ModelRepository
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{
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private static $_singletonInstance = null;
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public function __construct()
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{
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parent::__construct('FCCDatabase');
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}
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/**
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* Returnes an initiated PacketOgnRepository
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*
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* @return FCCDatabaseRepository
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*/
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public static function getInstance()
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{
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if (self::$_singletonInstance === null) {
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self::$_singletonInstance = new FCCDatabaseRepository();
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}
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return self::$_singletonInstance;
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}
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/**
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* Get object by id
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*
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* @param string $callsign (Callsign of the station)
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* @return FCCDatabase
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*/
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public function getObjectByCallsign($callsign = null)
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{
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if (is_null($callsign) || empty($callsign))
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{
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return new FCCDatabase(null);
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}
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$sql =
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'SELECT en.*, en.unique_system_identifier AS id, am.operator_class, am.group_code, am.region_code, am.previous_callsign, am.previous_operator_class, hd.license_status, hd.radio_service_code, hd.grant_date, hd.expired_date, hd.cancellation_date
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FROM fcc_en en
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LEFT JOIN fcc_am am ON (en.unique_system_identifier = am.unique_system_identifier)
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LEFT JOIN fcc_hd hd ON (en.unique_system_identifier = hd.unique_system_identifier)
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WHERE en.call_sign = ?
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ORDER BY en.unique_system_identifier DESC
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LIMIT 1';
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return $this->getObjectFromSql($sql, [$callsign]);
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}
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/**
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* Get object list by query string
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*
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* @param int $callsign
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* @param int $limit
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* @param int $offset
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* @return array
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*/
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public function getObjectListByQueryString($callsign, $limit=50, $offset=0)
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{
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$sql =
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'SELECT en.*, en.unique_system_identifier AS id, am.operator_class, am.group_code, am.region_code, am.previous_callsign, am.previous_operator_class, hd.license_status, hd.radio_service_code, hd.grant_date, hd.expired_date, hd.cancellation_date
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FROM fcc_en en
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LEFT JOIN fcc_am am ON (en.unique_system_identifier = am.unique_system_identifier)
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LEFT JOIN fcc_hd hd ON (en.unique_system_identifier = hd.unique_system_identifier)
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WHERE en.call_sign ILIKE ?
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ORDER BY en.unique_system_identifier DESC
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LIMIT ? OFFSET ?';
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$pdo = PDOConnection::getInstance();
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$stmt = $pdo->prepare($sql);
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$stmt->bindValue(1, "$callsign%");
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$stmt->bindValue(2, $limit);
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$stmt->bindValue(3, $offset);
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$stmt->execute();
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$records = $stmt->fetchAll(PDO::FETCH_ASSOC);
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if (is_array($records) && !empty($records)) {
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return $this->_getObjectListFromRecords($records);
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}
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// No object found, return empty array
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return [];
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}
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/**
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* Get number of objects in the object list by query string
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*
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* @param int $callsign
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* @return array
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*/
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public function getNumberOfStationsByQueryString($callsign)
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{
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$sql =
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'SELECT COUNT(*)
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FROM fcc_en
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WHERE call_sign ILIKE ?';
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$pdo = PDOConnection::getInstance();
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$stmt = $pdo->prepare($sql);
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$stmt->bindValue(1, "$callsign%");
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$stmt->execute();
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return $stmt->fetchColumn();
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}
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}
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?>
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