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158 lines
6.4 KiB
158 lines
6.4 KiB
3 years ago
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<?php
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class MySQL {
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public function __construct() {
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try {
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$this->_db = new PDO('mysql:dbname=' . DB_NAME . ';host=' . DB_HOST . ';port=' . DB_PORT . ';charset=utf8', DB_USERNAME, DB_PASSWORD, [PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8']);
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$this->_db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
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$this->_db->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);
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$this->_db->setAttribute(PDO::ATTR_TIMEOUT, 600);
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} catch(PDOException $e) {
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trigger_error($e->getMessage());
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}
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}
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public function getNamespaceName($namehash) {
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try {
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$query = $this->_db->prepare('SELECT `data`.`value` AS `value`
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FROM `data`
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JOIN `namespace` ON (`namespace`.`nameSpaceId` = `data`.`nameSpaceId`)
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WHERE `namespace`.`hash` = ?
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AND `data`.`ns` = "1"
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AND `data`.`deleted` = "0"
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ORDER BY `data`.`blockId` DESC
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LIMIT 1');
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$query->execute([$namehash]);
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return $query->rowCount() ? $query->fetch()['value'] : [];
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} catch(PDOException $e) {
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trigger_error($e->getMessage());
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return false;
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}
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}
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public function getData($namehash = false, $txid = false, $search = false, $start = 0, $limit = 10) {
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try {
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if ($txid) {
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$query = $this->_db->prepare('SELECT `block`.`blockId` AS `block`,
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`namespace`.`hash` AS `namehash`,
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`data`.`time` AS `time`,
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`data`.`key` AS `key`,
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`data`.`value` AS `value`,
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`data`.`txid` AS `txid`
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FROM `data`
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JOIN `block` ON (`block`.`blockId` = `data`.`blockId`)
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JOIN `namespace` ON (`namespace`.`nameSpaceId` = `data`.`nameSpaceId`)
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WHERE `data`.`txid` = ?
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AND `data`.`ns` = "0"
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AND `data`.`deleted` = "0"
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ORDER BY `block`.`blockId` DESC
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LIMIT ' . (int) $start . ',' . (int) $limit);
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$query->execute([$txid]);
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} else if ($namehash) {
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$query = $this->_db->prepare('SELECT `block`.`blockId` AS `block`,
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`namespace`.`hash` AS `namehash`,
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`data`.`time` AS `time`,
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`data`.`key` AS `key`,
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`data`.`value` AS `value`,
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`data`.`txid` AS `txid`
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FROM `data`
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JOIN `block` ON (`block`.`blockId` = `data`.`blockId`)
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JOIN `namespace` ON (`namespace`.`nameSpaceId` = `data`.`nameSpaceId`)
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WHERE `namespace`.`hash` = ?
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AND `data`.`ns` = "0"
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AND `data`.`deleted` = "0"
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ORDER BY `block`.`blockId` DESC
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LIMIT ' . (int) $start . ',' . (int) $limit);
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$query->execute([$namehash]);
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} else if ($search) {
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$query = $this->_db->prepare('SELECT `block`.`blockId` AS `block`,
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`namespace`.`hash` AS `namehash`,
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`data`.`time` AS `time`,
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`data`.`key` AS `key`,
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`data`.`value` AS `value`,
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`data`.`txid` AS `txid`
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FROM `data`
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JOIN `block` ON (`block`.`blockId` = `data`.`blockId`)
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JOIN `namespace` ON (`namespace`.`nameSpaceId` = `data`.`nameSpaceId`)
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WHERE (`data`.`key` LIKE :search
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OR `data`.`value` LIKE :search
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OR `block`.`blockId` LIKE :search
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OR `namespace`.`hash` LIKE :search
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OR `data`.`txid` LIKE :search)
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AND `data`.`ns` = "0"
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AND `data`.`deleted` = "0"
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ORDER BY `block`.`blockId` DESC');
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$query->bindValue(':search', '%' . $search . '%', PDO::PARAM_STR);
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$query->execute();
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} else {
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$query = $this->_db->prepare('SELECT `block`.`blockId` AS `block`,
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`namespace`.`hash` AS `namehash`,
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`data`.`time` AS `time`,
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`data`.`key` AS `key`,
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`data`.`value` AS `value`,
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`data`.`txid` AS `txid`
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FROM `data`
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JOIN `block` ON (`block`.`blockId` = `data`.`blockId`)
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JOIN `namespace` ON (`namespace`.`nameSpaceId` = `data`.`nameSpaceId`)
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WHERE `data`.`ns` = "0"
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AND `data`.`deleted` = "0"
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ORDER BY `block`.`blockId` DESC
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LIMIT ' . (int) $start . ',' . (int) $limit);
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$query->execute();
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}
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return $query->rowCount() ? $query->fetchAll() : [];
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} catch(PDOException $e) {
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trigger_error($e->getMessage());
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return false;
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}
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}
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}
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