146 lines
5.0 KiB
PHP
146 lines
5.0 KiB
PHP
<?PHP
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/**
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* Functions for connecting to and checking other DBs.
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*
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* @file
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*
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* @author Joshua Ramon Enslin <joshua@museum-digital.de>
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*/
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if (!file_exists(__DIR__ . '/../conf/dbsToCompare.php')) return;
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/**
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* Function to connect to all versions to compare the current one with.
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* Returns an array of database connections.
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*
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* @return array<MDMysqli>
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*/
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function connectToCompareDBs():array {
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include __DIR__ . '/../conf/dbsToCompare.php';
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if (empty($dbsToCompare)) return [];
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$connections = [];
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foreach ($dbsToCompare as $key => $db) {
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$connections[$key] = md_mysqli_connect($db['hostname'], $db['username'], $db['password'], $db['databasename']);
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if (mysqli_connect_error()) {
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throw new Exception("Error connecting to database " . $db['hostname']);
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}
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}
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return $connections;
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}
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/**
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* Checks the number a given set of times appeared in eveents in a given version.
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*
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* @param array<MDMysqli> $connections Array of DB connections from which to query.
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* @param integer $timeID ID of the time entry to check.
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* @param string $currentSubset Name of the current version.
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*
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* @return array{0: integer, 1: integer}
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*/
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function checkTimes(array $connections, int $timeID, string $currentSubset):array {
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list($numberofusage, $currentAmount) = [[], 0]; // Set defaults
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foreach ($connections as $dbName => $connection) {
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$eergebnis = $connection->do_read_query("SELECT 1
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FROM `ereignis`
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WHERE `zeiten_id` = " . $connection->escape_string((string)$timeID) . "
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LIMIT 2");
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$numberofusage[$dbName] = $anzahl_ergebnis = $eergebnis->num_rows;
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if (strtolower($dbName) == strtolower($currentSubset)) $currentAmount = $anzahl_ergebnis;
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$eergebnis->close(); unset($eergebnis);
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}
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return [(int)array_sum($numberofusage), $currentAmount];
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}
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/**
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* Checks the number a given person / institution appeared in events across versions.
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*
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* @param array<MDMysqli> $connections Array of DB connections from which to query.
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* @param integer $timeID ID of the time entry to check.
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* @param string $currentSubset Name of the current version.
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*
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* @return array{0: integer, 1: integer}
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*/
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function checkPersinst(array $connections, int $timeID, string $currentSubset):array {
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list($numberofusage, $currentAmount) = [[], 0]; // Set defaults
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foreach ($connections as $dbName => $connection) {
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$eergebnis = $connection->do_read_query("SELECT 1
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FROM `ereignis`
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WHERE `persinst_id` = " . $connection->escape_string((string)$timeID) . "
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LIMIT 2");
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$numberofusage[$dbName] = $anzahl_ergebnis = $eergebnis->num_rows;
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if (strtolower($dbName) == strtolower($currentSubset)) $currentAmount = $anzahl_ergebnis;
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$eergebnis->close(); unset($eergebnis);
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}
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return [(int)array_sum($numberofusage), $currentAmount];
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}
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/**
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* Checks the number a given place appeared in events across versions.
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*
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* @param array<MDMysqli> $connections Array of DB connections from which to query.
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* @param integer $timeID ID of the time entry to check.
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* @param string $currentSubset Name of the current version.
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*
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* @return array{0: integer, 1: integer}
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*/
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function checkPlace(array $connections, int $timeID, string $currentSubset):array {
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list($numberofusage, $currentAmount) = [[], 0]; // Set defaults
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foreach ($connections as $dbName => $connection) {
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$eergebnis = $connection->do_read_query("SELECT 1
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FROM `ereignis`
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WHERE `orte_id` = " . $connection->escape_string((string)$timeID) . "
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LIMIT 2");
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$numberofusage[$dbName] = $anzahl_ergebnis = $eergebnis->num_rows;
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if (strtolower($dbName) == strtolower($currentSubset)) $currentAmount = $anzahl_ergebnis;
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$eergebnis->close(); unset($eergebnis);
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}
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return [(int)array_sum($numberofusage), $currentAmount];
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}
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/**
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* Checks the number a given tag appeared in events across versions.
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*
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* @param array<MDMysqli> $connections Array of DB connections from which to query.
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* @param integer $tagID ID of the tag entry to check.
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* @param string $currentSubset Name of the current version.
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*
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* @return array{0: integer, 1: integer}
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*/
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function checkTag(array $connections, int $tagID, string $currentSubset):array {
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list($numberofusage, $currentAmount) = [[], 0]; // Set defaults
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foreach ($connections as $dbName => $connection) {
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$eergebnis = $connection->do_read_query("SELECT 1
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FROM `v_objekt_tag2`
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WHERE `tag_id` = " . $connection->escape_string((string)$tagID) . "
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LIMIT 2");
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$numberofusage[$dbName] = $anzahl_ergebnis = $eergebnis->num_rows;
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if (strtolower($dbName) == strtolower($currentSubset)) $currentAmount = $anzahl_ergebnis;
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$eergebnis->close(); unset($eergebnis);
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}
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return [(int)array_sum($numberofusage), $currentAmount];
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}
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