87 lines
2.6 KiB
PHP
87 lines
2.6 KiB
PHP
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<?php
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include_once "./lib/exception.php";
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class Florm {
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private SQLite3 $db;
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function __construct(string $path, $migrations=[]) {
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$this->db = new SQLite3($path, SQLITE3_OPEN_CREATE | SQLITE3_OPEN_READWRITE);
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$this->_init_migrate($migrations);
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}
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function _init_migrate($migrations) {
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$this->db->exec("create table if not exists version (
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key INTEGER PRIMARY KEY CHECK (key = 0),
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version INTEGER
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)");
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$this->db->exec("insert or ignore into version (key,version) values(0,0)");
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$current_version = $this->query_int("select version from version limit 1");
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if($current_version >= count($migrations)) {
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return;
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}
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for ($x = $current_version; $x < count($migrations); $x++) {
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$this->db->exec($migrations[$x]);
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$this->exec("update version set version = :version",["version"=>$x+1]);
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}
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}
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function exec(string $query, array $bind = []): bool {
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$stmt = $this->db->prepare($query);
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foreach($bind as $key => $value) {
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$stmt->bindParam(":" . $key, $value);
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}
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$executed = $stmt->execute();
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if($executed == false) {
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return false;
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}
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$executed->finalize();
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return true;
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}
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function query_rows(string $query, array $bind = []): array {
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$stmt = $this->db->prepare($query);
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foreach($bind as $key => $value) {
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$stmt->bindParam(":" . $key, $value);
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}
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$executed = $stmt->execute();
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if($executed == false) {
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throw new ExecutionFailedException("query failed");
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}
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$tmp = $executed->fetchArray();
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$executed->finalize();
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if($tmp == false) {
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return [];
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}
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return $tmp;
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}
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function query_row(string $query, array $bind = []): array {
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$rows = $this->query_rows($query, $bind);
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if(count($rows) == 0) {
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throw new NoRowsException("no rows");
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}
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if(is_array($rows[0])) {
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return $rows[0];
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}
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return [$rows[0]];
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}
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function query_int(string $query, array $bind = []): int {
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$row = $this->query_row($query, $bind);
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if(count($row) == 0) {
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throw new InvalidTypeException("expected 1 argument, got 0");
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}
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$intvar = $row[0];
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if (!is_int($intvar)) {
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throw new InvalidTypeException("expected integer");
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}
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return $intvar;
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}
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function DB(): SQLite3 {
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return $this->db;
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}
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}
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?>
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