65 lines
1.8 KiB
PHP
65 lines
1.8 KiB
PHP
<?php
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namespace nulib\db\sqlite;
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use nulib\cl;
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use nulib\db\CapacitorChannel;
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use nulib\db\CapacitorStorage;
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/**
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* Class SqliteStorage
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*/
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class SqliteStorage extends CapacitorStorage {
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const GENSERIAL_DEFINITION = "integer primary key autoincrement";
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function __construct($sqlite) {
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$this->db = Sqlite::with($sqlite);
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}
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protected Sqlite $db;
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function db(): Sqlite {
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return $this->db;
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}
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protected function tableExists(string $tableName): bool {
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$found = $this->db->get([
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# depuis la version 3.33.0 le nom officiel de la table est sqlite_schema,
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# mais le nom sqlite_master est toujours valable pour le moment
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"select name from sqlite_master ",
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"where" => ["name" => $tableName],
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]);
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return $found !== null;
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}
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function _getMigration(CapacitorChannel $channel): _sqliteMigration {
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$migrations = cl::merge([
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"0init" => [$this->_createSql($channel)],
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], $channel->getMigration());
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return new _sqliteMigration($migrations, $channel->getName());
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}
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protected function _addToChannelsSql(CapacitorChannel $channel): array {
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$sql = parent::_addToChannelsSql($channel);
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$sql[0] = "insert or ignore";
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return $sql;
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}
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protected function _afterCreate(CapacitorChannel $channel): void {
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$db = $this->db;
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if (!$this->tableExists(static::CHANNELS_TABLE)) {
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# ne pas créer si la table existe déjà, pour éviter d'avoir besoin d'un
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# verrou en écriture
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$db->exec($this->_createChannelsSql());
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}
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if (!$this->channelExists($channel->getName())) {
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# ne pas insérer si la ligne existe déjà, pour éviter d'avoir besoin d'un
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# verrou en écriture
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$db->exec($this->_addToChannelsSql($channel));
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}
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}
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function close(): void {
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$this->db->close();
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}
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}
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