83 lines
2.2 KiB
PHP
83 lines
2.2 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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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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const PRIMARY_KEY_DEFINITION = [
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"id_" => "integer primary key autoincrement",
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];
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function _getMigration(CapacitorChannel $channel): _sqliteMigration {
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return new _sqliteMigration(cl::merge([
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$this->_createSql($channel),
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], $channel->getMigration()), $channel->getName());
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}
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function _getCreateSql(CapacitorChannel $channel): string {
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$query = new _sqliteQuery($this->_createSql($channel));
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return self::format_sql($channel, $query->getSql());
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}
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function tableExists(string $tableName): bool {
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$name = $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 $name !== null;
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}
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function channelExists(string $name): bool {
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return null !== $this->db->get([
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"select name",
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"from" => static::CHANNELS_TABLE,
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"where" => ["name" => $name],
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]);
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}
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protected function _addToChannelsSql(CapacitorChannel $channel): array {
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return cl::merge(parent::_createChannelsSql(), [
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"suffix" => "on conflict ignore",
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]);
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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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$this->_addToChannelsSql($channel);
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}
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}
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function _exists(CapacitorChannel $channel): bool {
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return $this->tableExists($channel->getTableName());
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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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