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<?php |
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namespace PhalconExt\Db; |
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use PhalconExt\Di\ProvidesDi; |
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/** |
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* A cross platform extension to phalcon db adapter. |
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* |
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* @author Jitendra Adhikari <[email protected]> |
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* @license MIT |
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* |
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* @link https://github.com/adhocore/phalcon-ext |
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*/ |
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trait Extension |
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{ |
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use ProvidesDi; |
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// Implemented by \Phalcon\Db\Adapter. |
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abstract public function updateAsDict($table, $data, $conditions = null, $dataTypes = null); |
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abstract public function insertAsDict($table, $data, $dataTypes = null); |
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/** |
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* Update a row matching given criteria if exists or insert new one. |
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* |
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* @param string $table The table to act upon. |
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* @param array $data The actual data dict ([field => value]) to update/insert. |
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* @param array $criteria The criteria dict ([field => value]) to match updatable row. |
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* |
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* @throws \InvalidArgumentException When the criteria is insufficient. |
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* |
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* @return bool |
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*/ |
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public function upsert(string $table, array $data, array $criteria): bool |
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{ |
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if (empty($data)) { |
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return false; |
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} |
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// Doesnt exist, insert new! |
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if (0 === $count = $this->countBy($table, $criteria)) { |
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return $this->insertAsDict($table, $data + $criteria); |
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} |
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// Ambiguous, multiple rows exist! |
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if ($count > 1) { |
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throw new \InvalidArgumentException('The criteria is not enough to fetch a single row for update!'); |
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} |
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list($conditions, $bind) = $this->clauseBinds($criteria); |
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// Update the existing data by criteria! |
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return $this->updateAsDict($table, $data, \compact('conditions', 'bind')); |
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} |
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/** |
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* Count rows in db table using given criteria. |
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* |
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* @param string $table |
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* @param array $criteria Col=>Val pairs |
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* |
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* @return int |
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*/ |
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public function countBy(string $table, array $criteria): int |
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{ |
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if (empty($criteria)) { |
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return 0; |
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} |
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list($clause, $binds) = $this->clauseBinds($criteria); |
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return $this->fetchColumn("SELECT COUNT(1) FROM {$table} WHERE $clause", $binds) ?: 0; |
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} |
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/** |
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* Prepare clause and Binds using data dict. |
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* |
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* @param array $dict Col=>Val pairs |
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* @param bool $named Whether to use named placeholder. |
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* |
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* @return array ['clause', [binds]] |
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*/ |
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public function clauseBinds(array $dict, bool $named = false): array |
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{ |
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$fields = []; |
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foreach ($dict as $key => $value) { |
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$fields[] = $named ? "$key = :$key" : "$key = ?"; |
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} |
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return [ |
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\implode(' AND ', $fields), |
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$named ? $dict : \array_values($dict), |
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]; |
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} |
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/** |
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* Insert bulk data to a table in single query. |
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* |
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* @param string $table |
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* @param array $data |
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* |
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* @return bool |
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*/ |
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public function insertAsBulk(string $table, array $data): bool |
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{ |
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$binds = []; |
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$columns = $this->getInclusiveColumns($data); |
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$default = \array_fill_keys($columns, null); |
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foreach ($data as $row) { |
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$row = \array_merge($default, $row); |
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$binds = \array_merge($binds, \array_values($row)); |
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} |
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$sql = "INSERT INTO {$table} (" . \implode(',', $columns) . ') VALUES '; |
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$set = '(' . \rtrim(\str_repeat('?,', \count($columns)), ',') . ')'; |
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$sql .= \rtrim(\str_repeat($set . ',', \count($data)), ','); |
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return $this->execute($sql, $binds); |
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} |
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/** |
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* Get inclusive columns from multiple unbalanced/unorderd data dicts. |
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* |
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* @param array $data |
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* |
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* @return array |
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*/ |
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public function getInclusiveColumns(array $data): array |
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{ |
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$columns = []; |
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foreach (\array_filter($data, 'is_array') as $row) { |
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$columns = \array_merge($columns, \array_keys($row)); |
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} |
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$columns = \array_unique($columns); |
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\sort($columns); |
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return $columns; |
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} |
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/** |
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* Register sql logger. |
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* |
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* @param array $config |
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* |
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* @return self |
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*/ |
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public function registerLogger(array $config): self |
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{ |
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$evm = $this->di('eventsManager'); |
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$evm->attach('db', new Logger($config)); |
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$this->setEventsManager($evm); |
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return $this; |
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} |
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} |
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adhocore /
phalcon-ext
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