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<?php |
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namespace WebServCo\Framework\Traits; |
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use WebServCo\Framework\AbstractDatabase as Db; |
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trait DatabaseTrait |
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{ |
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public function insert($tableName, $data = []) |
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{ |
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return $this->add(Db::QUERY_TYPE_INSERT, $tableName, $data); |
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} |
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public function insertIgnore($tableName, $data = []) |
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{ |
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return $this->add(Db::QUERY_TYPE_INSERT_IGNORE, $tableName, $data); |
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} |
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public function replace($tableName, $data = []) |
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{ |
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return $this->add(Db::QUERY_TYPE_REPLACE, $tableName, $data); |
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} |
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protected function add($queryType, $tableName, $data = []) |
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{ |
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if (empty($tableName) || empty($data)) { |
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throw new \ErrorException('No data specified'); |
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} |
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$query = $this->generateAddQuery($queryType, $tableName, $data); |
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return $this->query($query, $data); |
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} |
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public function valueExists($table, $field, $value) |
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{ |
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return (bool) $this->getColumn( |
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sprintf( |
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"SELECT 1 FROM %s WHERE %s = ? LIMIT 1", |
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$this->escapeIdentifier($table), |
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$this->escapeIdentifier($field) |
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), |
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[$value] |
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); |
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} |
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protected function getKeysValues($data = []) |
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{ |
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$multiDimensional = is_array($data[key($data)]); |
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if ($multiDimensional) { |
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$keys = array_keys(call_user_func_array('array_merge', $data)); |
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// fill any missing keys with empty data |
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$key_pair = array_combine($keys, array_fill(0, count($keys), null)); |
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$data = array_map(function ($e) use ($key_pair) { |
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return array_merge($key_pair, $e); |
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}, $data); |
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} else { |
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$keys = array_keys($data); |
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} |
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return [$keys, $data]; |
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} |
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protected function generateAddQuery($queryType, $tableName, $data) |
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{ |
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$multiDimensional = is_array($data[key($data)]); |
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list($keys, $data) = $this->getKeysValues($data); |
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switch ($queryType) { |
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case Db::QUERY_TYPE_REPLACE: |
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$query = Db::QUERY_TYPE_REPLACE . ' INTO'; |
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break; |
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case Db::QUERY_TYPE_INSERT_IGNORE: |
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$query = Db::QUERY_TYPE_INSERT_IGNORE . ' INTO'; |
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break; |
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case Db::QUERY_TYPE_INSERT: |
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default: |
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$query = Db::QUERY_TYPE_INSERT . ' INTO'; |
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break; |
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} |
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$query .= ' '.$this->escapeIdentifier($tableName).' (' . |
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implode(', ', array_map([$this, 'escapeIdentifier'], $keys)) . |
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') VALUES'; |
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if ($multiDimensional) { |
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$valuesStrings = []; |
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foreach ($data as $item) { |
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$valuesStrings[] = $this->generateValuesString($item); |
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} |
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$query .= implode(', ', $valuesStrings); |
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} else { |
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$query .= $this->generateValuesString($data); |
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} |
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return $query; |
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} |
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protected function generateValuesString($data) |
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{ |
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return ' (' . implode(', ', array_map(function ($v) { |
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return '?'; |
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}, $data)) . ')'; |
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} |
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} |
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webservco /
framework
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