Files
kiri-core/Database/Traits/Builder.php
T
2021-03-26 15:46:01 +08:00

218 lines
4.3 KiB
PHP

<?php
namespace Database\Traits;
use Database\ActiveQuery;
use Database\Base\ConditionClassMap;
use Database\Condition\HashCondition;
use Database\Condition\OrCondition;
use Database\Sql;
use Database\SqlBuilder;
use Exception;
use JetBrains\PhpStorm\Pure;
use ReflectionException;
use Snowflake\Exception\NotFindClassException;
use Snowflake\Snowflake;
/**
* Trait Builder
* @package Database\Traits
*/
trait Builder
{
/**
* @param $alias
* @return string
*/
private function builderAlias($alias): string
{
return " AS " . $alias;
}
/**
* @param $table
* @return string
* @throws Exception
*/
private function builderFrom($table): string
{
if ($table instanceof ActiveQuery) {
$table = '(' . $table->toSql() . ')';
}
return " FROM " . $table;
}
/**
* @param $join
* @return string
*/
#[Pure] private function builderJoin($join): string
{
if (!empty($join)) {
return ' ' . implode(' ', $join);
}
return '';
}
/**
* @param null $select
* @return string
*/
#[Pure] private function builderSelect($select = NULL): string
{
if (empty($select)) {
return "SELECT *";
}
if (is_array($select)) {
return "SELECT " . implode(',', $select);
} else {
return "SELECT " . $select;
}
}
/**
* @param $group
* @return string
*/
private function builderGroup($group): string
{
if (empty($group)) {
return '';
}
return ' GROUP BY ' . $group;
}
/**
* @param $order
* @return string
*/
#[Pure] private function builderOrder($order): string
{
if (!empty($order)) {
return ' ORDER BY ' . implode(',', $order);
} else {
return '';
}
}
/**
* @param ActiveQuery|Sql $query
* @return string
*/
#[Pure] private function builderLimit(ActiveQuery|Sql $query): string
{
if (!is_numeric($query->limit) || $query->limit < 1) {
return "";
}
if ($query->offset !== null) {
return ' LIMIT ' . $query->offset . ',' . $query->limit;
}
return ' LIMIT ' . $query->limit;
}
/**
* @param $where
* @return string
* @throws Exception
*/
private function where($where): string
{
$_tmp = [];
if (empty($where)) return '';
if (is_string($where)) return $where;
foreach ($where as $key => $value) {
$_value = $this->resolveCondition($key, $value, $_tmp);
if (empty($_value)) continue;
$_tmp[] = $_value;
}
if (!empty($_tmp)) {
return implode(' AND ', $_tmp);
}
return '';
}
/**
* @param $field
* @param $condition
* @param $_tmp
* @return string
* @throws NotFindClassException
* @throws ReflectionException
*/
private function resolveCondition($field, $condition, $_tmp): string
{
if (is_string($field)) {
$_value = sprintf('%s = \'%s\'', $field, $condition);
} else if (is_string($condition)) {
$_value = $condition;
} else {
$_value = $this->_arrayMap($condition, $_tmp);
}
return $_value;
}
/**
* @param $condition
* @param $array
* @return string
* @throws NotFindClassException
* @throws ReflectionException
* @throws ReflectionException
*/
private function _arrayMap($condition, $array): string
{
if (!isset($condition[0])) {
return implode(' AND ', $this->_hashMap($condition));
}
$stroppier = strtoupper($condition[0]);
if (str_contains($stroppier, 'OR')) {
if (!is_string($condition[2])) {
$condition[2] = $this->_hashMap($condition[2]);
}
$builder = Snowflake::createObject(['class' => OrCondition::class, 'value' => $condition[2], 'column' => $condition[1], 'oldParams' => $array]);
} else if (isset(ConditionClassMap::$conditionMap[$stroppier])) {
$defaultConfig = ConditionClassMap::$conditionMap[$stroppier];
$create = array_merge($defaultConfig, ['column' => $condition[1], 'value' => $condition[2]]);
$builder = Snowflake::createObject($create);
} else {
$builder = Snowflake::createObject(['class' => HashCondition::class, 'value' => $condition]);
}
$array[] = $builder->builder();
return implode(' AND ', $array);
}
/**
* @param $condition
* @return array
*/
private function _hashMap($condition): array
{
$_array = [];
foreach ($condition as $key => $value) {
$value = is_numeric($value) ? $value : '\'' . $value . '\'';
if (!is_numeric($key)) {
$_array[] = sprintf('%s = %s', $key, $value);
} else {
$_array[] = $value;
}
}
return $_array;
}
}