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<?php
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namespace Fathomminds\Rest\Database;
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use Fathomminds\Rest\Contracts\IFinder;
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use Fathomminds\Rest\Exceptions\RestException;
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use Fathomminds\Rest\Database\Where;
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abstract class Finder implements IFinder
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{
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protected $queryConfiguration;
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protected $resultSet;
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protected $client;
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protected $mainLogical = '&&';
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protected $validGroups = [
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'AND',
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'OR',
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];
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protected $validOperators = [
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'==',
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'!=',
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'<',
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'>',
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'<=',
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'>=',
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];
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abstract protected function createClient();
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abstract public function get();
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private function validateConditions($conditions)
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{
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foreach ($conditions as $key => $condition) {
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if (in_array(strtoupper($key), $this->validGroups)) {
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$this->validateConditions($condition);
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return;
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}
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$this->validateCondition($condition);
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}
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}
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private function validateCondition($condition)
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{
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if (count($condition) === 3) {
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$operator = $condition[1];
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if (!in_array($operator, $this->validOperators)) {
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throw new RestException('Invalid operator in where condition', [
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'operator' => $operator,
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]);
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}
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return;
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}
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throw new RestException('Invalid where condition', [
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'condition' => $condition,
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]);
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}
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public function __construct($client = null)
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{
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$this->queryConfiguration = new FinderQueryConfiguration;
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if ($client !== null) {
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$this->client = $client;
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return $this;
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}
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$this->createClient();
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}
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public function database($databaseName)
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{
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$this->queryConfiguration->databaseName = $databaseName;
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return $this;
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}
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public function select($fieldList)
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{
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$this->queryConfiguration->select = $fieldList;
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return $this;
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}
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public function from($collectionName)
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{
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$this->queryConfiguration->from = $collectionName;
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return $this;
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}
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public function where($conditions)
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{
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$this->validateConditions($conditions);
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$this->queryConfiguration->where = $conditions;
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return $this;
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}
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public function orderBy($fieldName, $sortMode = 'ASC')
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{
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$this->queryConfiguration->orderBy[] = [$fieldName => $sortMode];
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return $this;
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}
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public function limit($limit)
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{
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$this->queryConfiguration->limit = $limit;
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return $this;
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}
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public function offset($offset)
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{
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$this->queryConfiguration->offset = $offset;
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return $this;
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}
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public function first()
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{
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return isset($this->resultSet[0]) ? $this->resultSet[0] : null;
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}
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public function all()
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{
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return $this->resultSet;
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118
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}
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119
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}
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fathomminds /
php-rest-models
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