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Commit c263ae3

Browse files
created QueryBuilder test, created Query builder to write common funcatonality for PDO and MySQLi
1 parent ac2921a commit c263ae3

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3 files changed

+105
-9
lines changed

3 files changed

+105
-9
lines changed

‎Test/Unit/QueryBuilderTest.php‎

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<?php
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namespace Test\Unit;
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use PHPUnit\Framework\TestCase;
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class QueryBuilderTest extends TestCase
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{
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private $queryBuilder;
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protected function setUp()
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{
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$this->queryBuilder = new QueryBuilder();
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parent::setUp();
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}
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protected function tearDown()
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{
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unset($this->queryBuilder);
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}
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public function testItCanCreateRecords()
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{
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$id = $this->queryBuilder->table('reports')->create($data);
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self::assertNotNull($id);
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}
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public function testItCanPerformRawQuery()
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{
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$result = $this->queryBuilder->raw('SELECT * FROM reports');
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self::assertNotNull($result);
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}
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public function testItCanPerformSelectQuery()
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{
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$result = $this->queryBuilder->table('reports')->select('*')->where('id',1)->first();
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self::assertSame(1,(int)$result->id);
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self::assertNotNull($result);
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}
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public function testItCanPerformSelectQueryWithMultipleWhereClause()
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{
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$results = $this->queryBuilder->table('reports')
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->select('*')->where('id',1)->where('report_type','=', 'Report Type 1')->first();
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self::assertNotNull($results);
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self::assertSame(1,(int)$results->id);
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self::assertSame('Report Type 1', $results->report_type);
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}
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}

‎index.php‎

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require_once __DIR__.DIRECTORY_SEPARATOR.'src'.DIRECTORY_SEPARATOR.'Exception'.DIRECTORY_SEPARATOR.'exception.php';
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$test = new \App\Database\PDOConnection( [
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'driver' => 'mysql',
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'host' => 'localhost',
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'db_name' => 'bug_app',
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'db_username' => 'root',
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'db_user_password' => '',
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'default_fetch' => PDO::FETCH_OBJ
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]);
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var_dump($test->connect());

‎src/Database/QueryBuilder.php‎

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<?php
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namespace App\Database;
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use App\Contracts\DatabaseConnectionInterface;
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use App\Exception\NotFoundException;
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use phpDocumentor\Reflection\Types\Self_;
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abstract class QueryBuilder
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{
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protected $conn; // pdo or mysqli
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protected $table;
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protected $statement;
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protected $fields;
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protected $placeholders;
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protected $bindings;
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protected $operation; //dml statement like SELECT, UPDATE, DELETE etc
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const OPERATORS = ['=', '>=', '>', '<=', '<', '<>'];
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const PLACEHOLDER = '?';
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const COLUMNS = '*';
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const DML_TYPE_SELECT = 'SELECT';
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const DML_TYPE_INSERT = 'INSERT';
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const DML_TYPE_UPDATE = 'UPDATE';
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const DML_TYPE_DELETE = 'DELETE';
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public function __construct(DatabaseConnectionInterface $connection)
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{
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$this->conn = $connection->getConnection();
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}
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public function table($table)
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{
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$this->table = $table;
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return $this;
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}
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public function where($column, $operator = self::OPERATORS[0], $value = null)
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{
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if(!in_array($operator, self::OPERATORS)){
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if($value === null){
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$value = $operator;
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$operator = self::OPERATORS[0];
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}else{
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throw new NotFoundException('Operator is not valid', ['operator' => $operator]);
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}
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}
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$this->passWhere([$column => $value], $operator);
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return $this;
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}
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//----------------------------------------------- Internals Methods -----------------------------------//
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protected function passWhere(array $conditions, string $operator)
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{
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}
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}

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