PHP7 FluentInterface

This commit is contained in:
Dominik Liebler
2016-09-23 10:24:23 +02:00
parent b556436fa2
commit de196765cf
5 changed files with 413 additions and 262 deletions

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@ -2,79 +2,51 @@
namespace DesignPatterns\Structural\FluentInterface; namespace DesignPatterns\Structural\FluentInterface;
/**
* class SQL.
*/
class Sql class Sql
{ {
/** /**
* @var array * @var array
*/ */
protected $fields = array(); private $fields = [];
/** /**
* @var array * @var array
*/ */
protected $from = array(); private $from = [];
/** /**
* @var array * @var array
*/ */
protected $where = array(); private $where = [];
/** public function select(array $fields): Sql
* adds select fields.
*
* @param array $fields
*
* @return SQL
*/
public function select(array $fields = array())
{ {
$this->fields = $fields; $this->fields = $fields;
return $this; return $this;
} }
/** public function from(string $table, string $alias): Sql
* adds a FROM clause.
*
* @param string $table
* @param string $alias
*
* @return SQL
*/
public function from($table, $alias)
{ {
$this->from[] = $table.' AS '.$alias; $this->from[] = $table.' AS '.$alias;
return $this; return $this;
} }
/** public function where(string $condition): Sql
* adds a WHERE condition.
*
* @param string $condition
*
* @return SQL
*/
public function where($condition)
{ {
$this->where[] = $condition; $this->where[] = $condition;
return $this; return $this;
} }
/** public function __toString(): string
* Gets the query, just an example of building a query,
* no check on consistency.
*
* @return string
*/
public function getQuery()
{ {
return 'SELECT '.implode(',', $this->fields) return sprintf(
.' FROM '.implode(',', $this->from) 'SELECT %s FROM %s WHERE %s',
.' WHERE '.implode(' AND ', $this->where); join(', ', $this->fields),
join(', ', $this->from),
join(' AND ', $this->where)
);
} }
} }

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@ -4,19 +4,15 @@ namespace DesignPatterns\Structural\FluentInterface\Tests;
use DesignPatterns\Structural\FluentInterface\Sql; use DesignPatterns\Structural\FluentInterface\Sql;
/**
* FluentInterfaceTest tests the fluent interface SQL.
*/
class FluentInterfaceTest extends \PHPUnit_Framework_TestCase class FluentInterfaceTest extends \PHPUnit_Framework_TestCase
{ {
public function testBuildSQL() public function testBuildSQL()
{ {
$instance = new Sql(); $query = (new Sql())
$query = $instance->select(array('foo', 'bar')) ->select(['foo', 'bar'])
->from('foobar', 'f') ->from('foobar', 'f')
->where('f.bar = ?') ->where('f.bar = ?');
->getQuery();
$this->assertEquals('SELECT foo,bar FROM foobar AS f WHERE f.bar = ?', $query); $this->assertEquals('SELECT foo, bar FROM foobar AS f WHERE f.bar = ?', (string) $query);
} }
} }

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@ -7,14 +7,11 @@
</nodes> </nodes>
<notes /> <notes />
<edges /> <edges />
<settings layout="Hierarchic Group" zoom="1.0" x="108.5" y="84.0" /> <settings layout="Hierarchic Group" zoom="1.0" x="25.5" y="14.5" />
<SelectedNodes> <SelectedNodes />
<node>\DesignPatterns\Structural\FluentInterface\Sql</node>
</SelectedNodes>
<Categories> <Categories>
<Category>Fields</Category> <Category>Fields</Category>
<Category>Constants</Category> <Category>Constants</Category>
<Category>Constructors</Category>
<Category>Methods</Category> <Category>Methods</Category>
</Categories> </Categories>
<VISIBILITY>private</VISIBILITY> <VISIBILITY>private</VISIBILITY>

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