/**
* Gets the grouping that groups everything in an array.
*
* @param string $field
*/
private function getGroup($field)
{
$group = new Group();
$group->setGroupBy('_id');
$condition = Condition::getConditionByIfArray(['$gte' => ['$' . $field, []]], '$' . $field . '_unwrapped', '$' . $field . '_original');
$push = new Push();
$push->setPush($condition);
$group->setResultField($field, $push);
return $group;
}
/**
* Adds the ranges projection
* Ranges array should hold array with label, min and / or max (at least one of min and max is required).
*
* @param string $field
* @param array $ranges
*/
public function addRange($field, array $ranges)
{
$conditions = [];
foreach ($ranges as $range) {
$condition = Condition::getConditionByIfArray(self::getMinMaxExpression($field, $range), $range['label'], '$' . $field);
$conditions[] = $condition;
}
$projectionCondition = array_pop($conditions);
while ($nextCondition = array_pop($conditions)) {
$nextCondition->setElse($projectionCondition);
$projectionCondition = $nextCondition;
}
$this->includeOperationField($field, $projectionCondition);
}
/**
* Test if fields are added.
*/
public function testFieldsAreAdded()
{
$testData = [['foo' => 'foo'], ['foo' => 'foo'], ['foo' => 'bar'], ['foo' => 'bar'], ['foo' => 'bar']];
foreach ($testData as $test) {
$this->collection->save($test);
}
$projection = new Projection();
$projection->includeField('foo');
$condition = Condition::getConditionByIfArray(['$eq' => ['$foo', 'foo']], true, false);
$projection->includeOperationField('isFoo', $condition);
$result = $this->collection->aggregate([$projection->getStage()]);
$this->assertEquals(5, count($result['result']));
foreach ($result['result'] as $res) {
if ($res['foo'] === 'foo') {
$this->assertTrue($res['isFoo']);
} else {
$this->assertFalse($res['isFoo']);
}
}
}
/**
* Gets test data.
*/
public function providePushTestData()
{
return [['$foo', ['$push' => '$foo']], [Condition::getConditionByIfArray(['$eq' => ['$foo', 'foo']], true, false), ['$push' => ['$cond' => [['$eq' => ['$foo', 'foo']], true, false]]]]];
}
/**
* Gets test data.
*/
public function provideSumTestData()
{
return [[1, ['$sum' => 1]], [Condition::getConditionByIfArray(['$eq' => ['$foo', 'foo']], 1, 2), ['$sum' => ['$cond' => [['$eq' => ['$foo', 'foo']], 1, 2]]]]];
}
/**
* Gets test data.
*/
public function provideConditionTestData()
{
$testCondition = Condition::getConditionByIfArray(['$eq' => ['$foo', 'foo']], true, false);
return [[['if' => ['$eq' => ['$foo', 'foo']], 'then' => true, 'else' => false], ['$cond' => [['$eq' => ['$foo', 'foo']], true, false]]], [['if' => ['$eq' => ['$foo', 'foo']], 'then' => $testCondition, 'else' => false], ['$cond' => [['$eq' => ['$foo', 'foo']], ['$cond' => [['$eq' => ['$foo', 'foo']], true, false]], false]]], [['if' => ['$eq' => ['$foo', 'foo']], 'then' => true, 'else' => $testCondition], ['$cond' => [['$eq' => ['$foo', 'foo']], true, ['$cond' => [['$eq' => ['$foo', 'foo']], true, false]]]]]];
}