1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace Del\Filter; |
4
|
|
|
|
5
|
|
|
use ArrayIterator; |
6
|
|
|
use Del\Filter\Collection\FilterCollection; |
7
|
|
|
use Del\Filter\Filter\PaginationFilter; |
8
|
|
|
|
9
|
|
|
class CollectionFilter |
10
|
|
|
{ |
11
|
|
|
/** @var FilterCollection $filterCollection */ |
12
|
|
|
private $filterCollection; |
13
|
|
|
|
14
|
|
|
/** @var PaginationFilter $paginationFilter */ |
15
|
|
|
private $paginationFilter; |
16
|
|
|
|
17
|
1 |
|
public function __construct() |
18
|
|
|
{ |
19
|
1 |
|
$this->paginationFilter = new PaginationFilter(); |
20
|
1 |
|
} |
21
|
|
|
|
22
|
|
|
/** |
23
|
|
|
* @return FilterCollection |
24
|
|
|
*/ |
25
|
|
|
public function getFilterCollection(): FilterCollection |
26
|
|
|
{ |
27
|
|
|
return $this->filterCollection; |
28
|
|
|
} |
29
|
|
|
|
30
|
|
|
/** |
31
|
|
|
* @param FilterCollection $filterCollection |
32
|
|
|
* @return CollectionFilter |
33
|
|
|
*/ |
34
|
|
|
public function setFilterCollection(FilterCollection $filterCollection): CollectionFilter |
35
|
|
|
{ |
36
|
|
|
$this->filterCollection = $filterCollection; |
37
|
|
|
return $this; |
38
|
|
|
} |
39
|
|
|
|
40
|
|
|
/** |
41
|
|
|
* @param ArrayIterator $results |
42
|
|
|
* @return ArrayIterator |
43
|
|
|
*/ |
44
|
|
|
public function filterResults(ArrayIterator $results) : ArrayIterator |
45
|
|
|
{ |
46
|
|
|
// Set the filters back to the first one |
47
|
|
|
$this->filterCollection->rewind(); |
48
|
|
|
|
49
|
|
|
// loop through each filter |
50
|
|
|
while ($this->filterCollection->valid()) { |
51
|
|
|
|
52
|
|
|
// filter the results |
53
|
|
|
$results = $this->filterCollection->current()->filter($results); |
54
|
|
|
|
55
|
|
|
// move to the next filter |
56
|
|
|
$this->filterCollection->next(); |
57
|
|
|
} |
58
|
|
|
|
59
|
|
|
// finally, if pagination is used, this will return the appropriate results |
60
|
|
|
$results = $this->paginationFilter->filter($results); |
61
|
|
|
|
62
|
|
|
return $results; |
63
|
|
|
} |
64
|
|
|
|
65
|
|
|
/** |
66
|
|
|
* @return PaginationFilter |
67
|
|
|
*/ |
68
|
|
|
public function getPaginationFilter(): PaginationFilter |
69
|
|
|
{ |
70
|
|
|
return $this->paginationFilter; |
71
|
|
|
} |
72
|
|
|
} |