ListScreenAdmin.php
3.3 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
<?php
namespace AC\Controller\Middleware;
use AC;
use AC\Admin\Preference;
use AC\ListScreen;
use AC\ListScreenFactory;
use AC\ListScreenRepository\Storage;
use AC\Middleware;
use AC\Request;
use AC\Type\ListScreenId;
use Exception;
class ListScreenAdmin implements Middleware {
private $storage;
private $preference;
private $list_screen_factory;
private $list_keys_factory;
public function __construct(
Storage $storage,
Preference\ListScreen $preference,
ListScreenFactory $list_screen_factory,
AC\Table\ListKeysFactoryInterface $list_keys_factory
) {
$this->storage = $storage;
$this->preference = $preference;
$this->list_screen_factory = $list_screen_factory;
$this->list_keys_factory = $list_keys_factory;
}
private function get_list_id( Request $request ): ?ListScreenId {
try {
$list_id = new ListScreenId( (string) $request->get( 'layout_id' ) );
} catch ( Exception $e ) {
return null;
}
return $list_id;
}
private function get_list_key( Request $request ): ?string {
$list_key = (string) $request->get( 'list_screen' );
if ( ! $this->list_key_exists( $list_key ) ) {
$list_key = (string) $this->preference->get_last_visited_list_key();
}
if ( ! $this->list_key_exists( $list_key ) ) {
$list_key = (string) $this->list_keys_factory->create()->current();
}
return $this->list_key_exists( $list_key )
? $list_key
: null;
}
private function list_key_exists( string $list_key ): bool {
return $this->list_screen_factory->can_create( $list_key );
}
private function get_list_screen( Request $request ): ?ListScreen {
$list_id = $this->get_list_id( $request );
if ( $list_id && $this->storage->exists( $list_id ) ) {
return $this->storage->find( $list_id );
}
$list_key = $this->get_list_key( $request );
if ( ! $list_key ) {
return null;
}
if ( ! $this->list_screen_factory->can_create( $list_key ) ) {
return null;
}
$list_screen = $this->get_last_visited_listscreen( $list_key );
if ( ! $list_screen ) {
$list_screen = $this->get_first_listscreen( $list_key );
}
if ( ! $list_screen ) {
$list_screen = $this->list_screen_factory->create( $list_key );
}
return $list_screen;
}
private function get_first_listscreen( string $list_key ): ?ListScreen {
$list_screens = $this->storage->find_all_by_key( $list_key );
return $list_screens->count() > 0
? $list_screens->current()
: null;
}
private function get_last_visited_listscreen( string $list_key ): ?ListScreen {
try {
$list_id = new ListScreenId( (string) $this->preference->get_list_id( $list_key ) );
} catch ( Exception $e ) {
return null;
}
$list_screen = $this->storage->find( $list_id );
return $list_screen && $list_screen->get_key() === $list_key
? $list_screen
: null;
}
private function set_preference_screen( ListScreen $list_screen ): void {
$this->preference->set_last_visited_list_key( $list_screen->get_key() );
if ( $list_screen->has_id() ) {
$this->preference->set_list_id( $list_screen->get_key(), $list_screen->get_id()->get_id() );
}
}
public function handle( Request $request ) {
$list_screen = $this->get_list_screen( $request );
if ( ! $list_screen ) {
return;
}
$this->set_preference_screen( $list_screen );
$request->get_parameters()->merge( [
'list_screen' => $list_screen,
] );
}
}