1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace PeterColes\Themes; |
4
|
|
|
|
5
|
|
|
class Themes |
6
|
|
|
{ |
7
|
|
|
protected $theme = null; |
8
|
|
|
|
9
|
|
|
/** |
10
|
|
|
* Get the name of the theme for this context. |
11
|
|
|
* Make its path available for view selection |
12
|
|
|
* and override config settings where needed. |
13
|
|
|
* |
14
|
|
|
* @param \Illuminate\Http\Request $request |
15
|
|
|
* @return void |
16
|
|
|
*/ |
17
|
|
|
public function setTheme($request) |
18
|
|
|
{ |
19
|
|
|
$this->findMatch($request); |
20
|
|
|
$this->addThemeViewPath(); |
21
|
|
|
$this->applyThemeConfig(); |
22
|
|
|
} |
23
|
|
|
|
24
|
|
|
/** |
25
|
|
|
* Getter for the theme that is chosen. |
26
|
|
|
* |
27
|
|
|
* @return string theme |
28
|
|
|
*/ |
29
|
|
|
public function getTheme() |
30
|
|
|
{ |
31
|
|
|
return $this->theme; |
32
|
|
|
} |
33
|
|
|
|
34
|
|
|
/** |
35
|
|
|
* Iterate over the match criteria until a successful match is achieved. |
36
|
|
|
* |
37
|
|
|
* @return void |
38
|
|
|
*/ |
39
|
|
|
protected function findMatch($request) |
40
|
|
|
{ |
41
|
|
|
foreach (app('config')->get('themes') as $match) |
42
|
|
|
{ |
43
|
|
|
if ($this->testMatch($request, $match)) { |
44
|
|
|
break; |
45
|
|
|
} |
46
|
|
|
} |
47
|
|
|
} |
48
|
|
|
|
49
|
|
|
/** |
50
|
|
|
* If there's no match critera or all rules are matched, set the theme and exit. |
51
|
|
|
* |
52
|
|
|
* @return boolean |
53
|
|
|
*/ |
54
|
|
|
protected function testMatch($request, $match) |
55
|
|
|
{ |
56
|
|
|
if (isset($match['match'])) { |
57
|
|
|
$rules = $this->explodeRules($match['match']); |
58
|
|
|
|
59
|
|
|
foreach ($rules as $rule) { |
60
|
|
|
if (!$this->handleRule($request, $rule)) { |
61
|
|
|
return false; |
62
|
|
|
} |
63
|
|
|
} |
64
|
|
|
} |
65
|
|
|
|
66
|
|
|
// nothing to match or all matches succeeded |
67
|
|
|
$this->theme = $match['theme']; |
68
|
|
|
return true; |
69
|
|
|
} |
70
|
|
|
|
71
|
|
|
/** |
72
|
|
|
* Remove whtespace from rules and separate the rules in a match group. |
73
|
|
|
* |
74
|
|
|
* @return array rules |
75
|
|
|
*/ |
76
|
|
|
protected function explodeRules($rules) |
77
|
|
|
{ |
78
|
|
|
$rules = preg_replace('/\s+/', '', $rules); |
79
|
|
|
return explode('|', $rules); |
80
|
|
|
} |
81
|
|
|
|
82
|
|
|
/** |
83
|
|
|
* Separate rule name from parameters and pass to matcher class to evaluate. |
84
|
|
|
* |
85
|
|
|
* @return boolean |
86
|
|
|
*/ |
87
|
|
|
protected function handleRule($request, $rule) |
88
|
|
|
{ |
89
|
|
|
$rule = explode(':', $rule); |
90
|
|
|
$params = isset($rule[1]) ? $rule[1] : null; |
91
|
|
|
$class = '\\PeterColes\\Themes\\Matchers\\'.studly_case($rule[0]); |
92
|
|
|
|
93
|
|
|
return (new $class)->handle($request, $params); |
94
|
|
|
} |
95
|
|
|
|
96
|
|
|
/** |
97
|
|
|
* Add path for current theme's views to the list that Laravel searches. |
98
|
|
|
* |
99
|
|
|
* @return void |
100
|
|
|
*/ |
101
|
|
|
protected function addThemeViewPath() |
102
|
|
|
{ |
103
|
|
|
if ($this->theme) { |
104
|
|
|
app('view.finder')->addLocation(themes_path($this->theme.'/views')); |
105
|
|
|
} |
106
|
|
|
} |
107
|
|
|
|
108
|
|
|
/** |
109
|
|
|
* Override configs with theme-specific settings. |
110
|
|
|
* |
111
|
|
|
* @return void |
112
|
|
|
*/ |
113
|
|
|
protected function applyThemeConfig() |
114
|
|
|
{ |
115
|
|
|
$path = themes_path($this->theme.'/config'); |
116
|
|
|
|
117
|
|
|
if (app('files')->exists($path)) { |
118
|
|
|
foreach (app('files')->allFiles($path) as $file) { |
119
|
|
|
$key = str_replace('.'.$file->getExtension(), '', $file->getFilename()); |
120
|
|
|
app('config')->set($key, require $file->getPathname()); |
121
|
|
|
} |
122
|
|
|
} |
123
|
|
|
} |
124
|
|
|
} |
125
|
|
|
|