1
|
|
|
<?php |
2
|
|
|
declare(strict_types=1); |
3
|
|
|
namespace Zewa; |
4
|
|
|
|
5
|
|
|
use Sabre\Event\Emitter; |
6
|
|
|
|
7
|
|
|
/** |
8
|
|
|
* This class is the starting point for application |
9
|
|
|
* |
10
|
|
|
* @author Zechariah Walden<zech @ zewadesign.com> |
11
|
|
|
*/ |
12
|
|
|
class App |
13
|
|
|
{ |
14
|
|
|
/** |
15
|
|
|
* Return value from application |
16
|
|
|
* |
17
|
|
|
* @var string |
18
|
|
|
*/ |
19
|
|
|
private $output = false; |
20
|
|
|
|
21
|
|
|
/** |
22
|
|
|
* Namespaced controller path |
23
|
|
|
* |
24
|
|
|
* @var string |
25
|
|
|
*/ |
26
|
|
|
private $class; |
27
|
|
|
|
28
|
|
|
/** |
29
|
|
|
* Instantiated class object |
30
|
|
|
* |
31
|
|
|
* @var Controller |
32
|
|
|
*/ |
33
|
|
|
private $instantiatedClass; |
34
|
|
|
|
35
|
|
|
/** |
36
|
|
|
* Module being accessed |
37
|
|
|
* |
38
|
|
|
* @var string |
39
|
|
|
*/ |
40
|
|
|
private $module; |
41
|
|
|
|
42
|
|
|
/** |
43
|
|
|
* Controller being accessed |
44
|
|
|
* |
45
|
|
|
* @var string |
46
|
|
|
*/ |
47
|
|
|
private $controller; |
48
|
|
|
|
49
|
|
|
/** |
50
|
|
|
* Method being accessed |
51
|
|
|
* |
52
|
|
|
* @var string |
53
|
|
|
*/ |
54
|
|
|
private $method; |
55
|
|
|
|
56
|
|
|
/** |
57
|
|
|
* Params being passed |
58
|
|
|
* |
59
|
|
|
* @var array |
60
|
|
|
*/ |
61
|
|
|
private $params; |
62
|
|
|
|
63
|
|
|
/** |
64
|
|
|
* @var DIContainer $container |
65
|
|
|
*/ |
66
|
|
|
private $container; |
67
|
|
|
|
68
|
|
|
/** |
69
|
|
|
* @var Emitter |
70
|
|
|
*/ |
71
|
|
|
private $event; |
72
|
|
|
|
73
|
|
|
/** |
74
|
|
|
* Application bootstrap process |
75
|
|
|
* |
76
|
|
|
* The application registers the configuration in the app/config/core.php |
77
|
|
|
* and then processes, and makes available the configured resources |
78
|
|
|
* |
79
|
|
|
* App constructor. |
80
|
|
|
* @param DIContainer $container |
81
|
|
|
*/ |
82
|
28 |
|
public function __construct(DIContainer $container) |
83
|
|
|
{ |
84
|
28 |
|
$this->configuration = $container->resolve('\Zewa\Config'); |
|
|
|
|
85
|
28 |
|
$this->event = $container->resolve('\Sabre\Event\Emitter', true); |
86
|
28 |
|
$this->container = $container; |
87
|
|
|
|
88
|
28 |
|
$this->router = $container->resolve('\Zewa\Router', true); |
|
|
|
|
89
|
18 |
|
$this->request = $container->resolve('\Zewa\Request', true); |
|
|
|
|
90
|
18 |
|
$this->view = $container->resolve('\Zewa\View'); |
|
|
|
|
91
|
|
|
|
92
|
18 |
|
$this->prepare(); |
93
|
18 |
|
} |
94
|
|
|
|
95
|
|
|
/** |
96
|
|
|
* Calls the proper shell for app execution |
97
|
|
|
* |
98
|
|
|
* @access private |
99
|
|
|
*/ |
100
|
|
|
public function initialize() |
101
|
|
|
{ |
102
|
|
|
$this->start(); |
103
|
|
|
return $this; |
104
|
|
|
} |
105
|
|
|
|
106
|
|
|
/** |
107
|
|
|
* App preparation cycle |
108
|
|
|
*/ |
109
|
18 |
|
private function prepare() |
110
|
|
|
{ |
111
|
18 |
|
$routerConfig = $this->configuration->get('Routing'); |
112
|
|
|
|
113
|
18 |
|
$this->module = ucfirst($routerConfig->module); |
114
|
18 |
|
$this->controller = ucfirst($routerConfig->controller); |
115
|
18 |
|
$this->method = $routerConfig->method; |
116
|
18 |
|
$this->params = $routerConfig->params; |
117
|
18 |
|
$this->class = 'Zewa\\App\\Modules\\' . $this->module . '\\Controllers\\' . ucfirst($this->controller); |
118
|
18 |
|
} |
119
|
|
|
|
120
|
|
|
// public function setContainer(Container $container) |
|
|
|
|
121
|
|
|
// { |
122
|
|
|
// $this->container = $container; |
123
|
|
|
// } |
124
|
|
|
|
125
|
|
|
/** |
126
|
|
|
* Verifies the provided application request is a valid request |
127
|
|
|
* |
128
|
|
|
* @access private |
129
|
|
|
*/ |
130
|
|
|
private function validateRequest() |
131
|
|
|
{ |
132
|
|
|
//catch exception and handle |
133
|
|
|
try { |
134
|
|
|
$class = new \ReflectionClass($this->class); |
135
|
|
|
$class->getMethod($this->method); |
136
|
|
|
} catch (\ReflectionException $e) { |
137
|
|
|
$view = $this->container->resolve('\Zewa\View'); |
138
|
|
|
$this->output = $view->render404(['Invalid method requests']); //Router::show404( |
139
|
|
|
return false; |
140
|
|
|
} |
141
|
|
|
|
142
|
|
|
return true; |
143
|
|
|
} |
144
|
|
|
|
145
|
|
|
/** |
146
|
|
|
* Processes the application request |
147
|
|
|
* |
148
|
|
|
* @access private |
149
|
|
|
*/ |
150
|
|
|
private function start() |
151
|
|
|
{ |
152
|
|
|
if ($this->validateRequest() === false) { |
153
|
|
|
return false; |
154
|
|
|
} |
155
|
|
|
|
156
|
|
|
$this->instantiatedClass = $this->container->resolve($this->class); |
157
|
|
|
|
158
|
|
|
$this->instantiatedClass->setConfig($this->configuration); |
159
|
|
|
$this->instantiatedClass->setEvent($this->event); |
160
|
|
|
$this->instantiatedClass->setRouter($this->router); |
161
|
|
|
$this->instantiatedClass->setRequest($this->request); |
162
|
|
|
$this->instantiatedClass->setContainer($this->container); |
163
|
|
|
$this->instantiatedClass->setView($this->view); |
164
|
|
|
|
165
|
|
|
$this->output = call_user_func_array( |
166
|
|
|
[&$this->instantiatedClass, $this->method], |
167
|
|
|
$this->params |
168
|
|
|
); |
169
|
|
|
} |
170
|
|
|
|
171
|
|
|
/** |
172
|
|
|
* Prepare application return value into a string |
173
|
|
|
* |
174
|
|
|
* @access public |
175
|
|
|
* @return string |
176
|
|
|
*/ |
177
|
|
|
public function __toString() |
178
|
|
|
{ |
179
|
|
|
if (!$this->output) { |
180
|
|
|
$this->output = ''; |
181
|
|
|
} |
182
|
|
|
|
183
|
|
|
return $this->output; |
184
|
|
|
} |
185
|
|
|
} |
186
|
|
|
|
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: