1 <?php
 2 
 3 /*
 4  * This file is part of the Icybee package.
 5  *
 6  * (c) Olivier Laviale <olivier.laviale@gmail.com>
 7  *
 8  * For the full copyright and license information, please view the LICENSE
 9  * file that was distributed with this source code.
10  */
11 
12 namespace Icybee\Modules\Forms;
13 
14 use ICanBoogie\Errors;
15 use ICanBoogie\Operation;
16 
17 /**
18  * Returns model specific default values for the form.
19  */
20 class DefaultsOperation extends Operation
21 {
22     /**
23      * Controls for the operation: authentication, permission(create)
24      */
25     protected function get_controls()
26     {
27         return array
28         (
29             self::CONTROL_AUTHENTICATION => true,
30             self::CONTROL_PERMISSION => Module::PERMISSION_CREATE
31         )
32 
33         + parent::get_controls();
34     }
35 
36     /**
37      * Validates the operation unles the operation key is not defined.
38      */
39     protected function validate(Errors $errors)
40     {
41         if (!$this->key)
42         {
43             $errors['key'] = 'Missing modelid';
44 
45             return false;
46         }
47 
48         return true;
49     }
50 
51     /**
52      * The "defaults" operation can be used to retrieve the default values for the form, usualy
53      * the values for the notify feature.
54      */
55     protected function process()
56     {
57         global $core;
58 
59         $modelid = $this->key;
60         $models = $core->configs->synthesize('formmodels', 'merge');
61 
62         if (empty($models[$modelid]))
63         {
64             \ICanBoogie\log_error("Unknown model.");
65 
66             return;
67         }
68 
69         $model = $models[$modelid];
70         $model_class = $model['class'];
71 
72         if (!method_exists($model_class, 'get_defaults'))
73         {
74             \ICanBoogie\log_success("The model doesn't have defaults.");
75 
76             return false;
77         }
78 
79         return call_user_func(array($model_class, 'get_defaults'));
80     }
81 }

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