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\Registry;
 13 
 14 class Model extends \ICanBoogie\ActiveRecord\Model
 15 {
 16     static private function flatten($values, $prefix)
 17     {
 18         if ($prefix)
 19         {
 20             $prefix .= '.';
 21         }
 22 
 23         $flatten = [];
 24 
 25         foreach ($values as $key => $value)
 26         {
 27             if (is_array($value))
 28             {
 29                 $flatten = array_merge($flatten, self::flatten($value, $prefix . $key));
 30 
 31                 continue;
 32             }
 33 
 34             $flatten[$prefix . $key] = $value;
 35         }
 36 
 37         return $flatten;
 38     }
 39 
 40     protected $cached_values = [];
 41 
 42     public function get($name, $default=null)
 43     {
 44         if ($default || !array_key_exists($name, $this->cached_values))
 45         {
 46             $length = strlen($name);
 47 
 48             if ($name{$length - 1} == '.')
 49             {
 50                 $rows = $this->where('name LIKE ?', $name . '%')->all(\PDO::FETCH_NUM);
 51 
 52                 $rc = $default ? $default : [];
 53 
 54                 foreach ($rows as $row)
 55                 {
 56                     list($name, $value) = $row;
 57 
 58                     $name = substr($name, $length);
 59 
 60                     //\ICanBoogie\log('short: "\1"', array($name));
 61 
 62                     $name = '[\'' . str_replace('.', "']['", $name) . '\']';
 63 
 64                     // FIXME: an eval really ?
 65 
 66                     eval('$rc' . $name . ' = $value;');
 67                 }
 68 
 69                 // TODO: handle default values
 70 
 71                 $this->cached_values[$name] = $rc;
 72             }
 73             else
 74             {
 75                 $rc = $this->select('value')->filter_by_name($name)->rc;
 76 
 77                 if ($rc === false)
 78                 {
 79                     $rc = $default;
 80                 }
 81 
 82                 $this->cached_values[$name] = $rc;
 83             }
 84         }
 85 
 86         return $this->cached_values[$name];
 87     }
 88 
 89     /**
 90      *
 91      * Set a value, or a tree of values, in the registry.
 92      *
 93      * One can delete key (and all its sub keys), by setting it to null.
 94      *
 95      * @param string $name
 96      * @param mixed $value
 97      */
 98 
 99     public function set($name, $value)
100     {
101         $this->cached_values = [];
102 
103         $name = (string) $name;
104 
105         if (is_array($value))
106         {
107             $values = self::flatten($value, $name);
108 
109             foreach ($values as $name => $value)
110             {
111                 $this->set($name, $value);
112             }
113 
114             return;
115         }
116 
117         if ($value === null)
118         {
119             $this->where('name = ? OR name LIKE ?', $name, $name . '.%')->delete();
120 
121             return;
122         }
123 
124         $this->insert([ 'name' => $name, 'value' => $value ], [ 'on duplicate' => true ]);
125     }
126 
127     public function offsetSet($offset, $value)
128     {
129         $this->set($offset, $value);
130     }
131 
132     public function offsetExists($offset)
133     {
134         return $this->get($offset) !== null;
135     }
136 
137     public function offsetUnset($offset)
138     {
139         $this->set($offset, null);
140     }
141 
142     public function offsetGet($offset)
143     {
144         return $this->get($offset);
145     }
146 }

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