xref: /plugin/bez/mdl/Entity.php (revision fe5d6d1ebd253c129098b67fff8cf438a54d8650) 
1<?php
2
3//if(!defined('DOKU_INC')) die();
4
5
6//~ abstract class BEZ_mdl_Dummy_Entity {
7
8    //~ protected $model;
9
10    //~ protected $id = NULL;
11
12    //~ public function __get($property) {
13		//~ if ($property === 'id') {
14            //~ return $this->id;
15        //~ }
16	//~ }
17
18    //~ public function get_table_singular() {
19        //~ $class = get_class($this);
20		//~ $exp = explode('_', $class);
21		//~ $singular = array_pop($exp);
22		//~ return lcfirst($singular);
23    //~ }
24
25    //~ public function get_table_name() {
26		//~ $singlar = $this->get_table_singular();
27		//~ return $singular.'s';
28	//~ }
29
30    //~ public function acl_of($field) {
31        //~ return $this->model->acl->check_field($this, $field);
32    //~ }
33
34    //~ public function __construct($model) {
35		//~ $this->model = $model;
36	//~ }
37//~ }
38
39namespace dokuwiki\plugin\bez\mdl;
40/*
41 * All fields are stored in object as strings.
42 * NULLs are converted to empty string.
43 * If any attribute in object === NULL -> it means that it was not initialized
44 * But we always inserts NULLs instead of empty strings.
45 * https://stackoverflow.com/questions/1267999/mysql-better-to-insert-null-or-empty-string
46 **/
47
48use dokuwiki\plugin\bez\meta\PermissionDeniedException;
49
50abstract class Entity {// extends BEZ_mdl_Dummy_Entity {
51
52    /** @var  Model */
53    protected $model;
54
55    /** @var Validator */
56    protected $validator;
57
58    //protected $columns_demendencies = array();
59
60	//protected $parse_int = array();
61
62	abstract public static function get_columns();
63
64//    abstract public static function get_virtual_columns();
65
66//    private function is_dummy() {
67//        if (strstr(get_class(), 'Dummy') === false) {
68//            return false;
69//        }
70//        return true;
71//    }
72//
73//    private function not_for_dummies() {
74//        if ($this->is_dummy()) {
75//            throw new Exception('dummy object doesn\'t contains data.');
76//        }
77//    }
78
79	public function get_assoc($filter=NULL) {
80        //$this->not_for_dummies();
81
82		$assoc = array();
83		//$columns = array_merge($this->get_columns(), $this->get_virtual_columns());
84
85        $columns = $this->get_columns();
86        if ($filter !== NULL) {
87            $columns = array_intersect($columns, $filter);
88        }
89
90		foreach ($columns as $col) {
91			$assoc[$col] = $this->$col;
92		}
93		return $assoc;
94	}
95
96//    public function get_table_singular() {
97//        $class = get_class($this);
98//		$exp = explode('_', $class);
99//		$singular = array_pop($exp);
100//		return lcfirst($singular);
101//    }
102//
103    public function get_table_name() {
104        $class = (new \ReflectionClass($this))->getShortName();
105		return lcfirst($class);
106	}
107
108//    private function create_DateTime_from_column($column) {
109//        $cols = array_merge($this->get_columns(), $this->get_virtual_columns());
110//        if (!in_array($column, $cols)) {
111//            throw new Exception("$column is not a column");
112//        }
113//        $dt = $this->$column;
114//        if (is_numeric($dt)) {
115//            return new DateTime('@'.$dt);
116//        }
117//        return new DateTime($dt);
118//    }
119//
120//    public function date_format($column) {
121//        $date = $this->create_DateTime_from_column($column);
122//
123//        return $date->format('Y-m-d');
124//    }
125//
126//    public function datetime_format($column, $format='comment') {
127//        $date = $this->create_DateTime_from_column($column);;
128//
129//        if ($format === 'comment') {
130//            return $dt->format('j') . ' ' .
131//                    $this->model->action->getLang('mon'.$dt->format('n').'_a') . ' ' .
132//                    ($dt->format('Y') === date('Y') ? '' : $dt->format('Y') . ' ') .
133//                    $this->model->action->getLang('at_hour') . ' ' .
134//                    $dt->format('G:i');
135//        }
136//    }
137//
138//    public function days_ago($column, $first_date = null) {
139//        if ($first_date === null) {
140//            $first_date = new DateTime();
141//        } elseif (is_string($first_date)) {
142//            $first_date = $this->create_DateTime_from_column($first_date);
143//        }
144//        $interval = $first_date->diff($this->create_DateTime_from_column($column));
145//        $sign = $interval->format('%R');
146//        $days = $interval->format('%a');
147//        if ($sign === '-') {
148//            return $days . ' ' . $this->model->action->getLang('days') . ' ' .
149//                    $this->model->action->getLang('ago');
150//        }
151//        return $days . ' ' . $this->model->action->getLang('days');
152//
153//    }
154//
155//    public function float_localized($column) {
156//        $cols = array_merge($this->get_columns(), $this->get_virtual_columns());
157//        if (!in_array($column, $cols)) {
158//            throw new Exception("$column is not a column");
159//        }
160//        if ($this->$column === '') {
161//            return '';
162//        }
163//
164//        if (!is_numeric($this->$column)) {
165//            throw new Exception('Column ' . $column . ' isn\'t numeric');
166//        }
167//
168//        return sprintf('%.2f', $this->$column);
169//    }
170
171    //set id when object is saved in database
172//    public function set_id($id) {
173////        $this->not_for_dummies();
174//
175//        if ($this->id === NULL) {
176//            $this->id = $id;
177//        } else {
178//            throw new \Exception('id already set for issue #'.$this->id);
179//        }
180//    }
181
182//	public function sqlite_date($time=NULL) {
183//		//SQLITE format: https://www.sqlite.org/lang_datefunc.html
184//		if ($time === NULL) {
185//			return date('Y-m-d H:i:s');
186//		} else {
187//			return date('Y-m-d H:i:s', $time);
188//		}
189//	}
190
191	public function __get($property) {
192//        $this->not_for_dummies();
193
194//		$columns = array_merge($this->get_columns(), $this->get_virtual_columns());
195        if (!property_exists($this, $property) || !in_array($property, $this->get_columns())) {
196            throw new \Exception('there is no column: "'.$property. '"" in table: "' . $this->get_table_name() . '"');
197        }
198
199        //now only normal db columns has ACL, it should be fixed
200        if ($this->acl_of($property) < BEZ_PERMISSION_VIEW) {
201            throw new PermissionDeniedException();
202        }
203
204        return $this->$property;
205
206//		if (property_exists($this, $property) && in_array($property, $this->get_columns())) {
207////			if (in_array($property, $this->parse_int)) {
208////				return (int)$this->$property;
209////			} else {
210//				return $this->$property;
211////			}
212//		}
213	}
214
215    protected function set_property($property, $value) {
216//        $this->not_for_dummies();
217
218        if (!in_array($property, $this->get_columns())) {
219            throw new \Exception('trying to set not existing column');
220        }
221
222        //throws ValidationException
223        $this->validator->validate_field($property, $value);
224
225        //throws PermissionDeniedException
226        $this->model->acl->can_change($this, $property);
227
228        $this->$property = $value;
229
230//        if (isset($this->columns_demendencies[$property])) {
231//            $method = $this->columns_demendencies[$property];
232//            //convention -> run the method with the same name as $property
233//            if (!method_exists($this, $method)) {
234//                throw new Exception("denepndency method: $property not implemented");
235//            }
236//            $this->$method();
237//        }
238    }
239
240    protected function set_property_array($array) {
241        foreach ($array as $k => $v) {
242            $this->set_property($k, $v);
243        }
244    }
245
246    //by default do nothing
247//    private function update_virtual_columns() {
248//    }
249//
250
251    public function set_data($post) {
252//        $input = array_intersect($this->changable_fields($filter), array_keys($post), array_keys($this->validator->get_rules()));
253
254        $val_data = $this->validator->validate($post);
255		if ($val_data === false) {
256			throw new ValidationException($this->get_table_name(), $this->validator->get_errors());
257		}
258
259		$this->set_property_array($val_data);
260
261//        $this->update_virtual_columns();
262    }
263
264//    public function changable_fields($filter=NULL) {
265//       $fields = $this->model->acl->check($this);
266//
267//       if ($filter !== NULL) {
268//           $fields = array_filter($fields, function ($k) use ($filter) {
269//                return in_array($k, $filter);
270//           }, ARRAY_FILTER_USE_KEY);
271//       }
272//
273//       return array_keys(array_filter($fields, function ($var) {
274//           return $var >= BEZ_PERMISSION_CHANGE;
275//       }));
276//    }
277
278    public function acl_of($field) {
279        return $this->model->acl->check_field($this, $field);
280    }
281
282    public function __construct($model) {
283        //by convention all defaults must be strings
284//        foreach ($defaults as $val) {
285//            if (!is_string($val)) {
286//                throw new Exception('all defaults must be strings');
287//            }
288//        }
289//		$this->model = $model;
290//
291//        if (!$this->is_dummy()) {
292//            $this->validator = new BEZ_mdl_Validator($this->model);
293//        }
294		//$this->helper = plugin_load('helper', 'bez');
295
296        $this->model = $model;
297        $this->validator = new Validator($this->model);
298	}
299}
300