|
1
|
|
|
<?php |
|
2
|
|
|
/* For licensing terms, see /license.txt */ |
|
3
|
|
|
|
|
4
|
|
|
/** |
|
5
|
|
|
* Class Model. |
|
6
|
|
|
* This class provides basic methods to implement a CRUD for a new table in the |
|
7
|
|
|
* database see examples in: career.lib.php and promotion.lib.php |
|
8
|
|
|
* Include/require it in your code to use its features. |
|
9
|
|
|
*/ |
|
10
|
|
|
class Model |
|
11
|
|
|
{ |
|
12
|
|
|
public $table; |
|
13
|
|
|
public $columns; |
|
14
|
|
|
public $required; |
|
15
|
|
|
public $is_course_model = false; |
|
16
|
|
|
|
|
17
|
|
|
/** |
|
18
|
|
|
* Constructor. |
|
19
|
|
|
*/ |
|
20
|
|
|
public function __construct() |
|
21
|
|
|
{ |
|
22
|
|
|
} |
|
23
|
|
|
|
|
24
|
|
|
/** |
|
25
|
|
|
* Useful finder - experimental akelos like only use in notification.lib.php send function. |
|
26
|
|
|
* |
|
27
|
|
|
* @param string $type |
|
28
|
|
|
* @param array $options |
|
29
|
|
|
* |
|
30
|
|
|
* @return array |
|
31
|
|
|
*/ |
|
32
|
|
|
public function find($type, $options = null) |
|
33
|
|
|
{ |
|
34
|
|
|
switch ($type) { |
|
35
|
|
|
case 'all': |
|
36
|
|
|
return self::get_all($options); |
|
|
|
|
|
|
37
|
|
|
break; |
|
|
|
|
|
|
38
|
|
|
default: |
|
39
|
|
|
if (is_numeric($type)) { |
|
40
|
|
|
return self::get($type); |
|
|
|
|
|
|
41
|
|
|
} |
|
42
|
|
|
break; |
|
43
|
|
|
} |
|
44
|
|
|
} |
|
45
|
|
|
|
|
46
|
|
|
/** |
|
47
|
|
|
* Deletes an item. |
|
48
|
|
|
* |
|
49
|
|
|
* @param int $id |
|
50
|
|
|
* |
|
51
|
|
|
* @return bool |
|
52
|
|
|
*/ |
|
53
|
|
|
public function delete($id) |
|
54
|
|
|
{ |
|
55
|
|
|
if (empty($id) || $id != strval(intval($id))) { |
|
56
|
|
|
return false; |
|
57
|
|
|
} |
|
58
|
|
|
$params = ['id = ?' => $id]; |
|
59
|
|
|
if ($this->is_course_model) { |
|
60
|
|
|
$courseId = api_get_course_int_id(); |
|
61
|
|
|
$params = ['id = ? AND c_id = ?' => [$id, $courseId]]; |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
|
|
// Database table definition |
|
65
|
|
|
$result = Database::delete($this->table, $params); |
|
66
|
|
|
if (1 != $result) { |
|
67
|
|
|
return false; |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
|
|
return true; |
|
71
|
|
|
} |
|
72
|
|
|
|
|
73
|
|
|
/** |
|
74
|
|
|
* Displays the title + grid. |
|
75
|
|
|
*/ |
|
76
|
|
|
public function display() |
|
77
|
|
|
{ |
|
78
|
|
|
} |
|
79
|
|
|
|
|
80
|
|
|
/** |
|
81
|
|
|
* Gets an element. |
|
82
|
|
|
* |
|
83
|
|
|
* @param int $id |
|
84
|
|
|
* |
|
85
|
|
|
* @return array|mixed |
|
86
|
|
|
*/ |
|
87
|
|
|
public function get($id) |
|
88
|
|
|
{ |
|
89
|
|
|
if (empty($id)) { |
|
90
|
|
|
return []; |
|
91
|
|
|
} |
|
92
|
|
|
$params = ['id = ?' => intval($id)]; |
|
93
|
|
|
if ($this->is_course_model) { |
|
94
|
|
|
$course_id = api_get_course_int_id(); |
|
95
|
|
|
$params = ['id = ? AND c_id = ?' => [$id, $course_id]]; |
|
96
|
|
|
} |
|
97
|
|
|
$result = Database::select( |
|
98
|
|
|
'*', |
|
99
|
|
|
$this->table, |
|
100
|
|
|
['where' => $params], |
|
101
|
|
|
'first' |
|
102
|
|
|
); |
|
103
|
|
|
|
|
104
|
|
|
return $result; |
|
105
|
|
|
} |
|
106
|
|
|
|
|
107
|
|
|
/** |
|
108
|
|
|
* @param array $options |
|
109
|
|
|
* |
|
110
|
|
|
* @return array |
|
111
|
|
|
*/ |
|
112
|
|
|
public function get_all($options = null) |
|
113
|
|
|
{ |
|
114
|
|
|
return Database::select('*', $this->table, $options); |
|
115
|
|
|
} |
|
116
|
|
|
|
|
117
|
|
|
/** |
|
118
|
|
|
* @param array $options |
|
119
|
|
|
* |
|
120
|
|
|
* @return array |
|
121
|
|
|
*/ |
|
122
|
|
|
public function getDataToExport($options = []) |
|
123
|
|
|
{ |
|
124
|
|
|
return Database::select('name, description', $this->table, $options); |
|
125
|
|
|
} |
|
126
|
|
|
|
|
127
|
|
|
/** |
|
128
|
|
|
* Get the count of elements. |
|
129
|
|
|
* |
|
130
|
|
|
* @return int |
|
131
|
|
|
*/ |
|
132
|
|
|
public function get_count() |
|
133
|
|
|
{ |
|
134
|
|
|
$row = Database::select( |
|
135
|
|
|
'count(*) as count', |
|
136
|
|
|
$this->table, |
|
137
|
|
|
['where' => ['parent_id = ?' => '0']], |
|
138
|
|
|
'first' |
|
139
|
|
|
); |
|
140
|
|
|
|
|
141
|
|
|
return $row['count']; |
|
142
|
|
|
} |
|
143
|
|
|
|
|
144
|
|
|
/** |
|
145
|
|
|
* a little bit of javascript to display. |
|
146
|
|
|
*/ |
|
147
|
|
|
public function javascript() |
|
148
|
|
|
{ |
|
149
|
|
|
} |
|
150
|
|
|
|
|
151
|
|
|
/** |
|
152
|
|
|
* Saves an element into the DB. |
|
153
|
|
|
* |
|
154
|
|
|
* @param array $params |
|
155
|
|
|
* @param bool $show_query Whether to show the query in logs or not (passed to Database::insert()) |
|
156
|
|
|
* |
|
157
|
|
|
* @return bool|int |
|
158
|
|
|
*/ |
|
159
|
|
|
public function save($params, $show_query = false) |
|
160
|
|
|
{ |
|
161
|
|
|
$params = $this->clean_parameters($params); |
|
162
|
|
|
|
|
163
|
|
|
if ($this->is_course_model) { |
|
164
|
|
|
if (!isset($params['c_id']) || empty($params['c_id'])) { |
|
165
|
|
|
$params['c_id'] = api_get_course_int_id(); |
|
166
|
|
|
} |
|
167
|
|
|
} |
|
168
|
|
|
|
|
169
|
|
|
if (!empty($this->required)) { |
|
170
|
|
|
$require_ok = true; |
|
171
|
|
|
$key_params = array_keys($params); |
|
172
|
|
|
foreach ($this->required as $field) { |
|
173
|
|
|
if (!in_array($field, $key_params)) { |
|
174
|
|
|
$require_ok = false; |
|
175
|
|
|
} |
|
176
|
|
|
} |
|
177
|
|
|
if (!$require_ok) { |
|
178
|
|
|
return false; |
|
179
|
|
|
} |
|
180
|
|
|
} |
|
181
|
|
|
|
|
182
|
|
|
if (in_array('created_at', $this->columns)) { |
|
183
|
|
|
$params['created_at'] = api_get_utc_datetime(); |
|
184
|
|
|
} |
|
185
|
|
|
|
|
186
|
|
|
if (in_array('updated_at', $this->columns)) { |
|
187
|
|
|
$params['updated_at'] = api_get_utc_datetime(); |
|
188
|
|
|
} |
|
189
|
|
|
|
|
190
|
|
|
if (!empty($params)) { |
|
191
|
|
|
$id = Database::insert($this->table, $params, $show_query); |
|
192
|
|
|
if (is_numeric($id)) { |
|
193
|
|
|
return $id; |
|
194
|
|
|
} |
|
195
|
|
|
} |
|
196
|
|
|
|
|
197
|
|
|
return false; |
|
198
|
|
|
} |
|
199
|
|
|
|
|
200
|
|
|
/** |
|
201
|
|
|
* Updates the obj in the database. The $params['id'] must exist in order to update a record. |
|
202
|
|
|
* |
|
203
|
|
|
* @param array $params |
|
204
|
|
|
* @param bool $showQuery |
|
205
|
|
|
* |
|
206
|
|
|
* @return bool |
|
207
|
|
|
*/ |
|
208
|
|
|
public function update($params, $showQuery = false) |
|
209
|
|
|
{ |
|
210
|
|
|
$params = $this->clean_parameters($params); |
|
211
|
|
|
|
|
212
|
|
|
if ($this->is_course_model) { |
|
213
|
|
|
if (!isset($params['c_id']) || empty($params['c_id'])) { |
|
214
|
|
|
$params['c_id'] = api_get_course_int_id(); |
|
215
|
|
|
} |
|
216
|
|
|
} |
|
217
|
|
|
|
|
218
|
|
|
//If the class has the updated_at field we update the date |
|
219
|
|
|
if (in_array('updated_at', $this->columns)) { |
|
220
|
|
|
$params['updated_at'] = api_get_utc_datetime(); |
|
221
|
|
|
} |
|
222
|
|
|
//If the class has the created_at field then we remove it |
|
223
|
|
|
if (in_array('created_at', $this->columns)) { |
|
224
|
|
|
unset($params['created_at']); |
|
225
|
|
|
} |
|
226
|
|
|
|
|
227
|
|
|
if (!empty($params) && !empty($params['id'])) { |
|
228
|
|
|
$id = intval($params['id']); |
|
229
|
|
|
unset($params['id']); //To not overwrite the id |
|
230
|
|
|
if (is_numeric($id)) { |
|
231
|
|
|
$result = Database::update( |
|
232
|
|
|
$this->table, |
|
233
|
|
|
$params, |
|
234
|
|
|
['id = ?' => $id], |
|
235
|
|
|
$showQuery |
|
236
|
|
|
); |
|
237
|
|
|
if ($result) { |
|
238
|
|
|
return true; |
|
239
|
|
|
} |
|
240
|
|
|
} |
|
241
|
|
|
} |
|
242
|
|
|
|
|
243
|
|
|
return false; |
|
244
|
|
|
} |
|
245
|
|
|
|
|
246
|
|
|
/** |
|
247
|
|
|
* @param array $params |
|
248
|
|
|
* |
|
249
|
|
|
* @return array |
|
250
|
|
|
*/ |
|
251
|
|
|
private function clean_parameters($params) |
|
252
|
|
|
{ |
|
253
|
|
|
$clean_params = []; |
|
254
|
|
|
if (!empty($params)) { |
|
255
|
|
|
foreach ($params as $key => $value) { |
|
256
|
|
|
if (in_array($key, $this->columns)) { |
|
257
|
|
|
$clean_params[$key] = $value; |
|
258
|
|
|
} |
|
259
|
|
|
} |
|
260
|
|
|
} |
|
261
|
|
|
|
|
262
|
|
|
return $clean_params; |
|
263
|
|
|
} |
|
264
|
|
|
} |
|
265
|
|
|
|