|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* XOOPS Notifications |
|
4
|
|
|
* |
|
5
|
|
|
* You may not change or alter any portion of this comment or credits |
|
6
|
|
|
* of supporting developers from this source code or any supporting source code |
|
7
|
|
|
* which is considered copyrighted (c) material of the original comment or credit authors. |
|
8
|
|
|
* This program is distributed in the hope that it will be useful, |
|
9
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
10
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
|
11
|
|
|
* |
|
12
|
|
|
* @copyright (c) 2000-2016 XOOPS Project (www.xoops.org) |
|
13
|
|
|
* @license GNU GPL 2 (https://www.gnu.org/licenses/gpl-2.0.html) |
|
14
|
|
|
* @package kernel |
|
15
|
|
|
* @subpackage Xoop Notifications Functions |
|
16
|
|
|
* @since 2.0.0 |
|
17
|
|
|
* @author Kazumi Ono (AKA onokazu) http://www.myweb.ne.jp/, http://jp.xoops.org/ |
|
18
|
|
|
*/ |
|
19
|
|
|
|
|
20
|
|
|
use Xmf\Request; |
|
|
|
|
|
|
21
|
|
|
|
|
22
|
|
|
defined('XOOPS_ROOT_PATH') || exit('Restricted access'); |
|
23
|
|
|
|
|
24
|
|
|
// RMV-NOTIFY |
|
25
|
|
|
|
|
26
|
|
|
// FIXME: Do some caching, so we don't retrieve the same category / event |
|
27
|
|
|
// info many times. |
|
28
|
|
|
|
|
29
|
|
|
/** |
|
30
|
|
|
* Determine if notification is enabled for the selected module. |
|
31
|
|
|
* |
|
32
|
|
|
* @param string $style Subscription style: 'block' or 'inline' |
|
33
|
|
|
* @param int $module_id ID of the module (default current module) |
|
34
|
|
|
* @return bool |
|
35
|
|
|
*/ |
|
36
|
|
|
function notificationEnabled($style, $module_id = null) |
|
37
|
|
|
{ |
|
38
|
|
|
if (isset($GLOBALS['xoopsModuleConfig']['notification_enabled'])) { |
|
39
|
|
|
$status = $GLOBALS['xoopsModuleConfig']['notification_enabled']; |
|
40
|
|
|
} else { |
|
41
|
|
|
if (!isset($module_id)) { |
|
42
|
|
|
return false; |
|
43
|
|
|
} |
|
44
|
|
|
/** @var XoopsModuleHandler $module_handler */ |
|
45
|
|
|
$module_handler = xoops_getHandler('module'); |
|
46
|
|
|
$module = $module_handler->get($module_id); |
|
47
|
|
|
if (!empty($module) && $module->getVar('hasnotification') == 1) { |
|
48
|
|
|
/** @var XoopsConfigHandler $config_handler */ |
|
49
|
|
|
$config_handler = xoops_getHandler('config'); |
|
50
|
|
|
$config = $config_handler->getConfigsByCat(0, $module_id); |
|
51
|
|
|
$status = $config['notification_enabled']; |
|
52
|
|
|
} else { |
|
53
|
|
|
return false; |
|
54
|
|
|
} |
|
55
|
|
|
} |
|
56
|
|
|
include_once $GLOBALS['xoops']->path('include/notification_constants.php'); |
|
57
|
|
|
if (($style === 'block') && ($status === XOOPS_NOTIFICATION_ENABLEBLOCK || $status === XOOPS_NOTIFICATION_ENABLEBOTH)) { |
|
58
|
|
|
return true; |
|
59
|
|
|
} |
|
60
|
|
|
|
|
61
|
|
|
return ($style === 'inline') && ($status === XOOPS_NOTIFICATION_ENABLEINLINE || $status === XOOPS_NOTIFICATION_ENABLEBOTH); |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
|
|
/** |
|
65
|
|
|
* Get an associative array of info for a particular notification |
|
66
|
|
|
* category in the selected module. If no category is selected, |
|
67
|
|
|
* return an array of info for all categories. |
|
68
|
|
|
* |
|
69
|
|
|
* @param string $category_name |
|
70
|
|
|
* @param int|null $module_id ID of the module (default current module) |
|
71
|
|
|
* |
|
72
|
|
|
* @internal param string $name Category name (default all categories) |
|
73
|
|
|
* @return mixed |
|
74
|
|
|
*/ |
|
75
|
|
|
function ¬ificationCategoryInfo($category_name = '', ?int $module_id = null) |
|
76
|
|
|
{ |
|
77
|
|
|
if (!isset($module_id)) { |
|
78
|
|
|
global $xoopsModule; |
|
79
|
|
|
$module_id = !empty($xoopsModule) ? $xoopsModule->getVar('mid') : 0; |
|
|
|
|
|
|
80
|
|
|
$module = & $xoopsModule; |
|
81
|
|
|
} else { |
|
82
|
|
|
/** @var XoopsModuleHandler $module_handler */ |
|
83
|
|
|
$module_handler = xoops_getHandler('module'); |
|
84
|
|
|
$module = $module_handler->get($module_id); |
|
85
|
|
|
} |
|
86
|
|
|
|
|
87
|
|
|
if (null !== $module) { |
|
88
|
|
|
$not_config = &$module->getInfo('notification'); |
|
89
|
|
|
} |
|
90
|
|
|
if (empty($category_name)) { |
|
91
|
|
|
return $not_config['category']; |
|
|
|
|
|
|
92
|
|
|
} |
|
93
|
|
|
foreach ($not_config['category'] as $category) { |
|
94
|
|
|
if ($category['name'] == $category_name) { |
|
95
|
|
|
return $category; |
|
96
|
|
|
} |
|
97
|
|
|
} |
|
98
|
|
|
$ret = false; |
|
99
|
|
|
|
|
100
|
|
|
return $ret; |
|
101
|
|
|
} |
|
102
|
|
|
|
|
103
|
|
|
/** |
|
104
|
|
|
* Get associative array of info for the category to which comment events |
|
105
|
|
|
* belong. |
|
106
|
|
|
* |
|
107
|
|
|
* @todo This could be more efficient... maybe specify in |
|
108
|
|
|
* $modversion['comments'] the notification category. |
|
109
|
|
|
* This would also serve as a way to enable notification |
|
110
|
|
|
* of comments, and also remove the restriction that |
|
111
|
|
|
* all notification categories must have unique item_name. (TODO) |
|
112
|
|
|
* |
|
113
|
|
|
* @param int $module_id ID of the module (default current module) |
|
114
|
|
|
* @return mixed Associative array of category info |
|
115
|
|
|
*/ |
|
116
|
|
|
function ¬ificationCommentCategoryInfo($module_id = null) |
|
117
|
|
|
{ |
|
118
|
|
|
$ret = false; |
|
119
|
|
|
$all_categories = & notificationCategoryInfo('', $module_id); |
|
120
|
|
|
if (empty($all_categories)) { |
|
121
|
|
|
return $ret; |
|
122
|
|
|
} |
|
123
|
|
|
foreach ($all_categories as $category) { |
|
124
|
|
|
$all_events = & notificationEvents($category['name'], false, $module_id); |
|
125
|
|
|
if (empty($all_events)) { |
|
126
|
|
|
continue; |
|
127
|
|
|
} |
|
128
|
|
|
foreach ($all_events as $event) { |
|
129
|
|
|
if ($event['name'] === 'comment') { |
|
130
|
|
|
return $category; |
|
131
|
|
|
} |
|
132
|
|
|
} |
|
133
|
|
|
} |
|
134
|
|
|
|
|
135
|
|
|
return $ret; |
|
136
|
|
|
} |
|
137
|
|
|
|
|
138
|
|
|
// TODO: some way to include or exclude admin-only events... |
|
139
|
|
|
|
|
140
|
|
|
/** |
|
141
|
|
|
* Get an array of info for all events (each event has associative array) |
|
142
|
|
|
* in the selected category of the selected module. |
|
143
|
|
|
* |
|
144
|
|
|
* @param string $category_name Category name |
|
145
|
|
|
* @param bool $enabled_only If true, return only enabled events |
|
146
|
|
|
* @param int $module_id ID of the module (default current module) |
|
147
|
|
|
* @return mixed |
|
148
|
|
|
*/ |
|
149
|
|
|
function ¬ificationEvents($category_name, $enabled_only, $module_id = null) |
|
150
|
|
|
{ |
|
151
|
|
|
if (!isset($module_id)) { |
|
152
|
|
|
global $xoopsModule; |
|
153
|
|
|
$module_id = !empty($xoopsModule) ? $xoopsModule->getVar('mid') : 0; |
|
154
|
|
|
$module = & $xoopsModule; |
|
155
|
|
|
} else { |
|
156
|
|
|
/** @var XoopsModuleHandler $module_handler */ |
|
157
|
|
|
$module_handler = xoops_getHandler('module'); |
|
158
|
|
|
$module = $module_handler->get($module_id); |
|
159
|
|
|
} |
|
160
|
|
|
$not_config = $module->getInfo('notification'); |
|
161
|
|
|
/** @var XoopsConfigHandler $config_handler */ |
|
162
|
|
|
$config_handler = xoops_getHandler('config'); |
|
163
|
|
|
$mod_config = $config_handler->getConfigsByCat(0, $module_id); |
|
|
|
|
|
|
164
|
|
|
|
|
165
|
|
|
$category = & notificationCategoryInfo($category_name, $module_id); |
|
166
|
|
|
|
|
167
|
|
|
global $xoopsConfig; |
|
168
|
|
|
$event_array = []; |
|
169
|
|
|
|
|
170
|
|
|
$override_comment = false; |
|
171
|
|
|
$override_commentsubmit = false; |
|
172
|
|
|
$override_bookmark = false; |
|
173
|
|
|
|
|
174
|
|
|
foreach ($not_config['event'] as $event) { |
|
175
|
|
|
if ($event['category'] == $category_name) { |
|
176
|
|
|
if (!is_dir($dir = XOOPS_ROOT_PATH . '/modules/' . $module->getVar('dirname') . '/language/' . $xoopsConfig['language'] . '/mail_template/')) { |
|
177
|
|
|
$dir = XOOPS_ROOT_PATH . '/modules/' . $module->getVar('dirname') . '/language/english/mail_template/'; |
|
178
|
|
|
} |
|
179
|
|
|
$event['mail_template_dir'] = $dir; |
|
180
|
|
|
if (!$enabled_only || notificationEventEnabled($category, $event, $module)) { |
|
|
|
|
|
|
181
|
|
|
$event_array[] = $event; |
|
182
|
|
|
} |
|
183
|
|
|
if ($event['name'] === 'comment') { |
|
184
|
|
|
$override_comment = true; |
|
185
|
|
|
} |
|
186
|
|
|
if ($event['name'] === 'comment_submit') { |
|
187
|
|
|
$override_commentsubmit = true; |
|
188
|
|
|
} |
|
189
|
|
|
if ($event['name'] === 'bookmark') { |
|
190
|
|
|
$override_bookmark = true; |
|
191
|
|
|
} |
|
192
|
|
|
} |
|
193
|
|
|
} |
|
194
|
|
|
|
|
195
|
|
|
xoops_loadLanguage('notification'); |
|
196
|
|
|
// Insert comment info if applicable |
|
197
|
|
|
|
|
198
|
|
|
if ($module->getVar('hascomments')) { |
|
199
|
|
|
$com_config = $module->getInfo('comments'); |
|
200
|
|
|
if (!empty($category['item_name']) && $category['item_name'] == $com_config['itemName']) { |
|
201
|
|
|
if (!is_dir($dir = XOOPS_ROOT_PATH . '/language/' . $xoopsConfig['language'] . '/mail_template/')) { |
|
202
|
|
|
$dir = XOOPS_ROOT_PATH . '/language/english/mail_template/'; |
|
203
|
|
|
} |
|
204
|
|
|
$mail_template_dir = $dir; |
|
205
|
|
|
|
|
206
|
|
|
include_once $GLOBALS['xoops']->path('include/comment_constants.php'); |
|
207
|
|
|
/** @var \XoopsConfigHandler $config_handler */ |
|
208
|
|
|
$config_handler = xoops_getHandler('config'); |
|
209
|
|
|
$com_config = $config_handler->getConfigsByCat(0, $module_id); |
|
210
|
|
|
if (!$enabled_only) { |
|
211
|
|
|
$insert_comment = true; |
|
212
|
|
|
$insert_submit = true; |
|
213
|
|
|
} else { |
|
214
|
|
|
$insert_comment = false; |
|
215
|
|
|
$insert_submit = false; |
|
216
|
|
|
switch ($com_config['com_rule']) { |
|
217
|
|
|
case XOOPS_COMMENT_APPROVENONE: |
|
218
|
|
|
// comments disabled, no comment events |
|
219
|
|
|
break; |
|
220
|
|
|
case XOOPS_COMMENT_APPROVEALL: |
|
221
|
|
|
// all comments are automatically approved, no 'submit' |
|
222
|
|
|
if (!$override_comment) { |
|
223
|
|
|
$insert_comment = true; |
|
224
|
|
|
} |
|
225
|
|
|
break; |
|
226
|
|
|
case XOOPS_COMMENT_APPROVEUSER: |
|
227
|
|
|
case XOOPS_COMMENT_APPROVEADMIN: |
|
228
|
|
|
// comments first submitted, require later approval |
|
229
|
|
|
if (!$override_comment) { |
|
230
|
|
|
$insert_comment = true; |
|
231
|
|
|
} |
|
232
|
|
|
if (!$override_commentsubmit) { |
|
233
|
|
|
$insert_submit = true; |
|
234
|
|
|
} |
|
235
|
|
|
break; |
|
236
|
|
|
} |
|
237
|
|
|
} |
|
238
|
|
|
if ($insert_comment) { |
|
239
|
|
|
$event = [ |
|
240
|
|
|
'name' => 'comment', |
|
241
|
|
|
'category' => $category['name'], |
|
242
|
|
|
'title' => _NOT_COMMENT_NOTIFY, |
|
243
|
|
|
'caption' => _NOT_COMMENT_NOTIFYCAP, |
|
244
|
|
|
'description' => _NOT_COMMENT_NOTIFYDSC, |
|
245
|
|
|
'mail_template_dir' => $mail_template_dir, |
|
246
|
|
|
'mail_template' => 'comment_notify', |
|
247
|
|
|
'mail_subject' => _NOT_COMMENT_NOTIFYSBJ, |
|
248
|
|
|
]; |
|
249
|
|
|
if (!$enabled_only || notificationEventEnabled($category, $event, $module)) { |
|
250
|
|
|
$event_array[] = $event; |
|
251
|
|
|
} |
|
252
|
|
|
} |
|
253
|
|
|
if ($insert_submit) { |
|
254
|
|
|
$event = [ |
|
255
|
|
|
'name' => 'comment_submit', |
|
256
|
|
|
'category' => $category['name'], |
|
257
|
|
|
'title' => _NOT_COMMENTSUBMIT_NOTIFY, |
|
258
|
|
|
'caption' => _NOT_COMMENTSUBMIT_NOTIFYCAP, |
|
259
|
|
|
'description' => _NOT_COMMENTSUBMIT_NOTIFYDSC, |
|
260
|
|
|
'mail_template_dir' => $mail_template_dir, |
|
261
|
|
|
'mail_template' => 'commentsubmit_notify', |
|
262
|
|
|
'mail_subject' => _NOT_COMMENTSUBMIT_NOTIFYSBJ, |
|
263
|
|
|
'admin_only' => 1, |
|
264
|
|
|
]; |
|
265
|
|
|
if (!$enabled_only || notificationEventEnabled($category, $event, $module)) { |
|
266
|
|
|
$event_array[] = $event; |
|
267
|
|
|
} |
|
268
|
|
|
} |
|
269
|
|
|
} |
|
270
|
|
|
} |
|
271
|
|
|
|
|
272
|
|
|
// Insert bookmark info if appropriate |
|
273
|
|
|
|
|
274
|
|
|
if (!empty($category['allow_bookmark'])) { |
|
275
|
|
|
if (!$override_bookmark) { |
|
276
|
|
|
$event = [ |
|
277
|
|
|
'name' => 'bookmark', |
|
278
|
|
|
'category' => $category['name'], |
|
279
|
|
|
'title' => _NOT_BOOKMARK_NOTIFY, |
|
280
|
|
|
'caption' => _NOT_BOOKMARK_NOTIFYCAP, |
|
281
|
|
|
'description' => _NOT_BOOKMARK_NOTIFYDSC, |
|
282
|
|
|
]; |
|
283
|
|
|
if (!$enabled_only || notificationEventEnabled($category, $event, $module)) { |
|
284
|
|
|
$event_array[] = $event; |
|
285
|
|
|
} |
|
286
|
|
|
} |
|
287
|
|
|
} |
|
288
|
|
|
|
|
289
|
|
|
return $event_array; |
|
290
|
|
|
} |
|
291
|
|
|
|
|
292
|
|
|
/** |
|
293
|
|
|
* Determine whether a particular notification event is enabled. |
|
294
|
|
|
* Depends on module config options. |
|
295
|
|
|
* |
|
296
|
|
|
* @todo Check that this works correctly for comment and other |
|
297
|
|
|
* events which depend on additional config options... |
|
298
|
|
|
* |
|
299
|
|
|
* @param array $category Category info array |
|
300
|
|
|
* @param array $event Event info array |
|
301
|
|
|
* @param object $module Module |
|
302
|
|
|
* @return bool |
|
303
|
|
|
**/ |
|
304
|
|
|
function notificationEventEnabled($category, $event, $module) |
|
305
|
|
|
{ |
|
306
|
|
|
/** @var XoopsConfigHandler $config_handler */ |
|
307
|
|
|
$config_handler = xoops_getHandler('config'); |
|
308
|
|
|
$mod_config = $config_handler->getConfigsByCat(0, $module->getVar('mid')); |
|
309
|
|
|
|
|
310
|
|
|
if (is_array($mod_config['notification_events']) && $mod_config['notification_events'] != []) { |
|
311
|
|
|
$option_name = notificationGenerateConfig($category, $event, 'option_name'); |
|
312
|
|
|
if (in_array($option_name, $mod_config['notification_events'])) { |
|
313
|
|
|
return true; |
|
314
|
|
|
} |
|
315
|
|
|
$notification_handler = xoops_getHandler('notification'); |
|
|
|
|
|
|
316
|
|
|
} |
|
317
|
|
|
|
|
318
|
|
|
return false; |
|
319
|
|
|
} |
|
320
|
|
|
|
|
321
|
|
|
/** |
|
322
|
|
|
* Get associative array of info for the selected event in the selected |
|
323
|
|
|
* category (for the selected module). |
|
324
|
|
|
* |
|
325
|
|
|
* @param string $category_name Notification category |
|
326
|
|
|
* @param string $event_name Notification event |
|
327
|
|
|
* @param int $module_id ID of the module (default current module) |
|
328
|
|
|
* @return mixed |
|
329
|
|
|
*/ |
|
330
|
|
|
function ¬ificationEventInfo($category_name, $event_name, $module_id = null) |
|
331
|
|
|
{ |
|
332
|
|
|
$all_events = & notificationEvents($category_name, false, $module_id); |
|
333
|
|
|
foreach ($all_events as $event) { |
|
334
|
|
|
if ($event['name'] == $event_name) { |
|
335
|
|
|
return $event; |
|
336
|
|
|
} |
|
337
|
|
|
} |
|
338
|
|
|
$ret = false; |
|
339
|
|
|
|
|
340
|
|
|
return $ret; |
|
341
|
|
|
} |
|
342
|
|
|
|
|
343
|
|
|
/** |
|
344
|
|
|
* Get an array of associative info arrays for subscribable categories |
|
345
|
|
|
* for the selected module. |
|
346
|
|
|
* |
|
347
|
|
|
* @param int|null $module_id ID of the module |
|
348
|
|
|
* @return mixed |
|
349
|
|
|
*/ |
|
350
|
|
|
|
|
351
|
|
|
function ¬ificationSubscribableCategoryInfo(?int $module_id = null) |
|
352
|
|
|
{ |
|
353
|
|
|
$all_categories = & notificationCategoryInfo('', $module_id); |
|
354
|
|
|
|
|
355
|
|
|
// FIXME: better or more standardized way to do this? |
|
356
|
|
|
$script_url = explode('/', $_SERVER['PHP_SELF']); |
|
357
|
|
|
$script_name = $script_url[count($script_url) - 1]; |
|
358
|
|
|
|
|
359
|
|
|
$sub_categories = []; |
|
360
|
|
|
if (null != $all_categories) { |
|
361
|
|
|
foreach ($all_categories as $category) { |
|
362
|
|
|
// Check the script name |
|
363
|
|
|
$subscribe_from = $category['subscribe_from']; |
|
364
|
|
|
if (!is_array($subscribe_from)) { |
|
365
|
|
|
if ($subscribe_from === '*') { |
|
366
|
|
|
$subscribe_from = [ |
|
367
|
|
|
$script_name, |
|
368
|
|
|
]; |
|
369
|
|
|
// FIXME: this is just a hack: force a match |
|
370
|
|
|
} else { |
|
371
|
|
|
$subscribe_from = [ |
|
372
|
|
|
$subscribe_from, |
|
373
|
|
|
]; |
|
374
|
|
|
} |
|
375
|
|
|
} |
|
376
|
|
|
if (!in_array($script_name, $subscribe_from)) { |
|
377
|
|
|
continue; |
|
378
|
|
|
} |
|
379
|
|
|
// If 'item_name' is missing, automatic match. Otherwise, |
|
380
|
|
|
// check if that argument exists... |
|
381
|
|
|
if (empty($category['item_name'])) { |
|
382
|
|
|
$category['item_name'] = ''; |
|
383
|
|
|
$category['item_id'] = 0; |
|
384
|
|
|
$sub_categories[] = $category; |
|
385
|
|
|
} else { |
|
386
|
|
|
$item_name = $category['item_name']; |
|
387
|
|
|
$id = ($item_name != '' && isset($_GET[$item_name])) ? Request::getInt($item_name, 0, 'GET') : 0; |
|
388
|
|
|
if ($id > 0) { |
|
389
|
|
|
$category['item_id'] = $id; |
|
390
|
|
|
$sub_categories[] = $category; |
|
391
|
|
|
} |
|
392
|
|
|
} |
|
393
|
|
|
} |
|
394
|
|
|
} |
|
395
|
|
|
return $sub_categories; |
|
396
|
|
|
} |
|
397
|
|
|
|
|
398
|
|
|
/** |
|
399
|
|
|
* Generate module config info for a particular category, event pair. |
|
400
|
|
|
* The selectable config options are given names depending on the |
|
401
|
|
|
* category and event names, and the text depends on the category |
|
402
|
|
|
* and event titles. These are pieced together in this function in |
|
403
|
|
|
* case we wish to alter the syntax. |
|
404
|
|
|
* |
|
405
|
|
|
* @param array $category Array of category info |
|
406
|
|
|
* @param array $event Array of event info |
|
407
|
|
|
* @param string $type The particular name to generate |
|
408
|
|
|
* return string |
|
409
|
|
|
* * |
|
410
|
|
|
* |
|
411
|
|
|
* @return bool|string |
|
412
|
|
|
*/ |
|
413
|
|
|
function notificationGenerateConfig($category, $event, $type) |
|
414
|
|
|
{ |
|
415
|
|
|
switch ($type) { |
|
416
|
|
|
case 'option_value': |
|
417
|
|
|
case 'name': |
|
418
|
|
|
return 'notify:' . $category['name'] . '-' . $event['name']; |
|
419
|
|
|
break; |
|
|
|
|
|
|
420
|
|
|
case 'option_name': |
|
421
|
|
|
return $category['name'] . '-' . $event['name']; |
|
422
|
|
|
break; |
|
423
|
|
|
default: |
|
424
|
|
|
return false; |
|
425
|
|
|
break; |
|
426
|
|
|
} |
|
427
|
|
|
} |
|
428
|
|
|
|
Let?s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let?s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: