flack /
openpsa
| Total Complexity | 41 |
| Total Lines | 244 |
| Duplicated Lines | 0 % |
| Coverage | 59.5% |
| Changes | 0 | ||
Complex classes like net_nehmer_comments_handler_view often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use net_nehmer_comments_handler_view, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 23 | class net_nehmer_comments_handler_view extends midcom_baseclasses_components_handler |
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| 24 | { |
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| 25 | use net_nehmer_comments_handler; |
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introduced
by
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| 26 | |||
| 27 | private ?schemadb $_schemadb = null; |
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| 28 | |||
| 29 | /** |
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| 30 | * @var net_nehmer_comments_comment[] |
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| 31 | */ |
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| 32 | private array $_comments = []; |
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| 33 | |||
| 34 | private net_nehmer_comments_comment $_new_comment; |
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| 35 | |||
| 36 | private string $_objectguid; |
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| 37 | |||
| 38 | private controller $_post_controller; |
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| 39 | |||
| 40 | private datamanager $_display_datamanager; |
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| 41 | |||
| 42 | /** |
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| 43 | * Prepares the request data |
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| 44 | */ |
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| 45 | 2 | private function _prepare_request_data() |
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| 46 | { |
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| 47 | 2 | $this->_request_data['objectguid'] = $this->_objectguid; |
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| 48 | 2 | $this->_request_data['post_controller'] = $this->_post_controller; |
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| 49 | } |
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| 50 | |||
| 51 | /** |
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| 52 | * Prepares the _display_datamanager member. |
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| 53 | */ |
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| 54 | private function _init_display_datamanager() |
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| 55 | { |
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| 56 | $this->_load_schemadb(); |
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| 57 | $this->_display_datamanager = new datamanager($this->_schemadb); |
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| 58 | $this->_request_data['display_datamanager'] = $this->_display_datamanager; |
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| 59 | } |
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| 60 | |||
| 61 | /** |
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| 62 | * Loads the schemadb (unless it has already been loaded). |
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| 63 | */ |
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| 64 | 2 | private function _load_schemadb() |
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| 65 | { |
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| 66 | 2 | if (!$this->_schemadb) { |
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| 67 | 2 | $this->_schemadb = schemadb::from_path($this->_config->get('schemadb')); |
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| 68 | |||
| 69 | 2 | if ( $this->_config->get('use_captcha') |
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| 70 | 2 | || ( !midcom::get()->auth->user |
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| 71 | 2 | && $this->_config->get('use_captcha_if_anonymous'))) { |
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| 72 | $fields = $this->_schemadb->get('comment')->get('fields'); |
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| 73 | $fields['captcha'] = [ |
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| 74 | 'title' => $this->_l10n_midcom->get('captcha field title'), |
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| 75 | 'storage' => null, |
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| 76 | 'type' => 'captcha', |
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| 77 | 'widget' => 'captcha', |
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| 78 | 'widget_config' => $this->_config->get_array('captcha_config'), |
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| 79 | ]; |
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| 80 | $this->_schemadb->get('comment')->set('fields', $fields); |
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| 81 | } |
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| 82 | |||
| 83 | 2 | if ( $this->_config->get('ratings_enable') |
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| 84 | 2 | && $this->_schemadb->get('comment')->has_field('rating')) { |
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| 85 | $this->_schemadb->get('comment')->get_field('rating')['hidden'] = false; |
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| 86 | } |
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| 87 | } |
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| 88 | } |
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| 89 | |||
| 90 | /** |
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| 91 | * Initializes a DM for posting. |
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| 92 | */ |
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| 93 | 2 | private function _init_post_controller(Request $request) |
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| 94 | { |
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| 95 | 2 | $this->_load_schemadb(); |
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| 96 | |||
| 97 | 2 | $defaults = []; |
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| 98 | 2 | if (midcom::get()->auth->user) { |
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| 99 | 2 | $defaults['author'] = midcom::get()->auth->user->name; |
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| 100 | } |
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| 101 | |||
| 102 | 2 | $this->_new_comment = new net_nehmer_comments_comment(); |
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| 103 | 2 | $this->_new_comment->objectguid = $this->_objectguid; |
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| 104 | 2 | $this->_new_comment->ip = $request->getClientIp(); |
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| 105 | |||
| 106 | 2 | if (midcom::get()->auth->user) { |
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| 107 | 2 | $this->_new_comment->status = net_nehmer_comments_comment::NEW_USER; |
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| 108 | 2 | $this->_new_comment->author = midcom::get()->auth->user->name; |
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| 109 | } else { |
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| 110 | $this->_new_comment->status = net_nehmer_comments_comment::NEW_ANONYMOUS; |
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| 111 | } |
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| 112 | |||
| 113 | 2 | if ($this->_config->get('enable_notify')) { |
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| 114 | 2 | $this->_new_comment->_send_notification = true; |
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| 115 | } |
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| 116 | |||
| 117 | 2 | $dm = new datamanager($this->_schemadb); |
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| 118 | 2 | $this->_post_controller = $dm |
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| 119 | 2 | ->set_defaults($defaults) |
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| 120 | 2 | ->set_storage($this->_new_comment) |
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| 121 | 2 | ->get_controller(); |
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| 122 | } |
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| 123 | |||
| 124 | /** |
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| 125 | * Loads the comments, does any processing according to the state of the GET list. |
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| 126 | * On successful processing we relocate once to ourself. |
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| 127 | */ |
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| 128 | 2 | public function _handler_comments(Request $request, string $handler_id, array &$data, string $guid, string $view = null) |
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| 129 | { |
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| 130 | 2 | $this->_objectguid = $guid; |
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| 131 | 2 | midcom::get()->cache->content->register($this->_objectguid); |
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| 132 | |||
| 133 | 2 | if ($handler_id == 'view-comments-nonempty') { |
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| 134 | 1 | $this->_comments = net_nehmer_comments_comment::list_by_objectguid_filter_anonymous( |
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| 135 | 1 | $this->_objectguid, |
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| 136 | 1 | $this->_config->get('items_to_show'), |
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| 137 | 1 | $this->_config->get('item_ordering'), |
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| 138 | 1 | $this->_config->get('paging') |
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| 139 | 1 | ); |
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| 140 | } else { |
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| 141 | 1 | $this->_comments = net_nehmer_comments_comment::list_by_objectguid( |
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| 142 | 1 | $this->_objectguid, |
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| 143 | 1 | $this->_config->get('items_to_show'), |
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| 144 | 1 | $this->_config->get('item_ordering'), |
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| 145 | 1 | $this->_config->get('paging') |
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| 146 | 1 | ); |
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| 147 | } |
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| 148 | |||
| 149 | 2 | if ($this->_config->get('paging') !== false) { |
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| 150 | $data['qb_pager'] = $this->_comments; |
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| 151 | $this->_comments = $this->_comments->execute(); |
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| 152 | } |
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| 153 | |||
| 154 | 2 | if ( midcom::get()->auth->user |
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| 155 | 2 | || $this->_config->get('allow_anonymous')) { |
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| 156 | 2 | $this->_init_post_controller($request); |
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| 157 | 2 | if ($response = $this->_process_post($request)) { |
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| 158 | return $response; |
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| 159 | } |
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| 160 | } |
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| 161 | 2 | if ($this->_comments) { |
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| 162 | $this->_init_display_datamanager(); |
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| 163 | } |
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| 164 | |||
| 165 | 2 | if ($handler_id == 'view-comments-custom') { |
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| 166 | midcom::get()->skip_page_style = true; |
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| 167 | $data['custom_view'] = $view; |
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| 168 | } |
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| 169 | |||
| 170 | 2 | $this->_prepare_request_data(); |
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| 171 | 2 | midcom::get()->metadata->set_request_metadata($this->_get_last_modified(), $this->_objectguid); |
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| 172 | |||
| 173 | 2 | if ($request->isXmlHttpRequest()) { |
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| 174 | midcom::get()->skip_page_style = true; |
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| 175 | } |
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| 176 | } |
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| 177 | |||
| 178 | /** |
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| 179 | * Checks if a new post has been submitted. |
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| 180 | */ |
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| 181 | 2 | private function _process_post(Request $request) |
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| 182 | { |
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| 183 | 2 | if ( !midcom::get()->auth->user |
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| 184 | 2 | && !midcom::get()->auth->request_sudo('net.nehmer.comments')) { |
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| 185 | throw new midcom_error('We were anonymous but could not acquire SUDO privileges, aborting'); |
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| 186 | } |
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| 187 | |||
| 188 | 2 | switch ($this->_post_controller->handle($request)) { |
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| 189 | 2 | case 'save': |
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| 190 | // Check against comment spam |
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| 191 | if ($this->_config->get('enable_spam_check')) { |
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| 192 | net_nehmer_comments_spamchecker::check($this->_new_comment); |
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| 193 | } |
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| 194 | |||
| 195 | $formdata = $this->_post_controller->get_form_values(); |
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| 196 | if ( $formdata['subscribe'] |
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| 197 | && midcom::get()->auth->user) { |
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| 198 | // User wants to subscribe to receive notifications about this comments thread |
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| 199 | |||
| 200 | // Get the object we're commenting |
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| 201 | $parent = midcom::get()->dbfactory->get_object_by_guid($this->_objectguid); |
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| 202 | |||
| 203 | // Sudo so we can update the parent object |
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| 204 | if (midcom::get()->auth->request_sudo($this->_component)) { |
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| 205 | // Save the subscription |
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| 206 | $parent->set_parameter('net.nehmer.comments:subscription', midcom::get()->auth->user->guid, time()); |
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| 207 | |||
| 208 | // Return back from the sudo state |
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| 209 | midcom::get()->auth->drop_sudo(); |
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| 210 | } |
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| 211 | } |
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| 212 | |||
| 213 | midcom::get()->cache->invalidate($this->_objectguid); |
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| 214 | // Fall-through intentional |
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| 215 | |||
| 216 | 2 | case 'cancel': |
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| 217 | if (!midcom::get()->auth->user) { |
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| 218 | midcom::get()->auth->drop_sudo(); |
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| 219 | } |
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| 220 | return new midcom_response_relocate($request->getRequestUri()); |
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| 221 | } |
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| 222 | } |
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| 223 | |||
| 224 | /** |
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| 225 | * Determines the last modified timestamp. It is the max out of all revised timestamps |
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| 226 | * of the comments (or 0 in case nothing was found). |
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| 227 | */ |
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| 228 | 2 | private function _get_last_modified() : int |
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| 229 | { |
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| 230 | 2 | return array_reduce($this->_comments, function ($carry, net_nehmer_comments_comment $item) { |
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| 231 | return max($item->metadata->revised, $carry); |
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| 232 | 2 | }, 0); |
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| 233 | } |
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| 234 | |||
| 235 | /** |
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| 236 | * Display the comment list and the submit-comment form. |
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| 237 | */ |
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| 238 | 2 | public function _show_comments(string $handler_id, array &$data) |
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| 267 | } |
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| 268 | } |
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| 269 |
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