mod/cal.php

   1 <?php
   2 /**
   3  * @file mod/cal.php
   4  * @brief The calendar module
   5  *      This calendar is for profile visitors and contains only the events
   6  *      of the profile owner
   7  */
   8
   9 use Friendica\App;
  10 use Friendica\Content\Feature;
  11 use Friendica\Content\Nav;
  12 use Friendica\Content\Widget;
  13 use Friendica\Core\Config;
  14 use Friendica\Core\L10n;
  15 use Friendica\Core\Renderer;
  16 use Friendica\Core\System;
  17 use Friendica\Database\DBA;
  18 use Friendica\Model\Contact;
  19 use Friendica\Model\Event;
  20 use Friendica\Model\Group;
  21 use Friendica\Model\Item;
  22 use Friendica\Model\Profile;
  23 use Friendica\Protocol\DFRN;
  24 use Friendica\Util\DateTimeFormat;
  25 use Friendica\Util\Temporal;
  26
  27 function cal_init(App $a)
  28 {
  29         if ($a->argc > 1) {
  30                 DFRN::autoRedir($a, $a->argv[1]);
  31         }
  32
  33         if (Config::get('system', 'block_public') && !local_user() && !remote_user()) {
  34                 throw new \Friendica\Network\HTTPException\ForbiddenException(L10n::t('Access denied.'));
  35         }
  36
  37         if ($a->argc < 2) {
  38                 throw new \Friendica\Network\HTTPException\ForbiddenException(L10n::t('Access denied.'));
  39         }
  40
  41         Nav::setSelected('events');
  42
  43         $nick = $a->argv[1];
  44         $user = DBA::selectFirst('user', [], ['nickname' => $nick, 'blocked' => false]);
  45         if (!DBA::isResult($user)) {
  46                 throw new \Friendica\Network\HTTPException\NotFoundException();
  47         }
  48
  49         $a->data['user'] = $user;
  50         $a->profile_uid = $user['uid'];
  51
  52         // if it's a json request abort here becaus we don't
  53         // need the widget data
  54         if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
  55                 return;
  56         }
  57
  58         $profile = Profile::getByNickname($nick, $a->profile_uid);
  59
  60         $account_type = Contact::getAccountType($profile);
  61
  62         $tpl = Renderer::getMarkupTemplate("widget/vcard.tpl");
  63
  64         $vcard_widget = Renderer::replaceMacros($tpl, [
  65                 '$name' => $profile['name'],
  66                 '$photo' => $profile['photo'],
  67                 '$addr' => (($profile['addr'] != "") ? $profile['addr'] : ""),
  68                 '$account_type' => $account_type,
  69                 '$pdesc' => (($profile['pdesc'] != "") ? $profile['pdesc'] : ""),
  70         ]);
  71
  72         $cal_widget = Widget\CalendarExport::getHTML();
  73
  74         if (empty($a->page['aside'])) {
  75                 $a->page['aside'] = '';
  76         }
  77
  78         $a->page['aside'] .= $vcard_widget;
  79         $a->page['aside'] .= $cal_widget;
  80
  81         return;
  82 }
  83
  84 function cal_content(App $a)
  85 {
  86         Nav::setSelected('events');
  87
  88         // get the translation strings for the callendar
  89         $i18n = Event::getStrings();
  90
  91         $htpl = Renderer::getMarkupTemplate('event_head.tpl');
  92         $a->page['htmlhead'] .= Renderer::replaceMacros($htpl, [
  93                 '$module_url' => '/cal/' . $a->data['user']['nickname'],
  94                 '$modparams' => 2,
  95                 '$i18n' => $i18n,
  96         ]);
  97
  98         $mode = 'view';
  99         $y = 0;
 100         $m = 0;
 101         $ignored = (!empty($_REQUEST['ignored']) ? intval($_REQUEST['ignored']) : 0);
 102
 103         $format = 'ical';
 104         if ($a->argc == 4 && $a->argv[2] == 'export') {
 105                 $mode = 'export';
 106                 $format = $a->argv[3];
 107         }
 108
 109         // Setup permissions structures
 110         $remote_contact = false;
 111         $contact_id = 0;
 112
 113         $owner_uid = intval($a->data['user']['uid']);
 114         $nick = $a->data['user']['nickname'];
 115
 116         if (!empty(remote_user($a->profile['profile_uid']))) {
 117                 $contact_id = remote_user($a->profile['profile_uid']);
 118         }
 119
 120         $groups = [];
 121         if ($contact_id) {
 122                 $groups = Group::getIdsByContactId($contact_id);
 123                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 124                         intval($contact_id),
 125                         intval($a->profile['profile_uid'])
 126                 );
 127                 if (DBA::isResult($r)) {
 128                         $remote_contact = true;
 129                 }
 130         }
 131
 132         $is_owner = local_user() == $a->profile['profile_uid'];
 133
 134         if ($a->profile['hidewall'] && !$is_owner && !$remote_contact) {
 135                 notice(L10n::t('Access to this profile has been restricted.') . EOL);
 136                 return;
 137         }
 138
 139         // get the permissions
 140         $sql_perms = Item::getPermissionsSQLByUserId($owner_uid, $remote_contact, $groups);
 141         // we only want to have the events of the profile owner
 142         $sql_extra = " AND `event`.`cid` = 0 " . $sql_perms;
 143
 144         // get the tab navigation bar
 145         $tabs = Profile::getTabs($a, 'cal', false, $a->data['user']['nickname']);
 146
 147         // The view mode part is similiar to /mod/events.php
 148         if ($mode == 'view') {
 149                 $thisyear = DateTimeFormat::localNow('Y');
 150                 $thismonth = DateTimeFormat::localNow('m');
 151                 if (!$y) {
 152                         $y = intval($thisyear);
 153                 }
 154
 155                 if (!$m) {
 156                         $m = intval($thismonth);
 157                 }
 158
 159                 // Put some limits on dates. The PHP date functions don't seem to do so well before 1900.
 160                 // An upper limit was chosen to keep search engines from exploring links millions of years in the future.
 161
 162                 if ($y < 1901) {
 163                         $y = 1900;
 164                 }
 165
 166                 if ($y > 2099) {
 167                         $y = 2100;
 168                 }
 169
 170                 $nextyear = $y;
 171                 $nextmonth = $m + 1;
 172                 if ($nextmonth > 12) {
 173                         $nextmonth = 1;
 174                         $nextyear ++;
 175                 }
 176
 177                 $prevyear = $y;
 178                 if ($m > 1) {
 179                         $prevmonth = $m - 1;
 180                 } else {
 181                         $prevmonth = 12;
 182                         $prevyear --;
 183                 }
 184
 185                 $dim = Temporal::getDaysInMonth($y, $m);
 186                 $start = sprintf('%d-%d-%d %d:%d:%d', $y, $m, 1, 0, 0, 0);
 187                 $finish = sprintf('%d-%d-%d %d:%d:%d', $y, $m, $dim, 23, 59, 59);
 188
 189
 190                 if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
 191                         if (!empty($_GET['start'])) {
 192                                 $start = $_GET['start'];
 193                         }
 194
 195                         if (!empty($_GET['end'])) {
 196                                 $finish = $_GET['end'];
 197                         }
 198                 }
 199
 200                 $start = DateTimeFormat::utc($start);
 201                 $finish = DateTimeFormat::utc($finish);
 202
 203                 $adjust_start = DateTimeFormat::local($start);
 204                 $adjust_finish = DateTimeFormat::local($finish);
 205
 206                 // put the event parametes in an array so we can better transmit them
 207                 $event_params = [
 208                         'event_id'      => intval(defaults($_GET, 'id', 0)),
 209                         'start'         => $start,
 210                         'finish'        => $finish,
 211                         'adjust_start'  => $adjust_start,
 212                         'adjust_finish' => $adjust_finish,
 213                         'ignore'        => $ignored,
 214                 ];
 215
 216                 // get events by id or by date
 217                 if ($event_params['event_id']) {
 218                         $r = Event::getListById($owner_uid, $event_params['event_id'], $sql_extra);
 219                 } else {
 220                         $r = Event::getListByDate($owner_uid, $event_params, $sql_extra);
 221                 }
 222
 223                 $links = [];
 224
 225                 if (DBA::isResult($r)) {
 226                         $r = Event::sortByDate($r);
 227                         foreach ($r as $rr) {
 228                                 $j = $rr['adjust'] ? DateTimeFormat::local($rr['start'], 'j') : DateTimeFormat::utc($rr['start'], 'j');
 229                                 if (empty($links[$j])) {
 230                                         $links[$j] = System::baseUrl() . '/' . $a->cmd . '#link-' . $j;
 231                                 }
 232                         }
 233                 }
 234
 235                 // transform the event in a usable array
 236                 $events = Event::prepareListForTemplate($r);
 237
 238                 if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
 239                         echo json_encode($events);
 240                         exit();
 241                 }
 242
 243                 // links: array('href', 'text', 'extra css classes', 'title')
 244                 if (!empty($_GET['id'])) {
 245                         $tpl = Renderer::getMarkupTemplate("event.tpl");
 246                 } else {
 247 //                      if (Config::get('experimentals','new_calendar')==1){
 248                         $tpl = Renderer::getMarkupTemplate("events_js.tpl");
 249 //                      } else {
 250 //                              $tpl = Renderer::getMarkupTemplate("events.tpl");
 251 //                      }
 252                 }
 253
 254                 // Get rid of dashes in key names, Smarty3 can't handle them
 255                 foreach ($events as $key => $event) {
 256                         $event_item = [];
 257                         foreach ($event['item'] as $k => $v) {
 258                                 $k = str_replace('-', '_', $k);
 259                                 $event_item[$k] = $v;
 260                         }
 261                         $events[$key]['item'] = $event_item;
 262                 }
 263
 264                 $o = Renderer::replaceMacros($tpl, [
 265                         '$tabs' => $tabs,
 266                         '$title' => L10n::t('Events'),
 267                         '$view' => L10n::t('View'),
 268                         '$previous' => [System::baseUrl() . "/events/$prevyear/$prevmonth", L10n::t('Previous'), '', ''],
 269                         '$next' => [System::baseUrl() . "/events/$nextyear/$nextmonth", L10n::t('Next'), '', ''],
 270                         '$calendar' => Temporal::getCalendarTable($y, $m, $links, ' eventcal'),
 271                         '$events' => $events,
 272                         "today" => L10n::t("today"),
 273                         "month" => L10n::t("month"),
 274                         "week" => L10n::t("week"),
 275                         "day" => L10n::t("day"),
 276                         "list" => L10n::t("list"),
 277                 ]);
 278
 279                 if (!empty($_GET['id'])) {
 280                         echo $o;
 281                         exit();
 282                 }
 283
 284                 return $o;
 285         }
 286
 287         if ($mode == 'export') {
 288                 if (!$owner_uid) {
 289                         notice(L10n::t('User not found'));
 290                         return;
 291                 }
 292
 293                 // Test permissions
 294                 // Respect the export feature setting for all other /cal pages if it's not the own profile
 295                 if ((local_user() !== $owner_uid) && !Feature::isEnabled($owner_uid, "export_calendar")) {
 296                         notice(L10n::t('Permission denied.') . EOL);
 297                         $a->internalRedirect('cal/' . $nick);
 298                 }
 299
 300                 // Get the export data by uid
 301                 $evexport = Event::exportListByUserId($owner_uid, $format);
 302
 303                 if (!$evexport["success"]) {
 304                         if ($evexport["content"]) {
 305                                 notice(L10n::t('This calendar format is not supported'));
 306                         } else {
 307                                 notice(L10n::t('No exportable data found'));
 308                         }
 309
 310                         // If it the own calendar return to the events page
 311                         // otherwise to the profile calendar page
 312                         if (local_user() === $owner_uid) {
 313                                 $return_path = "events";
 314                         } else {
 315                                 $return_path = "cal/" . $nick;
 316                         }
 317
 318                         $a->internalRedirect($return_path);
 319                 }
 320
 321                 // If nothing went wrong we can echo the export content
 322                 if ($evexport["success"]) {
 323                         header('Content-type: text/calendar');
 324                         header('content-disposition: attachment; filename="' . L10n::t('calendar') . '-' . $nick . '.' . $evexport["extension"] . '"');
 325                         echo $evexport["content"];
 326                         exit();
 327                 }
 328
 329                 return;
 330         }
 331 }