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, $a->argv[1]);
  31         }
  32
  33         if (Config::get('system', 'block_public') && !local_user() && !remote_user()) {
  34                 System::httpExit(403, ['title' => L10n::t('Access denied.')]);
  35         }
  36
  37         if ($a->argc < 2) {
  38                 System::httpExit(403, ['title' => 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                 System::httpExit(404, ['title' => L10n::t('Page not found.')]);
  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("vcard-widget.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                 '$baseurl' => System::baseUrl(),
  94                 '$module_url' => '/cal/' . $a->data['user']['nickname'],
  95                 '$modparams' => 2,
  96                 '$i18n' => $i18n,
  97         ]);
  98
  99         $mode = 'view';
 100         $y = 0;
 101         $m = 0;
 102         $ignored = (!empty($_REQUEST['ignored']) ? intval($_REQUEST['ignored']) : 0);
 103
 104         $format = 'ical';
 105         if ($a->argc == 4 && $a->argv[2] == 'export') {
 106                 $mode = 'export';
 107                 $format = $a->argv[3];
 108         }
 109
 110         // Setup permissions structures
 111         $remote_contact = false;
 112         $contact_id = 0;
 113
 114         $owner_uid = $a->data['user']['uid'];
 115         $nick = $a->data['user']['nickname'];
 116
 117         if (!empty($_SESSION['remote']) && is_array($_SESSION['remote'])) {
 118                 foreach ($_SESSION['remote'] as $v) {
 119                         if ($v['uid'] == $a->profile['profile_uid']) {
 120                                 $contact_id = $v['cid'];
 121                                 break;
 122                         }
 123                 }
 124         }
 125
 126         $groups = [];
 127         if ($contact_id) {
 128                 $groups = Group::getIdsByContactId($contact_id);
 129                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 130                         intval($contact_id),
 131                         intval($a->profile['profile_uid'])
 132                 );
 133                 if (DBA::isResult($r)) {
 134                         $remote_contact = true;
 135                 }
 136         }
 137
 138         $is_owner = local_user() == $a->profile['profile_uid'];
 139
 140         if ($a->profile['hidewall'] && !$is_owner && !$remote_contact) {
 141                 notice(L10n::t('Access to this profile has been restricted.') . EOL);
 142                 return;
 143         }
 144
 145         // get the permissions
 146         $sql_perms = Item::getPermissionsSQLByUserId($owner_uid, $remote_contact, $groups);
 147         // we only want to have the events of the profile owner
 148         $sql_extra = " AND `event`.`cid` = 0 " . $sql_perms;
 149
 150         // get the tab navigation bar
 151         $tabs = Profile::getTabs($a, false, $a->data['user']['nickname']);
 152
 153         // The view mode part is similiar to /mod/events.php
 154         if ($mode == 'view') {
 155                 $thisyear = DateTimeFormat::localNow('Y');
 156                 $thismonth = DateTimeFormat::localNow('m');
 157                 if (!$y) {
 158                         $y = intval($thisyear);
 159                 }
 160
 161                 if (!$m) {
 162                         $m = intval($thismonth);
 163                 }
 164
 165                 // Put some limits on dates. The PHP date functions don't seem to do so well before 1900.
 166                 // An upper limit was chosen to keep search engines from exploring links millions of years in the future.
 167
 168                 if ($y < 1901) {
 169                         $y = 1900;
 170                 }
 171
 172                 if ($y > 2099) {
 173                         $y = 2100;
 174                 }
 175
 176                 $nextyear = $y;
 177                 $nextmonth = $m + 1;
 178                 if ($nextmonth > 12) {
 179                         $nextmonth = 1;
 180                         $nextyear ++;
 181                 }
 182
 183                 $prevyear = $y;
 184                 if ($m > 1) {
 185                         $prevmonth = $m - 1;
 186                 } else {
 187                         $prevmonth = 12;
 188                         $prevyear --;
 189                 }
 190
 191                 $dim = Temporal::getDaysInMonth($y, $m);
 192                 $start = sprintf('%d-%d-%d %d:%d:%d', $y, $m, 1, 0, 0, 0);
 193                 $finish = sprintf('%d-%d-%d %d:%d:%d', $y, $m, $dim, 23, 59, 59);
 194
 195
 196                 if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
 197                         if (!empty($_GET['start'])) {
 198                                 $start = $_GET['start'];
 199                         }
 200
 201                         if (!empty($_GET['end'])) {
 202                                 $finish = $_GET['end'];
 203                         }
 204                 }
 205
 206                 $start = DateTimeFormat::utc($start);
 207                 $finish = DateTimeFormat::utc($finish);
 208
 209                 $adjust_start = DateTimeFormat::local($start);
 210                 $adjust_finish = DateTimeFormat::local($finish);
 211
 212                 // put the event parametes in an array so we can better transmit them
 213                 $event_params = [
 214                         'event_id'      => intval(defaults($_GET, 'id', 0)),
 215                         'start'         => $start,
 216                         'finish'        => $finish,
 217                         'adjust_start'  => $adjust_start,
 218                         'adjust_finish' => $adjust_finish,
 219                         'ignore'        => $ignored,
 220                 ];
 221
 222                 // get events by id or by date
 223                 if ($event_params['event_id']) {
 224                         $r = Event::getListById($owner_uid, $event_params['event_id'], $sql_extra);
 225                 } else {
 226                         $r = Event::getListByDate($owner_uid, $event_params, $sql_extra);
 227                 }
 228
 229                 $links = [];
 230
 231                 if (DBA::isResult($r)) {
 232                         $r = Event::sortByDate($r);
 233                         foreach ($r as $rr) {
 234                                 $j = $rr['adjust'] ? DateTimeFormat::local($rr['start'], 'j') : DateTimeFormat::utc($rr['start'], 'j');
 235                                 if (empty($links[$j])) {
 236                                         $links[$j] = System::baseUrl() . '/' . $a->cmd . '#link-' . $j;
 237                                 }
 238                         }
 239                 }
 240
 241                 // transform the event in a usable array
 242                 $events = Event::prepareListForTemplate($r);
 243
 244                 if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
 245                         echo json_encode($events);
 246                         exit();
 247                 }
 248
 249                 // links: array('href', 'text', 'extra css classes', 'title')
 250                 if (!empty($_GET['id'])) {
 251                         $tpl = Renderer::getMarkupTemplate("event.tpl");
 252                 } else {
 253 //                      if (Config::get('experimentals','new_calendar')==1){
 254                         $tpl = Renderer::getMarkupTemplate("events_js.tpl");
 255 //                      } else {
 256 //                              $tpl = Renderer::getMarkupTemplate("events.tpl");
 257 //                      }
 258                 }
 259
 260                 // Get rid of dashes in key names, Smarty3 can't handle them
 261                 foreach ($events as $key => $event) {
 262                         $event_item = [];
 263                         foreach ($event['item'] as $k => $v) {
 264                                 $k = str_replace('-', '_', $k);
 265                                 $event_item[$k] = $v;
 266                         }
 267                         $events[$key]['item'] = $event_item;
 268                 }
 269
 270                 $o = Renderer::replaceMacros($tpl, [
 271                         '$baseurl' => System::baseUrl(),
 272                         '$tabs' => $tabs,
 273                         '$title' => L10n::t('Events'),
 274                         '$view' => L10n::t('View'),
 275                         '$previous' => [System::baseUrl() . "/events/$prevyear/$prevmonth", L10n::t('Previous'), '', ''],
 276                         '$next' => [System::baseUrl() . "/events/$nextyear/$nextmonth", L10n::t('Next'), '', ''],
 277                         '$calendar' => Temporal::getCalendarTable($y, $m, $links, ' eventcal'),
 278                         '$events' => $events,
 279                         "today" => L10n::t("today"),
 280                         "month" => L10n::t("month"),
 281                         "week" => L10n::t("week"),
 282                         "day" => L10n::t("day"),
 283                         "list" => L10n::t("list"),
 284                 ]);
 285
 286                 if (!empty($_GET['id'])) {
 287                         echo $o;
 288                         exit();
 289                 }
 290
 291                 return $o;
 292         }
 293
 294         if ($mode == 'export') {
 295                 if (!intval($owner_uid)) {
 296                         notice(L10n::t('User not found'));
 297                         return;
 298                 }
 299
 300                 // Test permissions
 301                 // Respect the export feature setting for all other /cal pages if it's not the own profile
 302                 if ((local_user() !== intval($owner_uid)) && !Feature::isEnabled($owner_uid, "export_calendar")) {
 303                         notice(L10n::t('Permission denied.') . EOL);
 304                         $a->internalRedirect('cal/' . $nick);
 305                 }
 306
 307                 // Get the export data by uid
 308                 $evexport = Event::exportListByUserId($owner_uid, $format);
 309
 310                 if (!$evexport["success"]) {
 311                         if ($evexport["content"]) {
 312                                 notice(L10n::t('This calendar format is not supported'));
 313                         } else {
 314                                 notice(L10n::t('No exportable data found'));
 315                         }
 316
 317                         // If it the own calendar return to the events page
 318                         // otherwise to the profile calendar page
 319                         if (local_user() === intval($owner_uid)) {
 320                                 $return_path = "events";
 321                         } else {
 322                                 $return_path = "cal/" . $nick;
 323                         }
 324
 325                         $a->internalRedirect($return_path);
 326                 }
 327
 328                 // If nothing went wrong we can echo the export content
 329                 if ($evexport["success"]) {
 330                         header('Content-type: text/calendar');
 331                         header('content-disposition: attachment; filename="' . L10n::t('calendar') . '-' . $nick . '.' . $evexport["extension"] . '"');
 332                         echo $evexport["content"];
 333                         exit();
 334                 }
 335
 336                 return;
 337         }
 338 }