mod/cal.php

   1 <?php
   2 /**
   3  * @file mod/cal.php
   4  * The calendar module
   5  *
   6  * This calendar is for profile visitors and contains only the events
   7  * of the profile owner
   8  */
   9
  10 use Friendica\App;
  11 use Friendica\Content\Feature;
  12 use Friendica\Content\Nav;
  13 use Friendica\Content\Text\BBCode;
  14 use Friendica\Content\Widget;
  15 use Friendica\Core\Renderer;
  16 use Friendica\Core\Session;
  17 use Friendica\Database\DBA;
  18 use Friendica\DI;
  19 use Friendica\Model\Contact;
  20 use Friendica\Model\Event;
  21 use Friendica\Model\Item;
  22 use Friendica\Model\Profile;
  23 use Friendica\Module\BaseProfile;
  24 use Friendica\Util\DateTimeFormat;
  25 use Friendica\Util\Temporal;
  26
  27 function cal_init(App $a)
  28 {
  29         if (DI::config()->get('system', 'block_public') && !Session::isAuthenticated()) {
  30                 throw new \Friendica\Network\HTTPException\ForbiddenException(DI::l10n()->t('Access denied.'));
  31         }
  32
  33         if ($a->argc < 2) {
  34                 throw new \Friendica\Network\HTTPException\ForbiddenException(DI::l10n()->t('Access denied.'));
  35         }
  36
  37         Nav::setSelected('events');
  38
  39         $nick = $a->argv[1];
  40         $user = DBA::selectFirst('user', [], ['nickname' => $nick, 'blocked' => false]);
  41         if (!DBA::isResult($user)) {
  42                 throw new \Friendica\Network\HTTPException\NotFoundException();
  43         }
  44
  45         $a->data['user'] = $user;
  46         $a->profile_uid = $user['uid'];
  47
  48         // if it's a json request abort here becaus we don't
  49         // need the widget data
  50         if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
  51                 return;
  52         }
  53
  54         $profile = Profile::getByNickname($nick, $a->profile_uid);
  55
  56         $account_type = Contact::getAccountType($profile);
  57
  58         $tpl = Renderer::getMarkupTemplate('widget/vcard.tpl');
  59
  60         $vcard_widget = Renderer::replaceMacros($tpl, [
  61                 '$name' => $profile['name'],
  62                 '$photo' => $profile['photo'],
  63                 '$addr' => $profile['addr'] ?: '',
  64                 '$account_type' => $account_type,
  65                 '$about' => BBCode::convert($profile['about'] ?: ''),
  66         ]);
  67
  68         $cal_widget = Widget\CalendarExport::getHTML();
  69
  70         if (empty(DI::page()['aside'])) {
  71                 DI::page()['aside'] = '';
  72         }
  73
  74         DI::page()['aside'] .= $vcard_widget;
  75         DI::page()['aside'] .= $cal_widget;
  76
  77         return;
  78 }
  79
  80 function cal_content(App $a)
  81 {
  82         Nav::setSelected('events');
  83
  84         // get the translation strings for the callendar
  85         $i18n = Event::getStrings();
  86
  87         $htpl = Renderer::getMarkupTemplate('event_head.tpl');
  88         DI::page()['htmlhead'] .= Renderer::replaceMacros($htpl, [
  89                 '$module_url' => '/cal/' . $a->data['user']['nickname'],
  90                 '$modparams' => 2,
  91                 '$i18n' => $i18n,
  92         ]);
  93
  94         $mode = 'view';
  95         $y = 0;
  96         $m = 0;
  97         $ignored = (!empty($_REQUEST['ignored']) ? intval($_REQUEST['ignored']) : 0);
  98
  99         $format = 'ical';
 100         if ($a->argc == 4 && $a->argv[2] == 'export') {
 101                 $mode = 'export';
 102                 $format = $a->argv[3];
 103         }
 104
 105         // Setup permissions structures
 106         $owner_uid = intval($a->data['user']['uid']);
 107         $nick = $a->data['user']['nickname'];
 108
 109         $contact_id = Session::getRemoteContactID($a->profile['uid']);
 110
 111         $remote_contact = $contact_id && DBA::exists('contact', ['id' => $contact_id, 'uid' => $a->profile['uid']]);
 112
 113         $is_owner = local_user() == $a->profile['uid'];
 114
 115         if ($a->profile['hidewall'] && !$is_owner && !$remote_contact) {
 116                 notice(DI::l10n()->t('Access to this profile has been restricted.') . EOL);
 117                 return;
 118         }
 119
 120         // get the permissions
 121         $sql_perms = Item::getPermissionsSQLByUserId($owner_uid);
 122         // we only want to have the events of the profile owner
 123         $sql_extra = " AND `event`.`cid` = 0 " . $sql_perms;
 124
 125         // get the tab navigation bar
 126         $tabs = BaseProfile::getTabsHTML($a, 'cal', false, $a->data['user']['nickname']);
 127
 128         // The view mode part is similiar to /mod/events.php
 129         if ($mode == 'view') {
 130                 $thisyear = DateTimeFormat::localNow('Y');
 131                 $thismonth = DateTimeFormat::localNow('m');
 132                 if (!$y) {
 133                         $y = intval($thisyear);
 134                 }
 135
 136                 if (!$m) {
 137                         $m = intval($thismonth);
 138                 }
 139
 140                 // Put some limits on dates. The PHP date functions don't seem to do so well before 1900.
 141                 // An upper limit was chosen to keep search engines from exploring links millions of years in the future.
 142
 143                 if ($y < 1901) {
 144                         $y = 1900;
 145                 }
 146
 147                 if ($y > 2099) {
 148                         $y = 2100;
 149                 }
 150
 151                 $nextyear = $y;
 152                 $nextmonth = $m + 1;
 153                 if ($nextmonth > 12) {
 154                         $nextmonth = 1;
 155                         $nextyear ++;
 156                 }
 157
 158                 $prevyear = $y;
 159                 if ($m > 1) {
 160                         $prevmonth = $m - 1;
 161                 } else {
 162                         $prevmonth = 12;
 163                         $prevyear --;
 164                 }
 165
 166                 $dim = Temporal::getDaysInMonth($y, $m);
 167                 $start = sprintf('%d-%d-%d %d:%d:%d', $y, $m, 1, 0, 0, 0);
 168                 $finish = sprintf('%d-%d-%d %d:%d:%d', $y, $m, $dim, 23, 59, 59);
 169
 170
 171                 if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
 172                         if (!empty($_GET['start'])) {
 173                                 $start = $_GET['start'];
 174                         }
 175
 176                         if (!empty($_GET['end'])) {
 177                                 $finish = $_GET['end'];
 178                         }
 179                 }
 180
 181                 $start = DateTimeFormat::utc($start);
 182                 $finish = DateTimeFormat::utc($finish);
 183
 184                 $adjust_start = DateTimeFormat::local($start);
 185                 $adjust_finish = DateTimeFormat::local($finish);
 186
 187                 // put the event parametes in an array so we can better transmit them
 188                 $event_params = [
 189                         'event_id'      => intval($_GET['id'] ?? 0),
 190                         'start'         => $start,
 191                         'finish'        => $finish,
 192                         'adjust_start'  => $adjust_start,
 193                         'adjust_finish' => $adjust_finish,
 194                         'ignore'        => $ignored,
 195                 ];
 196
 197                 // get events by id or by date
 198                 if ($event_params['event_id']) {
 199                         $r = Event::getListById($owner_uid, $event_params['event_id'], $sql_extra);
 200                 } else {
 201                         $r = Event::getListByDate($owner_uid, $event_params, $sql_extra);
 202                 }
 203
 204                 $links = [];
 205
 206                 if (DBA::isResult($r)) {
 207                         $r = Event::sortByDate($r);
 208                         foreach ($r as $rr) {
 209                                 $j = $rr['adjust'] ? DateTimeFormat::local($rr['start'], 'j') : DateTimeFormat::utc($rr['start'], 'j');
 210                                 if (empty($links[$j])) {
 211                                         $links[$j] = DI::baseUrl() . '/' . DI::args()->getCommand() . '#link-' . $j;
 212                                 }
 213                         }
 214                 }
 215
 216                 // transform the event in a usable array
 217                 $events = Event::prepareListForTemplate($r);
 218
 219                 if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
 220                         echo json_encode($events);
 221                         exit();
 222                 }
 223
 224                 // links: array('href', 'text', 'extra css classes', 'title')
 225                 if (!empty($_GET['id'])) {
 226                         $tpl = Renderer::getMarkupTemplate("event.tpl");
 227                 } else {
 228 //                      if (DI::config()->get('experimentals','new_calendar')==1){
 229                         $tpl = Renderer::getMarkupTemplate("events_js.tpl");
 230 //                      } else {
 231 //                              $tpl = Renderer::getMarkupTemplate("events.tpl");
 232 //                      }
 233                 }
 234
 235                 // Get rid of dashes in key names, Smarty3 can't handle them
 236                 foreach ($events as $key => $event) {
 237                         $event_item = [];
 238                         foreach ($event['item'] as $k => $v) {
 239                                 $k = str_replace('-', '_', $k);
 240                                 $event_item[$k] = $v;
 241                         }
 242                         $events[$key]['item'] = $event_item;
 243                 }
 244
 245                 $o = Renderer::replaceMacros($tpl, [
 246                         '$tabs' => $tabs,
 247                         '$title' => DI::l10n()->t('Events'),
 248                         '$view' => DI::l10n()->t('View'),
 249                         '$previous' => [DI::baseUrl() . "/events/$prevyear/$prevmonth", DI::l10n()->t('Previous'), '', ''],
 250                         '$next' => [DI::baseUrl() . "/events/$nextyear/$nextmonth", DI::l10n()->t('Next'), '', ''],
 251                         '$calendar' => Temporal::getCalendarTable($y, $m, $links, ' eventcal'),
 252                         '$events' => $events,
 253                         "today" => DI::l10n()->t("today"),
 254                         "month" => DI::l10n()->t("month"),
 255                         "week" => DI::l10n()->t("week"),
 256                         "day" => DI::l10n()->t("day"),
 257                         "list" => DI::l10n()->t("list"),
 258                 ]);
 259
 260                 if (!empty($_GET['id'])) {
 261                         echo $o;
 262                         exit();
 263                 }
 264
 265                 return $o;
 266         }
 267
 268         if ($mode == 'export') {
 269                 if (!$owner_uid) {
 270                         notice(DI::l10n()->t('User not found'));
 271                         return;
 272                 }
 273
 274                 // Test permissions
 275                 // Respect the export feature setting for all other /cal pages if it's not the own profile
 276                 if ((local_user() !== $owner_uid) && !Feature::isEnabled($owner_uid, "export_calendar")) {
 277                         notice(DI::l10n()->t('Permission denied.') . EOL);
 278                         DI::baseUrl()->redirect('cal/' . $nick);
 279                 }
 280
 281                 // Get the export data by uid
 282                 $evexport = Event::exportListByUserId($owner_uid, $format);
 283
 284                 if (!$evexport["success"]) {
 285                         if ($evexport["content"]) {
 286                                 notice(DI::l10n()->t('This calendar format is not supported'));
 287                         } else {
 288                                 notice(DI::l10n()->t('No exportable data found'));
 289                         }
 290
 291                         // If it the own calendar return to the events page
 292                         // otherwise to the profile calendar page
 293                         if (local_user() === $owner_uid) {
 294                                 $return_path = "events";
 295                         } else {
 296                                 $return_path = "cal/" . $nick;
 297                         }
 298
 299                         DI::baseUrl()->redirect($return_path);
 300                 }
 301
 302                 // If nothing went wrong we can echo the export content
 303                 if ($evexport["success"]) {
 304                         header('Content-type: text/calendar');
 305                         header('content-disposition: attachment; filename="' . DI::l10n()->t('calendar') . '-' . $nick . '.' . $evexport["extension"] . '"');
 306                         echo $evexport["content"];
 307                         exit();
 308                 }
 309
 310                 return;
 311         }
 312 }