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\System;
  16 use Friendica\Database\DBA;
  17 use Friendica\Database\DBM;
  18 use Friendica\Model\Contact;
  19 use Friendica\Model\Event;
  20 use Friendica\Model\Group;
  21 use Friendica\Model\Profile;
  22 use Friendica\Protocol\DFRN;
  23 use Friendica\Util\DateTimeFormat;
  24 use Friendica\Util\Temporal;
  25
  26 function cal_init(App $a)
  27 {
  28         if ($a->argc > 1) {
  29                 DFRN::autoRedir($a, $a->argv[1]);
  30         }
  31
  32         if ((Config::get('system', 'block_public')) && (!local_user()) && (!remote_user())) {
  33                 return;
  34         }
  35
  36         Nav::setSelected('events');
  37
  38         if ($a->argc > 1) {
  39                 $nick = $a->argv[1];
  40                 $user = DBA::selectFirst('user', [], ['nickname' => $nick, 'blocked' => false]);
  41                 if (!DBM::is_result($user)) {
  42                         return;
  43                 }
  44
  45                 $a->data['user'] = $user;
  46                 $a->profile_uid = $user['uid'];
  47
  48                 // if it's a json request abort here becaus we don't
  49                 // need the widget data
  50                 if ($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 = get_markup_template("vcard-widget.tpl");
  59
  60                 $vcard_widget = replace_macros($tpl, [
  61                         '$name' => $profile['name'],
  62                         '$photo' => $profile['photo'],
  63                         '$addr' => (($profile['addr'] != "") ? $profile['addr'] : ""),
  64                         '$account_type' => $account_type,
  65                         '$pdesc' => (($profile['pdesc'] != "") ? $profile['pdesc'] : ""),
  66                 ]);
  67
  68                 $cal_widget = Widget\CalendarExport::getHTML();
  69
  70                 if (!x($a->page, 'aside')) {
  71                         $a->page['aside'] = '';
  72                 }
  73
  74                 $a->page['aside'] .= $vcard_widget;
  75                 $a->page['aside'] .= $cal_widget;
  76         }
  77
  78         return;
  79 }
  80
  81 function cal_content(App $a)
  82 {
  83         Nav::setSelected('events');
  84
  85         // get the translation strings for the callendar
  86         $i18n = Event::getStrings();
  87
  88         $htpl = get_markup_template('event_head.tpl');
  89         $a->page['htmlhead'] .= replace_macros($htpl, [
  90                 '$baseurl' => System::baseUrl(),
  91                 '$module_url' => '/cal/' . $a->data['user']['nickname'],
  92                 '$modparams' => 2,
  93                 '$i18n' => $i18n,
  94         ]);
  95
  96         $etpl = get_markup_template('event_end.tpl');
  97         $a->page['end'] .= replace_macros($etpl, [
  98                 '$baseurl' => System::baseUrl(),
  99         ]);
 100
 101         $mode = 'view';
 102         $y = 0;
 103         $m = 0;
 104         $ignored = ((x($_REQUEST, 'ignored')) ? intval($_REQUEST['ignored']) : 0);
 105
 106         $format = 'ical';
 107         if ($a->argc == 4 && $a->argv[2] == 'export') {
 108                 $mode = 'export';
 109                 $format = $a->argv[3];
 110         }
 111
 112         // Setup permissions structures
 113         $remote_contact = false;
 114         $contact_id = 0;
 115
 116         $owner_uid = $a->data['user']['uid'];
 117         $nick = $a->data['user']['nickname'];
 118
 119         if (x($_SESSION, 'remote') && is_array($_SESSION['remote'])) {
 120                 foreach ($_SESSION['remote'] as $v) {
 121                         if ($v['uid'] == $a->profile['profile_uid']) {
 122                                 $contact_id = $v['cid'];
 123                                 break;
 124                         }
 125                 }
 126         }
 127
 128         $groups = [];
 129         if ($contact_id) {
 130                 $groups = Group::getIdsByContactId($contact_id);
 131                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 132                         intval($contact_id),
 133                         intval($a->profile['profile_uid'])
 134                 );
 135                 if (DBM::is_result($r)) {
 136                         $remote_contact = true;
 137                 }
 138         }
 139
 140         $is_owner = local_user() == $a->profile['profile_uid'];
 141
 142         if ($a->profile['hidewall'] && (!$is_owner) && (!$remote_contact)) {
 143                 notice(L10n::t('Access to this profile has been restricted.') . EOL);
 144                 return;
 145         }
 146
 147         // get the permissions
 148         $sql_perms = item_permissions_sql($owner_uid, $remote_contact, $groups);
 149         // we only want to have the events of the profile owner
 150         $sql_extra = " AND `event`.`cid` = 0 " . $sql_perms;
 151
 152         // get the tab navigation bar
 153         $tabs = Profile::getTabs($a, false, $a->data['user']['nickname']);
 154
 155         // The view mode part is similiar to /mod/events.php
 156         if ($mode == 'view') {
 157                 $thisyear = DateTimeFormat::localNow('Y');
 158                 $thismonth = DateTimeFormat::localNow('m');
 159                 if (!$y) {
 160                         $y = intval($thisyear);
 161                 }
 162
 163                 if (!$m) {
 164                         $m = intval($thismonth);
 165                 }
 166
 167                 // Put some limits on dates. The PHP date functions don't seem to do so well before 1900.
 168                 // An upper limit was chosen to keep search engines from exploring links millions of years in the future.
 169
 170                 if ($y < 1901) {
 171                         $y = 1900;
 172                 }
 173
 174                 if ($y > 2099) {
 175                         $y = 2100;
 176                 }
 177
 178                 $nextyear = $y;
 179                 $nextmonth = $m + 1;
 180                 if ($nextmonth > 12) {
 181                         $nextmonth = 1;
 182                         $nextyear ++;
 183                 }
 184
 185                 $prevyear = $y;
 186                 if ($m > 1) {
 187                         $prevmonth = $m - 1;
 188                 } else {
 189                         $prevmonth = 12;
 190                         $prevyear --;
 191                 }
 192
 193                 $dim = Temporal::getDaysInMonth($y, $m);
 194                 $start = sprintf('%d-%d-%d %d:%d:%d', $y, $m, 1, 0, 0, 0);
 195                 $finish = sprintf('%d-%d-%d %d:%d:%d', $y, $m, $dim, 23, 59, 59);
 196
 197
 198                 if ($a->argv[2] === 'json') {
 199                         if (x($_GET, 'start')) {
 200                                 $start = $_GET['start'];
 201                         }
 202
 203                         if (x($_GET, 'end')) {
 204                                 $finish = $_GET['end'];
 205                         }
 206                 }
 207
 208                 $start = DateTimeFormat::utc($start);
 209                 $finish = DateTimeFormat::utc($finish);
 210
 211                 $adjust_start = DateTimeFormat::local($start);
 212                 $adjust_finish = DateTimeFormat::local($finish);
 213
 214                 // put the event parametes in an array so we can better transmit them
 215                 $event_params = [
 216                         'event_id'      => intval(defaults($_GET, 'id', 0)),
 217                         'start'         => $start,
 218                         'finish'        => $finish,
 219                         'adjust_start'  => $adjust_start,
 220                         'adjust_finish' => $adjust_finish,
 221                         'ignore'        => $ignored,
 222                 ];
 223
 224                 // get events by id or by date
 225                 if ($event_params['event_id']) {
 226                         $r = Event::getListById($owner_uid, $event_params['event-id'], $sql_extra);
 227                 } else {
 228                         $r = Event::getListByDate($owner_uid, $event_params, $sql_extra);
 229                 }
 230
 231                 $links = [];
 232
 233                 if (DBM::is_result($r)) {
 234                         $r = Event::sortByDate($r);
 235                         foreach ($r as $rr) {
 236                                 $j = $rr['adjust'] ? DateTimeFormat::local($rr['start'], 'j') : DateTimeFormat::utc($rr['start'], 'j');
 237                                 if (!x($links, $j)) {
 238                                         $links[$j] = System::baseUrl() . '/' . $a->cmd . '#link-' . $j;
 239                                 }
 240                         }
 241                 }
 242
 243                 // transform the event in a usable array
 244                 $events = Event::prepareListForTemplate($r);
 245
 246                 if ($a->argv[2] === 'json') {
 247                         echo json_encode($events);
 248                         killme();
 249                 }
 250
 251                 // links: array('href', 'text', 'extra css classes', 'title')
 252                 if (x($_GET, 'id')) {
 253                         $tpl = get_markup_template("event.tpl");
 254                 } else {
 255 //                      if (Config::get('experimentals','new_calendar')==1){
 256                         $tpl = get_markup_template("events_js.tpl");
 257 //                      } else {
 258 //                              $tpl = get_markup_template("events.tpl");
 259 //                      }
 260                 }
 261
 262                 // Get rid of dashes in key names, Smarty3 can't handle them
 263                 foreach ($events as $key => $event) {
 264                         $event_item = [];
 265                         foreach ($event['item'] as $k => $v) {
 266                                 $k = str_replace('-', '_', $k);
 267                                 $event_item[$k] = $v;
 268                         }
 269                         $events[$key]['item'] = $event_item;
 270                 }
 271
 272                 $o = replace_macros($tpl, [
 273                         '$baseurl' => System::baseUrl(),
 274                         '$tabs' => $tabs,
 275                         '$title' => L10n::t('Events'),
 276                         '$view' => L10n::t('View'),
 277                         '$previous' => [System::baseUrl() . "/events/$prevyear/$prevmonth", L10n::t('Previous'), '', ''],
 278                         '$next' => [System::baseUrl() . "/events/$nextyear/$nextmonth", L10n::t('Next'), '', ''],
 279                         '$calendar' => Temporal::getCalendarTable($y, $m, $links, ' eventcal'),
 280                         '$events' => $events,
 281                         "today" => L10n::t("today"),
 282                         "month" => L10n::t("month"),
 283                         "week" => L10n::t("week"),
 284                         "day" => L10n::t("day"),
 285                         "list" => L10n::t("list"),
 286                 ]);
 287
 288                 if (x($_GET, 'id')) {
 289                         echo $o;
 290                         killme();
 291                 }
 292
 293                 return $o;
 294         }
 295
 296         if ($mode == 'export') {
 297                 if (!(intval($owner_uid))) {
 298                         notice(L10n::t('User not found'));
 299                         return;
 300                 }
 301
 302                 // Test permissions
 303                 // Respect the export feature setting for all other /cal pages if it's not the own profile
 304                 if (((local_user() !== intval($owner_uid))) && !Feature::isEnabled($owner_uid, "export_calendar")) {
 305                         notice(L10n::t('Permission denied.') . EOL);
 306                         goaway('cal/' . $nick);
 307                 }
 308
 309                 // Get the export data by uid
 310                 $evexport = Event::exportListByUserId($owner_uid, $format);
 311
 312                 if (!$evexport["success"]) {
 313                         if ($evexport["content"]) {
 314                                 notice(L10n::t('This calendar format is not supported'));
 315                         } else {
 316                                 notice(L10n::t('No exportable data found'));
 317                         }
 318
 319                         // If it the own calendar return to the events page
 320                         // otherwise to the profile calendar page
 321                         if (local_user() === intval($owner_uid)) {
 322                                 $return_path = "events";
 323                         } else {
 324                                 $return_path = "cal/" . $nick;
 325                         }
 326
 327                         goaway($return_path);
 328                 }
 329
 330                 // If nothing went wrong we can echo the export content
 331                 if ($evexport["success"]) {
 332                         header('Content-type: text/calendar');
 333                         header('content-disposition: attachment; filename="' . L10n::t('calendar') . '-' . $nick . '.' . $evexport["extension"] . '"');
 334                         echo $evexport["content"];
 335                         killme();
 336                 }
 337
 338                 return;
 339         }
 340 }