mod/cal.php

   1 <?php
   2
   3 /**
   4  * @file mod/cal.php
   5  * @brief The calendar module
   6  *      This calendar is for profile visitors and contains only the events
   7  *      of the profile owner
   8  */
   9 use Friendica\App;
  10 use Friendica\Content\Feature;
  11 use Friendica\Core\Config;
  12 use Friendica\Core\PConfig;
  13 use Friendica\Core\System;
  14 use Friendica\Database\DBM;
  15 use Friendica\Model\Contact;
  16 use Friendica\Model\Group;
  17
  18 require_once 'include/event.php';
  19 require_once 'include/redir.php';
  20
  21 function cal_init(App $a)
  22 {
  23         if ($a->argc > 1) {
  24                 auto_redir($a, $a->argv[1]);
  25         }
  26
  27         if ((Config::get('system', 'block_public')) && (!local_user()) && (!remote_user())) {
  28                 return;
  29         }
  30
  31         nav_set_selected('events');
  32
  33         if ($a->argc > 1) {
  34                 $nick = $a->argv[1];
  35                 $user = q("SELECT * FROM `user` WHERE `nickname` = '%s' AND `blocked` = 0 LIMIT 1",
  36                         dbesc($nick)
  37                 );
  38
  39                 if (!count($user)) {
  40                         return;
  41                 }
  42
  43                 $a->data['user'] = $user[0];
  44                 $a->profile_uid = $user[0]['uid'];
  45
  46                 // if it's a json request abort here becaus we don't
  47                 // need the widget data
  48                 if ($a->argv[2] === 'json') {
  49                         return;
  50                 }
  51
  52                 $profile = get_profiledata_by_nick($nick, $a->profile_uid);
  53
  54                 $account_type = Contact::getAccountType($profile);
  55
  56                 $tpl = get_markup_template("vcard-widget.tpl");
  57
  58                 $vcard_widget = replace_macros($tpl, array(
  59                         '$name' => $profile['name'],
  60                         '$photo' => $profile['photo'],
  61                         '$addr' => (($profile['addr'] != "") ? $profile['addr'] : ""),
  62                         '$account_type' => $account_type,
  63                         '$pdesc' => (($profile['pdesc'] != "") ? $profile['pdesc'] : ""),
  64                 ));
  65
  66                 $cal_widget = widget_events();
  67
  68                 if (!x($a->page, 'aside')) {
  69                         $a->page['aside'] = '';
  70                 }
  71
  72                 $a->page['aside'] .= $vcard_widget;
  73                 $a->page['aside'] .= $cal_widget;
  74         }
  75
  76         return;
  77 }
  78
  79 function cal_content(App $a)
  80 {
  81         nav_set_selected('events');
  82
  83         // get the translation strings for the callendar
  84         $i18n = get_event_strings();
  85
  86         $htpl = get_markup_template('event_head.tpl');
  87         $a->page['htmlhead'] .= replace_macros($htpl, array(
  88                 '$baseurl' => System::baseUrl(),
  89                 '$module_url' => '/cal/' . $a->data['user']['nickname'],
  90                 '$modparams' => 2,
  91                 '$i18n' => $i18n,
  92         ));
  93
  94         $etpl = get_markup_template('event_end.tpl');
  95         $a->page['end'] .= replace_macros($etpl, array(
  96                 '$baseurl' => System::baseUrl(),
  97         ));
  98
  99         $mode = 'view';
 100         $y = 0;
 101         $m = 0;
 102         $ignored = ((x($_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 = $a->data['user']['nickname'];
 116
 117         if (x($_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($a->profile['profile_uid'])
 132                 );
 133                 if (DBM::is_result($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(t('Access to this profile has been restricted.') . EOL);
 142                 return;
 143         }
 144
 145         // get the permissions
 146         $sql_perms = item_permissions_sql($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         $tabs = profile_tabs($a, false, $a->data['user']['nickname']);
 152
 153         // The view mode part is similiar to /mod/events.php
 154         if ($mode == 'view') {
 155                 $thisyear = datetime_convert('UTC', date_default_timezone_get(), 'now', 'Y');
 156                 $thismonth = datetime_convert('UTC', date_default_timezone_get(), 'now', 'm');
 157                 if (!$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                 $dim = get_dim($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, $dim, 23, 59, 59);
 194
 195
 196                 if ($a->argv[2] === 'json') {
 197                         if (x($_GET, 'start')) {
 198                                 $start = $_GET['start'];
 199                         }
 200
 201                         if (x($_GET, 'end')) {
 202                                 $finish = $_GET['end'];
 203                         }
 204                 }
 205
 206                 $start = datetime_convert('UTC', 'UTC', $start);
 207                 $finish = datetime_convert('UTC', 'UTC', $finish);
 208
 209                 $adjust_start = datetime_convert('UTC', date_default_timezone_get(), $start);
 210                 $adjust_finish = datetime_convert('UTC', date_default_timezone_get(), $finish);
 211
 212                 // put the event parametes in an array so we can better transmit them
 213                 $event_params = array(
 214                         'event_id' => (x($_GET, 'id') ? $_GET["id"] : 0),
 215                         'start' => $start,
 216                         'finish' => $finish,
 217                         'adjust_start' => $adjust_start,
 218                         'adjust_finish' => $adjust_finish,
 219                         'ignored' => $ignored,
 220                 );
 221
 222                 // get events by id or by date
 223                 if (x($_GET, 'id')) {
 224                         $r = event_by_id($owner_uid, $event_params, $sql_extra);
 225                 } else {
 226                         $r = events_by_date($owner_uid, $event_params, $sql_extra);
 227                 }
 228
 229                 $links = array();
 230
 231                 if (DBM::is_result($r)) {
 232                         $r = sort_by_date($r);
 233                         foreach ($r as $rr) {
 234                                 $j = (($rr['adjust']) ? datetime_convert('UTC', date_default_timezone_get(), $rr['start'], 'j') : datetime_convert('UTC', 'UTC', $rr['start'], 'j'));
 235                                 if (!x($links, $j)) {
 236                                         $links[$j] = System::baseUrl() . '/' . $a->cmd . '#link-' . $j;
 237                                 }
 238                         }
 239                 }
 240
 241                 // transform the event in a usable array
 242                 $events = process_events($r);
 243
 244                 if ($a->argv[2] === 'json') {
 245                         echo json_encode($events);
 246                         killme();
 247                 }
 248
 249                 // links: array('href', 'text', 'extra css classes', 'title')
 250                 if (x($_GET, 'id')) {
 251                         $tpl = get_markup_template("event.tpl");
 252                 } else {
 253 //                      if (Config::get('experimentals','new_calendar')==1){
 254                         $tpl = get_markup_template("events_js.tpl");
 255 //                      } else {
 256 //                              $tpl = get_markup_template("events.tpl");
 257 //                      }
 258                 }
 259
 260                 // Get rid of dashes in key names, Smarty3 can't handle them
 261                 foreach ($events as $key => $event) {
 262                         $event_item = array();
 263                         foreach ($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                 $o = replace_macros($tpl, array(
 271                         '$baseurl' => System::baseUrl(),
 272                         '$tabs' => $tabs,
 273                         '$title' => t('Events'),
 274                         '$view' => t('View'),
 275                         '$previous' => array(System::baseUrl() . "/events/$prevyear/$prevmonth", t('Previous'), '', ''),
 276                         '$next' => array(System::baseUrl() . "/events/$nextyear/$nextmonth", t('Next'), '', ''),
 277                         '$calendar' => cal($y, $m, $links, ' eventcal'),
 278                         '$events' => $events,
 279                         "today" => t("today"),
 280                         "month" => t("month"),
 281                         "week" => t("week"),
 282                         "day" => t("day"),
 283                         "list" => t("list"),
 284                 ));
 285
 286                 if (x($_GET, 'id')) {
 287                         echo $o;
 288                         killme();
 289                 }
 290
 291                 return $o;
 292         }
 293
 294         if ($mode == 'export') {
 295                 if (!(intval($owner_uid))) {
 296                         notice(t('User not found'));
 297                         return;
 298                 }
 299
 300                 // Test permissions
 301                 // Respect the export feature setting for all other /cal pages if it's not the own profile
 302                 if (((local_user() !== intval($owner_uid))) && !Feature::isEnabled($owner_uid, "export_calendar")) {
 303                         notice(t('Permission denied.') . EOL);
 304                         goaway('cal/' . $nick);
 305                 }
 306
 307                 // Get the export data by uid
 308                 $evexport = event_export($owner_uid, $format);
 309
 310                 if (!$evexport["success"]) {
 311                         if ($evexport["content"]) {
 312                                 notice(t('This calendar format is not supported'));
 313                         } else {
 314                                 notice(t('No exportable data found'));
 315                         }
 316
 317                         // If it the own calendar return to the events page
 318                         // otherwise to the profile calendar page
 319                         if (local_user() === intval($owner_uid)) {
 320                                 $return_path = "events";
 321                         } else {
 322                                 $return_path = "cal/" . $nick;
 323                         }
 324
 325                         goaway($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="' . t('calendar') . '-' . $nick . '.' . $evexport["extension"] . '"');
 332                         echo $evexport["content"];
 333                         killme();
 334                 }
 335
 336                 return;
 337         }
 338 }