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 use Friendica\App;
   9 use Friendica\Content\Feature;
  10 use Friendica\Content\Nav;
  11 use Friendica\Core\Config;
  12 use Friendica\Core\System;
  13 use Friendica\Database\DBM;
  14 use Friendica\Model\Contact;
  15 use Friendica\Model\Group;
  16 use Friendica\Model\Profile;
  17 use Friendica\Protocol\DFRN;
  18
  19 require_once 'include/event.php';
  20
  21 function cal_init(App $a)
  22 {
  23         if ($a->argc > 1) {
  24                 DFRN::autoRedir($a, $a->argv[1]);
  25         }
  26
  27         if ((Config::get('system', 'block_public')) && (!local_user()) && (!remote_user())) {
  28                 return;
  29         }
  30
  31         Nav::setSelected('events');
  32
  33         if ($a->argc > 1) {
  34                 $nick = $a->argv[1];
  35                 $user = dba::selectFirst('user', [], ['nickname' => $nick, 'blocked' => false]);
  36                 if (!DBM::is_result($user)) {
  37                         return;
  38                 }
  39
  40                 $a->data['user'] = $user;
  41                 $a->profile_uid = $user['uid'];
  42
  43                 // if it's a json request abort here becaus we don't
  44                 // need the widget data
  45                 if ($a->argv[2] === 'json') {
  46                         return;
  47                 }
  48
  49                 $profile = Profile::getByNickname($nick, $a->profile_uid);
  50
  51                 $account_type = Contact::getAccountType($profile);
  52
  53                 $tpl = get_markup_template("vcard-widget.tpl");
  54
  55                 $vcard_widget = replace_macros($tpl, [
  56                         '$name' => $profile['name'],
  57                         '$photo' => $profile['photo'],
  58                         '$addr' => (($profile['addr'] != "") ? $profile['addr'] : ""),
  59                         '$account_type' => $account_type,
  60                         '$pdesc' => (($profile['pdesc'] != "") ? $profile['pdesc'] : ""),
  61                 ]);
  62
  63                 $cal_widget = widget_events();
  64
  65                 if (!x($a->page, 'aside')) {
  66                         $a->page['aside'] = '';
  67                 }
  68
  69                 $a->page['aside'] .= $vcard_widget;
  70                 $a->page['aside'] .= $cal_widget;
  71         }
  72
  73         return;
  74 }
  75
  76 function cal_content(App $a)
  77 {
  78         Nav::setSelected('events');
  79
  80         // get the translation strings for the callendar
  81         $i18n = get_event_strings();
  82
  83         $htpl = get_markup_template('event_head.tpl');
  84         $a->page['htmlhead'] .= replace_macros($htpl, [
  85                 '$baseurl' => System::baseUrl(),
  86                 '$module_url' => '/cal/' . $a->data['user']['nickname'],
  87                 '$modparams' => 2,
  88                 '$i18n' => $i18n,
  89         ]);
  90
  91         $etpl = get_markup_template('event_end.tpl');
  92         $a->page['end'] .= replace_macros($etpl, [
  93                 '$baseurl' => System::baseUrl(),
  94         ]);
  95
  96         $mode = 'view';
  97         $y = 0;
  98         $m = 0;
  99         $ignored = ((x($_REQUEST, 'ignored')) ? intval($_REQUEST['ignored']) : 0);
 100
 101         $format = 'ical';
 102         if ($a->argc == 4 && $a->argv[2] == 'export') {
 103                 $mode = 'export';
 104                 $format = $a->argv[3];
 105         }
 106
 107         // Setup permissions structures
 108         $remote_contact = false;
 109         $contact_id = 0;
 110
 111         $owner_uid = $a->data['user']['uid'];
 112         $nick = $a->data['user']['nickname'];
 113
 114         if (x($_SESSION, 'remote') && is_array($_SESSION['remote'])) {
 115                 foreach ($_SESSION['remote'] as $v) {
 116                         if ($v['uid'] == $a->profile['profile_uid']) {
 117                                 $contact_id = $v['cid'];
 118                                 break;
 119                         }
 120                 }
 121         }
 122
 123         $groups = [];
 124         if ($contact_id) {
 125                 $groups = Group::getIdsByContactId($contact_id);
 126                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 127                         intval($contact_id),
 128                         intval($a->profile['profile_uid'])
 129                 );
 130                 if (DBM::is_result($r)) {
 131                         $remote_contact = true;
 132                 }
 133         }
 134
 135         $is_owner = local_user() == $a->profile['profile_uid'];
 136
 137         if ($a->profile['hidewall'] && (!$is_owner) && (!$remote_contact)) {
 138                 notice(t('Access to this profile has been restricted.') . EOL);
 139                 return;
 140         }
 141
 142         // get the permissions
 143         $sql_perms = item_permissions_sql($owner_uid, $remote_contact, $groups);
 144         // we only want to have the events of the profile owner
 145         $sql_extra = " AND `event`.`cid` = 0 " . $sql_perms;
 146
 147         // get the tab navigation bar
 148         $tabs = Profile::getTabs($a, false, $a->data['user']['nickname']);
 149
 150         // The view mode part is similiar to /mod/events.php
 151         if ($mode == 'view') {
 152                 $thisyear = datetime_convert('UTC', date_default_timezone_get(), 'now', 'Y');
 153                 $thismonth = datetime_convert('UTC', date_default_timezone_get(), 'now', 'm');
 154                 if (!$y) {
 155                         $y = intval($thisyear);
 156                 }
 157
 158                 if (!$m) {
 159                         $m = intval($thismonth);
 160                 }
 161
 162                 // Put some limits on dates. The PHP date functions don't seem to do so well before 1900.
 163                 // An upper limit was chosen to keep search engines from exploring links millions of years in the future.
 164
 165                 if ($y < 1901) {
 166                         $y = 1900;
 167                 }
 168
 169                 if ($y > 2099) {
 170                         $y = 2100;
 171                 }
 172
 173                 $nextyear = $y;
 174                 $nextmonth = $m + 1;
 175                 if ($nextmonth > 12) {
 176                         $nextmonth = 1;
 177                         $nextyear ++;
 178                 }
 179
 180                 $prevyear = $y;
 181                 if ($m > 1) {
 182                         $prevmonth = $m - 1;
 183                 } else {
 184                         $prevmonth = 12;
 185                         $prevyear --;
 186                 }
 187
 188                 $dim = get_dim($y, $m);
 189                 $start = sprintf('%d-%d-%d %d:%d:%d', $y, $m, 1, 0, 0, 0);
 190                 $finish = sprintf('%d-%d-%d %d:%d:%d', $y, $m, $dim, 23, 59, 59);
 191
 192
 193                 if ($a->argv[2] === 'json') {
 194                         if (x($_GET, 'start')) {
 195                                 $start = $_GET['start'];
 196                         }
 197
 198                         if (x($_GET, 'end')) {
 199                                 $finish = $_GET['end'];
 200                         }
 201                 }
 202
 203                 $start = datetime_convert('UTC', 'UTC', $start);
 204                 $finish = datetime_convert('UTC', 'UTC', $finish);
 205
 206                 $adjust_start = datetime_convert('UTC', date_default_timezone_get(), $start);
 207                 $adjust_finish = datetime_convert('UTC', date_default_timezone_get(), $finish);
 208
 209                 // put the event parametes in an array so we can better transmit them
 210                 $event_params = [
 211                         'event_id' => (x($_GET, 'id') ? $_GET["id"] : 0),
 212                         'start' => $start,
 213                         'finish' => $finish,
 214                         'adjust_start' => $adjust_start,
 215                         'adjust_finish' => $adjust_finish,
 216                         'ignored' => $ignored,
 217                 ];
 218
 219                 // get events by id or by date
 220                 if (x($_GET, 'id')) {
 221                         $r = event_by_id($owner_uid, $event_params, $sql_extra);
 222                 } else {
 223                         $r = events_by_date($owner_uid, $event_params, $sql_extra);
 224                 }
 225
 226                 $links = [];
 227
 228                 if (DBM::is_result($r)) {
 229                         $r = sort_by_date($r);
 230                         foreach ($r as $rr) {
 231                                 $j = (($rr['adjust']) ? datetime_convert('UTC', date_default_timezone_get(), $rr['start'], 'j') : datetime_convert('UTC', 'UTC', $rr['start'], 'j'));
 232                                 if (!x($links, $j)) {
 233                                         $links[$j] = System::baseUrl() . '/' . $a->cmd . '#link-' . $j;
 234                                 }
 235                         }
 236                 }
 237
 238                 // transform the event in a usable array
 239                 $events = process_events($r);
 240
 241                 if ($a->argv[2] === 'json') {
 242                         echo json_encode($events);
 243                         killme();
 244                 }
 245
 246                 // links: array('href', 'text', 'extra css classes', 'title')
 247                 if (x($_GET, 'id')) {
 248                         $tpl = get_markup_template("event.tpl");
 249                 } else {
 250 //                      if (Config::get('experimentals','new_calendar')==1){
 251                         $tpl = get_markup_template("events_js.tpl");
 252 //                      } else {
 253 //                              $tpl = get_markup_template("events.tpl");
 254 //                      }
 255                 }
 256
 257                 // Get rid of dashes in key names, Smarty3 can't handle them
 258                 foreach ($events as $key => $event) {
 259                         $event_item = [];
 260                         foreach ($event['item'] as $k => $v) {
 261                                 $k = str_replace('-', '_', $k);
 262                                 $event_item[$k] = $v;
 263                         }
 264                         $events[$key]['item'] = $event_item;
 265                 }
 266
 267                 $o = replace_macros($tpl, [
 268                         '$baseurl' => System::baseUrl(),
 269                         '$tabs' => $tabs,
 270                         '$title' => t('Events'),
 271                         '$view' => t('View'),
 272                         '$previous' => [System::baseUrl() . "/events/$prevyear/$prevmonth", t('Previous'), '', ''],
 273                         '$next' => [System::baseUrl() . "/events/$nextyear/$nextmonth", t('Next'), '', ''],
 274                         '$calendar' => cal($y, $m, $links, ' eventcal'),
 275                         '$events' => $events,
 276                         "today" => t("today"),
 277                         "month" => t("month"),
 278                         "week" => t("week"),
 279                         "day" => t("day"),
 280                         "list" => t("list"),
 281                 ]);
 282
 283                 if (x($_GET, 'id')) {
 284                         echo $o;
 285                         killme();
 286                 }
 287
 288                 return $o;
 289         }
 290
 291         if ($mode == 'export') {
 292                 if (!(intval($owner_uid))) {
 293                         notice(t('User not found'));
 294                         return;
 295                 }
 296
 297                 // Test permissions
 298                 // Respect the export feature setting for all other /cal pages if it's not the own profile
 299                 if (((local_user() !== intval($owner_uid))) && !Feature::isEnabled($owner_uid, "export_calendar")) {
 300                         notice(t('Permission denied.') . EOL);
 301                         goaway('cal/' . $nick);
 302                 }
 303
 304                 // Get the export data by uid
 305                 $evexport = event_export($owner_uid, $format);
 306
 307                 if (!$evexport["success"]) {
 308                         if ($evexport["content"]) {
 309                                 notice(t('This calendar format is not supported'));
 310                         } else {
 311                                 notice(t('No exportable data found'));
 312                         }
 313
 314                         // If it the own calendar return to the events page
 315                         // otherwise to the profile calendar page
 316                         if (local_user() === intval($owner_uid)) {
 317                                 $return_path = "events";
 318                         } else {
 319                                 $return_path = "cal/" . $nick;
 320                         }
 321
 322                         goaway($return_path);
 323                 }
 324
 325                 // If nothing went wrong we can echo the export content
 326                 if ($evexport["success"]) {
 327                         header('Content-type: text/calendar');
 328                         header('content-disposition: attachment; filename="' . t('calendar') . '-' . $nick . '.' . $evexport["extension"] . '"');
 329                         echo $evexport["content"];
 330                         killme();
 331                 }
 332
 333                 return;
 334         }
 335 }