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\Core\Config;
  11 use Friendica\Core\PConfig;
  12 use Friendica\Core\System;
  13
  14 require_once('include/event.php');
  15 require_once('include/redir.php');
  16
  17 function cal_init(App $a) {
  18         if($a->argc > 1)
  19                 auto_redir($a, $a->argv[1]);
  20
  21         if((Config::get('system','block_public')) && (! local_user()) && (! remote_user())) {
  22                 return;
  23         }
  24
  25         nav_set_selected('events');
  26
  27         $o = '';
  28
  29         if($a->argc > 1) {
  30                 $nick = $a->argv[1];
  31                 $user = q("SELECT * FROM `user` WHERE `nickname` = '%s' AND `blocked` = 0 LIMIT 1",
  32                         dbesc($nick)
  33                 );
  34
  35                 if(! count($user))
  36                         return;
  37
  38                 $a->data['user'] = $user[0];
  39                 $a->profile_uid = $user[0]['uid'];
  40
  41                 // if it's a json request abort here becaus we don't
  42                 // need the widget data
  43                 if ($a->argv[2] === 'json')
  44                         return;
  45
  46                 $profile = get_profiledata_by_nick($nick, $a->profile_uid);
  47
  48                 $account_type = account_type($profile);
  49
  50                 $tpl = get_markup_template("vcard-widget.tpl");
  51
  52                 $vcard_widget .= replace_macros($tpl, array(
  53                         '$name' => $profile['name'],
  54                         '$photo' => $profile['photo'],
  55                         '$addr' => (($profile['addr'] != "") ? $profile['addr'] : ""),
  56                         '$account_type' => $account_type,
  57                         '$pdesc' => (($profile['pdesc'] != "") ? $profile['pdesc'] : ""),
  58                 ));
  59
  60                 $cal_widget = widget_events();
  61
  62                 if(! x($a->page,'aside'))
  63                         $a->page['aside'] = '';
  64
  65                 $a->page['aside'] .= $vcard_widget;
  66                 $a->page['aside'] .= $cal_widget;
  67         }
  68
  69         return;
  70 }
  71
  72 function cal_content(App $a) {
  73         nav_set_selected('events');
  74
  75         // First day of the week (0 = Sunday)
  76         $firstDay = PConfig::get(local_user(),'system','first_day_of_week', 0);
  77
  78         // get the translation strings for the callendar
  79         $i18n = get_event_strings();
  80
  81         $htpl = get_markup_template('event_head.tpl');
  82         $a->page['htmlhead'] .= replace_macros($htpl,array(
  83                 '$baseurl' => System::baseUrl(),
  84                 '$module_url' => '/cal/' . $a->data['user']['nickname'],
  85                 '$modparams' => 2,
  86                 '$i18n' => $i18n,
  87         ));
  88
  89         $etpl = get_markup_template('event_end.tpl');
  90         $a->page['end'] .= replace_macros($etpl,array(
  91                 '$baseurl' => System::baseUrl(),
  92         ));
  93
  94         $o ="";
  95
  96         $mode = 'view';
  97         $y = 0;
  98         $m = 0;
  99         $ignored = ((x($_REQUEST,'ignored')) ? intval($_REQUEST['ignored']) : 0);
 100
 101         if($a->argc == 4) {
 102                 if($a->argv[2] == 'export') {
 103                         $mode = 'export';
 104                         $format = $a->argv[3];
 105                 }
 106         }
 107
 108         //
 109         // Setup permissions structures
 110         //
 111
 112         $contact = null;
 113         $remote_contact = false;
 114         $contact_id = 0;
 115
 116         $owner_uid = $a->data['user']['uid'];
 117         $nick = $a->data['user']['nickname'];
 118
 119         if(is_array($_SESSION['remote'])) {
 120                 foreach($_SESSION['remote'] as $v) {
 121                         if($v['uid'] == $a->profile['profile_uid']) {
 122                                 $contact_id = $v['cid'];
 123                                 break;
 124                         }
 125                 }
 126         }
 127         if($contact_id) {
 128                 $groups = init_groups_visitor($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                         $contact = $r[0];
 135                         $remote_contact = true;
 136                 }
 137         }
 138         if(! $remote_contact) {
 139                 if(local_user()) {
 140                         $contact_id = $_SESSION['cid'];
 141                         $contact = $a->contact;
 142                 }
 143         }
 144         $is_owner = ((local_user()) && (local_user() == $a->profile['profile_uid']) ? true : false);
 145
 146         if($a->profile['hidewall'] && (! $is_owner) && (! $remote_contact)) {
 147                 notice( t('Access to this profile has been restricted.') . EOL);
 148                 return;
 149         }
 150
 151         // get the permissions
 152         $sql_perms = item_permissions_sql($owner_uid,$remote_contact,$groups);
 153         // we only want to have the events of the profile owner
 154         $sql_extra = " AND `event`.`cid` = 0 " . $sql_perms;
 155
 156         // get the tab navigation bar
 157         $tabs .= profile_tabs($a,false, $a->data['user']['nickname']);
 158
 159         // The view mode part is similiar to /mod/events.php
 160         if($mode == 'view') {
 161
 162
 163                 $thisyear = datetime_convert('UTC',date_default_timezone_get(),'now','Y');
 164                 $thismonth = datetime_convert('UTC',date_default_timezone_get(),'now','m');
 165                 if(! $y)
 166                         $y = intval($thisyear);
 167                 if(! $m)
 168                         $m = intval($thismonth);
 169
 170                 // Put some limits on dates. The PHP date functions don't seem to do so well before 1900.
 171                 // An upper limit was chosen to keep search engines from exploring links millions of years in the future.
 172
 173                 if($y < 1901)
 174                         $y = 1900;
 175                 if($y > 2099)
 176                         $y = 2100;
 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                 $dim    = get_dim($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'))   $start = $_GET['start'];
 200                         if (x($_GET,'end'))     $finish = $_GET['end'];
 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                 $event_params = array(
 211                         'event_id' => (x($_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                 $links = array();
 227
 228                 if (dbm::is_result($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
 239                 $events=array();
 240
 241                 // transform the event in a usable array
 242                 if (dbm::is_result($r))
 243                         $r = sort_by_date($r);
 244                         $events = process_events($r);
 245
 246                 if ($a->argv[2] === 'json'){
 247                         echo json_encode($events); killme();
 248                 }
 249
 250                 // links: array('href', 'text', 'extra css classes', 'title')
 251                 if (x($_GET,'id')){
 252                         $tpl =  get_markup_template("event.tpl");
 253                 } else {
 254 //                      if (Config::get('experimentals','new_calendar')==1){
 255                                 $tpl = get_markup_template("events_js.tpl");
 256 //                      } else {
 257 //                              $tpl = get_markup_template("events.tpl");
 258 //                      }
 259                 }
 260
 261                 // Get rid of dashes in key names, Smarty3 can't handle them
 262                 foreach($events as $key => $event) {
 263                         $event_item = array();
 264                         foreach($event['item'] as $k => $v) {
 265                                 $k = str_replace('-','_',$k);
 266                                 $event_item[$k] = $v;
 267                         }
 268                         $events[$key]['item'] = $event_item;
 269                 }
 270
 271                 $o = replace_macros($tpl, array(
 272                         '$baseurl'      => System::baseUrl(),
 273                         '$tabs'         => $tabs,
 274                         '$title'        => t('Events'),
 275                         '$view'         => t('View'),
 276                         '$previous'     => array(System::baseUrl()."/events/$prevyear/$prevmonth", t('Previous'),'',''),
 277                         '$next'         => array(System::baseUrl()."/events/$nextyear/$nextmonth", t('Next'),'',''),
 278                         '$calendar' => cal($y,$m,$links, ' eventcal'),
 279
 280                         '$events'       => $events,
 281
 282                         "today" => t("today"),
 283                         "month" => t("month"),
 284                         "week" => t("week"),
 285                         "day" => t("day"),
 286                         "list" => t("list"),
 287                 ));
 288
 289                 if (x($_GET,'id')){ echo $o; killme(); }
 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_enabled($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($evexport["content"])
 312                                 notice( t('This calendar format is not supported') );
 313                         else
 314                                 notice( t('No exportable data found'));
 315
 316                         // If it the own calendar return to the events page
 317                         // otherwise to the profile calendar page
 318                         if (local_user() === intval($owner_uid))
 319                                 $return_path = "events";
 320                         else
 321                                 $returnpath = "cal/".$nick;
 322
 323                         goaway($return_path);
 324                 }
 325
 326                 // If nothing went wrong we can echo the export content
 327                 if ($evexport["success"]) {
 328                         header('Content-type: text/calendar');
 329                         header('content-disposition: attachment; filename="' . t('calendar') . '-' . $nick . '.' . $evexport["extension"] . '"' );
 330                         echo $evexport["content"];
 331                         killme();
 332                 }
 333
 334                 return;
 335         }
 336 }