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