mod/cal.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2020, Friendica
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  * The calendar module
  21  *
  22  * This calendar is for profile visitors and contains only the events
  23  * of the profile owner
  24  */
  25
  26 use Friendica\App;
  27 use Friendica\Content\Feature;
  28 use Friendica\Content\Nav;
  29 use Friendica\Content\Text\BBCode;
  30 use Friendica\Content\Widget;
  31 use Friendica\Core\Renderer;
  32 use Friendica\Core\Session;
  33 use Friendica\Database\DBA;
  34 use Friendica\DI;
  35 use Friendica\Model\Contact;
  36 use Friendica\Model\Event;
  37 use Friendica\Model\Item;
  38 use Friendica\Model\Profile;
  39 use Friendica\Module\BaseProfile;
  40 use Friendica\Network\HTTPException;
  41 use Friendica\Util\DateTimeFormat;
  42 use Friendica\Util\Temporal;
  43
  44 function cal_init(App $a)
  45 {
  46         if (DI::config()->get('system', 'block_public') && !Session::isAuthenticated()) {
  47                 throw new HTTPException\ForbiddenException(DI::l10n()->t('Access denied.'));
  48         }
  49
  50         if ($a->argc < 2) {
  51                 throw new HTTPException\ForbiddenException(DI::l10n()->t('Access denied.'));
  52         }
  53
  54         Nav::setSelected('events');
  55
  56         $nick = $a->argv[1];
  57         $user = DBA::selectFirst('user', [], ['nickname' => $nick, 'blocked' => false]);
  58         if (!DBA::isResult($user)) {
  59                 throw new HTTPException\NotFoundException();
  60         }
  61
  62         $a->data['user'] = $user;
  63         $a->profile_uid = $user['uid'];
  64
  65         // if it's a json request abort here becaus we don't
  66         // need the widget data
  67         if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
  68                 return;
  69         }
  70
  71         $a->profile = Profile::getByNickname($nick, $a->profile_uid);
  72
  73         if (empty($a->profile)) {
  74                 throw new HTTPException\NotFoundException(DI::l10n()->t('User not found.'));
  75         }
  76
  77         $account_type = Contact::getAccountType($a->profile);
  78
  79         $tpl = Renderer::getMarkupTemplate('widget/vcard.tpl');
  80
  81         $vcard_widget = Renderer::replaceMacros($tpl, [
  82                 '$name' => $a->profile['name'],
  83                 '$photo' => $a->profile['photo'],
  84                 '$addr' => $a->profile['addr'] ?: '',
  85                 '$account_type' => $account_type,
  86                 '$about' => BBCode::convert($a->profile['about']),
  87         ]);
  88
  89         $cal_widget = Widget\CalendarExport::getHTML();
  90
  91         if (empty(DI::page()['aside'])) {
  92                 DI::page()['aside'] = '';
  93         }
  94
  95         DI::page()['aside'] .= $vcard_widget;
  96         DI::page()['aside'] .= $cal_widget;
  97
  98         return;
  99 }
 100
 101 function cal_content(App $a)
 102 {
 103         Nav::setSelected('events');
 104
 105         // get the translation strings for the callendar
 106         $i18n = Event::getStrings();
 107
 108         DI::page()->registerStylesheet('view/asset/fullcalendar/dist/fullcalendar.min.css');
 109         DI::page()->registerStylesheet('view/asset/fullcalendar/dist/fullcalendar.print.min.css', 'print');
 110         DI::page()->registerFooterScript('view/asset/moment/min/moment-with-locales.min.js');
 111         DI::page()->registerFooterScript('view/asset/fullcalendar/dist/fullcalendar.min.js');
 112
 113         $htpl = Renderer::getMarkupTemplate('event_head.tpl');
 114         DI::page()['htmlhead'] .= Renderer::replaceMacros($htpl, [
 115                 '$module_url' => '/cal/' . $a->data['user']['nickname'],
 116                 '$modparams' => 2,
 117                 '$i18n' => $i18n,
 118         ]);
 119
 120         $mode = 'view';
 121         $y = 0;
 122         $m = 0;
 123         $ignored = (!empty($_REQUEST['ignored']) ? intval($_REQUEST['ignored']) : 0);
 124
 125         $format = 'ical';
 126         if ($a->argc == 4 && $a->argv[2] == 'export') {
 127                 $mode = 'export';
 128                 $format = $a->argv[3];
 129         }
 130
 131         // Setup permissions structures
 132         $owner_uid = intval($a->data['user']['uid']);
 133         $nick = $a->data['user']['nickname'];
 134
 135         $contact_id = Session::getRemoteContactID($a->profile['uid']);
 136
 137         $remote_contact = $contact_id && DBA::exists('contact', ['id' => $contact_id, 'uid' => $a->profile['uid']]);
 138
 139         $is_owner = local_user() == $a->profile['uid'];
 140
 141         if ($a->profile['hidewall'] && !$is_owner && !$remote_contact) {
 142                 notice(DI::l10n()->t('Access to this profile has been restricted.'));
 143                 return;
 144         }
 145
 146         // get the permissions
 147         $sql_perms = Item::getPermissionsSQLByUserId($owner_uid);
 148         // we only want to have the events of the profile owner
 149         $sql_extra = " AND `event`.`cid` = 0 " . $sql_perms;
 150
 151         // get the tab navigation bar
 152         $tabs = BaseProfile::getTabsHTML($a, 'cal', false, $a->data['user']['nickname']);
 153
 154         // The view mode part is similiar to /mod/events.php
 155         if ($mode == 'view') {
 156                 $thisyear = DateTimeFormat::localNow('Y');
 157                 $thismonth = DateTimeFormat::localNow('m');
 158                 if (!$y) {
 159                         $y = intval($thisyear);
 160                 }
 161
 162                 if (!$m) {
 163                         $m = intval($thismonth);
 164                 }
 165
 166                 // Put some limits on dates. The PHP date functions don't seem to do so well before 1900.
 167                 // An upper limit was chosen to keep search engines from exploring links millions of years in the future.
 168
 169                 if ($y < 1901) {
 170                         $y = 1900;
 171                 }
 172
 173                 if ($y > 2099) {
 174                         $y = 2100;
 175                 }
 176
 177                 $nextyear = $y;
 178                 $nextmonth = $m + 1;
 179                 if ($nextmonth > 12) {
 180                         $nextmonth = 1;
 181                         $nextyear ++;
 182                 }
 183
 184                 $prevyear = $y;
 185                 if ($m > 1) {
 186                         $prevmonth = $m - 1;
 187                 } else {
 188                         $prevmonth = 12;
 189                         $prevyear --;
 190                 }
 191
 192                 $dim = Temporal::getDaysInMonth($y, $m);
 193                 $start = sprintf('%d-%d-%d %d:%d:%d', $y, $m, 1, 0, 0, 0);
 194                 $finish = sprintf('%d-%d-%d %d:%d:%d', $y, $m, $dim, 23, 59, 59);
 195
 196
 197                 if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
 198                         if (!empty($_GET['start'])) {
 199                                 $start = $_GET['start'];
 200                         }
 201
 202                         if (!empty($_GET['end'])) {
 203                                 $finish = $_GET['end'];
 204                         }
 205                 }
 206
 207                 $start = DateTimeFormat::utc($start);
 208                 $finish = DateTimeFormat::utc($finish);
 209
 210                 $adjust_start = DateTimeFormat::local($start);
 211                 $adjust_finish = DateTimeFormat::local($finish);
 212
 213                 // put the event parametes in an array so we can better transmit them
 214                 $event_params = [
 215                         'event_id'      => intval($_GET['id'] ?? 0),
 216                         'start'         => $start,
 217                         'finish'        => $finish,
 218                         'adjust_start'  => $adjust_start,
 219                         'adjust_finish' => $adjust_finish,
 220                         'ignore'        => $ignored,
 221                 ];
 222
 223                 // get events by id or by date
 224                 if ($event_params['event_id']) {
 225                         $r = Event::getListById($owner_uid, $event_params['event_id'], $sql_extra);
 226                 } else {
 227                         $r = Event::getListByDate($owner_uid, $event_params, $sql_extra);
 228                 }
 229
 230                 $links = [];
 231
 232                 if (DBA::isResult($r)) {
 233                         $r = Event::sortByDate($r);
 234                         foreach ($r as $rr) {
 235                                 $j = $rr['adjust'] ? DateTimeFormat::local($rr['start'], 'j') : DateTimeFormat::utc($rr['start'], 'j');
 236                                 if (empty($links[$j])) {
 237                                         $links[$j] = DI::baseUrl() . '/' . DI::args()->getCommand() . '#link-' . $j;
 238                                 }
 239                         }
 240                 }
 241
 242                 // transform the event in a usable array
 243                 $events = Event::prepareListForTemplate($r);
 244
 245                 if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
 246                         echo json_encode($events);
 247                         exit();
 248                 }
 249
 250                 // links: array('href', 'text', 'extra css classes', 'title')
 251                 if (!empty($_GET['id'])) {
 252                         $tpl = Renderer::getMarkupTemplate("event.tpl");
 253                 } else {
 254 //                      if (DI::config()->get('experimentals','new_calendar')==1){
 255                         $tpl = Renderer::getMarkupTemplate("events_js.tpl");
 256 //                      } else {
 257 //                              $tpl = Renderer::getMarkupTemplate("events.tpl");
 258 //                      }
 259                 }
 260
 261                 // Get rid of dashes in key names, Smarty3 can't handle them
 262                 foreach ($events as $key => $event) {
 263                         $event_item = [];
 264                         foreach ($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                 $o = Renderer::replaceMacros($tpl, [
 272                         '$tabs' => $tabs,
 273                         '$title' => DI::l10n()->t('Events'),
 274                         '$view' => DI::l10n()->t('View'),
 275                         '$previous' => [DI::baseUrl() . "/events/$prevyear/$prevmonth", DI::l10n()->t('Previous'), '', ''],
 276                         '$next' => [DI::baseUrl() . "/events/$nextyear/$nextmonth", DI::l10n()->t('Next'), '', ''],
 277                         '$calendar' => Temporal::getCalendarTable($y, $m, $links, ' eventcal'),
 278                         '$events' => $events,
 279                         "today" => DI::l10n()->t("today"),
 280                         "month" => DI::l10n()->t("month"),
 281                         "week" => DI::l10n()->t("week"),
 282                         "day" => DI::l10n()->t("day"),
 283                         "list" => DI::l10n()->t("list"),
 284                 ]);
 285
 286                 if (!empty($_GET['id'])) {
 287                         echo $o;
 288                         exit();
 289                 }
 290
 291                 return $o;
 292         }
 293
 294         if ($mode == 'export') {
 295                 if (!$owner_uid) {
 296                         notice(DI::l10n()->t('User not found'));
 297                         return;
 298                 }
 299
 300                 // Get the export data by uid
 301                 $evexport = Event::exportListByUserId($owner_uid, $format);
 302
 303                 if (!$evexport["success"]) {
 304                         if ($evexport["content"]) {
 305                                 notice(DI::l10n()->t('This calendar format is not supported'));
 306                         } else {
 307                                 notice(DI::l10n()->t('No exportable data found'));
 308                         }
 309
 310                         // If it the own calendar return to the events page
 311                         // otherwise to the profile calendar page
 312                         if (local_user() === $owner_uid) {
 313                                 $return_path = "events";
 314                         } else {
 315                                 $return_path = "cal/" . $nick;
 316                         }
 317
 318                         DI::baseUrl()->redirect($return_path);
 319                 }
 320
 321                 // If nothing went wrong we can echo the export content
 322                 if ($evexport["success"]) {
 323                         header('Content-type: text/calendar');
 324                         header('content-disposition: attachment; filename="' . DI::l10n()->t('calendar') . '-' . $nick . '.' . $evexport["extension"] . '"');
 325                         echo $evexport["content"];
 326                         exit();
 327                 }
 328
 329                 return;
 330         }
 331 }