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\Nav;
  28 use Friendica\Content\Text\BBCode;
  29 use Friendica\Content\Widget;
  30 use Friendica\Core\Renderer;
  31 use Friendica\Core\Session;
  32 use Friendica\Database\DBA;
  33 use Friendica\DI;
  34 use Friendica\Model\Contact;
  35 use Friendica\Model\Event;
  36 use Friendica\Model\Item;
  37 use Friendica\Model\Profile;
  38 use Friendica\Module\BaseProfile;
  39 use Friendica\Network\HTTPException;
  40 use Friendica\Util\DateTimeFormat;
  41 use Friendica\Util\Temporal;
  42
  43 function cal_init(App $a)
  44 {
  45         if (DI::config()->get('system', 'block_public') && !Session::isAuthenticated()) {
  46                 throw new HTTPException\ForbiddenException(DI::l10n()->t('Access denied.'));
  47         }
  48
  49         if ($a->argc < 2) {
  50                 throw new HTTPException\ForbiddenException(DI::l10n()->t('Access denied.'));
  51         }
  52
  53         Nav::setSelected('events');
  54
  55         $nick = $a->argv[1];
  56         $user = DBA::selectFirst('user', [], ['nickname' => $nick, 'blocked' => false]);
  57         if (!DBA::isResult($user)) {
  58                 throw new HTTPException\NotFoundException();
  59         }
  60
  61         $a->data['user'] = $user;
  62         $a->profile_uid = $user['uid'];
  63
  64         // if it's a json request abort here becaus we don't
  65         // need the widget data
  66         if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
  67                 return;
  68         }
  69
  70         $a->profile = Profile::getByNickname($nick, $a->profile_uid);
  71         if (empty($a->profile)) {
  72                 throw new HTTPException\NotFoundException(DI::l10n()->t('User not found.'));
  73         }
  74
  75         $account_type = Contact::getAccountType($a->profile);
  76
  77         $tpl = Renderer::getMarkupTemplate('widget/vcard.tpl');
  78
  79         $vcard_widget = Renderer::replaceMacros($tpl, [
  80                 '$name' => $a->profile['name'],
  81                 '$photo' => $a->profile['photo'],
  82                 '$addr' => $a->profile['addr'] ?: '',
  83                 '$account_type' => $account_type,
  84                 '$about' => BBCode::convert($a->profile['about']),
  85         ]);
  86
  87         $cal_widget = Widget\CalendarExport::getHTML();
  88
  89         if (empty(DI::page()['aside'])) {
  90                 DI::page()['aside'] = '';
  91         }
  92
  93         DI::page()['aside'] .= $vcard_widget;
  94         DI::page()['aside'] .= $cal_widget;
  95
  96         return;
  97 }
  98
  99 function cal_content(App $a)
 100 {
 101         Nav::setSelected('events');
 102
 103         // get the translation strings for the callendar
 104         $i18n = Event::getStrings();
 105
 106         DI::page()->registerStylesheet('view/asset/fullcalendar/dist/fullcalendar.min.css');
 107         DI::page()->registerStylesheet('view/asset/fullcalendar/dist/fullcalendar.print.min.css', 'print');
 108         DI::page()->registerFooterScript('view/asset/moment/min/moment-with-locales.min.js');
 109         DI::page()->registerFooterScript('view/asset/fullcalendar/dist/fullcalendar.min.js');
 110
 111         $htpl = Renderer::getMarkupTemplate('event_head.tpl');
 112         DI::page()['htmlhead'] .= Renderer::replaceMacros($htpl, [
 113                 '$module_url' => '/cal/' . $a->data['user']['nickname'],
 114                 '$modparams' => 2,
 115                 '$i18n' => $i18n,
 116         ]);
 117
 118         $mode = 'view';
 119         $y = 0;
 120         $m = 0;
 121         $ignored = (!empty($_REQUEST['ignored']) ? intval($_REQUEST['ignored']) : 0);
 122
 123         $format = 'ical';
 124         if ($a->argc == 4 && $a->argv[2] == 'export') {
 125                 $mode = 'export';
 126                 $format = $a->argv[3];
 127         }
 128
 129         // Setup permissions structures
 130         $owner_uid = intval($a->data['user']['uid']);
 131         $nick = $a->data['user']['nickname'];
 132         if (empty($a->profile)) {
 133                 throw new HTTPException\NotFoundException(DI::l10n()->t('User not found.'));
 134         }
 135
 136         $contact_id = Session::getRemoteContactID($a->profile['uid']);
 137
 138         $remote_contact = $contact_id && DBA::exists('contact', ['id' => $contact_id, 'uid' => $a->profile['uid']]);
 139
 140         $is_owner = local_user() == $a->profile['uid'];
 141
 142         if ($a->profile['hidewall'] && !$is_owner && !$remote_contact) {
 143                 notice(DI::l10n()->t('Access to this profile has been restricted.'));
 144                 return;
 145         }
 146
 147         // get the permissions
 148         $sql_perms = Item::getPermissionsSQLByUserId($owner_uid);
 149         // we only want to have the events of the profile owner
 150         $sql_extra = " AND `event`.`cid` = 0 " . $sql_perms;
 151
 152         // get the tab navigation bar
 153         $tabs = BaseProfile::getTabsHTML($a, 'cal', false, $a->data['user']['nickname']);
 154
 155         // The view mode part is similiar to /mod/events.php
 156         if ($mode == 'view') {
 157                 $thisyear = DateTimeFormat::localNow('Y');
 158                 $thismonth = DateTimeFormat::localNow('m');
 159                 if (!$y) {
 160                         $y = intval($thisyear);
 161                 }
 162
 163                 if (!$m) {
 164                         $m = intval($thismonth);
 165                 }
 166
 167                 // Put some limits on dates. The PHP date functions don't seem to do so well before 1900.
 168                 // An upper limit was chosen to keep search engines from exploring links millions of years in the future.
 169
 170                 if ($y < 1901) {
 171                         $y = 1900;
 172                 }
 173
 174                 if ($y > 2099) {
 175                         $y = 2100;
 176                 }
 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                 $dim = Temporal::getDaysInMonth($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, $dim, 23, 59, 59);
 196
 197
 198                 if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
 199                         if (!empty($_GET['start'])) {
 200                                 $start = $_GET['start'];
 201                         }
 202
 203                         if (!empty($_GET['end'])) {
 204                                 $finish = $_GET['end'];
 205                         }
 206                 }
 207
 208                 $start = DateTimeFormat::utc($start);
 209                 $finish = DateTimeFormat::utc($finish);
 210
 211                 $adjust_start = DateTimeFormat::local($start);
 212                 $adjust_finish = DateTimeFormat::local($finish);
 213
 214                 // put the event parametes in an array so we can better transmit them
 215                 $event_params = [
 216                         'event_id'      => intval($_GET['id'] ?? 0),
 217                         'start'         => $start,
 218                         'finish'        => $finish,
 219                         'adjust_start'  => $adjust_start,
 220                         'adjust_finish' => $adjust_finish,
 221                         'ignore'        => $ignored,
 222                 ];
 223
 224                 // get events by id or by date
 225                 if ($event_params['event_id']) {
 226                         $r = Event::getListById($owner_uid, $event_params['event_id'], $sql_extra);
 227                 } else {
 228                         $r = Event::getListByDate($owner_uid, $event_params, $sql_extra);
 229                 }
 230
 231                 $links = [];
 232
 233                 if (DBA::isResult($r)) {
 234                         $r = Event::sortByDate($r);
 235                         foreach ($r as $rr) {
 236                                 $j = $rr['adjust'] ? DateTimeFormat::local($rr['start'], 'j') : DateTimeFormat::utc($rr['start'], 'j');
 237                                 if (empty($links[$j])) {
 238                                         $links[$j] = DI::baseUrl() . '/' . DI::args()->getCommand() . '#link-' . $j;
 239                                 }
 240                         }
 241                 }
 242
 243                 // transform the event in a usable array
 244                 $events = Event::prepareListForTemplate($r);
 245
 246                 if (!empty($a->argv[2]) && ($a->argv[2] === 'json')) {
 247                         echo json_encode($events);
 248                         exit();
 249                 }
 250
 251                 // links: array('href', 'text', 'extra css classes', 'title')
 252                 if (!empty($_GET['id'])) {
 253                         $tpl = Renderer::getMarkupTemplate("event.tpl");
 254                 } else {
 255 //                      if (DI::config()->get('experimentals','new_calendar')==1){
 256                         $tpl = Renderer::getMarkupTemplate("events_js.tpl");
 257 //                      } else {
 258 //                              $tpl = Renderer::getMarkupTemplate("events.tpl");
 259 //                      }
 260                 }
 261
 262                 // Get rid of dashes in key names, Smarty3 can't handle them
 263                 foreach ($events as $key => $event) {
 264                         $event_item = [];
 265                         foreach ($event['item'] as $k => $v) {
 266                                 $k = str_replace('-', '_', $k);
 267                                 $event_item[$k] = $v;
 268                         }
 269                         $events[$key]['item'] = $event_item;
 270                 }
 271
 272                 $o = Renderer::replaceMacros($tpl, [
 273                         '$tabs' => $tabs,
 274                         '$title' => DI::l10n()->t('Events'),
 275                         '$view' => DI::l10n()->t('View'),
 276                         '$previous' => [DI::baseUrl() . "/events/$prevyear/$prevmonth", DI::l10n()->t('Previous'), '', ''],
 277                         '$next' => [DI::baseUrl() . "/events/$nextyear/$nextmonth", DI::l10n()->t('Next'), '', ''],
 278                         '$calendar' => Temporal::getCalendarTable($y, $m, $links, ' eventcal'),
 279                         '$events' => $events,
 280                         "today" => DI::l10n()->t("today"),
 281                         "month" => DI::l10n()->t("month"),
 282                         "week" => DI::l10n()->t("week"),
 283                         "day" => DI::l10n()->t("day"),
 284                         "list" => DI::l10n()->t("list"),
 285                 ]);
 286
 287                 if (!empty($_GET['id'])) {
 288                         echo $o;
 289                         exit();
 290                 }
 291
 292                 return $o;
 293         }
 294
 295         if ($mode == 'export') {
 296                 if (!$owner_uid) {
 297                         notice(DI::l10n()->t('User not found'));
 298                         return;
 299                 }
 300
 301                 // Get the export data by uid
 302                 $evexport = Event::exportListByUserId($owner_uid, $format);
 303
 304                 if (!$evexport["success"]) {
 305                         if ($evexport["content"]) {
 306                                 notice(DI::l10n()->t('This calendar format is not supported'));
 307                         } else {
 308                                 notice(DI::l10n()->t('No exportable data found'));
 309                         }
 310
 311                         // If it the own calendar return to the events page
 312                         // otherwise to the profile calendar page
 313                         if (local_user() === $owner_uid) {
 314                                 $return_path = "events";
 315                         } else {
 316                                 $return_path = "cal/" . $nick;
 317                         }
 318
 319                         DI::baseUrl()->redirect($return_path);
 320                 }
 321
 322                 // If nothing went wrong we can echo the export content
 323                 if ($evexport["success"]) {
 324                         header('Content-type: text/calendar');
 325                         header('content-disposition: attachment; filename="' . DI::l10n()->t('calendar') . '-' . $nick . '.' . $evexport["extension"] . '"');
 326                         echo $evexport["content"];
 327                         exit();
 328                 }
 329
 330                 return;
 331         }
 332 }