include/photos.php

   1 <?php
   2 /**
   3  * @file include/photos.php
   4  * @brief Functions related to photo handling.
   5  */
   6
   7
   8 /**
   9  * @brief Get the permissions for the photos page
  10  *
  11  * @param int $owner_uid Owner of the photos page
  12  * @param bool $community_page If it's an forum account
  13  *
  14  * @return array
  15  *......'can_post'
  16  *......'visitor'
  17  *......'contact'
  18  *      'remote_contact'
  19  * .....'contact_id'
  20  *      'groups'
  21  */
  22 function photos_permissions($owner_uid, $community_page = 0) {
  23
  24         $arr = array();
  25
  26         if((local_user()) && (local_user() == $owner_uid))
  27                 $arr['can_post'] = true;
  28         else {
  29                 if($community_page && remote_user()) {
  30                         if(is_array($_SESSION['remote'])) {
  31                                 foreach($_SESSION['remote'] as $v) {
  32                                         if($v['uid'] == $owner_uid) {
  33                                                 $arr['contact_id'] = $v['cid'];
  34                                                 break;
  35                                         }
  36                                 }
  37                         }
  38                         if($arr['contact_id']) {
  39
  40                                 $r = q("SELECT `uid` FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `id` = %d AND `uid` = %d LIMIT 1",
  41                                         intval($arr['contact_id']),
  42                                         intval($owner_uid)
  43                                 );
  44                                 if(count($r)) {
  45                                         $arr['can_post'] = true;
  46                                         $arr['contact'] = $r[0];
  47                                         $arr['remote_contact'] = true;
  48                                         $arr['visitor'] = $cid;
  49                                 }
  50                         }
  51                 }
  52         }
  53
  54         // perhaps they're visiting - but not a community page, so they wouldn't have write access
  55
  56         if(remote_user() && (! $arr['visitor'])) {
  57                 $arr['contact_id'] = 0;
  58                 if(is_array($_SESSION['remote'])) {
  59                         foreach($_SESSION['remote'] as $v) {
  60                                 if($v['uid'] == $owner_uid) {
  61                                         $arr['contact_id'] = $v['cid'];
  62                                         break;
  63                                 }
  64                         }
  65                 }
  66                 if($arr['contact_id']) {
  67                         $arr['groups'] = init_groups_visitor($arr['contact_id']);
  68                         $r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `id` = %d AND `uid` = %d LIMIT 1",
  69                                 intval($arr['contact_id']),
  70                                 intval($owner_uid)
  71                         );
  72                         if(count($r)) {
  73                                 $arr['contact'] = $r[0];
  74                                 $arr['remote_contact'] = true;
  75                         }
  76                 }
  77         }
  78
  79         if(! $arr['remote_contact']) {
  80                 if(local_user()) {
  81                         $arr['contact_id'] = $_SESSION['cid'];
  82                         $arr['contact'] = $a->contact;
  83                 }
  84         }
  85
  86         return $arr;
  87 }
  88
  89 /**
  90  * @brief Construnct a widget with last uploaded photos
  91  *
  92  * It displays the last 9 photos
  93  *
  94  * @param array $profile_data
  95  *......'profile_uid'...=> The user.id of the profile (owner of the hotos)
  96  *......'nickname'......=> Nick of the owner of the profile
  97  *......'page-flags'....=> Account type of the profile
  98  *
  99  * @return string
 100  *......formatted html
 101  *
 102  * @template widget_photos.tpl
 103  */
 104 function widget_photos($profile_data) {
 105
 106         $community_page = (($profile_data['page-flags'] == PAGE_COMMUNITY) ? true : false);
 107         $nickname = $profile_data['nickname'];
 108         $owner_id = $profile_data['profile_uid'];
 109
 110         $phototypes = Photo::supportedTypes();
 111         $photos_perms = photos_permissions($owner_id, $community_page);
 112
 113         $sql_extra = permissions_sql($owner_id, $photos_perms['remote_contact'], $photos_perms['groups']);
 114
 115         $r = q("SELECT `resource-id`, `id`, `filename`, `type`, max(`scale`) AS `scale` FROM `photo`
 116                 WHERE `uid` = %d AND `album` != '%s' AND `album` != '%s' AND `album` != '%s'
 117                 $sql_extra GROUP BY `resource-id` ORDER BY `created` DESC LIMIT 9",
 118                 intval($owner_id),
 119                 dbesc('Contact Photos'),
 120                 dbesc( t('Contact Photos')),
 121                 dbesc( t('Profile Photos'))
 122         );
 123
 124         $photos = array();
 125         if(count($r)) {
 126                 foreach($r as $rr) {
 127                         $ext = $phototypes[$rr['type']];
 128
 129                         $photos[] = array(
 130                                 'id'            => $rr['id'],
 131                                 'src'           => z_root() . '/photos/' . $nickname . '/image/' . $rr['resource-id'],
 132                                 'photo'         => z_root() . '/photo/' . $rr['resource-id'] . '-' . ((($rr['scale']) == 6) ? 4 : $rr['scale']) . '.' . $ext,
 133                                 'alt_text'      => $rr['filename'],
 134                         );
 135                 }
 136
 137                 $tpl = get_markup_template('widget_photos.tpl');
 138                 $o .= replace_macros($tpl, array(
 139                         '$title' => t('Photos'),
 140                         '$photos' => $photos,
 141                         '$photo_albums_page'    => z_root() . '/photos/' . $nickname,
 142                         '$photo_albums_page_title' => t('Vist the Photo Albums'),
 143                 ));
 144
 145                 return $o;
 146         }
 147 }
 148
 149 function getGps($exifCoord, $hemi) {
 150         $degrees = count($exifCoord) > 0 ? gps2Num($exifCoord[0]) : 0;
 151         $minutes = count($exifCoord) > 1 ? gps2Num($exifCoord[1]) : 0;
 152         $seconds = count($exifCoord) > 2 ? gps2Num($exifCoord[2]) : 0;
 153
 154         $flip = ($hemi == 'W' or $hemi == 'S') ? -1 : 1;
 155
 156         return floatval($flip * ($degrees + ($minutes / 60) + ($seconds / 3600)));
 157 }
 158
 159 function gps2Num($coordPart) {
 160         $parts = explode('/', $coordPart);
 161
 162         if (count($parts) <= 0)
 163                 return 0;
 164
 165         if (count($parts) == 1)
 166                 return $parts[0];
 167
 168         return floatval($parts[0]) / floatval($parts[1]);
 169 }