include/group.php

   1 <?php
   2
   3
   4 function group_add($uid,$name) {
   5
   6         $ret = false;
   7         if(x($uid) && x($name)) {
   8                 $r = group_byname($uid,$name); // check for dups
   9                 if($r !== false) {
  10
  11                         // This could be a problem.
  12                         // Let's assume we've just created a group which we once deleted
  13                         // all the old members are gone, but the group remains so we don't break any security
  14                         // access lists. What we're doing here is reviving the dead group, but old content which
  15                         // was restricted to this group may now be seen by the new group members.
  16
  17                         $z = q("SELECT * FROM `group` WHERE `id` = %d LIMIT 1",
  18                                 intval($r)
  19                         );
  20                         if(count($z) && $z[0]['deleted']) {
  21                                 $r = q("UPDATE `group` SET `deleted` = 0 WHERE `uid` = %d AND `name` = '%s' LIMIT 1",
  22                                         intval($uid),
  23                                         dbesc($name)
  24                                 );
  25                                 notice( t('A deleted group with this name was revived. Existing item permissions <strong>may</strong> apply to this group and any future members. If this is not what you intended, please create another group with a different name.') . EOL);
  26                         }
  27                         return true;
  28                 }
  29                 $r = q("INSERT INTO `group` ( `uid`, `name` )
  30                         VALUES( %d, '%s' ) ",
  31                         intval($uid),
  32                         dbesc($name)
  33                 );
  34                 $ret = $r;
  35         }
  36         return $ret;
  37 }
  38
  39
  40 function group_rmv($uid,$name) {
  41         $ret = false;
  42         if(x($uid) && x($name)) {
  43                 $r = q("SELECT * FROM `group` WHERE `uid` = %d AND `name` = '%s' LIMIT 1",
  44                         intval($uid),
  45                         dbesc($name)
  46                 );
  47                 if(count($r))
  48                         $group_id = $r[0]['id'];
  49                 if(! $group_id)
  50                         return false;
  51
  52                 // remove all members
  53                 $r = q("DELETE FROM `group_member` WHERE `uid` = %d AND `gid` = %d ",
  54                         intval($uid),
  55                         intval($group_id)
  56                 );
  57
  58                 // remove group
  59                 $r = q("UPDATE `group` SET `deleted` = 1 WHERE `uid` = %d AND `name` = '%s' LIMIT 1",
  60                         intval($uid),
  61                         dbesc($name)
  62                 );
  63
  64                 $ret = $r;
  65
  66         }
  67
  68         return $ret;
  69 }
  70
  71 function group_byname($uid,$name) {
  72         if((! $uid) || (! strlen($name)))
  73                 return false;
  74         $r = q("SELECT * FROM `group` WHERE `uid` = %d AND `name` = '%s' LIMIT 1",
  75                 intval($uid),
  76                 dbesc($name)
  77         );
  78         if(count($r))
  79                 return $r[0]['id'];
  80         return false;
  81 }
  82
  83 function group_rmv_member($uid,$name,$member) {
  84         $gid = group_byname($uid,$name);
  85         if(! $gid)
  86                 return false;
  87         if(! ( $uid && $gid && $member))
  88                 return false;
  89         $r = q("DELETE FROM `group_member` WHERE `uid` = %d AND `gid` = %d AND `contact-id` = %d LIMIT 1 ",
  90                 intval($uid),
  91                 intval($gid),
  92                 intval($member)
  93         );
  94         return $r;
  95
  96
  97 }
  98
  99
 100 function group_add_member($uid,$name,$member) {
 101         $gid = group_byname($uid,$name);
 102         if((! $gid) || (! $uid) || (! $member))
 103                 return false;
 104
 105         $r = q("SELECT * FROM `group_member` WHERE `uid` = %d AND `id` = %d AND `contact-id` = %d LIMIT 1",
 106                 intval($uid),
 107                 intval($gid),
 108                 intval($member)
 109         );
 110         if(count($r))
 111                 return true;    // You might question this, but
 112                                 // we indicate success because the group was in fact created
 113                                 // -- It was just created at another time
 114         if(! count($r))
 115                 $r = q("INSERT INTO `group_member` (`uid`, `gid`, `contact-id`)
 116                         VALUES( %d, %d, %d ) ",
 117                         intval($uid),
 118                         intval($gid),
 119                         intval($member)
 120         );
 121         return $r;
 122 }
 123
 124 function group_get_members($gid) {
 125         $ret = array();
 126         if(intval($gid)) {
 127                 $r = q("SELECT `group_member`.`contact-id`, `contact`.* FROM `group_member`
 128                         LEFT JOIN `contact` ON `contact`.`id` = `group_member`.`contact-id`
 129                         WHERE `gid` = %d AND `group_member`.`uid` = %d ORDER BY `contact`.`name` ASC ",
 130                         intval($gid),
 131                         intval(local_user())
 132                 );
 133                 if(count($r))
 134                         $ret = $r;
 135         }
 136         return $ret;
 137 }
 138
 139 function group_public_members($gid) {
 140         $ret = 0;
 141         if(intval($gid)) {
 142                 $r = q("SELECT `contact`.`id` AS `contact-id` FROM `group_member`
 143                         LEFT JOIN `contact` ON `contact`.`id` = `group_member`.`contact-id`
 144                         WHERE `gid` = %d AND `group_member`.`uid` = %d
 145                         AND  `contact`.`network` = '%s' AND `contact`.`notify` != '' ",
 146                         intval($gid),
 147                         intval(local_user()),
 148                         dbesc(NETWORK_OSTATUS)
 149                 );
 150                 if(count($r))
 151                         $ret = count($r);
 152         }
 153         return $ret;
 154 }
 155
 156
 157
 158 function group_side($every="contacts",$each="group",$edit = false, $group_id = 0, $cid = 0) {
 159
 160         $o = '';
 161
 162         if(! local_user())
 163                 return '';
 164
 165         $groups = array();
 166
 167         $groups[] = array(
 168                 'text'  => t('Everybody'),
 169                 'selected' => (($group_id == 0) ? 'group-selected' : ''),
 170                 'href'  => $every,
 171         );
 172
 173
 174
 175         $r = q("SELECT * FROM `group` WHERE `deleted` = 0 AND `uid` = %d ORDER BY `name` ASC",
 176                 intval($_SESSION['uid'])
 177         );
 178         $member_of = array();
 179         if($cid) {
 180                 $member_of = groups_containing(local_user(),$cid);
 181         }
 182
 183         if(count($r)) {
 184                 foreach($r as $rr) {
 185                         $selected = (($group_id == $rr['id']) ? ' group-selected' : '');
 186
 187                         if ($edit) {
 188                                 $groupedit = array(
 189                                         'href' => "group/".$rr['id'],
 190                                         'title' => t('edit'),
 191                                 );
 192                         } else {
 193                                 $groupedit = null;
 194                         }
 195
 196                         $groups[] = array(
 197                                 'id'            => $rr['id'],
 198                                 'cid'           => $cid,
 199                                 'text'          => $rr['name'],
 200                                 'selected'      => $selected,
 201                                 'href'          => $each."/".$rr['id'],
 202                                 'edit'          => $groupedit,
 203                                 'ismember'      => in_array($rr['id'],$member_of),
 204                         );
 205                 }
 206         }
 207
 208
 209         $tpl = get_markup_template("group_side.tpl");
 210         $o = replace_macros($tpl, array(
 211                 '$title'                => t('Groups'),
 212                 '$createtext'   => t('Create a new group'),
 213                 '$groups'               => $groups,
 214                 '$add'                  => t('add'),
 215         ));
 216
 217
 218         return $o;
 219 }
 220
 221 function expand_groups($a) {
 222         if(! (is_array($a) && count($a)))
 223                 return array();
 224         $groups = implode(',', $a);
 225         $groups = dbesc($groups);
 226         $r = q("SELECT `contact-id` FROM `group_member` WHERE `gid` IN ( $groups )");
 227         $ret = array();
 228         if(count($r))
 229                 foreach($r as $rr)
 230                         $ret[] = $rr['contact-id'];
 231         return $ret;
 232 }
 233
 234
 235 function member_of($c) {
 236
 237         $r = q("SELECT `group`.`name`, `group`.`id` FROM `group` LEFT JOIN `group_member` ON `group_member`.`gid` = `group`.`id` WHERE `group_member`.`contact-id` = %d AND `group`.`deleted` = 0 ORDER BY `group`.`name`  ASC ",
 238                 intval($c)
 239         );
 240
 241         return $r;
 242
 243 }
 244
 245 function groups_containing($uid,$c) {
 246
 247         $r = q("SELECT `gid` FROM `group_member` WHERE `uid` = %d AND `group_member`.`contact-id` = %d ",
 248                 intval($uid),
 249                 intval($c)
 250         );
 251
 252         $ret = array();
 253         if(count($r)) {
 254                 foreach($r as $rr)
 255                         $ret[] = $rr['gid'];
 256         }
 257
 258         return $ret;
 259 }