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,$gid = 0) {
 101         if(! $gid)
 102                 $gid = group_byname($uid,$name);
 103         if((! $gid) || (! $uid) || (! $member))
 104                 return false;
 105
 106         $r = q("SELECT * FROM `group_member` WHERE `uid` = %d AND `id` = %d AND `contact-id` = %d LIMIT 1",
 107                 intval($uid),
 108                 intval($gid),
 109                 intval($member)
 110         );
 111         if(count($r))
 112                 return true;    // You might question this, but
 113                                 // we indicate success because the group member was in fact created
 114                                 // -- It was just created at another time
 115         if(! count($r))
 116                 $r = q("INSERT INTO `group_member` (`uid`, `gid`, `contact-id`)
 117                         VALUES( %d, %d, %d ) ",
 118                         intval($uid),
 119                         intval($gid),
 120                         intval($member)
 121         );
 122         return $r;
 123 }
 124
 125 function group_get_members($gid) {
 126         $ret = array();
 127         if(intval($gid)) {
 128                 $r = q("SELECT `group_member`.`contact-id`, `contact`.* FROM `group_member`
 129                         LEFT JOIN `contact` ON `contact`.`id` = `group_member`.`contact-id`
 130                         WHERE `gid` = %d AND `group_member`.`uid` = %d ORDER BY `contact`.`name` ASC ",
 131                         intval($gid),
 132                         intval(local_user())
 133                 );
 134                 if(count($r))
 135                         $ret = $r;
 136         }
 137         return $ret;
 138 }
 139
 140 function group_public_members($gid) {
 141         $ret = 0;
 142         if(intval($gid)) {
 143                 $r = q("SELECT `contact`.`id` AS `contact-id` FROM `group_member`
 144                         LEFT JOIN `contact` ON `contact`.`id` = `group_member`.`contact-id`
 145                         WHERE `gid` = %d AND `group_member`.`uid` = %d
 146                         AND  `contact`.`network` = '%s' AND `contact`.`notify` != '' ",
 147                         intval($gid),
 148                         intval(local_user()),
 149                         dbesc(NETWORK_OSTATUS)
 150                 );
 151                 if(count($r))
 152                         $ret = count($r);
 153         }
 154         return $ret;
 155 }
 156
 157
 158 function mini_group_select($uid,$gid = 0) {
 159
 160         $grps = array();
 161         $o = '';
 162
 163         $r = q("SELECT * FROM `group` WHERE `deleted` = 0 AND `uid` = %d ORDER BY `name` ASC",
 164                 intval($uid)
 165         );
 166         $grps[] = array('name' => '', 'id' => '0', 'selected' => '');
 167         if(count($r)) {
 168                 foreach($r as $rr) {
 169                         $grps[] = array('name' => $rr['name'], 'id' => $rr['id'], 'selected' => (($gid == $rr['id']) ? 'true' : ''));
 170                 }
 171
 172         }
 173         logger('groups: ' . print_r($grps,true));
 174
 175         $o = replace_macros(get_markup_template('group_selection.tpl'), array(
 176                 '$label' => t('Default privacy group for new contacts'),
 177                 '$groups' => $grps
 178         ));
 179         return $o;
 180 }
 181
 182
 183
 184
 185 function group_side($every="contacts",$each="group",$edit = false, $group_id = 0, $cid = 0) {
 186
 187         $o = '';
 188
 189         if(! local_user())
 190                 return '';
 191
 192         $groups = array();
 193
 194         $groups[] = array(
 195                 'text'  => t('Everybody'),
 196                 'id' => 0,
 197                 'selected' => (($group_id == 0) ? 'group-selected' : ''),
 198                 'href'  => $every,
 199         );
 200
 201
 202
 203         $r = q("SELECT * FROM `group` WHERE `deleted` = 0 AND `uid` = %d ORDER BY `name` ASC",
 204                 intval($_SESSION['uid'])
 205         );
 206         $member_of = array();
 207         if($cid) {
 208                 $member_of = groups_containing(local_user(),$cid);
 209         }
 210
 211         if(count($r)) {
 212                 foreach($r as $rr) {
 213                         $selected = (($group_id == $rr['id']) ? ' group-selected' : '');
 214
 215                         if ($edit) {
 216                                 $groupedit = array(
 217                                         'href' => "group/".$rr['id'],
 218                                         'title' => t('edit'),
 219                                 );
 220                         } else {
 221                                 $groupedit = null;
 222                         }
 223
 224                         $groups[] = array(
 225                                 'id'            => $rr['id'],
 226                                 'cid'           => $cid,
 227                                 'text'          => $rr['name'],
 228                                 'selected'      => $selected,
 229                                 'href'          => $each."/".$rr['id'],
 230                                 'edit'          => $groupedit,
 231                                 'ismember'      => in_array($rr['id'],$member_of),
 232                         );
 233                 }
 234         }
 235
 236
 237         $tpl = get_markup_template("group_side.tpl");
 238         $o = replace_macros($tpl, array(
 239                 '$title'                => t('Groups'),
 240                 '$edittext'     => t('Edit group'),
 241                 '$createtext'   => t('Create a new group'),
 242                 '$ungrouped'    => (($every === 'contacts') ? t('Contacts not in any group') : ''),
 243                 '$groups'               => $groups,
 244                 '$add'                  => t('add'),
 245         ));
 246
 247
 248         return $o;
 249 }
 250
 251 function expand_groups($a) {
 252         if(! (is_array($a) && count($a)))
 253                 return array();
 254         $groups = implode(',', $a);
 255         $groups = dbesc($groups);
 256         $r = q("SELECT `contact-id` FROM `group_member` WHERE `gid` IN ( $groups )");
 257         $ret = array();
 258         if(count($r))
 259                 foreach($r as $rr)
 260                         $ret[] = $rr['contact-id'];
 261         return $ret;
 262 }
 263
 264
 265 function member_of($c) {
 266
 267         $r = q("SELECT `group`.`name`, `group`.`id` FROM `group` LEFT JOIN `group_member` ON `group_member`.`gid` = `group`.`id` WHERE `group_member`.`contact-id` = %d AND `group`.`deleted` = 0 ORDER BY `group`.`name`  ASC ",
 268                 intval($c)
 269         );
 270
 271         return $r;
 272
 273 }
 274
 275 function groups_containing($uid,$c) {
 276
 277         $r = q("SELECT `gid` FROM `group_member` WHERE `uid` = %d AND `group_member`.`contact-id` = %d ",
 278                 intval($uid),
 279                 intval($c)
 280         );
 281
 282         $ret = array();
 283         if(count($r)) {
 284                 foreach($r as $rr)
 285                         $ret[] = $rr['gid'];
 286         }
 287
 288         return $ret;
 289 }