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                                 $r = q("UPDATE `group` SET `deleted` = 0 WHERE `uid` = %d AND `name` = '%s'",
  22                                         intval($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                 $r = q("SELECT id FROM `group` WHERE `uid` = %d AND `name` = '%s' LIMIT 1",
  44                         intval($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 group from default posting lists
  53                 $r = q("SELECT def_gid, allow_gid, deny_gid FROM user WHERE uid = %d LIMIT 1",
  54                        intval($uid)
  55                 );
  56                 if($r) {
  57                         $user_info = $r[0];
  58                         $change = false;
  59
  60                         if($user_info['def_gid'] == $group_id) {
  61                                 $user_info['def_gid'] = 0;
  62                                 $change = true;
  63                         }
  64                         if(strpos($user_info['allow_gid'], '<' . $group_id . '>') !== false) {
  65                                 $user_info['allow_gid'] = str_replace('<' . $group_id . '>', '', $user_info['allow_gid']);
  66                                 $change = true;
  67                         }
  68                         if(strpos($user_info['deny_gid'], '<' . $group_id . '>') !== false) {
  69                                 $user_info['deny_gid'] = str_replace('<' . $group_id . '>', '', $user_info['deny_gid']);
  70                                 $change = true;
  71                         }
  72
  73                         if($change) {
  74                                 q("UPDATE user SET def_gid = %d, allow_gid = '%s', deny_gid = '%s' WHERE uid = %d",
  75                                   intval($user_info['def_gid']),
  76                                   dbesc($user_info['allow_gid']),
  77                                   dbesc($user_info['deny_gid']),
  78                                   intval($uid)
  79                                 );
  80                         }
  81                 }
  82
  83                 // remove all members
  84                 $r = q("DELETE FROM `group_member` WHERE `uid` = %d AND `gid` = %d ",
  85                         intval($uid),
  86                         intval($group_id)
  87                 );
  88
  89                 // remove group
  90                 $r = q("UPDATE `group` SET `deleted` = 1 WHERE `uid` = %d AND `name` = '%s'",
  91                         intval($uid),
  92                         dbesc($name)
  93                 );
  94
  95                 $ret = $r;
  96
  97         }
  98
  99         return $ret;
 100 }
 101
 102 function group_byname($uid,$name) {
 103         if((! $uid) || (! strlen($name)))
 104                 return false;
 105         $r = q("SELECT * FROM `group` WHERE `uid` = %d AND `name` = '%s' LIMIT 1",
 106                 intval($uid),
 107                 dbesc($name)
 108         );
 109         if(count($r))
 110                 return $r[0]['id'];
 111         return false;
 112 }
 113
 114 function group_rmv_member($uid,$name,$member) {
 115         $gid = group_byname($uid,$name);
 116         if(! $gid)
 117                 return false;
 118         if(! ( $uid && $gid && $member))
 119                 return false;
 120         $r = q("DELETE FROM `group_member` WHERE `uid` = %d AND `gid` = %d AND `contact-id` = %d",
 121                 intval($uid),
 122                 intval($gid),
 123                 intval($member)
 124         );
 125         return $r;
 126
 127
 128 }
 129
 130
 131 function group_add_member($uid,$name,$member,$gid = 0) {
 132         if(! $gid)
 133                 $gid = group_byname($uid,$name);
 134         if((! $gid) || (! $uid) || (! $member))
 135                 return false;
 136
 137         $r = q("SELECT * FROM `group_member` WHERE `uid` = %d AND `gid` = %d AND `contact-id` = %d LIMIT 1",
 138                 intval($uid),
 139                 intval($gid),
 140                 intval($member)
 141         );
 142         if(count($r))
 143                 return true;    // You might question this, but
 144                                 // we indicate success because the group member was in fact created
 145                                 // -- It was just created at another time
 146         if(! count($r))
 147                 $r = q("INSERT INTO `group_member` (`uid`, `gid`, `contact-id`)
 148                         VALUES( %d, %d, %d ) ",
 149                         intval($uid),
 150                         intval($gid),
 151                         intval($member)
 152         );
 153         return $r;
 154 }
 155
 156 function group_get_members($gid) {
 157         $ret = array();
 158         if(intval($gid)) {
 159                 $r = q("SELECT `group_member`.`contact-id`, `contact`.* FROM `group_member`
 160                         INNER JOIN `contact` ON `contact`.`id` = `group_member`.`contact-id`
 161                         WHERE `gid` = %d AND `group_member`.`uid` = %d AND
 162                                 NOT `contact`.`self` AND NOT `contact`.`blocked` AND NOT `contact`.`pending`
 163                                 ORDER BY `contact`.`name` ASC ",
 164                         intval($gid),
 165                         intval(local_user())
 166                 );
 167                 if(count($r))
 168                         $ret = $r;
 169         }
 170         return $ret;
 171 }
 172
 173 function group_public_members($gid) {
 174         $ret = 0;
 175         if(intval($gid)) {
 176                 $r = q("SELECT `contact`.`id` AS `contact-id` FROM `group_member`
 177                         INNER JOIN `contact` ON `contact`.`id` = `group_member`.`contact-id`
 178                         WHERE `gid` = %d AND `group_member`.`uid` = %d
 179                         AND  `contact`.`network` = '%s' AND `contact`.`notify` != '' ",
 180                         intval($gid),
 181                         intval(local_user()),
 182                         dbesc(NETWORK_OSTATUS)
 183                 );
 184                 if(count($r))
 185                         $ret = count($r);
 186         }
 187         return $ret;
 188 }
 189
 190
 191 function mini_group_select($uid,$gid = 0) {
 192
 193         $grps = array();
 194         $o = '';
 195
 196         $r = q("SELECT * FROM `group` WHERE `deleted` = 0 AND `uid` = %d ORDER BY `name` ASC",
 197                 intval($uid)
 198         );
 199         $grps[] = array('name' => '', 'id' => '0', 'selected' => '');
 200         if(count($r)) {
 201                 foreach($r as $rr) {
 202                         $grps[] = array('name' => $rr['name'], 'id' => $rr['id'], 'selected' => (($gid == $rr['id']) ? 'true' : ''));
 203                 }
 204
 205         }
 206         logger('groups: ' . print_r($grps,true));
 207
 208         $o = replace_macros(get_markup_template('group_selection.tpl'), array(
 209                 '$label' => t('Default privacy group for new contacts'),
 210                 '$groups' => $grps
 211         ));
 212         return $o;
 213 }
 214
 215
 216
 217
 218 function group_side($every="contacts",$each="group",$edit = false, $group_id = 0, $cid = 0) {
 219
 220         $o = '';
 221
 222         if(! local_user())
 223                 return '';
 224
 225         $groups = array();
 226
 227         $groups[] = array(
 228                 'text'  => t('Everybody'),
 229                 'id' => 0,
 230                 'selected' => (($group_id == 0) ? 'group-selected' : ''),
 231                 'href'  => $every,
 232         );
 233
 234
 235
 236         $r = q("SELECT * FROM `group` WHERE `deleted` = 0 AND `uid` = %d ORDER BY `name` ASC",
 237                 intval($_SESSION['uid'])
 238         );
 239         $member_of = array();
 240         if($cid) {
 241                 $member_of = groups_containing(local_user(),$cid);
 242         }
 243
 244         if(count($r)) {
 245                 foreach($r as $rr) {
 246                         $selected = (($group_id == $rr['id']) ? ' group-selected' : '');
 247
 248                         if ($edit) {
 249                                 $groupedit = array(
 250                                         'href' => "group/".$rr['id'],
 251                                         'title' => t('edit'),
 252                                 );
 253                         } else {
 254                                 $groupedit = null;
 255                         }
 256
 257                         $groups[] = array(
 258                                 'id'            => $rr['id'],
 259                                 'cid'           => $cid,
 260                                 'text'          => $rr['name'],
 261                                 'selected'      => $selected,
 262                                 'href'          => $each."/".$rr['id'],
 263                                 'edit'          => $groupedit,
 264                                 'ismember'      => in_array($rr['id'],$member_of),
 265                         );
 266                 }
 267         }
 268
 269
 270         $tpl = get_markup_template("group_side.tpl");
 271         $o = replace_macros($tpl, array(
 272                 '$title'                => t('Groups'),
 273                 '$edittext'     => t('Edit group'),
 274                 '$createtext'   => t('Create a new group'),
 275     '$creategroup' => t('Group Name: '),
 276     '$form_security_token' => get_form_security_token("group_edit"),
 277                 '$ungrouped'    => (($every === 'contacts') ? t('Contacts not in any group') : ''),
 278                 '$groups'               => $groups,
 279                 '$add'                  => t('add'),
 280         ));
 281
 282
 283         return $o;
 284 }
 285
 286 function expand_groups($a,$check_dead = false) {
 287         if(! (is_array($a) && count($a)))
 288                 return array();
 289         $groups = implode(',', $a);
 290         $groups = dbesc($groups);
 291         $r = q("SELECT `contact-id` FROM `group_member` WHERE `gid` IN ( $groups )");
 292         $ret = array();
 293         if(count($r))
 294                 foreach($r as $rr)
 295                         $ret[] = $rr['contact-id'];
 296         if($check_dead) {
 297                 require_once('include/acl_selectors.php');
 298                 $ret = prune_deadguys($ret);
 299         }
 300         return $ret;
 301 }
 302
 303
 304 function member_of($c) {
 305
 306         $r = q("SELECT `group`.`name`, `group`.`id` FROM `group` INNER JOIN `group_member` ON `group_member`.`gid` = `group`.`id` WHERE `group_member`.`contact-id` = %d AND `group`.`deleted` = 0 ORDER BY `group`.`name`  ASC ",
 307                 intval($c)
 308         );
 309
 310         return $r;
 311
 312 }
 313
 314 function groups_containing($uid,$c) {
 315
 316         $r = q("SELECT `gid` FROM `group_member` WHERE `uid` = %d AND `group_member`.`contact-id` = %d ",
 317                 intval($uid),
 318                 intval($c)
 319         );
 320
 321         $ret = array();
 322         if(count($r)) {
 323                 foreach($r as $rr)
 324                         $ret[] = $rr['gid'];
 325         }
 326
 327         return $ret;
 328 }