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                 $r = q("SELECT `group_member`.`contact-id`, `contact`.* FROM `group_member`
 160                         INNER JOIN `contact` ON `contact`.`id` = `group_member`.`contact-id`
 161                         WHERE `gid` = %d AND `group_member`.`uid` = %d ORDER BY `contact`.`name` ASC ",
 162                         intval($gid),
 163                         intval(local_user())
 164                 );
 165                 if(count($r))
 166                         $ret = $r;
 167         }
 168         return $ret;
 169 }
 170
 171 function group_public_members($gid) {
 172         $ret = 0;
 173         if(intval($gid)) {
 174                 $r = q("SELECT `contact`.`id` AS `contact-id` FROM `group_member`
 175                         INNER JOIN `contact` ON `contact`.`id` = `group_member`.`contact-id`
 176                         WHERE `gid` = %d AND `group_member`.`uid` = %d
 177                         AND  `contact`.`network` = '%s' AND `contact`.`notify` != '' ",
 178                         intval($gid),
 179                         intval(local_user()),
 180                         dbesc(NETWORK_OSTATUS)
 181                 );
 182                 if(count($r))
 183                         $ret = count($r);
 184         }
 185         return $ret;
 186 }
 187
 188
 189 function mini_group_select($uid,$gid = 0) {
 190
 191         $grps = array();
 192         $o = '';
 193
 194         $r = q("SELECT * FROM `group` WHERE `deleted` = 0 AND `uid` = %d ORDER BY `name` ASC",
 195                 intval($uid)
 196         );
 197         $grps[] = array('name' => '', 'id' => '0', 'selected' => '');
 198         if(count($r)) {
 199                 foreach($r as $rr) {
 200                         $grps[] = array('name' => $rr['name'], 'id' => $rr['id'], 'selected' => (($gid == $rr['id']) ? 'true' : ''));
 201                 }
 202
 203         }
 204         logger('groups: ' . print_r($grps,true));
 205
 206         $o = replace_macros(get_markup_template('group_selection.tpl'), array(
 207                 '$label' => t('Default privacy group for new contacts'),
 208                 '$groups' => $grps
 209         ));
 210         return $o;
 211 }
 212
 213
 214
 215
 216 function group_side($every="contacts",$each="group",$edit = false, $group_id = 0, $cid = 0) {
 217
 218         $o = '';
 219
 220         if(! local_user())
 221                 return '';
 222
 223         $groups = array();
 224
 225         $groups[] = array(
 226                 'text'  => t('Everybody'),
 227                 'id' => 0,
 228                 'selected' => (($group_id == 0) ? 'group-selected' : ''),
 229                 'href'  => $every,
 230         );
 231
 232
 233
 234         $r = q("SELECT * FROM `group` WHERE `deleted` = 0 AND `uid` = %d ORDER BY `name` ASC",
 235                 intval($_SESSION['uid'])
 236         );
 237         $member_of = array();
 238         if($cid) {
 239                 $member_of = groups_containing(local_user(),$cid);
 240         }
 241
 242         if(count($r)) {
 243                 foreach($r as $rr) {
 244                         $selected = (($group_id == $rr['id']) ? ' group-selected' : '');
 245
 246                         if ($edit) {
 247                                 $groupedit = array(
 248                                         'href' => "group/".$rr['id'],
 249                                         'title' => t('edit'),
 250                                 );
 251                         } else {
 252                                 $groupedit = null;
 253                         }
 254
 255                         $groups[] = array(
 256                                 'id'            => $rr['id'],
 257                                 'cid'           => $cid,
 258                                 'text'          => $rr['name'],
 259                                 'selected'      => $selected,
 260                                 'href'          => $each."/".$rr['id'],
 261                                 'edit'          => $groupedit,
 262                                 'ismember'      => in_array($rr['id'],$member_of),
 263                         );
 264                 }
 265         }
 266
 267
 268         $tpl = get_markup_template("group_side.tpl");
 269         $o = replace_macros($tpl, array(
 270                 '$title'                => t('Groups'),
 271                 '$edittext'     => t('Edit group'),
 272                 '$createtext'   => t('Create a new group'),
 273     '$creategroup' => t('Group Name: '),
 274     '$form_security_token' => get_form_security_token("group_edit"),
 275                 '$ungrouped'    => (($every === 'contacts') ? t('Contacts not in any group') : ''),
 276                 '$groups'               => $groups,
 277                 '$add'                  => t('add'),
 278         ));
 279
 280
 281         return $o;
 282 }
 283
 284 function expand_groups($a,$check_dead = false) {
 285         if(! (is_array($a) && count($a)))
 286                 return array();
 287         $groups = implode(',', $a);
 288         $groups = dbesc($groups);
 289         $r = q("SELECT `contact-id` FROM `group_member` WHERE `gid` IN ( $groups )");
 290         $ret = array();
 291         if(count($r))
 292                 foreach($r as $rr)
 293                         $ret[] = $rr['contact-id'];
 294         if($check_dead) {
 295                 require_once('include/acl_selectors.php');
 296                 $ret = prune_deadguys($ret);
 297         }
 298         return $ret;
 299 }
 300
 301
 302 function member_of($c) {
 303
 304         $r = q("SELECT `group`.`name`, `group`.`id` FROM `group` INNER JOIN `group_member` ON `group_member`.`gid` = `group`.`id` WHERE `group_member`.`contact-id` = %d AND `group`.`deleted` = 0 ORDER BY `group`.`name`  ASC ",
 305                 intval($c)
 306         );
 307
 308         return $r;
 309
 310 }
 311
 312 function groups_containing($uid,$c) {
 313
 314         $r = q("SELECT `gid` FROM `group_member` WHERE `uid` = %d AND `group_member`.`contact-id` = %d ",
 315                 intval($uid),
 316                 intval($c)
 317         );
 318
 319         $ret = array();
 320         if(count($r)) {
 321                 foreach($r as $rr)
 322                         $ret[] = $rr['gid'];
 323         }
 324
 325         return $ret;
 326 }