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, $label = "") {
 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         if ($label == "")
 209                 $label = t('Default privacy group for new contacts');
 210
 211         $o = replace_macros(get_markup_template('group_selection.tpl'), array(
 212                 '$label' => $label,
 213                 '$groups' => $grps
 214         ));
 215         return $o;
 216 }
 217
 218
 219 /**
 220  * @brief Create group sidebar widget
 221  *
 222  * @param string $every
 223  * @param string $each
 224  * @param string $editmode
 225  *      'standard' => include link 'Edit groups'
 226  *      'extended' => include link 'Create new group'
 227  *      'full' => include link 'Create new group' and provide for each group a link to edit this group
 228  * @param int $group_id
 229  * @param int $cid
 230  * @return string
 231  */
 232 function group_side($every="contacts",$each="group",$editmode = "standard", $group_id = 0, $cid = 0) {
 233
 234         $o = '';
 235
 236         if(! local_user())
 237                 return '';
 238
 239         $groups = array();
 240
 241         $groups[] = array(
 242                 'text'  => t('Everybody'),
 243                 'id' => 0,
 244                 'selected' => (($group_id == 0) ? 'group-selected' : ''),
 245                 'href'  => $every,
 246         );
 247
 248
 249
 250         $r = q("SELECT * FROM `group` WHERE `deleted` = 0 AND `uid` = %d ORDER BY `name` ASC",
 251                 intval($_SESSION['uid'])
 252         );
 253         $member_of = array();
 254         if($cid) {
 255                 $member_of = groups_containing(local_user(),$cid);
 256         }
 257
 258         if(count($r)) {
 259                 foreach($r as $rr) {
 260                         $selected = (($group_id == $rr['id']) ? ' group-selected' : '');
 261
 262                         if ($editmode == "full") {
 263                                 $groupedit = array(
 264                                         'href' => "group/".$rr['id'],
 265                                         'title' => t('edit'),
 266                                 );
 267                         } else {
 268                                 $groupedit = null;
 269                         }
 270
 271                         $groups[] = array(
 272                                 'id'            => $rr['id'],
 273                                 'cid'           => $cid,
 274                                 'text'          => $rr['name'],
 275                                 'selected'      => $selected,
 276                                 'href'          => $each."/".$rr['id'],
 277                                 'edit'          => $groupedit,
 278                                 'ismember'      => in_array($rr['id'],$member_of),
 279                         );
 280                 }
 281         }
 282
 283
 284         $tpl = get_markup_template("group_side.tpl");
 285         $o = replace_macros($tpl, array(
 286                 '$title'        => t('Groups'),
 287                 'newgroup'      => (($editmode == "extended") || ($editmode == "full") ? 1 : ''),
 288                 '$editgroupstext' => t('Edit groups'),
 289                 'grouppage'     => "group/",
 290                 '$edittext'     => t('Edit group'),
 291                 '$createtext'   => t('Create a new group'),
 292                 '$creategroup'  => t('Group Name: '),
 293                 '$form_security_token' => get_form_security_token("group_edit"),
 294                 '$ungrouped'    => (($every === 'contacts') ? t('Contacts not in any group') : ''),
 295                 '$groups'       => $groups,
 296                 '$add'          => t('add'),
 297         ));
 298
 299
 300         return $o;
 301 }
 302
 303 function expand_groups($a,$check_dead = false, $use_gcontact = false) {
 304         if(! (is_array($a) && count($a)))
 305                 return array();
 306         $groups = implode(',', $a);
 307         $groups = dbesc($groups);
 308
 309         if ($use_gcontact)
 310                 $r = q("SELECT `gcontact`.`id` AS `contact-id` FROM `group_member`
 311                                 INNER JOIN `contact` ON `contact`.`id` = `group_member`.`contact-id`
 312                                 INNER JOIN `gcontact` ON `gcontact`.`nurl` = `contact`.`nurl`
 313                         WHERE `gid` IN ($groups)");
 314         else
 315                 $r = q("SELECT `contact-id` FROM `group_member` WHERE `gid` IN ( $groups )");
 316
 317
 318         $ret = array();
 319         if(count($r))
 320                 foreach($r as $rr)
 321                         $ret[] = $rr['contact-id'];
 322         if($check_dead AND !$use_gcontact) {
 323                 require_once('include/acl_selectors.php');
 324                 $ret = prune_deadguys($ret);
 325         }
 326         return $ret;
 327 }
 328
 329
 330 function member_of($c) {
 331
 332         $r = q("SELECT `group`.`name`, `group`.`id` FROM `group` INNER JOIN `group_member` ON `group_member`.`gid` = `group`.`id` WHERE `group_member`.`contact-id` = %d AND `group`.`deleted` = 0 ORDER BY `group`.`name`  ASC ",
 333                 intval($c)
 334         );
 335
 336         return $r;
 337
 338 }
 339
 340 function groups_containing($uid,$c) {
 341
 342         $r = q("SELECT `gid` FROM `group_member` WHERE `uid` = %d AND `group_member`.`contact-id` = %d ",
 343                 intval($uid),
 344                 intval($c)
 345         );
 346
 347         $ret = array();
 348         if(count($r)) {
 349                 foreach($r as $rr)
 350                         $ret[] = $rr['gid'];
 351         }
 352
 353         return $ret;
 354 }
 355 /**
 356  * @brief count unread group items
 357  *
 358  * Count unread items of each groups
 359  *
 360  * @return array
 361  *      'id' => group id
 362  *      'name' => group name
 363  *      'count' => counted unseen group items
 364  *
 365  */
 366 function groups_count_unseen() {
 367
 368         $r = q("SELECT `group`.`id`, `group`.`name`,
 369                         (SELECT COUNT(*) FROM `item`
 370                                 WHERE `uid` = %d AND `unseen` AND
 371                                         `contact-id` IN (SELECT `contact-id` FROM `group_member`
 372                                                                 WHERE `group_member`.`gid` = `group`.`id` AND `group_member`.`uid` = %d)) AS `count`
 373                         FROM `group` WHERE `group`.`uid` = %d;",
 374                 intval(local_user()),
 375                 intval(local_user()),
 376                 intval(local_user())
 377         );
 378
 379         return $r;
 380 }
 381
 382 /**
 383  * @brief Returns the default group for a given user and network
 384  *
 385  * @param int $uid User id
 386  * @param string $network network name
 387  *
 388  * @return int group id
 389  */
 390 function get_default_group($uid, $network = "") {
 391
 392         $default_group = 0;
 393
 394         if ($network == NETWORK_OSTATUS)
 395                 $default_group = get_pconfig($uid, "ostatus", "default_group");
 396
 397         if ($default_group != 0)
 398                 return $default_group;
 399
 400         $g = q("SELECT `def_gid` FROM `user` WHERE `uid` = %d LIMIT 1", intval($uid));
 401         if($g && intval($g[0]["def_gid"]))
 402                 $default_group = $g[0]["def_gid"];
 403
 404         return $default_group;
 405 }