gnu-social/classes/Group_member.php

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<?php
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
defined('GNUSOCIAL') || die();
/**
* Table Definition for group_member
*/
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class Group_member extends Managed_DataObject
{
###START_AUTOCODE
/* the code below is auto generated do not remove the above tag */
public $__table = 'group_member'; // table name
public $group_id; // int(4) primary_key not_null
public $profile_id; // int(4) primary_key not_null
public $is_admin; // bool default_false
public $uri; // varchar(191) not 255 because utf8mb4 takes more space
public $created; // datetime()
public $modified; // timestamp() not_null default_CURRENT_TIMESTAMP
/* the code above is auto generated do not remove the tag below */
###END_AUTOCODE
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public static function schemaDef()
{
return array(
'fields' => array(
'group_id' => array('type' => 'int', 'not null' => true, 'description' => 'foreign key to user_group'),
'profile_id' => array('type' => 'int', 'not null' => true, 'description' => 'foreign key to profile table'),
'is_admin' => array('type' => 'bool', 'default' => false, 'description' => 'is this user an admin?'),
'uri' => array('type' => 'varchar', 'length' => 191, 'description' => 'universal identifier'),
'created' => array('type' => 'datetime', 'description' => 'date this record was created'),
'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
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),
'primary key' => array('group_id', 'profile_id'),
'unique keys' => array(
'group_member_uri_key' => array('uri'),
),
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'foreign keys' => array(
'group_member_group_id_fkey' => array('user_group', array('group_id' => 'id')),
'group_member_profile_id_fkey' => array('profile', array('profile_id' => 'id')),
),
'indexes' => array(
// @fixme probably we want a (profile_id, created) index here?
'group_member_profile_id_idx' => array('profile_id'),
'group_member_created_idx' => array('created'),
'group_member_profile_id_created_idx' => array('profile_id', 'created'),
'group_member_group_id_created_idx' => array('group_id', 'created'),
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),
);
}
/**
* Method to add a user to a group.
* In most cases, you should call Profile->joinGroup() instead.
*
* @param integer $group_id Group to add to
* @param integer $profile_id Profile being added
*
* @return Group_member new membership object
*/
public static function join($group_id, $profile_id)
{
$member = new Group_member();
$member->group_id = $group_id;
$member->profile_id = $profile_id;
$member->created = common_sql_now();
$member->uri = self::newUri(
Profile::getByID($profile_id),
User_group::getByID($group_id),
$member->created
);
$result = $member->insert();
if (!$result) {
common_log_db_error($member, 'INSERT', __FILE__);
// TRANS: Exception thrown when joining a group fails.
throw new Exception(_("Group join failed."));
}
return $member;
}
public static function leave($group_id, $profile_id)
{
$member = Group_member::pkeyGet(array('group_id' => $group_id,
'profile_id' => $profile_id));
if (empty($member)) {
// TRANS: Exception thrown when trying to leave a group the user is not a member of.
throw new Exception(_("Not part of group."));
}
$result = $member->delete();
if (!$result) {
common_log_db_error($member, 'INSERT', __FILE__);
// TRANS: Exception thrown when trying to leave a group fails.
throw new Exception(_("Group leave failed."));
}
return true;
}
public function getMember()
{
$member = Profile::getKV('id', $this->profile_id);
if (empty($member)) {
// TRANS: Exception thrown providing an invalid profile ID.
// TRANS: %s is the invalid profile ID.
throw new Exception(sprintf(_("Profile ID %s is invalid."), $this->profile_id));
}
return $member;
}
public function getGroup()
{
$group = User_group::getKV('id', $this->group_id);
if (empty($group)) {
// TRANS: Exception thrown providing an invalid group ID.
// TRANS: %s is the invalid group ID.
throw new Exception(sprintf(_('Group ID %s is invalid.'), $this->group_id));
}
return $group;
}
/**
* Get stream of memberships by member
*
* @param integer $memberId profile ID of the member to fetch for
* @param integer $offset offset from start of stream to get
* @param integer $limit number of memberships to get
*
* @return Group_member stream of memberships, use fetch() to iterate
*/
public static function byMember($memberId, $offset = 0, $limit = GROUPS_PER_PAGE)
{
$membership = new Group_member();
$membership->profile_id = $memberId;
$membership->orderBy('created DESC');
$membership->limit($offset, $limit);
$membership->find();
return $membership;
}
public function asActivity()
{
$member = $this->getMember();
if (!$member) {
throw new Exception("No such member: " . $this->profile_id);
}
$group = $this->getGroup();
if (!$group) {
throw new Exception("No such group: " . $this->group_id);
}
$act = new Activity();
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$act->id = $this->getUri();
$act->actor = $member->asActivityObject();
$act->verb = ActivityVerb::JOIN;
$act->objects[] = ActivityObject::fromGroup($group);
$act->time = strtotime($this->created);
// TRANS: Activity title.
$act->title = _("Join");
// TRANS: Success message for subscribe to group attempt through OStatus.
// TRANS: %1$s is the member name, %2$s is the subscribed group's name.
$act->content = sprintf(
_('%1$s has joined group %2$s.'),
$member->getBestName(),
$group->getBestName()
);
$url = common_local_url(
'AtomPubShowMembership',
[
'profile' => $member->id,
'group' => $group->id,
]
);
$act->selfLink = $url;
$act->editLink = $url;
return $act;
}
/**
* Send notifications via email etc to group administrators about
* this exciting new membership!
*/
public function notify()
{
mail_notify_group_join($this->getGroup(), $this->getMember());
}
public function getUri()
{
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return $this->uri ?: self::newUri($this->getMember(), $this->getGroup()->getProfile(), $this->created);
}
}