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| 1 | <?php |
| 2 | /** |
| 3 | * Represents the membership of a user to a user group. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 18 | * http://www.gnu.org/copyleft/gpl.html |
| 19 | * |
| 20 | * @file |
| 21 | */ |
| 22 | |
| 23 | namespace MediaWiki\User; |
| 24 | |
| 25 | use InvalidArgumentException; |
| 26 | use MediaWiki\Context\IContextSource; |
| 27 | use MediaWiki\MediaWikiServices; |
| 28 | use MediaWiki\Message\Message; |
| 29 | use MediaWiki\Title\Title; |
| 30 | |
| 31 | /** |
| 32 | * Represents a "user group membership" -- a specific instance of a user belonging |
| 33 | * to a group. For example, the fact that user Mary belongs to the sysop group is a |
| 34 | * user group membership. |
| 35 | * |
| 36 | * The class is a pure value object. Use UserGroupManager to modify user group memberships. |
| 37 | * |
| 38 | * @since 1.29 |
| 39 | */ |
| 40 | class UserGroupMembership { |
| 41 | |
| 42 | /** @var int The ID of the user who belongs to the group */ |
| 43 | private $userId; |
| 44 | |
| 45 | /** @var string */ |
| 46 | private $group; |
| 47 | |
| 48 | /** @var string|null Timestamp of expiry in TS_MW format, or null if no expiry */ |
| 49 | private $expiry; |
| 50 | |
| 51 | /** @var bool Expiration flag */ |
| 52 | private $expired; |
| 53 | |
| 54 | /** |
| 55 | * @param int $userId The ID of the user who belongs to the group |
| 56 | * @param string|null $group The internal group name |
| 57 | * @param string|null $expiry Timestamp of expiry in TS_MW format, or null if no expiry |
| 58 | */ |
| 59 | public function __construct( int $userId = 0, ?string $group = null, ?string $expiry = null ) { |
| 60 | $this->userId = $userId; |
| 61 | $this->group = $group; |
| 62 | $this->expiry = $expiry ?: null; |
| 63 | $this->expired = $expiry && wfTimestampNow() > $expiry; |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * @return int |
| 68 | */ |
| 69 | public function getUserId() { |
| 70 | return $this->userId; |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * @return string |
| 75 | */ |
| 76 | public function getGroup() { |
| 77 | return $this->group; |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * @return string|null Timestamp of expiry in TS_MW format, or null if no expiry |
| 82 | */ |
| 83 | public function getExpiry() { |
| 84 | return $this->expiry; |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Has the membership expired? |
| 89 | * |
| 90 | * @return bool |
| 91 | */ |
| 92 | public function isExpired() { |
| 93 | return $this->expired; |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Gets a link for a user group, possibly including the expiry date if relevant. |
| 98 | * |
| 99 | * @deprecated since 1.41 use getLinkWiki or getLinkHTML directly |
| 100 | * |
| 101 | * @param string|UserGroupMembership $ugm Either a group name as a string, or |
| 102 | * a UserGroupMembership object |
| 103 | * @param IContextSource $context |
| 104 | * @param string $format Either 'wiki' or 'html' |
| 105 | * @param string|null $userName If you want to use the group member message |
| 106 | * ("administrator"), pass the name of the user who belongs to the group; it |
| 107 | * is used for GENDER of the group member message. If you instead want the |
| 108 | * group name message ("Administrators"), omit this parameter. |
| 109 | * @return string |
| 110 | */ |
| 111 | public static function getLink( $ugm, IContextSource $context, string $format, $userName = null ) { |
| 112 | switch ( $format ) { |
| 113 | case 'wiki': |
| 114 | return self::getLinkWiki( $ugm, $context, $userName ); |
| 115 | case 'html': |
| 116 | return self::getLinkHTML( $ugm, $context, $userName ); |
| 117 | default: |
| 118 | throw new InvalidArgumentException( 'UserGroupMembership::getLink() $format parameter should be ' . |
| 119 | "'wiki' or 'html'" ); |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * Gets a link for a user group, possibly including the expiry date if relevant. |
| 125 | * @since 1.41 |
| 126 | * |
| 127 | * @param string|UserGroupMembership $ugm Either a group name as a string, or |
| 128 | * a UserGroupMembership object |
| 129 | * @param IContextSource $context |
| 130 | * @param string|null $userName If you want to use the group member message |
| 131 | * ("administrator"), pass the name of the user who belongs to the group; it |
| 132 | * is used for GENDER of the group member message. If you instead want the |
| 133 | * group name message ("Administrators"), omit this parameter. |
| 134 | * @return string |
| 135 | */ |
| 136 | public static function getLinkHTML( $ugm, IContextSource $context, $userName = null ): string { |
| 137 | [ |
| 138 | 'expiry' => $expiry, |
| 139 | 'linkTitle' => $linkTitle, |
| 140 | 'groupName' => $groupName |
| 141 | ] = self::getLinkInfo( $ugm, $context, $userName ); |
| 142 | |
| 143 | // link to the group description page, if it exists |
| 144 | $linkRenderer = MediaWikiServices::getInstance()->getLinkRenderer(); |
| 145 | if ( $linkTitle ) { |
| 146 | $groupLink = $linkRenderer->makeLink( $linkTitle, $groupName ); |
| 147 | } else { |
| 148 | $groupLink = htmlspecialchars( $groupName ); |
| 149 | } |
| 150 | |
| 151 | if ( $expiry ) { |
| 152 | [ |
| 153 | 'expiryDT' => $expiryDT, |
| 154 | 'expiryD' => $expiryD, |
| 155 | 'expiryT' => $expiryT |
| 156 | ] = self::getLinkExpiryParams( $context, $expiry ); |
| 157 | $groupLink = Message::rawParam( $groupLink ); |
| 158 | return $context->msg( 'group-membership-link-with-expiry' ) |
| 159 | ->params( $groupLink, $expiryDT, $expiryD, $expiryT )->escaped(); |
| 160 | } |
| 161 | return $groupLink; |
| 162 | } |
| 163 | |
| 164 | /** |
| 165 | * Gets a link for a user group, possibly including the expiry date if relevant. |
| 166 | * @since 1.41 |
| 167 | * |
| 168 | * @param string|UserGroupMembership $ugm Either a group name as a string, or |
| 169 | * a UserGroupMembership object |
| 170 | * @param IContextSource $context |
| 171 | * @param string|null $userName If you want to use the group member message |
| 172 | * ("administrator"), pass the name of the user who belongs to the group; it |
| 173 | * is used for GENDER of the group member message. If you instead want the |
| 174 | * group name message ("Administrators"), omit this parameter. |
| 175 | * @return string |
| 176 | */ |
| 177 | public static function getLinkWiki( $ugm, IContextSource $context, $userName = null ): string { |
| 178 | [ |
| 179 | 'expiry' => $expiry, |
| 180 | 'linkTitle' => $linkTitle, |
| 181 | 'groupName' => $groupName |
| 182 | ] = self::getLinkInfo( $ugm, $context, $userName ); |
| 183 | |
| 184 | // link to the group description page, if it exists |
| 185 | if ( $linkTitle ) { |
| 186 | $linkPage = $linkTitle->getFullText(); |
| 187 | $groupLink = "[[$linkPage|$groupName]]"; |
| 188 | } else { |
| 189 | $groupLink = $groupName; |
| 190 | } |
| 191 | |
| 192 | if ( $expiry ) { |
| 193 | [ |
| 194 | 'expiryDT' => $expiryDT, |
| 195 | 'expiryD' => $expiryD, |
| 196 | 'expiryT' => $expiryT |
| 197 | ] = self::getLinkExpiryParams( $context, $expiry ); |
| 198 | return $context->msg( 'group-membership-link-with-expiry' ) |
| 199 | ->params( $groupLink, $expiryDT, $expiryD, $expiryT )->text(); |
| 200 | } |
| 201 | return $groupLink; |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * @param self|string $ugm |
| 206 | * @param IContextSource $context |
| 207 | * @param string|null $userName |
| 208 | * @return array |
| 209 | */ |
| 210 | private static function getLinkInfo( $ugm, $context, $userName = null ): array { |
| 211 | if ( $ugm instanceof UserGroupMembership ) { |
| 212 | $expiry = $ugm->getExpiry(); |
| 213 | $group = $ugm->getGroup(); |
| 214 | } else { |
| 215 | $expiry = null; |
| 216 | $group = $ugm; |
| 217 | } |
| 218 | |
| 219 | $uiLanguage = $context->getLanguage(); |
| 220 | if ( $userName !== null ) { |
| 221 | $groupName = $uiLanguage->getGroupMemberName( $group, $userName ); |
| 222 | } else { |
| 223 | $groupName = $uiLanguage->getGroupName( $group ); |
| 224 | } |
| 225 | $linkTitle = self::getGroupPage( $group ); |
| 226 | return [ 'expiry' => $expiry, 'linkTitle' => $linkTitle, 'groupName' => $groupName ]; |
| 227 | } |
| 228 | |
| 229 | /** |
| 230 | * @param IContextSource $context |
| 231 | * @param string $expiry |
| 232 | * @return array |
| 233 | */ |
| 234 | private static function getLinkExpiryParams( IContextSource $context, string $expiry ): array { |
| 235 | // format the expiry to a nice string |
| 236 | $uiLanguage = $context->getLanguage(); |
| 237 | $uiUser = $context->getUser(); |
| 238 | $expiryDT = $uiLanguage->userTimeAndDate( $expiry, $uiUser ); |
| 239 | $expiryD = $uiLanguage->userDate( $expiry, $uiUser ); |
| 240 | $expiryT = $uiLanguage->userTime( $expiry, $uiUser ); |
| 241 | return [ 'expiryDT' => $expiryDT, 'expiryD' => $expiryD, 'expiryT' => $expiryT ]; |
| 242 | } |
| 243 | |
| 244 | /** |
| 245 | * Gets the title of a page describing a particular user group. When the name |
| 246 | * of the group appears in the UI, it can link to this page. |
| 247 | * |
| 248 | * @param string $group Internal group name |
| 249 | * @return Title|false Title of the page if it exists, false otherwise |
| 250 | */ |
| 251 | public static function getGroupPage( $group ) { |
| 252 | $msg = wfMessage( "grouppage-$group" )->inContentLanguage(); |
| 253 | if ( $msg->exists() ) { |
| 254 | $title = Title::newFromText( $msg->text() ); |
| 255 | if ( is_object( $title ) ) { |
| 256 | return $title; |
| 257 | } |
| 258 | } |
| 259 | return false; |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * Compares two pure value objects |
| 264 | * |
| 265 | * @param UserGroupMembership $ugm |
| 266 | * @return bool |
| 267 | * |
| 268 | * @since 1.35 |
| 269 | */ |
| 270 | public function equals( UserGroupMembership $ugm ) { |
| 271 | return ( |
| 272 | $ugm->getUserId() === $this->userId |
| 273 | && $ugm->getGroup() === $this->group |
| 274 | ); |
| 275 | } |
| 276 | |
| 277 | } |
| 278 | |
| 279 | /** @deprecated class alias since 1.41 */ |
| 280 | class_alias( UserGroupMembership::class, 'UserGroupMembership' ); |