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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | */ |
| 20 | |
| 21 | namespace MediaWiki\User; |
| 22 | |
| 23 | use Iterator; |
| 24 | use MediaWiki\Block\HideUserUtils; |
| 25 | use MediaWiki\User\TempUser\TempUserConfig; |
| 26 | use Wikimedia\Assert\Assert; |
| 27 | use Wikimedia\Assert\PreconditionException; |
| 28 | use Wikimedia\Rdbms\IExpression; |
| 29 | use Wikimedia\Rdbms\IReadableDatabase; |
| 30 | use Wikimedia\Rdbms\LikeValue; |
| 31 | use Wikimedia\Rdbms\SelectQueryBuilder; |
| 32 | |
| 33 | class UserSelectQueryBuilder extends SelectQueryBuilder { |
| 34 | |
| 35 | /** @var ActorStore */ |
| 36 | private $actorStore; |
| 37 | private TempUserConfig $tempUserConfig; |
| 38 | private HideUserUtils $hideUserUtils; |
| 39 | |
| 40 | private bool $userJoined = false; |
| 41 | |
| 42 | /** |
| 43 | * @internal |
| 44 | * @param IReadableDatabase $db |
| 45 | * @param ActorStore $actorStore |
| 46 | * @param TempUserConfig $tempUserConfig |
| 47 | */ |
| 48 | public function __construct( |
| 49 | IReadableDatabase $db, |
| 50 | ActorStore $actorStore, |
| 51 | TempUserConfig $tempUserConfig, |
| 52 | HideUserUtils $hideUserUtils |
| 53 | ) { |
| 54 | parent::__construct( $db ); |
| 55 | |
| 56 | $this->actorStore = $actorStore; |
| 57 | $this->tempUserConfig = $tempUserConfig; |
| 58 | $this->hideUserUtils = $hideUserUtils; |
| 59 | $this->table( 'actor' ); |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * Find by provided user ids. |
| 64 | * |
| 65 | * @param int|int[] $userIds |
| 66 | * @return UserSelectQueryBuilder |
| 67 | */ |
| 68 | public function whereUserIds( $userIds ): self { |
| 69 | Assert::parameterType( [ 'integer', 'array' ], $userIds, '$userIds' ); |
| 70 | $this->conds( [ 'actor_user' => $userIds ] ); |
| 71 | return $this; |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Find by provided user ids. |
| 76 | * @deprecated since 1.37, use whereUserIds instead |
| 77 | * @param int|int[] $userIds |
| 78 | * @return UserSelectQueryBuilder |
| 79 | */ |
| 80 | public function userIds( $userIds ): self { |
| 81 | return $this->whereUserIds( $userIds ); |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * Find by provided user names. |
| 86 | * |
| 87 | * @param string|string[] $userNames |
| 88 | * @return UserSelectQueryBuilder |
| 89 | */ |
| 90 | public function whereUserNames( $userNames ): self { |
| 91 | Assert::parameterType( [ 'string', 'array' ], $userNames, '$userIds' ); |
| 92 | $userNames = array_map( function ( $name ) { |
| 93 | return $this->actorStore->normalizeUserName( (string)$name ); |
| 94 | }, (array)$userNames ); |
| 95 | $this->conds( [ 'actor_name' => $userNames ] ); |
| 96 | return $this; |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Find by provided user names. |
| 101 | * @deprecated since 1.37, use whereUserNames instead |
| 102 | * @param string|string[] $userNames |
| 103 | * @return UserSelectQueryBuilder |
| 104 | */ |
| 105 | public function userNames( $userNames ): self { |
| 106 | return $this->whereUserNames( $userNames ); |
| 107 | } |
| 108 | |
| 109 | /** |
| 110 | * Find users with names starting from the provided prefix. |
| 111 | * |
| 112 | * @note this could produce a huge number of results, like User00000 ... User99999, |
| 113 | * so you must set a limit when using this condition. |
| 114 | * |
| 115 | * @param string $prefix |
| 116 | * @return UserSelectQueryBuilder |
| 117 | */ |
| 118 | public function whereUserNamePrefix( string $prefix ): self { |
| 119 | if ( !isset( $this->options['LIMIT'] ) ) { |
| 120 | throw new PreconditionException( 'Must set a limit when using a user name prefix' ); |
| 121 | } |
| 122 | $this->conds( |
| 123 | $this->db->expr( 'actor_name', IExpression::LIKE, new LikeValue( $prefix, $this->db->anyString() ) ) |
| 124 | ); |
| 125 | return $this; |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Find users with names starting from the provided prefix. |
| 130 | * |
| 131 | * @note this could produce a huge number of results, like User00000 ... User99999, |
| 132 | * so you must set a limit when using this condition. |
| 133 | * @deprecated since 1.37 use whereUserNamePrefix instead |
| 134 | * @param string $prefix |
| 135 | * @return UserSelectQueryBuilder |
| 136 | */ |
| 137 | public function userNamePrefix( string $prefix ): self { |
| 138 | return $this->whereUserNamePrefix( $prefix ); |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Find registered users who registered |
| 143 | * |
| 144 | * @param string $timestamp |
| 145 | * @param bool $direction Direction flag (if true, user_registration must be before $timestamp) |
| 146 | * @since 1.42 |
| 147 | * @return UserSelectQueryBuilder |
| 148 | */ |
| 149 | public function whereRegisteredTimestamp( string $timestamp, bool $direction ): self { |
| 150 | if ( !$this->userJoined ) { |
| 151 | $this->join( 'user', null, [ "actor_user=user_id" ] ); |
| 152 | $this->userJoined = true; |
| 153 | } |
| 154 | |
| 155 | $this->conds( |
| 156 | $this->db->expr( 'user_registration', ( $direction ? '<' : '>' ), $this->db->timestamp( $timestamp ) ) |
| 157 | ); |
| 158 | return $this; |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * Order results by name in $direction |
| 163 | * |
| 164 | * @param string $dir one of self::SORT_ASC or self::SORT_DESC |
| 165 | * @return UserSelectQueryBuilder |
| 166 | */ |
| 167 | public function orderByName( string $dir = self::SORT_ASC ): self { |
| 168 | $this->orderBy( 'actor_name', $dir ); |
| 169 | return $this; |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * Order results by user id. |
| 174 | * |
| 175 | * @param string $dir one of self::SORT_ASC or self::SORT_DESC |
| 176 | * @return UserSelectQueryBuilder |
| 177 | */ |
| 178 | public function orderByUserId( string $dir = self::SORT_ASC ): self { |
| 179 | $this->orderBy( 'actor_user', $dir ); |
| 180 | return $this; |
| 181 | } |
| 182 | |
| 183 | /** |
| 184 | * Only return registered users. |
| 185 | * |
| 186 | * @return UserSelectQueryBuilder |
| 187 | */ |
| 188 | public function registered(): self { |
| 189 | $this->conds( $this->db->expr( 'actor_user', '!=', null ) ); |
| 190 | return $this; |
| 191 | } |
| 192 | |
| 193 | /** |
| 194 | * Only return anonymous users. |
| 195 | * |
| 196 | * @return UserSelectQueryBuilder |
| 197 | */ |
| 198 | public function anon(): self { |
| 199 | $this->conds( [ 'actor_user' => null ] ); |
| 200 | return $this; |
| 201 | } |
| 202 | |
| 203 | /** |
| 204 | * Only return named users. |
| 205 | * |
| 206 | * @return UserSelectQueryBuilder |
| 207 | */ |
| 208 | public function named(): self { |
| 209 | if ( !$this->tempUserConfig->isKnown() ) { |
| 210 | // nothing to do: getMatchCondition throws if temp accounts aren't known |
| 211 | return $this; |
| 212 | } |
| 213 | $this->conds( $this->tempUserConfig->getMatchCondition( $this->db, 'actor_name', IExpression::NOT_LIKE ) ); |
| 214 | return $this; |
| 215 | } |
| 216 | |
| 217 | /** |
| 218 | * Only return temp users |
| 219 | * |
| 220 | * @return UserSelectQueryBuilder |
| 221 | */ |
| 222 | public function temp(): self { |
| 223 | if ( !$this->tempUserConfig->isKnown() ) { |
| 224 | // nothing to do: getMatchCondition throws if temp accounts aren't known |
| 225 | return $this; |
| 226 | } |
| 227 | $this->conds( $this->tempUserConfig->getMatchCondition( $this->db, 'actor_name', IExpression::LIKE ) ); |
| 228 | return $this; |
| 229 | } |
| 230 | |
| 231 | /** |
| 232 | * Filter based on user hidden status |
| 233 | * |
| 234 | * @since 1.38 |
| 235 | * @param bool $hidden True - only hidden users, false - no hidden users |
| 236 | * @return $this |
| 237 | */ |
| 238 | public function hidden( bool $hidden ): self { |
| 239 | $this->conds( $this->hideUserUtils->getExpression( |
| 240 | $this->db, |
| 241 | 'actor_user', |
| 242 | $hidden ? HideUserUtils::HIDDEN_USERS : HideUserUtils::SHOWN_USERS |
| 243 | ) ); |
| 244 | return $this; |
| 245 | } |
| 246 | |
| 247 | /** |
| 248 | * Fetch a single UserIdentity that matches specified criteria. |
| 249 | * |
| 250 | * @return UserIdentity|null |
| 251 | */ |
| 252 | public function fetchUserIdentity(): ?UserIdentity { |
| 253 | $this->fields( [ 'actor_id', 'actor_name', 'actor_user' ] ); |
| 254 | $row = $this->fetchRow(); |
| 255 | if ( !$row ) { |
| 256 | return null; |
| 257 | } |
| 258 | return $this->actorStore->newActorFromRow( $row ); |
| 259 | } |
| 260 | |
| 261 | /** |
| 262 | * Fetch UserIdentities for the specified query. |
| 263 | * |
| 264 | * @return Iterator<UserIdentity> |
| 265 | */ |
| 266 | public function fetchUserIdentities(): Iterator { |
| 267 | $this->fields( [ 'actor_id', 'actor_name', 'actor_user' ] ); |
| 268 | |
| 269 | $result = $this->fetchResultSet(); |
| 270 | foreach ( $result as $row ) { |
| 271 | yield $this->actorStore->newActorFromRow( $row ); |
| 272 | } |
| 273 | $result->free(); |
| 274 | } |
| 275 | |
| 276 | /** |
| 277 | * Returns an array of user names matching the query. |
| 278 | * |
| 279 | * @return string[] |
| 280 | */ |
| 281 | public function fetchUserNames(): array { |
| 282 | $this->field( 'actor_name' ); |
| 283 | return $this->fetchFieldValues(); |
| 284 | } |
| 285 | } |