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| 1 | <?php |
| 2 | |
| 3 | namespace GrowthExperiments\UserImpact; |
| 4 | |
| 5 | use JsonSerializable; |
| 6 | use LogicException; |
| 7 | use MediaWiki\User\UserIdentity; |
| 8 | use MediaWiki\User\UserIdentityValue; |
| 9 | use Wikimedia\Assert\Assert; |
| 10 | use Wikimedia\Assert\ParameterAssertionException; |
| 11 | use Wikimedia\Timestamp\ConvertibleTimestamp; |
| 12 | |
| 13 | /** |
| 14 | * Value object representing a user's impact statistics. |
| 15 | * This is generated data pieced together from contributions, thanks etc. |
| 16 | * This is information relevant for new users, and not always realistic to include data |
| 17 | * from arbitrarily long ago, so the data might use cutoffs that wouldn't affect a recently |
| 18 | * registered user with a limited number of edits. |
| 19 | */ |
| 20 | class UserImpact implements JsonSerializable { |
| 21 | |
| 22 | /** Cache version, to be increased when breaking backwards compatibility. */ |
| 23 | public const VERSION = 10; |
| 24 | |
| 25 | /** @var UserIdentity */ |
| 26 | private $user; |
| 27 | |
| 28 | /** @var int */ |
| 29 | private $receivedThanksCount; |
| 30 | |
| 31 | /** @var int[] */ |
| 32 | private $editCountByNamespace; |
| 33 | |
| 34 | /** @var int[] */ |
| 35 | private $editCountByDay; |
| 36 | |
| 37 | private int $revertedEditCount; |
| 38 | |
| 39 | /** @var int */ |
| 40 | private $newcomerTaskEditCount; |
| 41 | |
| 42 | /** @var int|null */ |
| 43 | private $lastEditTimestamp; |
| 44 | |
| 45 | /** @var int */ |
| 46 | private $generatedAt; |
| 47 | |
| 48 | /** @var EditingStreak */ |
| 49 | private EditingStreak $longestEditingStreak; |
| 50 | private array $editCountByTaskType; |
| 51 | |
| 52 | /** @var int|null Copy of user.user_editcount */ |
| 53 | private ?int $totalUserEditCount; |
| 54 | |
| 55 | /** |
| 56 | * @param UserIdentity $user |
| 57 | * @param int $receivedThanksCount Number of thanks the user has received. Might exclude |
| 58 | * thanks received a long time ago. |
| 59 | * @param int[] $editCountByNamespace Namespace ID => number of edits the user made in some |
| 60 | * namespace. Might exclude edits made a long time ago or many edits ago. |
| 61 | * @param int[] $editCountByDay Day => number of edits the user made on that day. Indexed with |
| 62 | * ISO 8601 dates, e.g. '2022-08-25'. Might exclude edits made many edits ago. |
| 63 | * @param array $editCountByTaskType |
| 64 | * @param int $revertedEditCount Number of edits by the user that got reverted (determined by |
| 65 | * the mw-reverted tag). |
| 66 | * @param int $newcomerTaskEditCount Number of edits the user made which have the |
| 67 | * newcomer task tag. Might exclude edits made a long time ago or many edits ago. |
| 68 | * @param int|null $lastEditTimestamp Unix timestamp of the user's last edit. |
| 69 | * @param EditingStreak $longestEditingStreak |
| 70 | * @param int|null $totalUserEditCount Copy of user.user_editcount for the user |
| 71 | */ |
| 72 | public function __construct( |
| 73 | UserIdentity $user, |
| 74 | int $receivedThanksCount, |
| 75 | array $editCountByNamespace, |
| 76 | array $editCountByDay, |
| 77 | array $editCountByTaskType, |
| 78 | int $revertedEditCount, |
| 79 | int $newcomerTaskEditCount, |
| 80 | ?int $lastEditTimestamp, |
| 81 | EditingStreak $longestEditingStreak, |
| 82 | ?int $totalUserEditCount |
| 83 | ) { |
| 84 | $this->user = $user; |
| 85 | $this->receivedThanksCount = $receivedThanksCount; |
| 86 | $this->editCountByNamespace = $editCountByNamespace; |
| 87 | $this->editCountByDay = $editCountByDay; |
| 88 | $this->editCountByTaskType = $editCountByTaskType; |
| 89 | $this->revertedEditCount = $revertedEditCount; |
| 90 | $this->newcomerTaskEditCount = $newcomerTaskEditCount; |
| 91 | $this->lastEditTimestamp = $lastEditTimestamp; |
| 92 | $this->generatedAt = ConvertibleTimestamp::time(); |
| 93 | $this->longestEditingStreak = $longestEditingStreak; |
| 94 | $this->totalUserEditCount = $totalUserEditCount; |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * Get the user whose impact this object represents. |
| 99 | * @return UserIdentity |
| 100 | */ |
| 101 | public function getUser() { |
| 102 | return $this->user; |
| 103 | } |
| 104 | |
| 105 | /** |
| 106 | * Number of thanks the user has received. |
| 107 | * Might exclude thanks received a long time ago. |
| 108 | * @return int |
| 109 | */ |
| 110 | public function getReceivedThanksCount(): int { |
| 111 | return $this->receivedThanksCount; |
| 112 | } |
| 113 | |
| 114 | /** |
| 115 | * Map of namespace ID => number of edits the user made in that namespace. |
| 116 | * Might exclude edits made a long time ago or many edits ago. |
| 117 | * @return int[] |
| 118 | */ |
| 119 | public function getEditCountByNamespace(): array { |
| 120 | return $this->editCountByNamespace; |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * Number of edits the user made in the given namespace. |
| 125 | * Might exclude edits made a long time ago or many edits ago. |
| 126 | * @param int $namespace |
| 127 | * @return int |
| 128 | */ |
| 129 | public function getEditCountIn( int $namespace ): int { |
| 130 | return $this->editCountByNamespace[$namespace] ?? 0; |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * Map of day => number of article-space edits the user made on that day. |
| 135 | * Indexed with ISO 8601 dates, e.g. '2022-08-25'; in ascending order by date. |
| 136 | * Dates aren't contiguous. Might exclude edits made many edits ago. |
| 137 | * @return int[] |
| 138 | */ |
| 139 | public function getEditCountByDay(): array { |
| 140 | return $this->editCountByDay; |
| 141 | } |
| 142 | |
| 143 | /** |
| 144 | * Number of edits the user made which have the newcomer task tag. |
| 145 | * Might exclude edits made a long time ago or many edits ago. |
| 146 | * @return int |
| 147 | */ |
| 148 | public function getNewcomerTaskEditCount(): int { |
| 149 | return $this->newcomerTaskEditCount; |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * Number of newcomer task edits the user has made for each task type. |
| 154 | * |
| 155 | * @return array<string,int> (task type id => edit count for the task type) |
| 156 | */ |
| 157 | public function getEditCountByTaskType(): array { |
| 158 | return $this->editCountByTaskType; |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * Number of total edits by the user that got reverted. |
| 163 | * @return int |
| 164 | */ |
| 165 | public function getRevertedEditCount(): int { |
| 166 | return $this->revertedEditCount; |
| 167 | } |
| 168 | |
| 169 | /** |
| 170 | * Unix timestamp of the user's last edit, or null if the user has zero edits. |
| 171 | * @return int|null |
| 172 | */ |
| 173 | public function getLastEditTimestamp(): ?int { |
| 174 | return $this->lastEditTimestamp; |
| 175 | } |
| 176 | |
| 177 | /** |
| 178 | * Unix timestamp of when the user impact data was generated. |
| 179 | * @return int |
| 180 | */ |
| 181 | public function getGeneratedAt(): int { |
| 182 | return $this->generatedAt; |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * Total number of edits across all namespaces. |
| 187 | * |
| 188 | * @note Unlike all other methods in this class, this one is not capped to recent edits (in |
| 189 | * other words, ComputedUserImpactLookup::MAX_EDITS is ignored). |
| 190 | * @return int |
| 191 | */ |
| 192 | public function getTotalEditsCount(): int { |
| 193 | return $this->totalUserEditCount ?? array_sum( $this->editCountByNamespace ); |
| 194 | } |
| 195 | |
| 196 | /** |
| 197 | * Total number of edits for the user's longest editing streak. |
| 198 | * |
| 199 | * @return int Number of edits the user had in their longest editing streak |
| 200 | */ |
| 201 | public function getLongestEditingStreakCount(): int { |
| 202 | return $this->longestEditingStreak->getTotalEditCountForPeriod(); |
| 203 | } |
| 204 | |
| 205 | /** |
| 206 | * Helper method for newFromJsonArray. |
| 207 | * @return UserImpact |
| 208 | */ |
| 209 | protected static function newEmpty(): self { |
| 210 | return new UserImpact( |
| 211 | new UserIdentityValue( 0, '' ), |
| 212 | 0, |
| 213 | [], |
| 214 | [], |
| 215 | [], |
| 216 | 0, |
| 217 | 0, |
| 218 | 0, |
| 219 | new EditingStreak(), |
| 220 | 0 |
| 221 | ); |
| 222 | } |
| 223 | |
| 224 | /** |
| 225 | * @param array $json |
| 226 | * @return UserImpact |
| 227 | * @throws ParameterAssertionException when trying to load an incompatible old JSON format. |
| 228 | */ |
| 229 | public static function newFromJsonArray( array $json ): UserImpact { |
| 230 | if ( array_key_exists( 'dailyTotalViews', $json ) ) { |
| 231 | $userImpact = ExpensiveUserImpact::newEmpty(); |
| 232 | } elseif ( array_key_exists( 'topViewedArticles', $json ) ) { |
| 233 | // UserImpactFormatter::jsonSerialize() unsets the 'dailyArticleViews' |
| 234 | // field so unserializing it would be tricky, but it's not needed anyway. |
| 235 | throw new LogicException( 'UserImpactFormatter is not unserializable.' ); |
| 236 | } else { |
| 237 | $userImpact = self::newEmpty(); |
| 238 | } |
| 239 | $userImpact->loadFromJsonArray( $json ); |
| 240 | return $userImpact; |
| 241 | } |
| 242 | |
| 243 | /** |
| 244 | * @param array $json |
| 245 | * @throws ParameterAssertionException when trying to load an incompatible old JSON format. |
| 246 | */ |
| 247 | protected function loadFromJsonArray( array $json ): void { |
| 248 | if ( $json['@version'] !== self::VERSION ) { |
| 249 | throw new ParameterAssertionException( '@version', 'must be ' . self::VERSION ); |
| 250 | } |
| 251 | |
| 252 | Assert::parameterKeyType( 'integer', $json['editCountByNamespace'], '$json[\'editCountByNamespace\']' ); |
| 253 | Assert::parameterElementType( 'integer', $json['editCountByNamespace'], '$json[\'editCountByNamespace\']' ); |
| 254 | Assert::parameterKeyType( 'string', $json['editCountByDay'], '$json[\'editCountByDay\']' ); |
| 255 | Assert::parameterElementType( 'integer', $json['editCountByDay'], '$json[\'editCountByDay\']' ); |
| 256 | |
| 257 | $this->user = UserIdentityValue::newRegistered( $json['userId'], $json['userName'] ); |
| 258 | $this->receivedThanksCount = $json['receivedThanksCount']; |
| 259 | $this->editCountByNamespace = $json['editCountByNamespace']; |
| 260 | $this->editCountByDay = $json['editCountByDay']; |
| 261 | $this->editCountByTaskType = $json['editCountByTaskType']; |
| 262 | $this->totalUserEditCount = $json['totalUserEditCount']; |
| 263 | $this->revertedEditCount = $json['revertedEditCount']; |
| 264 | $this->newcomerTaskEditCount = $json['newcomerTaskEditCount']; |
| 265 | $this->lastEditTimestamp = $json['lastEditTimestamp']; |
| 266 | $this->generatedAt = $json['generatedAt']; |
| 267 | $this->longestEditingStreak = $json['longestEditingStreak'] === '' ? new EditingStreak() : |
| 268 | new EditingStreak( |
| 269 | ComputeEditingStreaks::makeDatePeriod( |
| 270 | $json['longestEditingStreak']['datePeriod']['start'], |
| 271 | $json['longestEditingStreak']['datePeriod']['end'] |
| 272 | ), |
| 273 | $json['longestEditingStreak']['totalEditCountForPeriod'] |
| 274 | ); |
| 275 | } |
| 276 | |
| 277 | /** @inheritDoc */ |
| 278 | public function jsonSerialize(): array { |
| 279 | $longestEditingStreak = $this->longestEditingStreak->getDatePeriod() ? |
| 280 | [ 'datePeriod' => [ |
| 281 | 'start' => $this->longestEditingStreak->getDatePeriod()->getStartDate()->format( 'Y-m-d' ), |
| 282 | 'end' => $this->longestEditingStreak->getDatePeriod()->getEndDate()->format( 'Y-m-d' ), |
| 283 | 'days' => $this->longestEditingStreak->getStreakNumberOfDays() |
| 284 | ], 'totalEditCountForPeriod' => $this->longestEditingStreak->getTotalEditCountForPeriod() ] : |
| 285 | ''; |
| 286 | return [ |
| 287 | '@version' => self::VERSION, |
| 288 | 'userId' => $this->user->getId(), |
| 289 | 'userName' => $this->user->getName(), |
| 290 | 'receivedThanksCount' => $this->receivedThanksCount, |
| 291 | 'editCountByNamespace' => $this->editCountByNamespace, |
| 292 | 'editCountByDay' => $this->editCountByDay, |
| 293 | 'editCountByTaskType' => $this->editCountByTaskType, |
| 294 | 'totalUserEditCount' => $this->totalUserEditCount, |
| 295 | 'revertedEditCount' => $this->revertedEditCount, |
| 296 | 'newcomerTaskEditCount' => $this->newcomerTaskEditCount, |
| 297 | 'lastEditTimestamp' => $this->lastEditTimestamp, |
| 298 | 'generatedAt' => $this->generatedAt, |
| 299 | 'longestEditingStreak' => $longestEditingStreak, |
| 300 | 'totalEditsCount' => $this->getTotalEditsCount() |
| 301 | ]; |
| 302 | } |
| 303 | |
| 304 | } |