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| 1 | <?php |
| 2 | declare( strict_types = 1 ); |
| 3 | |
| 4 | namespace MediaWiki\Extension\Translate\Statistics; |
| 5 | |
| 6 | use Language; |
| 7 | use MediaWiki\Extension\Translate\MessageGroupProcessing\MessageGroups; |
| 8 | use MediaWiki\Extension\Translate\Utilities\Utilities; |
| 9 | use MediaWiki\MediaWikiServices; |
| 10 | use Wikimedia\Rdbms\IDatabase; |
| 11 | |
| 12 | /** |
| 13 | * Graph which provides statistics on active users and number of translations. |
| 14 | * @ingroup Stats |
| 15 | * @license GPL-2.0-or-later |
| 16 | * @since 2010.07 |
| 17 | */ |
| 18 | class TranslatePerLanguageStats extends TranslationStatsBase { |
| 19 | /** @var array For client side group by time period */ |
| 20 | protected array $seenUsers = []; |
| 21 | protected array $groups = []; |
| 22 | private Language $dateFormatter; |
| 23 | private array $formatCache = []; |
| 24 | |
| 25 | public function __construct( TranslationStatsGraphOptions $opts ) { |
| 26 | parent::__construct( $opts ); |
| 27 | // This query is slow. Set a lower limit, but allow seeing one year at once. |
| 28 | $opts->boundValue( 'days', 1, 400 ); |
| 29 | // TODO: inject |
| 30 | $this->dateFormatter = MediaWikiServices::getInstance()->getContentLanguage(); |
| 31 | } |
| 32 | |
| 33 | public function preQuery( |
| 34 | IDatabase $database, |
| 35 | &$tables, |
| 36 | &$fields, |
| 37 | &$conds, |
| 38 | &$type, |
| 39 | &$options, |
| 40 | &$joins, |
| 41 | $start, |
| 42 | $end |
| 43 | ) { |
| 44 | global $wgTranslateMessageNamespaces; |
| 45 | |
| 46 | $tables = [ 'recentchanges' ]; |
| 47 | $fields = [ 'rc_timestamp' ]; |
| 48 | $joins = []; |
| 49 | |
| 50 | $conds = [ |
| 51 | 'rc_namespace' => $wgTranslateMessageNamespaces, |
| 52 | 'rc_bot' => 0, |
| 53 | 'rc_type != ' . RC_LOG, |
| 54 | ]; |
| 55 | |
| 56 | $timeConds = self::makeTimeCondition( $database, 'rc_timestamp', $start, $end ); |
| 57 | $conds = array_merge( $conds, $timeConds ); |
| 58 | |
| 59 | $options = [ 'ORDER BY' => 'rc_timestamp' ]; |
| 60 | |
| 61 | $this->groups = array_map( [ MessageGroups::class, 'normalizeId' ], $this->opts->getGroups() ); |
| 62 | |
| 63 | $namespaces = self::namespacesFromGroups( $this->groups ); |
| 64 | if ( count( $namespaces ) ) { |
| 65 | $conds['rc_namespace'] = $namespaces; |
| 66 | } |
| 67 | |
| 68 | $languages = []; |
| 69 | foreach ( $this->opts->getLanguages() as $code ) { |
| 70 | $languages[] = 'rc_title ' . $database->buildLike( $database->anyString(), "/$code" ); |
| 71 | } |
| 72 | if ( count( $languages ) ) { |
| 73 | $conds[] = $database->makeList( $languages, LIST_OR ); |
| 74 | } |
| 75 | |
| 76 | $fields[] = 'rc_title'; |
| 77 | |
| 78 | if ( $this->groups ) { |
| 79 | $fields[] = 'rc_namespace'; |
| 80 | } |
| 81 | |
| 82 | if ( $this->opts->getValue( 'count' ) === 'users' ) { |
| 83 | $fields[] = 'rc_actor'; |
| 84 | } |
| 85 | |
| 86 | $type .= '-perlang'; |
| 87 | } |
| 88 | |
| 89 | public function indexOf( $row ) { |
| 90 | if ( $this->opts->getValue( 'count' ) === 'users' ) { |
| 91 | $date = $this->formatTimestamp( $row->rc_timestamp ); |
| 92 | |
| 93 | if ( isset( $this->seenUsers[$date][$row->rc_actor] ) ) { |
| 94 | return false; |
| 95 | } |
| 96 | |
| 97 | $this->seenUsers[$date][$row->rc_actor] = true; |
| 98 | } |
| 99 | |
| 100 | // Do not consider language-less pages. |
| 101 | if ( !str_contains( $row->rc_title, '/' ) ) { |
| 102 | return false; |
| 103 | } |
| 104 | |
| 105 | // No filters, just one key to track. |
| 106 | if ( !$this->groups && !$this->opts->getLanguages() ) { |
| 107 | return [ 'all' ]; |
| 108 | } |
| 109 | |
| 110 | // The key-building needs to be in sync with ::labels(). |
| 111 | [ $key, $code ] = Utilities::figureMessage( $row->rc_title ); |
| 112 | |
| 113 | $groups = []; |
| 114 | $codes = []; |
| 115 | |
| 116 | if ( $this->groups ) { |
| 117 | // Get list of keys that the message belongs to, and filter |
| 118 | // out those which are not requested. |
| 119 | $groups = Utilities::messageKeyToGroups( (int)$row->rc_namespace, $key ); |
| 120 | $groups = array_intersect( $this->groups, $groups ); |
| 121 | } |
| 122 | |
| 123 | if ( $this->opts->getLanguages() ) { |
| 124 | $codes = [ $code ]; |
| 125 | } |
| 126 | |
| 127 | return $this->combineTwoArrays( $groups, $codes ); |
| 128 | } |
| 129 | |
| 130 | public function labels() { |
| 131 | return $this->combineTwoArrays( $this->groups, $this->opts->getLanguages() ); |
| 132 | } |
| 133 | |
| 134 | public function getTimestamp( $row ) { |
| 135 | return $row->rc_timestamp; |
| 136 | } |
| 137 | |
| 138 | /** |
| 139 | * Makes a label for variable. If group or language code filters, or both |
| 140 | * are used, combine those in a pretty way. |
| 141 | * @param string $group Group name. |
| 142 | * @param string $code Language code. |
| 143 | * @return string Label. |
| 144 | */ |
| 145 | protected function makeLabel( $group, $code ) { |
| 146 | if ( $group || $code ) { |
| 147 | return "$group@$code"; |
| 148 | } else { |
| 149 | return 'all'; |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | /** |
| 154 | * Cross-product of two lists with string results, where either |
| 155 | * list can be empty. |
| 156 | * @param string[] $groups Group names. |
| 157 | * @param string[] $codes Language codes. |
| 158 | * @return string[] Labels. |
| 159 | */ |
| 160 | protected function combineTwoArrays( $groups, $codes ) { |
| 161 | if ( !count( $groups ) ) { |
| 162 | $groups[] = false; |
| 163 | } |
| 164 | |
| 165 | if ( !count( $codes ) ) { |
| 166 | $codes[] = false; |
| 167 | } |
| 168 | |
| 169 | $items = []; |
| 170 | foreach ( $groups as $group ) { |
| 171 | foreach ( $codes as $code ) { |
| 172 | $items[] = $this->makeLabel( $group, $code ); |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | return $items; |
| 177 | } |
| 178 | |
| 179 | /** |
| 180 | * Returns unique index for given item in the scale being used. |
| 181 | * Called a lot, so performance intensive. |
| 182 | * @param string $timestamp Timestamp in mediawiki format. |
| 183 | * @return string |
| 184 | */ |
| 185 | protected function formatTimestamp( $timestamp ) { |
| 186 | switch ( $this->opts->getValue( 'scale' ) ) { |
| 187 | case 'hours': |
| 188 | $cut = 4; |
| 189 | break; |
| 190 | case 'days': |
| 191 | $cut = 6; |
| 192 | break; |
| 193 | case 'months': |
| 194 | $cut = 8; |
| 195 | break; |
| 196 | case 'years': |
| 197 | $cut = 10; |
| 198 | break; |
| 199 | default: |
| 200 | // Get the prefix that uniquely identifies a day in the MW timestamp format |
| 201 | $index = substr( $timestamp, 0, -6 ); |
| 202 | // Date formatting is really slow, so do it at most once per day. This is not |
| 203 | // adjusted for user timestamp, so it's safe to assume day boundaries follow UTC. |
| 204 | $this->formatCache[$index] ??= $this->dateFormatter->sprintfDate( $this->getDateFormat(), $timestamp ); |
| 205 | return $this->formatCache[$index]; |
| 206 | } |
| 207 | |
| 208 | return substr( $timestamp, 0, -$cut ); |
| 209 | } |
| 210 | } |