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| 1 | <?php |
| 2 | |
| 3 | class CampaignLog { |
| 4 | /** @var string[] */ |
| 5 | private static $basic_fields = [ |
| 6 | 'start', 'end', 'enabled', 'preferred', 'locked', 'geo', 'buckets' |
| 7 | ]; |
| 8 | /** @var string[] */ |
| 9 | private static $list_fields = [ 'projects', 'languages', 'countries', 'regions' ]; |
| 10 | /** @var string[] */ |
| 11 | private static $map_fields = [ 'banners' ]; |
| 12 | |
| 13 | /** @var mixed[] */ |
| 14 | private $begin; |
| 15 | /** @var mixed[] */ |
| 16 | private $end; |
| 17 | /** @var string */ |
| 18 | private $campaign; |
| 19 | /** @var string */ |
| 20 | private $action; |
| 21 | /** @var string|int */ |
| 22 | private $timestamp; |
| 23 | /** @var string|null */ |
| 24 | private $comment; |
| 25 | |
| 26 | /** |
| 27 | * @param stdClass|null $row |
| 28 | */ |
| 29 | public function __construct( $row = null ) { |
| 30 | $this->begin = []; |
| 31 | $this->end = []; |
| 32 | if ( $row ) { |
| 33 | $comma_explode = static function ( $str ) { |
| 34 | return explode( ", ", $str ); |
| 35 | }; |
| 36 | |
| 37 | $json_decode = static function ( $json ) { |
| 38 | return json_decode( $json, true ); |
| 39 | }; |
| 40 | |
| 41 | $store = function ( $name, $decode = null ) use ( $row ) { |
| 42 | $beginField = 'notlog_begin_' . $name; |
| 43 | $endField = 'notlog_end_' . $name; |
| 44 | |
| 45 | if ( !$decode ) { |
| 46 | $decode = static function ( $v ) { |
| 47 | return $v; |
| 48 | }; |
| 49 | } |
| 50 | $this->begin[ $name ] = $decode( $row->$beginField ); |
| 51 | $this->end[ $name ] = $decode( $row->$endField ); |
| 52 | }; |
| 53 | |
| 54 | foreach ( static::$basic_fields as $name ) { |
| 55 | $store( $name ); |
| 56 | } |
| 57 | foreach ( static::$list_fields as $name ) { |
| 58 | $store( $name, $comma_explode ); |
| 59 | } |
| 60 | foreach ( static::$map_fields as $name ) { |
| 61 | $store( $name, $json_decode ); |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | $this->campaign = $row->notlog_not_name; |
| 66 | $this->action = $row->notlog_action; |
| 67 | $this->timestamp = $row->notlog_timestamp; |
| 68 | // TODO temporary code for soft dependency on schema change |
| 69 | $this->comment = $row->notlog_comment ?? ''; |
| 70 | } |
| 71 | |
| 72 | # TODO: use in logpager |
| 73 | public function changes() { |
| 74 | $removed = []; |
| 75 | $added = []; |
| 76 | |
| 77 | $diff_basic = function ( $name ) use ( &$removed, &$added ) { |
| 78 | if ( $this->begin[ $name ] !== $this->end[ $name ] ) { |
| 79 | if ( $this->begin[ $name ] !== null ) { |
| 80 | $removed[ $name ] = $this->begin[ $name ]; |
| 81 | } |
| 82 | if ( $this->end[ $name ] !== null ) { |
| 83 | $added[ $name ] = $this->end[ $name ]; |
| 84 | } |
| 85 | } |
| 86 | }; |
| 87 | $diff_list = function ( $name ) use ( &$removed, &$added ) { |
| 88 | if ( $this->begin[ $name ] !== $this->end[ $name ] ) { |
| 89 | $removed[ $name ] = array_diff( $this->begin[ $name ], $this->end[ $name ] ); |
| 90 | if ( !$removed[ $name ] || $removed[ $name ] === [ "" ] ) { |
| 91 | unset( $removed[ $name ] ); |
| 92 | } |
| 93 | $added[ $name ] = array_diff( $this->end[ $name ], $this->begin[ $name ] ); |
| 94 | if ( !$added[ $name ] || $added[ $name ] === [ "" ] ) { |
| 95 | unset( $added[ $name ] ); |
| 96 | } |
| 97 | } |
| 98 | }; |
| 99 | $diff_map = function ( $name ) use ( &$removed, &$added ) { |
| 100 | $removed[ $name ] = $this->begin[ $name ]; |
| 101 | $added[ $name ] = $this->end[ $name ]; |
| 102 | |
| 103 | if ( $this->begin[ $name ] && $this->end[ $name ] ) { |
| 104 | $all_keys = array_keys( array_merge( $this->begin[ $name ], $this->end[ $name ] ) ); |
| 105 | foreach ( $all_keys as $item ) { |
| 106 | # simplification: match contents, but diff at item level |
| 107 | if ( array_key_exists( $item, $this->begin[ $name ] ) |
| 108 | && array_key_exists( $item, $this->end[ $name ] ) |
| 109 | && $added[ $name ][ $item ] === $removed[ $name ][ $item ] |
| 110 | ) { |
| 111 | unset( $added[ $name ][ $item ] ); |
| 112 | unset( $removed[ $name ][ $item ] ); |
| 113 | } |
| 114 | } |
| 115 | } |
| 116 | if ( !$removed[ $name ] ) { |
| 117 | unset( $removed[ $name ] ); |
| 118 | } |
| 119 | if ( !$added[ $name ] ) { |
| 120 | unset( $added[ $name ] ); |
| 121 | } |
| 122 | }; |
| 123 | foreach ( static::$basic_fields as $name ) { |
| 124 | $diff_basic( $name ); |
| 125 | } |
| 126 | foreach ( static::$list_fields as $name ) { |
| 127 | $diff_list( $name ); |
| 128 | } |
| 129 | foreach ( static::$map_fields as $name ) { |
| 130 | $diff_map( $name ); |
| 131 | } |
| 132 | |
| 133 | return [ 'removed' => $removed, 'added' => $added ]; |
| 134 | } |
| 135 | } |