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| 1 | +# Prebid Server Java — Adapter Porting Notes |
| 2 | + |
| 3 | +## Środowisko |
| 4 | + |
| 5 | +- **Go repo:** `C:\Users\Lenovo\projects\prebid-server` |
| 6 | +- **Java repo:** `C:\Users\Lenovo\IdeaProjects\prebid-server-java` |
| 7 | +- **IDE:** IntelliJ IDEA |
| 8 | + |
| 9 | +--- |
| 10 | + |
| 11 | +## Task 1: Insticator — port z Go PR #4726 |
| 12 | + |
| 13 | +**Issue Java:** https://github.com/prebid/prebid-server-java/issues/4481 |
| 14 | +**Go PR:** https://github.com/prebid/prebid-server/pull/4726 |
| 15 | + |
| 16 | +### Zmiana: DSP seat z `TypedBid` → `ExtBidPrebidMeta.seat` |
| 17 | + |
| 18 | +Go adapter ustawiał `Seat` na `TypedBid` co powodowało odrzucanie bidów przez `alternateBidderCodes`. Fix: przenieść seat do `bid.ext.prebid.meta.seat`. |
| 19 | + |
| 20 | +### Zmodyfikowane pliki |
| 21 | + |
| 22 | +**`InsticatorBidder.java`** |
| 23 | +- Nowa metoda `modifyBidExt(bid, bidType, seat)` — wzorzec z Criteo |
| 24 | +- Ustawia `bid.ext.prebid.meta.mediaType` i `bid.ext.prebid.meta.seat` |
| 25 | +- `extractBids` iteruje przez `SeatBid` i przekazuje `seatBid.getSeat()` |
| 26 | + |
| 27 | +**Testy i fixture** |
| 28 | +- `InsticatorBidderTest.java` — zaktualizowane asserty na `bid.ext.prebid.meta` |
| 29 | +- `test-insticator-bid-response.json` — dodano `"seat": "dsp_seat"` do seatbid |
| 30 | +- `test-auction-insticator-response.json` — dodano `"mediaType"` i `"seat"` do meta |
| 31 | + |
| 32 | +--- |
| 33 | + |
| 34 | +## Task 2: Alliance Gravity — nowy adapter |
| 35 | + |
| 36 | +**Issue Java:** https://github.com/prebid/prebid-server-java/issues/4403 |
| 37 | +**Go PR:** https://github.com/prebid/prebid-server/pull/4522 |
| 38 | + |
| 39 | +### Stworzone pliki |
| 40 | + |
| 41 | +| Plik | Ścieżka | |
| 42 | +|------|---------| |
| 43 | +| Bidder | `src/main/java/org/prebid/server/bidder/alliancegravity/AllianceGravityBidder.java` | |
| 44 | +| Ext model | `src/main/java/org/prebid/server/proto/openrtb/ext/request/alliancegravity/ExtImpAllianceGravity.java` | |
| 45 | +| Spring config | `src/main/java/org/prebid/server/spring/config/bidder/AllianceGravityConfiguration.java` | |
| 46 | +| Bidder YAML | `src/main/resources/bidder-config/alliancegravity.yaml` | |
| 47 | +| Params JSON | `src/main/resources/static/bidder-params/alliance_gravity.json` | |
| 48 | +| Unit test | `src/test/java/org/prebid/server/bidder/alliancegravity/AllianceGravityBidderTest.java` | |
| 49 | +| IT test | `src/test/java/org/prebid/server/it/AllianceGravityTest.java` | |
| 50 | +| IT fixtures | `src/test/resources/org/prebid/server/it/openrtb2/alliancegravity/` (4 pliki) | |
| 51 | +| test-application.properties | dodano 2 linie dla `alliancegravity` | |
| 52 | + |
| 53 | +--- |
| 54 | + |
| 55 | +## Kluczowe wzorce i gotchas |
| 56 | + |
| 57 | +### Nazwa bidddera z podkreśleniem (np. `alliance_gravity`) |
| 58 | + |
| 59 | +| Element | Wartość | |
| 60 | +|---------|---------| |
| 61 | +| `BIDDER_NAME` w Configuration.java | `"alliance_gravity"` (z podkreśleniem) | |
| 62 | +| Klucz YAML w `bidder-config/*.yaml` | `alliancegravity` (bez podkreślenia) | |
| 63 | +| `@ConfigurationProperties` prefix | `"adapters.alliancegravity"` (bez podkreślenia) | |
| 64 | +| Plik params JSON | `alliance_gravity.json` (Z podkreśleniem) ← WAŻNE | |
| 65 | +| `imp.ext` w auction request (IT test) | `"alliance_gravity"` (z podkreśleniem) | |
| 66 | + |
| 67 | +**Wzorzec:** identyczny jak `EmxDigital` (`emxdigital.yaml` + `BIDDER_NAME = "emx_digital"`) |
| 68 | + |
| 69 | +### Logika adaptera |
| 70 | + |
| 71 | +``` |
| 72 | +makeHttpRequests: |
| 73 | + - parsuje ExtImpAllianceGravity.srId z imp.ext.bidder.srid |
| 74 | + - zastępuje imp.ext na ExtPrebid.of(ExtImpPrebid(storedrequest=srId), null) |
| 75 | + - wysyła jeden request dla wszystkich impów |
| 76 | +
|
| 77 | +makeBids: |
| 78 | + - bid type z mtype (1=banner, 2=video, 3=audio, 4=native) |
| 79 | + - brakujący/nieznany mtype → BidderError (bid pomijany, reszta dalej) |
| 80 | +``` |
| 81 | + |
| 82 | +### Obsługa błędów w makeBids |
| 83 | + |
| 84 | +```java |
| 85 | +// DOBRZE — błędy per-bid zbierane, reszta działa |
| 86 | +private static BidderBid resolveBidderBid(Bid bid, String currency, List<BidderError> errors) { |
| 87 | + try { |
| 88 | + return BidderBid.of(bid, getBidType(bid, errors), currency); |
| 89 | + } catch (PreBidException e) { |
| 90 | + errors.add(BidderError.badServerResponse(e.getMessage())); |
| 91 | + return null; |
| 92 | + } |
| 93 | +} |
| 94 | + |
| 95 | +// ŹLE — wyjątek w stream.map() dropuje WSZYSTKIE bidy |
| 96 | +.map(bid -> BidderBid.of(bid, getBidType(bid), cur)) // jeśli getBidType rzuci |
| 97 | +``` |
| 98 | + |
| 99 | +### WireMock equalToJson w IT testach |
| 100 | + |
| 101 | +```java |
| 102 | +// Użyj ignoreExtraElements=true żeby PBS-dodane pola nie blokowały matchu |
| 103 | +.withRequestBody(equalToJson(jsonFrom("...bid-request.json"), true, true)) |
| 104 | +// ^ ^ |
| 105 | +// ignoreArrayOrder ignoreExtraElements |
| 106 | +``` |
| 107 | + |
| 108 | +- WireMock 3 obsługuje `${json-unit.any-string}` i `${json-unit.any-number}` jako wildcards |
| 109 | +- **NIE dodawaj** pól do fixture które adapter usuwa (np. `tid` w `imp.ext` gdy adapter zastępuje całe `ext`) |
| 110 | + |
| 111 | +### IT auction request — format dla biddera z podkreśleniem |
| 112 | + |
| 113 | +```json |
| 114 | +"ext": { |
| 115 | + "prebid": { |
| 116 | + "bidder": { |
| 117 | + "alliance_gravity": { |
| 118 | + "srid": "test-stored-request-id" |
| 119 | + } |
| 120 | + } |
| 121 | + } |
| 122 | +} |
| 123 | +``` |
| 124 | + |
| 125 | +(NIE `"ext": {"alliance_gravity": {...}}` — PBS może nie znormalizować przy `fail-on-unknown-bidders: true`) |
| 126 | + |
| 127 | +--- |
| 128 | + |
| 129 | +## Uruchamianie testów |
| 130 | + |
| 131 | +```bash |
| 132 | +# Testy jednostkowe |
| 133 | +mvn test -Dtest=AllianceGravityBidderTest -Dcheckstyle.skip=true --no-transfer-progress |
| 134 | + |
| 135 | +# IT test (może wymagać clean gdy są stare pliki w target/) |
| 136 | +mvn clean test -Dtest=AllianceGravityTest -Dcheckstyle.skip=true --no-transfer-progress |
| 137 | + |
| 138 | +# Oba naraz |
| 139 | +mvn test -Dtest=AllianceGravityBidderTest,AllianceGravityTest -Dcheckstyle.skip=true --no-transfer-progress |
| 140 | +``` |
| 141 | + |
| 142 | +--- |
| 143 | + |
| 144 | +## Wyniki |
| 145 | + |
| 146 | +| Test | Status | |
| 147 | +|------|--------| |
| 148 | +| `InsticatorBidderTest` (24 testy) | ✅ PASS | |
| 149 | +| `InsticatorTest` (IT) | ✅ PASS | |
| 150 | +| `AllianceGravityBidderTest` (14 testów) | ✅ PASS | |
| 151 | +| `AllianceGravityTest` (IT) | ✅ PASS | |
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