New Adapter: Seedtag

src/main/java/org/prebid/server/bidder/seedtag/SeedtagBidder.java

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+package org.prebid.server.bidder.seedtag;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.iab.openrtb.request.BidRequest;
+import com.iab.openrtb.request.Imp;
+import com.iab.openrtb.response.Bid;
+import com.iab.openrtb.response.BidResponse;
+import com.iab.openrtb.response.SeatBid;
+import org.apache.commons.collections4.CollectionUtils;
+import org.prebid.server.bidder.Bidder;
+import org.prebid.server.bidder.model.BidderBid;
+import org.prebid.server.bidder.model.BidderCall;
+import org.prebid.server.bidder.model.BidderError;
+import org.prebid.server.bidder.model.HttpRequest;
+import org.prebid.server.bidder.model.Price;
+import org.prebid.server.bidder.model.Result;
+import org.prebid.server.currency.CurrencyConversionService;
+import org.prebid.server.exception.PreBidException;
+import org.prebid.server.json.DecodeException;
+import org.prebid.server.json.JacksonMapper;
+import org.prebid.server.proto.openrtb.ext.ExtPrebid;
+import org.prebid.server.proto.openrtb.ext.request.seedtag.ExtImpSeedtag;
+import org.prebid.server.proto.openrtb.ext.response.BidType;
+import org.prebid.server.util.BidderUtil;
+import org.prebid.server.util.HttpUtil;
+
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Objects;
+
+public class SeedtagBidder implements Bidder<BidRequest> {
+
+    private static final TypeReference<ExtPrebid<?, ExtImpSeedtag>> SEEDTAG_EXT_TYPE_REFERENCE =
+            new TypeReference<>() {
+            };
+    private static final String BIDDER_CURRENCY = "USD";
+
+    private final String endpointUrl;
+    private final JacksonMapper mapper;
+    private final CurrencyConversionService currencyConversionService;
+
+    public SeedtagBidder(String endpointUrl,
+                         CurrencyConversionService currencyConversionService,
+                         JacksonMapper mapper) {
+
+        this.endpointUrl = HttpUtil.validateUrl(Objects.requireNonNull(endpointUrl));
+        this.currencyConversionService = Objects.requireNonNull(currencyConversionService);
+        this.mapper = Objects.requireNonNull(mapper);
+    }
+
+    @Override
+    public Result<List<HttpRequest<BidRequest>>> makeHttpRequests(BidRequest request) {
+        final List<Imp> modifiedImps = new ArrayList<>();
+        final List<BidderError> errors = new ArrayList<>();
+
+        for (Imp imp : request.getImp()) {
+            try {
+                final Price bidFloorPrice = resolveBidFloor(imp, request);
+
+                modifiedImps.add(modifyImp(imp, bidFloorPrice));
+            } catch (PreBidException e) {
+                errors.add(BidderError.badInput(e.getMessage()));
+            }
+        }
+
+        if (modifiedImps.size() < 1) {
+            return Result.withErrors(errors);
+        }
+
+        final BidRequest modifiedBidRequest = request.toBuilder()
+                .imp(modifiedImps)
+                .build();
+        return Result.of(
+                Collections.singletonList(BidderUtil.defaultRequest(modifiedBidRequest, endpointUrl, mapper)),
+                errors);
+    }
+
+    private static Imp modifyImp(Imp imp, Price bidFloorPrice) {
+        return imp.toBuilder()
+                .bidfloorcur(bidFloorPrice.getCurrency())
+                .bidfloor(bidFloorPrice.getValue())
+                .build();
+    }
+
+    private Price resolveBidFloor(Imp imp, BidRequest bidRequest) {
+        final Price initialBidFloorPrice = Price.of(imp.getBidfloorcur(), imp.getBidfloor());
+        return BidderUtil.shouldConvertBidFloor(initialBidFloorPrice, BIDDER_CURRENCY)
+                ? convertBidFloor(initialBidFloorPrice, imp.getId(), bidRequest)
+                : initialBidFloorPrice;
+    }
+
+    private Price convertBidFloor(Price bidFloorPrice, String impId, BidRequest bidRequest) {
+        final BigDecimal convertedPrice = currencyConversionService.convertCurrency(
+                bidFloorPrice.getValue(),
+                bidRequest,
+                bidFloorPrice.getCurrency(),
+                BIDDER_CURRENCY);
+
+        return Price.of(BIDDER_CURRENCY, convertedPrice);
+    }
+
+    @Override
+    public final Result<List<BidderBid>> makeBids(BidderCall<BidRequest> httpCall, BidRequest bidRequest) {
+        try {
+            final BidResponse bidResponse = mapper.decodeValue(httpCall.getResponse().getBody(), BidResponse.class);
+            final List<BidderError> errors = new ArrayList<>();
+            final List<BidderBid> bidderBids = extractBids(bidResponse, errors);
+            return Result.of(bidderBids, errors);
+        } catch (DecodeException | PreBidException e) {
+            return Result.withError(BidderError.badServerResponse(e.getMessage()));
+        }
+    }
+
+    private static List<BidderBid> extractBids(BidResponse bidResponse, List<BidderError> errors) {
+        if (bidResponse == null || CollectionUtils.isEmpty(bidResponse.getSeatbid())) {
+            return Collections.emptyList();
+        }
+
+        return bidResponse.getSeatbid().stream()
+                .filter(Objects::nonNull)
+                .map(SeatBid::getBid)
+                .filter(Objects::nonNull)
+                .flatMap(Collection::stream)
+                .filter(Objects::nonNull)
+                .map(bid -> makeBidderBid(bid, errors))
+                .filter(Objects::nonNull)
+                .toList();
+    }
+
+    private static BidderBid makeBidderBid(Bid bid, List<BidderError> errors) {
+        final BidType bidType;
+        try {
+            bidType = getBidType(bid);
+        } catch (PreBidException e) {
+            errors.add(BidderError.badServerResponse(e.getMessage()));
+            return null;
+        }
+
+        return BidderBid.of(bid, bidType, BIDDER_CURRENCY);
+    }
+
+    private static BidType getBidType(Bid bid) {
+        return switch (bid.getMtype()) {
+            case 1 -> BidType.banner;
+            case 2 -> BidType.video;
+            default -> throw new PreBidException("Invalid bid.mtype for bid.id: '%s'".formatted(bid.getId()));
+        };
+    }
+}

src/main/java/org/prebid/server/proto/openrtb/ext/request/seedtag/ExtImpSeedtag.java

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+package org.prebid.server.proto.openrtb.ext.request.seedtag;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Value;
+
+@Value(staticConstructor = "of")
+public class ExtImpSeedtag {
+
+    @JsonProperty("adUnitId")
+    String adUnitId;
+
+}

src/main/java/org/prebid/server/spring/config/bidder/SeedtagConfiguration.java

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+package org.prebid.server.spring.config.bidder;
+
+import org.prebid.server.bidder.BidderDeps;
+import org.prebid.server.bidder.seedtag.SeedtagBidder;
+import org.prebid.server.currency.CurrencyConversionService;
+import org.prebid.server.json.JacksonMapper;
+import org.prebid.server.spring.config.bidder.model.BidderConfigurationProperties;
+import org.prebid.server.spring.config.bidder.util.BidderDepsAssembler;
+import org.prebid.server.spring.config.bidder.util.UsersyncerCreator;
+import org.prebid.server.spring.env.YamlPropertySourceFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.PropertySource;
+
+import jakarta.validation.constraints.NotBlank;
+
+@Configuration
+@PropertySource(value = "classpath:/bidder-config/seedtag.yaml", factory = YamlPropertySourceFactory.class)
+public class SeedtagConfiguration {
+
+    private static final String BIDDER_NAME = "seedtag";
+
+    @Bean("seedtagConfigurationProperties")
+    @ConfigurationProperties("adapters.seedtag")
+    BidderConfigurationProperties configurationProperties() {
+        return new BidderConfigurationProperties();
+    }
+
+    @Bean
+    BidderDeps seedtagBidderDeps(BidderConfigurationProperties seedtagConfigurationProperties,
+                                 @NotBlank @Value("${external-url}") String externalUrl,
+                                 CurrencyConversionService currencyConversionService,
+                                 JacksonMapper mapper) {
+
+        return BidderDepsAssembler.forBidder(BIDDER_NAME)
+                .withConfig(seedtagConfigurationProperties)
+                .usersyncerCreator(UsersyncerCreator.create(externalUrl))
+                .bidderCreator(config -> new SeedtagBidder(
+                        config.getEndpoint(),
+                        currencyConversionService,
+                        mapper))
+                .assemble();
+    }
+}

src/main/resources/bidder-config/seedtag.yaml

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+adapters:
+  seedtag:
+    endpoint: "https://s.seedtag.com/c/openrtb?partner=prebidserver"
+    endpoint-compression: gzip
+    meta-info:
+      maintainer-email: [email protected]
+      site-media-types:
+        - banner
+        - video
+      supported-vendors:
+      vendor-id: 157
+    usersync:
+      cookie-family-name: seedtag
+      iframe:
+        url: https://s.seedtag.com/cs/cookiesync/prebid?gdpr={{gdpr}}&gdpr_consent={{gdpr_consent}}&usp_consent={{us_privacy}}&redirect={{redirect_url}}
+        support-cors: false
+        uid-macro: '$UID'

src/main/resources/static/bidder-params/seedtag.json

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+{
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "title": "Seedtag Adapter Params",
+  "description": "A schema which validates params accepted by the Seedtag adapter",
+  "type": "object",
+  "properties": {
+      "adUnitId": {
+          "type": "string",
+          "description": "Ad Unit ID",
+          "minLength": 1
+      }
+  },
+  "required": [
+      "adUnitId"
+  ]
+}