The Trade Desk Bidder

src/main/java/org/prebid/server/bidder/thetradedesk/TheTradeDeskBidder.java

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+package org.prebid.server.bidder.thetradedesk;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.iab.openrtb.request.App;
+import com.iab.openrtb.request.Banner;
+import com.iab.openrtb.request.BidRequest;
+import com.iab.openrtb.request.Format;
+import com.iab.openrtb.request.Imp;
+import com.iab.openrtb.request.Publisher;
+import com.iab.openrtb.request.Site;
+import com.iab.openrtb.response.Bid;
+import com.iab.openrtb.response.BidResponse;
+import com.iab.openrtb.response.SeatBid;
+import io.vertx.core.MultiMap;
+import org.apache.commons.collections4.CollectionUtils;
+import org.apache.commons.lang3.StringUtils;
+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.Result;
+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.thetradedesk.ExtImpTheTradeDesk;
+import org.prebid.server.proto.openrtb.ext.response.BidType;
+import org.prebid.server.util.BidderUtil;
+import org.prebid.server.util.HttpUtil;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Objects;
+import java.util.regex.Pattern;
+
+public class TheTradeDeskBidder implements Bidder<BidRequest> {
+
+    private static final TypeReference<ExtPrebid<?, ExtImpTheTradeDesk>> TYPE_REFERENCE =
+            new TypeReference<>() {
+            };
+
+    private static final String PREBID_INTEGRATION_TYPE_HEADER = "x-integration-type";
+    private static final String PREBID_INTEGRATION_TYPE = "1";
+    private static final MultiMap HEADERS = HttpUtil.headers()
+            .add(PREBID_INTEGRATION_TYPE_HEADER, PREBID_INTEGRATION_TYPE);
+
+    private static final String SUPPLY_ID_MACRO = "{{SupplyId}}";
+    private static final Pattern SUPPLY_ID_PATTERN = Pattern.compile("([a-z]+)$");
+
+    private final String endpointUrl;
+    private final String supplyId;
+    private final JacksonMapper mapper;
+
+    public TheTradeDeskBidder(String endpointUrl, JacksonMapper mapper, String supplyId) {
+        this.endpointUrl = HttpUtil.validateUrl(Objects.requireNonNull(endpointUrl));
+        this.supplyId = validateSupplyId(supplyId);
+        this.mapper = Objects.requireNonNull(mapper);
+    }
+
+    private static String validateSupplyId(String supplyId) {
+        if (StringUtils.isBlank(supplyId) || SUPPLY_ID_PATTERN.matcher(supplyId).matches()) {
+            return supplyId;
+        }
+
+        throw new IllegalArgumentException("SupplyId must be a simple string provided by TheTradeDesk");
+    }
+
+    @Override
+    public Result<List<HttpRequest<BidRequest>>> makeHttpRequests(BidRequest request) {
+        final List<Imp> modifiedImps = new ArrayList<>();
+
+        String publisherId = null;
+        for (Imp imp : request.getImp()) {
+            try {
+                final ExtImpTheTradeDesk extImp = parseImpExt(imp);
+                publisherId = publisherId == null
+                        ? StringUtils.isNotBlank(extImp.getPublisherId())
+                        ? extImp.getPublisherId()
+                        : publisherId
+                        : publisherId;
+
+                modifiedImps.add(modifyImp(imp));
+            } catch (PreBidException e) {
+                return Result.withError(BidderError.badInput(e.getMessage()));
+            }
+        }
+
+        final BidRequest outgoingRequest = modifyRequest(request, modifiedImps, publisherId);
+        final HttpRequest<BidRequest> httpRequest = BidderUtil.defaultRequest(
+                outgoingRequest,
+                HEADERS,
+                resolveEndpoint(),
+                mapper);
+
+        return Result.withValue(httpRequest);
+    }
+
+    private ExtImpTheTradeDesk parseImpExt(Imp imp) {
+        try {
+            return mapper.mapper().convertValue(imp.getExt(), TYPE_REFERENCE).getBidder();
+        } catch (IllegalArgumentException e) {
+            throw new PreBidException(e.getMessage(), e);
+        }
+    }
+
+    private static Imp modifyImp(Imp imp) {
+        final Banner banner = imp.getBanner();
+
+        if (banner != null && CollectionUtils.isNotEmpty(banner.getFormat())) {
+            final Format format = banner.getFormat().getFirst();
+            return imp.toBuilder()
+                    .banner(banner.toBuilder().w(format.getW()).h(format.getH()).build())
+                    .build();
+        }
+
+        return imp;
+    }
+
+    private static BidRequest modifyRequest(BidRequest request, List<Imp> modifiedImps, String publisherId) {
+        return request.toBuilder()
+                .imp(modifiedImps)
+                .site(modifySite(request, publisherId))
+                .app(modifyApp(request, publisherId))
+                .build();
+    }
+
+    private static Site modifySite(BidRequest request, String publisherId) {
+        final Site site = request.getSite();
+        if (site == null) {
+            return null;
+        }
+
+        return site.toBuilder()
+                .publisher(modifyPublisher(site.getPublisher(), publisherId))
+                .build();
+    }
+
+    private static Publisher modifyPublisher(Publisher publisher, String publisherId) {
+        if (publisher == null) {
+            return Publisher.builder().id(publisherId).build();
+        }
+
+        return publisher.toBuilder()
+                .id(StringUtils.isNotBlank(publisherId) ? publisherId : publisher.getId())
+                .build();
+    }
+
+    private static App modifyApp(BidRequest request, String publisherId) {
+        final Site site = request.getSite();
+        final App app = request.getApp();
+
+        if (site != null) {
+            return app;
+        }
+
+        if (app == null) {
+            return null;
+        }
+
+        return app.toBuilder()
+                .publisher(modifyPublisher(app.getPublisher(), publisherId))
+                .build();
+    }
+
+    private String resolveEndpoint() {
+        return endpointUrl.replace(SUPPLY_ID_MACRO, HttpUtil.encodeUrl(StringUtils.defaultString(supplyId)));
+    }
+
+    @Override
+    public Result<List<BidderBid>> makeBids(BidderCall<BidRequest> httpCall, BidRequest bidRequest) {
+        try {
+            final BidResponse bidResponse = mapper.decodeValue(httpCall.getResponse().getBody(), BidResponse.class);
+            return Result.withValues(extractBids(bidResponse));
+        } catch (DecodeException | PreBidException e) {
+            return Result.withError(BidderError.badServerResponse(e.getMessage()));
+        }
+    }
+
+    private static List<BidderBid> extractBids(BidResponse bidResponse) {
+        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 -> BidderBid.of(bid, getBidType(bid), bidResponse.getCur()))
+                .toList();
+    }
+
+    private static BidType getBidType(Bid bid) {
+        return switch (bid.getMtype()) {
+            case 1 -> BidType.banner;
+            case 2 -> BidType.video;
+            case 4 -> BidType.xNative;
+            case null, default -> throw new PreBidException("unsupported mtype: %s".formatted(bid.getMtype()));
+        };
+    }
+}

src/main/java/org/prebid/server/proto/openrtb/ext/request/thetradedesk/ExtImpTheTradeDesk.java

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

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

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+package org.prebid.server.spring.config.bidder;
+
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import org.prebid.server.bidder.BidderDeps;
+import org.prebid.server.bidder.thetradedesk.TheTradeDeskBidder;
+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/thetradedesk.yaml", factory = YamlPropertySourceFactory.class)
+public class TheTradeDeskConfiguration {
+
+    private static final String BIDDER_NAME = "thetradedesk";
+
+    @Bean("thetradedeskConfigurationProperties")
+    @ConfigurationProperties("adapters.thetradedesk")
+    TheTradeDeskConfigurationProperties configurationProperties() {
+        return new TheTradeDeskConfigurationProperties();
+    }
+
+    @Bean
+    BidderDeps theTradeDeskBidderDeps(TheTradeDeskConfigurationProperties theTradeDeskConfigurationProperties,
+                                      @NotBlank @Value("${external-url}") String externalUrl,
+                                      JacksonMapper mapper) {
+
+        return BidderDepsAssembler.<TheTradeDeskConfigurationProperties>forBidder(BIDDER_NAME)
+                .withConfig(theTradeDeskConfigurationProperties)
+                .usersyncerCreator(UsersyncerCreator.create(externalUrl))
+                .bidderCreator(config -> new TheTradeDeskBidder(
+                        config.getEndpoint(),
+                        mapper,
+                        config.getExtraInfo().getSupplyId())
+                ).assemble();
+    }
+
+    @Data
+    @EqualsAndHashCode(callSuper = true)
+    @NoArgsConstructor
+    private static class TheTradeDeskConfigurationProperties extends BidderConfigurationProperties {
+
+        private ExtraInfo extraInfo = new ExtraInfo();
+    }
+
+    @Data
+    @NoArgsConstructor
+    private static class ExtraInfo {
+
+        String supplyId;
+    }
+}

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

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+adapters:
+  thetradedesk:
+    endpoint: https://direct.adsrvr.org/bid/bidder/{{SupplyId}}
+    meta-info:
+      maintainer-email: Prebid-Maintainers@thetradedesk.com
+      app-media-types:
+        - banner
+        - video
+        - native
+      site-media-types:
+        - banner
+        - video
+        - native
+      supported-vendors:
+      vendor-id: 21

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

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+{
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "title": "The Trade Desk Adapter Params",
+  "description": "A schema which validates params accepted by the The Trade Desk adapter",
+  "type": "object",
+  "properties": {
+    "publisherId": {
+      "type": "string",
+      "description": "An ID which identifies the publisher"
+    }
+  },
+  "required": [
+    "publisherId"
+  ]
+}