New Adapter: Clydo

src/main/java/org/prebid/server/bidder/clydo/ClydoBidder.java

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+package org.prebid.server.bidder.clydo;
+
+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.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.clydo.ExtImpClydo;
+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.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+public class ClydoBidder implements Bidder<BidRequest> {
+
+    private static final TypeReference<ExtPrebid<?, ExtImpClydo>> CLYDO_EXT_TYPE_REFERENCE =
+            new TypeReference<>() {
+            };
+
+    private static final String REGION_MACRO = "{{Region}}";
+    private static final String PARTNER_ID_MACRO = "{{PartnerId}}";
+    private static final String DEFAULT_REGION = "us";
+
+    private final String endpointUrl;
+    private final JacksonMapper mapper;
+
+    public ClydoBidder(String endpointUrl, JacksonMapper mapper) {
+        this.endpointUrl = HttpUtil.validateUrl(Objects.requireNonNull(endpointUrl));
+        this.mapper = Objects.requireNonNull(mapper);
+    }
+
+    @Override
+    public Result<List<HttpRequest<BidRequest>>> makeHttpRequests(BidRequest request) {
+        final List<BidderError> errors = new ArrayList<>();
+        final List<HttpRequest<BidRequest>> httpRequests = new ArrayList<>();
+
+        for (Imp imp : request.getImp()) {
+            try {
+                final ExtImpClydo extImpClydo = parseExtImp(imp);
+                final HttpRequest<BidRequest> httpRequest = makeHttpRequest(request, imp, extImpClydo);
+                httpRequests.add(httpRequest);
+            } catch (PreBidException e) {
+                errors.add(BidderError.badInput(e.getMessage()));
+            }
+        }
+
+        if (httpRequests.isEmpty()) {
+            return Result.withError(BidderError.badInput("found no valid impressions"));
+        }
+
+        return Result.of(httpRequests, errors);
+    }
+
+    private ExtImpClydo parseExtImp(Imp imp) {
+        try {
+            return mapper.mapper().convertValue(imp.getExt(), CLYDO_EXT_TYPE_REFERENCE).getBidder();
+        } catch (IllegalArgumentException e) {
+            throw new PreBidException("Cannot deserialize ExtImpClydo: " + e.getMessage());
+        }
+    }
+
+    private static String resolveUrl(String endpoint, ExtImpClydo extImp) {
+        return endpoint
+                .replace(REGION_MACRO, getRegionInfo(extImp))
+                .replace(PARTNER_ID_MACRO, extImp.getPartnerId());
+    }
+
+    private static String getRegionInfo(ExtImpClydo extImp) {
+        final String region = extImp.getRegion();
+        if (region == null) {
+            return DEFAULT_REGION;
+        }
+
+        return switch (region) {
+            case "us", "usw", "eu", "apac" -> region;
+            default -> DEFAULT_REGION;
+        };
+    }
+
+    private HttpRequest<BidRequest> makeHttpRequest(BidRequest request, Imp imp, ExtImpClydo extImpClydo) {
+        final BidRequest outgoingRequest = request.toBuilder().imp(List.of(imp)).build();
+
+        return BidderUtil.defaultRequest(outgoingRequest, resolveUrl(endpointUrl, extImpClydo), mapper);
+    }
+
+    @Override
+    public Result<List<BidderBid>> makeBids(BidderCall<BidRequest> httpCall, BidRequest bidRequest) {
+        try {
+            final BidResponse bidResponse = mapper.decodeValue(httpCall.getResponse().getBody(), BidResponse.class);
+            final List<BidderBid> bidderBids = extractBids(bidRequest, bidResponse);
+            return Result.of(bidderBids, Collections.emptyList());
+        } catch (DecodeException e) {
+            return Result.withError(BidderError.badServerResponse(e.getMessage()));
+        } catch (PreBidException e) {
+            return Result.withError(BidderError.badInput(e.getMessage()));
+        }
+    }
+
+    private List<BidderBid> extractBids(BidRequest bidRequest, BidResponse bidResponse) {
+        if (bidResponse == null || bidResponse.getSeatbid() == null || bidResponse.getSeatbid().isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        final Map<String, BidType> impIdToBidTypeMap = buildImpIdToBidTypeMap(bidRequest);
+
+        return bidResponse.getSeatbid().stream()
+                .filter(Objects::nonNull)
+                .map(SeatBid::getBid)
+                .filter(Objects::nonNull)
+                .flatMap(List::stream)
+                .filter(Objects::nonNull)
+                .map(bid -> BidderBid.of(bid, resolveBidType(bid, impIdToBidTypeMap), bidResponse.getCur()))
+                .collect(Collectors.toList());
+    }
+
+    private static Map<String, BidType> buildImpIdToBidTypeMap(BidRequest bidRequest) {
+        if (bidRequest == null || bidRequest.getImp() == null || bidRequest.getImp().isEmpty()) {
+            return Collections.emptyMap();
+        }
+
+        final Map<String, BidType> impIdToBidTypeMap = new HashMap<>();
+        for (Imp imp : bidRequest.getImp()) {
+            final String impId = imp.getId();
+            if (impIdToBidTypeMap.containsKey(impId)) {
+                throw new PreBidException("Duplicate impression ID found");
+            }
+
+            final BidType bidType = determineBidType(imp);
+            if (bidType == null) {
+                throw new PreBidException("Failed to get media type");
+            }
+
+            impIdToBidTypeMap.put(impId, bidType);
+        }
+
+        return impIdToBidTypeMap;
+    }
+
+    private static BidType determineBidType(Imp imp) {
+        if (imp.getAudio() != null) {
+            return BidType.audio;
+        } else if (imp.getVideo() != null) {
+            return BidType.video;
+        } else if (imp.getXNative() != null) {
+            return BidType.xNative;
+        } else if (imp.getBanner() != null) {
+            return BidType.banner;
+        }
+
+        return null;
+    }
+
+    private static BidType resolveBidType(Bid bid, Map<String, BidType> impIdToBidTypeMap) {
+        if (bid.getImpid() == null) {
+            throw new PreBidException("Missing imp id for bid.id: '%s'".formatted(bid.getId()));
+        }
+
+        return impIdToBidTypeMap.getOrDefault(bid.getImpid(), BidType.banner);
+    }
+}

src/main/java/org/prebid/server/proto/openrtb/ext/request/clydo/ExtImpClydo.java

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

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

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+package org.prebid.server.spring.config.bidder;
+
+import org.prebid.server.bidder.BidderDeps;
+import org.prebid.server.bidder.clydo.ClydoBidder;
+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/clydo.yaml", factory = YamlPropertySourceFactory.class)
+public class ClydoConfiguration {
+
+    private static final String BIDDER_NAME = "clydo";
+
+    @Bean("clydoConfigurationProperties")
+    @ConfigurationProperties("adapters.clydo")
+    BidderConfigurationProperties configurationProperties() {
+        return new BidderConfigurationProperties();
+    }
+
+    @Bean
+    BidderDeps clydoBidderDeps(BidderConfigurationProperties clydoConfigurationProperties,
+                                  @NotBlank @Value("${external-url}") String externalUrl,
+                                  JacksonMapper mapper) {
+
+        return BidderDepsAssembler.forBidder(BIDDER_NAME)
+                .withConfig(clydoConfigurationProperties)
+                .usersyncerCreator(UsersyncerCreator.create(externalUrl))
+                .bidderCreator(config -> new ClydoBidder(config.getEndpoint(), mapper))
+                .assemble();
+    }
+}

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

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+adapters:
+  clydo:
+    endpoint: http://region={{Region}}.clydo.io/partnerId={{PartnerId}}
+    modifying-vast-xml-allowed: true
+    endpoint-compression: gzip
+    geoscope:
+      - global
+    meta-info:
+      maintainer-email: [email protected]
+      app-media-types:
+        - banner
+        - video
+        - audio
+        - native
+      site-media-types:
+        - banner
+        - video
+        - audio
+        - native
+      supported-vendors:
+      vendor-id: 0

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

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+{
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "title": "Clydo Adapter Params",
+  "description": "A schema which validates params accepted by the Clydo adapter",
+  "type": "object",
+  "properties": {
+    "partnerId": {
+      "type": "string",
+      "description": "Partner ID",
+      "minLength": 1
+    },
+    "region": {
+      "type": "string",
+      "description": "Regional endpoint identifier (us, usw, eu, apac)",
+      "enum": ["us", "usw", "eu", "apac"]
+    }
+  },
+
+  "required": ["partnerId"]
+}