New Adapter: Sparteo

src/main/java/org/prebid/server/bidder/sparteo/SparteoBidder.java

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+package org.prebid.server.bidder.sparteo;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.iab.openrtb.request.BidRequest;
+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 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.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.ExtPublisher;
+import org.prebid.server.proto.openrtb.ext.request.sparteo.ExtImpSparteo;
+import org.prebid.server.proto.openrtb.ext.response.BidType;
+import org.prebid.server.proto.openrtb.ext.response.ExtBidPrebid;
+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.Optional;
+
+public class SparteoBidder implements Bidder<BidRequest> {
+
+    private static final TypeReference<ExtPrebid<?, ExtImpSparteo>> TYPE_REFERENCE =
+            new TypeReference<>() { };
+
+    private final String endpointUrl;
+    private final JacksonMapper mapper;
+
+    public SparteoBidder(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<Imp> modifiedImps = new ArrayList<>();
+        String siteNetworkId = null;
+
+        for (Imp imp : request.getImp()) {
+            if (siteNetworkId == null) {
+                try {
+                    siteNetworkId = parseExtImp(imp).getNetworkId();
+                } catch (PreBidException e) {
+                    errors.add(BidderError.badInput(
+                            "ignoring imp id=%s, error processing ext: %s".formatted(
+                                    imp.getId(), e.getMessage())));
+                }
+            }
+
+            final ObjectNode modifiedExt = modifyImpExt(imp);
+            modifiedImps.add(imp.toBuilder().ext(modifiedExt).build());
+        }
+
+        if (modifiedImps.isEmpty()) {
+            return Result.withErrors(errors);
+        }
+
+        final BidRequest outgoingRequest = request.toBuilder()
+                .imp(modifiedImps)
+                .site(modifySite(request.getSite(), siteNetworkId, mapper))
+                .build();
+
+        final HttpRequest<BidRequest> call = BidderUtil.defaultRequest(outgoingRequest, endpointUrl, mapper);
+
+        return Result.of(Collections.singletonList(call), errors);
+    }
+
+    private ExtImpSparteo parseExtImp(Imp imp) {
+        try {
+            return mapper.mapper().convertValue(imp.getExt(), TYPE_REFERENCE).getBidder();
+        } catch (IllegalArgumentException e) {
+            throw new PreBidException("invalid imp.ext");
+        }
+    }
+
+    private static ObjectNode modifyImpExt(Imp imp) {
+        final ObjectNode modifiedImpExt = imp.getExt().deepCopy();
+        final ObjectNode sparteoNode = modifiedImpExt.putObject("sparteo");
+        final JsonNode bidderJsonNode = modifiedImpExt.remove("bidder");
+        sparteoNode.set("params", bidderJsonNode);
+
+        return modifiedImpExt;
+    }
+
+    private Site modifySite(Site site, String siteNetworkId, JacksonMapper mapper) {
+        if (site == null || site.getPublisher() == null || siteNetworkId == null) {
+            return site;
+        }
+
+        final Publisher originalPublisher = site.getPublisher();
+        final ExtPublisher originalExt = originalPublisher.getExt();
+
+        final ExtPublisher modifiedExt = originalExt != null
+                ? ExtPublisher.of(originalExt.getPrebid())
+                : ExtPublisher.empty();
+
+        if (originalExt != null) {
+            mapper.fillExtension(modifiedExt, originalExt);
+        }
+
+        final JsonNode paramsProperty = modifiedExt.getProperty("params");
+        final ObjectNode paramsNode;
+
+        if (paramsProperty != null && paramsProperty.isObject()) {
+            paramsNode = (ObjectNode) paramsProperty;
+        } else {
+            paramsNode = mapper.mapper().createObjectNode();
+            modifiedExt.addProperty("params", paramsNode);
+        }
+
+        paramsNode.put("networkId", siteNetworkId);
+
+        final Publisher modifiedPublisher = originalPublisher.toBuilder()
+                .ext(modifiedExt)
+                .build();
+
+        return site.toBuilder()
+                .publisher(modifiedPublisher)
+                .build();
+    }
+
+    @Override
+    public 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<>();
+            return Result.of(extractBids(bidResponse, errors), errors);
+        } catch (DecodeException e) {
+            return Result.withError(BidderError.badServerResponse(e.getMessage()));
+        }
+    }
+
+    private 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 -> toBidderBid(bid, bidResponse.getCur(), errors))
+                .filter(Objects::nonNull)
+                .toList();
+    }
+
+    private BidderBid toBidderBid(Bid bid, String currency, List<BidderError> errors) {
+        try {
+            final BidType bidType = getBidType(bid);
+
+            final Integer mtype = switch (bidType) {
+                case banner -> 1;
+                case video -> 2;
+                case xNative -> 4;
+                default -> null;
+            };
+
+            final Bid bidWithMtype = mtype != null ? bid.toBuilder().mtype(mtype).build() : bid;
+
+            return BidderBid.of(bidWithMtype, bidType, currency);
+        } catch (PreBidException e) {
+            errors.add(BidderError.badServerResponse(e.getMessage()));
+            return null;
+        }
+    }
+
+    private BidType getBidType(Bid bid) throws PreBidException {
+        final BidType bidType = Optional.ofNullable(bid.getExt())
+                .map(ext -> ext.get("prebid"))
+                .filter(JsonNode::isObject)
+                .map(this::parseExtBidPrebid)
+                .map(ExtBidPrebid::getType)
+                .orElseThrow(() -> new PreBidException(
+                        "Failed to parse bid mediatype for impression \"%s\"".formatted(bid.getImpid())));
+
+        if (bidType == BidType.audio) {
+            throw new PreBidException(
+                    "Audio bid type not supported by this adapter for impression id: %s".formatted(bid.getImpid()));
+        }
+
+        return bidType;
+    }
+
+    private ExtBidPrebid parseExtBidPrebid(JsonNode prebidNode) {
+        try {
+            return mapper.mapper().treeToValue(prebidNode, ExtBidPrebid.class);
+        } catch (JsonProcessingException e) {
+            return null;
+        }
+    }
+}

src/main/java/org/prebid/server/proto/openrtb/ext/request/sparteo/ExtImpSparteo.java

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

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

@@ -0,0 +1,42 @@
+package org.prebid.server.spring.config.bidder;
+
+import org.prebid.server.bidder.BidderDeps;
+import org.prebid.server.bidder.sparteo.SparteoBidder;
+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/sparteo.yaml",
+                factory = YamlPropertySourceFactory.class)
+public class SparteoConfiguration {
+
+    private static final String BIDDER_NAME = "sparteo";
+
+    @Bean("sparteoConfigurationProperties")
+    @ConfigurationProperties("adapters.sparteo")
+    public BidderConfigurationProperties configurationProperties() {
+        return new BidderConfigurationProperties();
+    }
+
+    @Bean
+    public BidderDeps sparteoBidderDeps(BidderConfigurationProperties sparteoConfigurationProperties,
+                                        @NotBlank @Value("${external-url}") String externalUrl,
+                                        JacksonMapper mapper) {
+
+        return BidderDepsAssembler.forBidder(BIDDER_NAME)
+                .withConfig(sparteoConfigurationProperties)
+                .usersyncerCreator(UsersyncerCreator.create(externalUrl))
+                .bidderCreator(config -> new SparteoBidder(config.getEndpoint(), mapper))
+                .assemble();
+    }
+}

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

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+adapters:
+  sparteo:
+    endpoint: https://bid.sparteo.com/s2s-auction
+    meta-info: 
+      maintainer-email: prebid@sparteo.com
+      app-media-types:
+        - banner
+        - video
+        - native
+      site-media-types:
+        - banner
+        - video
+        - native
+      supported-vendors:
+      vendor-id: 1028
+    usersync:
+      cookie-family-name: sparteo
+      iframe:
+        url: "https://sync.sparteo.com/s2s_sync?gdpr={{gdpr}}&gdpr_consent={{gdpr_consent}}&us_privacy={{us_privacy}}&redirect_url={{redirect_url}}"
+        support-cors: true

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

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+{
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "title": "Sparteo Params",
+    "type": "object",
+    "properties": {
+        "networkId": {
+            "type": "string",
+            "description": "Sparteo network ID. This information will be given to you by the Sparteo team."
+        },
+        "custom1": {
+            "type": "string",
+            "description": "To be used in reporting. Alphanumeric strings ; case sensitive ; max 40 characters ; only allowed symbols are hyphen and underscore."
+        },
+        "custom2": {
+            "type": "string",
+            "description": "To be used in reporting. Alphanumeric strings ; case sensitive ; max 40 characters ; only allowed symbols are hyphen and underscore."
+        },
+        "custom3": {
+            "type": "string",
+            "description": "To be used in reporting. Alphanumeric strings ; case sensitive ; max 40 characters ; only allowed symbols are hyphen and underscore."
+        },
+        "custom4": {
+            "type": "string",
+            "description": "To be used in reporting. Alphanumeric strings ; case sensitive ; max 40 characters ; only allowed symbols are hyphen and underscore."
+        },
+        "custom5": {
+            "type": "string",
+            "description": "To be used in reporting. Alphanumeric strings ; case sensitive ; max 40 characters ; only allowed symbols are hyphen and underscore."
+        }
+    },
+    "required": [
+        "networkId"
+    ]
+}