New Nexx360 Adapter

src/main/java/org/prebid/server/bidder/nexx360/Nexx360Bidder.java

@@ -0,0 +1,176 @@
+package org.prebid.server.bidder.nexx360;
+
+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.apache.commons.lang3.StringUtils;
+import org.apache.http.client.utils.URIBuilder;
+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.ExtRequest;
+import org.prebid.server.proto.openrtb.ext.request.nexx360.ExtImpNexx360;
+import org.prebid.server.proto.openrtb.ext.response.BidType;
+import org.prebid.server.util.BidderUtil;
+import org.prebid.server.util.HttpUtil;
+import org.prebid.server.version.PrebidVersionProvider;
+
+import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+public class Nexx360Bidder implements Bidder<BidRequest> {
+
+    private static final TypeReference<ExtPrebid<?, ExtImpNexx360>> TYPE_REFERENCE = new TypeReference<>() {
+    };
+    private static final String BIDDER_NAME = "nexx360";
+
+    private final String endpointUrl;
+    private final JacksonMapper mapper;
+    private final PrebidVersionProvider prebidVersionProvider;
+
+    public Nexx360Bidder(String endpointUrl, JacksonMapper mapper, PrebidVersionProvider prebidVersionProvider) {
+        this.endpointUrl = HttpUtil.validateUrl(Objects.requireNonNull(endpointUrl));
+        this.mapper = Objects.requireNonNull(mapper);
+        this.prebidVersionProvider = Objects.requireNonNull(prebidVersionProvider);
+    }
+
+    @Override
+    public Result<List<HttpRequest<BidRequest>>> makeHttpRequests(BidRequest request) {
+        final List<Imp> imps = request.getImp();
+        final List<Imp> modifiedImps = new ArrayList<>();
+
+        final ExtImpNexx360 firstExtImp;
+        try {
+            firstExtImp = parseImpExt(imps.getFirst());
+        } catch (PreBidException e) {
+            return Result.withError(BidderError.badInput(e.getMessage()));
+        }
+
+        for (final Imp imp : imps) {
+            modifiedImps.add(modifyImp(imp));
+        }
+
+        final BidRequest modifiedRequest = makeRequest(request, modifiedImps);
+        final String url = makeUrl(firstExtImp.getTagId(), firstExtImp.getPlacement());
+        return Result.withValue(BidderUtil.defaultRequest(modifiedRequest, url, mapper));
+    }
+
+    private ExtImpNexx360 parseImpExt(Imp imp) {
+        try {
+            return mapper.mapper().convertValue(imp.getExt(), TYPE_REFERENCE).getBidder();
+        } catch (IllegalArgumentException e) {
+            throw new PreBidException(e.getMessage());
+        }
+    }
+
+    private Imp modifyImp(Imp imp) {
+        return imp.toBuilder()
+                .ext(mapper.mapper().createObjectNode().set(BIDDER_NAME, imp.getExt().get("bidder")))
+                .build();
+    }
+
+    private BidRequest makeRequest(BidRequest request, List<Imp> imps) {
+        final ExtRequest extRequest = ExtRequest.empty();
+        extRequest.addProperty(BIDDER_NAME, mapper.mapper().valueToTree(
+                Nexx360ExtRequest.of(Nexx360ExtRequestCaller.of(prebidVersionProvider.getNameVersionRecord()))));
+
+        return request.toBuilder()
+                .imp(imps)
+                .ext(extRequest)
+                .build();
+    }
+
+    private String makeUrl(String tagId, String placement) {
+        final URIBuilder uriBuilder;
+        try {
+            uriBuilder = new URIBuilder(endpointUrl);
+        } catch (URISyntaxException e) {
+            throw new PreBidException("Invalid url: %s, error: %s".formatted(endpointUrl, e.getMessage()));
+        }
+
+        if (StringUtils.isNotBlank(placement)) {
+            uriBuilder.addParameter("placement", placement);
+        }
+        if (StringUtils.isNotBlank(tagId)) {
+            uriBuilder.addParameter("tag_id", tagId);
+        }
+
+        return uriBuilder.toString();
+    }
+
+    @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 bidsFromResponse(bidResponse, errors);
+    }
+
+    private List<BidderBid> bidsFromResponse(BidResponse bidResponse, List<BidderError> errors) {
+        return bidResponse.getSeatbid().stream()
+                .filter(Objects::nonNull)
+                .map(SeatBid::getBid)
+                .filter(Objects::nonNull)
+                .flatMap(Collection::stream)
+                .filter(Objects::nonNull)
+                .map(bid -> makeBid(bid, bidResponse.getCur(), errors))
+                .filter(Objects::nonNull)
+                .collect(Collectors.toList());
+    }
+
+    private BidderBid makeBid(Bid bid, String currency, List<BidderError> errors) {
+        try {
+            return BidderBid.of(bid, getBidType(bid), currency);
+        } catch (PreBidException e) {
+            errors.add(BidderError.badServerResponse(e.getMessage()));
+            return null;
+        }
+    }
+
+    private BidType getBidType(Bid bid) {
+        final String bidType;
+        try {
+            bidType = mapper.mapper()
+                    .convertValue(bid.getExt(), Nexx360ExtBid.class)
+                    .getBidType();
+        } catch (IllegalArgumentException e) {
+            throw new PreBidException(
+                    "unable to fetch mediaType in multi-format: " + bid.getImpid());
+        }
+
+        return switch (bidType) {
+            case "banner" -> BidType.banner;
+            case "video" -> BidType.video;
+            case "audio" -> BidType.audio;
+            case "native" -> BidType.xNative;
+            default -> throw new PreBidException(
+                    "unable to fetch mediaType in multi-format: " + bid.getImpid());
+        };
+    }
+}

src/main/java/org/prebid/server/bidder/nexx360/Nexx360ExtBid.java

@@ -0,0 +1,11 @@
+package org.prebid.server.bidder.nexx360;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Value;
+
+@Value(staticConstructor = "of")
+public class Nexx360ExtBid {
+
+    @JsonProperty("bidType")
+    String bidType;
+}

src/main/java/org/prebid/server/bidder/nexx360/Nexx360ExtRequest.java

@@ -0,0 +1,16 @@
+package org.prebid.server.bidder.nexx360;
+
+import lombok.Value;
+
+import java.util.Collections;
+import java.util.List;
+
+@Value(staticConstructor = "of")
+public class Nexx360ExtRequest {
+
+    List<Nexx360ExtRequestCaller> caller;
+
+    public static Nexx360ExtRequest of(Nexx360ExtRequestCaller caller) {
+        return of(Collections.singletonList(caller));
+    }
+}

src/main/java/org/prebid/server/bidder/nexx360/Nexx360ExtRequestCaller.java

@@ -0,0 +1,15 @@
+package org.prebid.server.bidder.nexx360;
+
+import lombok.Value;
+
+@Value(staticConstructor = "of")
+public class Nexx360ExtRequestCaller {
+
+    String name;
+
+    String version;
+
+    public static Nexx360ExtRequestCaller of(String version) {
+        return Nexx360ExtRequestCaller.of("Prebid-Server", version);
+    }
+}

src/main/java/org/prebid/server/proto/openrtb/ext/request/nexx360/ExtImpNexx360.java

@@ -0,0 +1,13 @@
+package org.prebid.server.proto.openrtb.ext.request.nexx360;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Value;
+
+@Value(staticConstructor = "of")
+public class ExtImpNexx360 {
+
+    @JsonProperty("tagId")
+    String tagId;
+
+    String placement;
+}

src/main/java/org/prebid/server/spring/config/bidder/Nexx360Configuration.java

@@ -0,0 +1,46 @@
+package org.prebid.server.spring.config.bidder;
+
+import org.prebid.server.bidder.BidderDeps;
+import org.prebid.server.bidder.nexx360.Nexx360Bidder;
+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.prebid.server.version.PrebidVersionProvider;
+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/nexx360.yaml", factory = YamlPropertySourceFactory.class)
+public class Nexx360Configuration {
+
+    private static final String BIDDER_NAME = "nexx360";
+
+    @Bean("nexx360ConfigurationProperties")
+    @ConfigurationProperties("adapters.nexx360")
+    BidderConfigurationProperties configurationProperties() {
+        return new BidderConfigurationProperties();
+    }
+
+    @Bean
+    BidderDeps nexx360BidderDeps(BidderConfigurationProperties nexx360ConfigurationProperties,
+                                 @NotBlank @Value("${external-url}") String externalUrl,
+                                 PrebidVersionProvider prebidVersionProvider,
+                                 JacksonMapper mapper) {
+
+        return BidderDepsAssembler.forBidder(BIDDER_NAME)
+                .withConfig(nexx360ConfigurationProperties)
+                .usersyncerCreator(UsersyncerCreator.create(externalUrl))
+                .bidderCreator(config -> new Nexx360Bidder(
+                        config.getEndpoint(),
+                        mapper,
+                        prebidVersionProvider))
+                .assemble();
+    }
+}

src/main/resources/bidder-config/nexx360.yaml

@@ -0,0 +1,22 @@
+adapters:
+  nexx360:
+    endpoint: http://fast.nexx360.io/prebid-server
+    endpoint-compression: gzip
+    aliases:
+      1accord: ~
+      easybid: ~
+      prismassp: ~
+    meta-info:
+      maintainer-email: tech@nexx360.io
+      app-media-types:
+        - banner
+        - video
+        - native
+        - audio
+      site-media-types:
+        - banner
+        - video
+        - native
+        - audio
+      supported-vendors:
+      vendor-id: 0

src/main/resources/static/bidder-params/nexx360.json

@@ -0,0 +1,30 @@
+{
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "title": "Nexx360 Adapter Params",
+  "description": "A schema which validates params accepted by the Nexx360 adapter",
+  "type": "object",
+  "properties": {
+    "tagId": {
+      "type": "string",
+      "minLength": 1,
+      "description": "TagId"
+    },
+    "placement": {
+      "type": "string",
+      "minLength": 1,
+      "description": "Placement"
+    }
+  },
+  "anyOf": [
+    {
+      "required": [
+        "tagId"
+      ]
+    },
+    {
+      "required": [
+        "placement"
+      ]
+    }
+  ]
+}