New Rediads Adapter

src/main/java/org/prebid/server/bidder/rediads/RediadsBidder.java

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+package org.prebid.server.bidder.rediads;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.iab.openrtb.request.App;
+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.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.rediads.ExtImpRediads;
+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.stream.Collectors;
+
+public class RediadsBidder implements Bidder<BidRequest> {
+
+    private static final TypeReference<ExtPrebid<?, ExtImpRediads>> TYPE_REFERENCE = new TypeReference<>() {
+    };
+    private static final String SUBDOMAIN_MACRO = "{{SUBDOMAIN}}";
+
+    private final String endpointUrl;
+    private final String defaultSubdomain;
+    private final JacksonMapper mapper;
+
+    public RediadsBidder(String endpointUrl, JacksonMapper mapper, String defaultSubdomain) {
+        this.endpointUrl = HttpUtil.validateUrl(Objects.requireNonNull(endpointUrl));
+        this.mapper = Objects.requireNonNull(mapper);
+        this.defaultSubdomain = Objects.requireNonNull(defaultSubdomain);
+    }
+
+    @Override
+    public Result<List<HttpRequest<BidRequest>>> makeHttpRequests(BidRequest request) {
+        final List<Imp> modifiedImps = new ArrayList<>();
+        final List<BidderError> errors = new ArrayList<>();
+
+        String accountId = null;
+        String endpoint = null;
+
+        for (Imp imp : request.getImp()) {
+            try {
+                final ExtImpRediads extImp = parseImpExt(imp);
+                modifiedImps.add(modifyImp(imp, extImp));
+                accountId = extImp.getAccountId();
+                endpoint = extImp.getEndpoint();
+            } catch (PreBidException e) {
+                errors.add(BidderError.badInput(e.getMessage()));
+            }
+        }
+
+        if (modifiedImps.isEmpty()) {
+            return Result.withErrors(errors);
+        }
+
+        final BidRequest outgoingRequest = modifyRequest(request, modifiedImps, accountId);
+        final String endpointUrl = resolveEndpointUrl(endpoint);
+        final HttpRequest<BidRequest> httpRequest = BidderUtil.defaultRequest(outgoingRequest, endpointUrl, mapper);
+
+        return Result.of(Collections.singletonList(httpRequest), errors);
+    }
+
+    private ExtImpRediads parseImpExt(Imp imp) {
+        try {
+            return mapper.mapper().convertValue(imp.getExt(), TYPE_REFERENCE).getBidder();
+        } catch (IllegalArgumentException e) {
+            throw new PreBidException("Invalid imp.ext for impression " + imp.getId());
+        }
+    }
+
+    private Imp modifyImp(Imp imp, ExtImpRediads extImp) {
+        final ObjectNode modifiedExt = imp.getExt().deepCopy();
+        modifiedExt.remove("bidder");
+        modifiedExt.remove("prebid");
+        return imp.toBuilder()
+                .tagid(StringUtils.defaultIfBlank(extImp.getSlot(), imp.getTagid()))
+                .ext(modifiedExt)
+                .build();
+    }
+
+    private BidRequest modifyRequest(BidRequest request, List<Imp> imps, String accountId) {
+        final Site site = request.getSite();
+        final App app = request.getApp();
+        return request.toBuilder()
+                .site(site != null ? modifySite(site, accountId) : null)
+                .app(site == null && app != null ? modifyApp(app, accountId) : app)
+                .imp(imps)
+                .build();
+    }
+
+    private static Site modifySite(Site site, String accountId) {
+        final Publisher originalPublisher = site.getPublisher();
+        final Publisher newPublisher = originalPublisher != null
+                ? originalPublisher.toBuilder().id(accountId).build()
+                : Publisher.builder().id(accountId).build();
+        return site.toBuilder().publisher(newPublisher).build();
+    }
+
+    private static App modifyApp(App app, String accountId) {
+        final Publisher originalPublisher = app.getPublisher();
+        final Publisher newPublisher = originalPublisher != null
+                ? originalPublisher.toBuilder().id(accountId).build()
+                : Publisher.builder().id(accountId).build();
+        return app.toBuilder().publisher(newPublisher).build();
+    }
+
+    private String resolveEndpointUrl(String subdomain) {
+        return endpointUrl.replace(SUBDOMAIN_MACRO, StringUtils.defaultIfBlank(subdomain, defaultSubdomain));
+    }
+
+    @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 bidsFromResponse(bidResponse);
+    }
+
+    private static List<BidderBid> bidsFromResponse(BidResponse bidResponse) {
+        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()))
+                .collect(Collectors.toList());
+    }
+
+    private static BidType getBidType(Bid bid) {
+        return switch (bid.getMtype()) {
+            case 1 -> BidType.banner;
+            case 2 -> BidType.video;
+            case 3 -> BidType.audio;
+            case 4 -> BidType.xNative;
+            case null, default -> throw new PreBidException(
+                    "could not define media type for impression: " + bid.getImpid());
+        };
+    }
+}

src/main/java/org/prebid/server/proto/openrtb/ext/request/rediads/ExtImpRediads.java

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+package org.prebid.server.proto.openrtb.ext.request.rediads;
+
+import lombok.Value;
+
+@Value(staticConstructor = "of")
+public class ExtImpRediads {
+
+    String accountId;
+
+    String slot;
+
+    String endpoint;
+}

src/main/java/org/prebid/server/spring/config/bidder/RediadsConfiguration.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.rediads.RediadsBidder;
+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/rediads.yaml", factory = YamlPropertySourceFactory.class)
+public class RediadsConfiguration {
+
+    private static final String BIDDER_NAME = "rediads";
+
+    @Bean("rediadsConfigurationProperties")
+    @ConfigurationProperties("adapters.rediads")
+    RediadsConfigurationProperties configurationProperties() {
+        return new RediadsConfigurationProperties();
+    }
+
+    @Bean
+    BidderDeps rediadsBidderDeps(RediadsConfigurationProperties rediadsConfigurationProperties,
+                                 @NotBlank @Value("${external-url}") String externalUrl,
+                                 JacksonMapper mapper) {
+
+        return BidderDepsAssembler.<RediadsConfigurationProperties>forBidder(BIDDER_NAME)
+                .withConfig(rediadsConfigurationProperties)
+                .usersyncerCreator(UsersyncerCreator.create(externalUrl))
+                .bidderCreator(config -> new RediadsBidder(
+                        config.getEndpoint(),
+                        mapper,
+                        config.getDefaultSubdomain()))
+                .assemble();
+    }
+
+    @Data
+    @EqualsAndHashCode(callSuper = true)
+    @NoArgsConstructor
+    private static class RediadsConfigurationProperties extends BidderConfigurationProperties {
+
+        @NotBlank
+        private String defaultSubdomain;
+    }
+}

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

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+adapters:
+  rediads:
+    endpoint: https://{{SUBDOMAIN}}.rediads.com/openrtb2/auction
+    default-subdomain: bidding
+    ortb-version: "2.6"
+    modifying-vast-xml-allowed: true
+    meta-info:
+      maintainer-email: support@rediads.com
+      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/rediads.json

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+{
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "title": "RediAds Adapter Params",
+  "description": "A schema which validates params accepted by the Rediads adapter",
+  "type": "object",
+  "properties": {
+    "account_id": {
+      "type": "string"
+    },
+    "slot": {
+      "type": "string"
+    },
+    "endpoint": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "account_id"
+  ]
+}