Port Floxis: New Adapter

src/main/java/org/prebid/server/bidder/floxis/FloxisBidder.java

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+package org.prebid.server.bidder.floxis;
+
+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.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.floxis.ExtImpFloxis;
+import org.prebid.server.proto.openrtb.ext.response.BidType;
+import org.prebid.server.util.BidderUtil;
+import org.prebid.server.util.Uri;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.Objects;
+
+public class FloxisBidder implements Bidder<BidRequest> {
+
+    private static final TypeReference<ExtPrebid<?, ExtImpFloxis>> FLOXIS_EXT_TYPE_REFERENCE =
+            new TypeReference<>() {
+            };
+
+    private static final String HOST_MACRO = "Host";
+    private static final String SEAT_MACRO = "SeatId";
+
+    private static final String DEFAULT_REGION = "us-e";
+    private static final String DEFAULT_PARTNER = "floxis";
+
+    private final Uri endpointUrl;
+    private final JacksonMapper mapper;
+
+    public FloxisBidder(String endpointUrl, JacksonMapper mapper) {
+        this.endpointUrl = Uri.of(endpointUrl);
+        this.mapper = Objects.requireNonNull(mapper);
+    }
+
+    @Override
+    public Result<List<HttpRequest<BidRequest>>> makeHttpRequests(BidRequest request) {
+        final List<BidderError> errors = new ArrayList<>();
+        final Map<HostId, List<Imp>> impsByHost = new LinkedHashMap<>();
+
+        for (Imp imp : request.getImp()) {
+            final ExtImpFloxis impExt;
+            try {
+                impExt = parseImpExt(imp);
+            } catch (PreBidException e) {
+                errors.add(BidderError.badInput(e.getMessage()));
+                continue;
+            }
+
+            impsByHost.computeIfAbsent(HostId.of(impExt), key -> new ArrayList<>()).add(imp);
+        }
+
+        final List<HttpRequest<BidRequest>> httpRequests = impsByHost.entrySet().stream()
+                .map(entry -> BidderUtil.defaultRequest(
+                        request.toBuilder().imp(entry.getValue()).build(),
+                        resolveUrl(entry.getKey()),
+                        mapper))
+                .toList();
+
+        return Result.of(httpRequests, errors);
+    }
+
+    private ExtImpFloxis parseImpExt(Imp imp) {
+        final ExtImpFloxis impExt;
+        try {
+            impExt = mapper.mapper().convertValue(imp.getExt(), FLOXIS_EXT_TYPE_REFERENCE).getBidder();
+        } catch (IllegalArgumentException e) {
+            throw new PreBidException("invalid imp.ext.bidder for imp %s: %s".formatted(imp.getId(), e.getMessage()));
+        }
+
+        final String region = StringUtils.isBlank(impExt.getRegion())
+                ? DEFAULT_REGION
+                : impExt.getRegion().toLowerCase(Locale.ROOT);
+        final String partner = StringUtils.isBlank(impExt.getPartner())
+                ? DEFAULT_PARTNER
+                : impExt.getPartner().toLowerCase(Locale.ROOT);
+
+        return ExtImpFloxis.of(impExt.getSeat(), region, partner);
+    }
+
+    private String resolveUrl(HostId hostId) {
+        return endpointUrl
+                .replaceMacro(HOST_MACRO, hostId.host())
+                .replaceMacro(SEAT_MACRO, hostId.seat())
+                .expand();
+    }
+
+    @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<>();
+            final List<BidderBid> bidderBids = extractBids(bidResponse, bidRequest.getImp(), errors);
+            return Result.of(bidderBids, errors);
+        } catch (DecodeException e) {
+            return Result.withError(BidderError.badServerResponse(e.getMessage()));
+        }
+    }
+
+    private static List<BidderBid> extractBids(BidResponse bidResponse, List<Imp> imps, 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 -> makeBidderBid(bid, imps, bidResponse.getCur(), errors))
+                .filter(Objects::nonNull)
+                .toList();
+    }
+
+    private static BidderBid makeBidderBid(Bid bid, List<Imp> imps, String currency, List<BidderError> errors) {
+        try {
+            return BidderBid.of(bid, getMediaTypeForBid(imps, bid), currency);
+        } catch (PreBidException e) {
+            errors.add(BidderError.badServerResponse(e.getMessage()));
+            return null;
+        }
+    }
+
+    private static BidType getMediaTypeForBid(List<Imp> imps, Bid bid) {
+        final Integer mtype = bid.getMtype();
+        if (mtype != null && mtype != 0) {
+            return switch (mtype) {
+                case 1 -> BidType.banner;
+                case 2 -> BidType.video;
+                case 3 -> BidType.audio;
+                case 4 -> BidType.xNative;
+                default -> throw new PreBidException(
+                        "unsupported bid.mtype %d for impression %s".formatted(mtype, bid.getImpid()));
+            };
+        }
+
+        final Imp imp = imps.stream()
+                .filter(currentImp -> Objects.equals(currentImp.getId(), bid.getImpid()))
+                .findFirst()
+                .orElseThrow(() -> new PreBidException(
+                        "unable to find impression %s for bid".formatted(bid.getImpid())));
+
+        if (countFormats(imp) != 1) {
+            throw new PreBidException(
+                    "unable to resolve a single media type for impression %s; set bid.mtype"
+                            .formatted(bid.getImpid()));
+        }
+
+        if (imp.getBanner() != null) {
+            return BidType.banner;
+        } else if (imp.getVideo() != null) {
+            return BidType.video;
+        } else if (imp.getAudio() != null) {
+            return BidType.audio;
+        } else {
+            return BidType.xNative;
+        }
+    }
+
+    private static int countFormats(Imp imp) {
+        int formats = 0;
+        if (imp.getBanner() != null) {
+            formats++;
+        }
+        if (imp.getVideo() != null) {
+            formats++;
+        }
+        if (imp.getAudio() != null) {
+            formats++;
+        }
+        if (imp.getXNative() != null) {
+            formats++;
+        }
+        return formats;
+    }
+
+    private record HostId(String seat, String host) {
+
+        static HostId of(ExtImpFloxis impExt) {
+            final String partner = impExt.getPartner();
+            final String region = impExt.getRegion();
+            return new HostId(
+                    impExt.getSeat(),
+                    partner.equals(DEFAULT_PARTNER) ? region : partner + "-" + region);
+        }
+    }
+}

src/main/java/org/prebid/server/proto/openrtb/ext/request/floxis/ExtImpFloxis.java

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+package org.prebid.server.proto.openrtb.ext.request.floxis;
+
+import lombok.Value;
+
+@Value(staticConstructor = "of")
+public class ExtImpFloxis {
+
+    String seat;
+
+    String region;
+
+    String partner;
+}

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

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+package org.prebid.server.spring.config.bidder;
+
+import org.prebid.server.bidder.BidderDeps;
+import org.prebid.server.bidder.floxis.FloxisBidder;
+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.env.YamlPropertySourceFactory;
+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;
+
+@Configuration
+@PropertySource(value = "classpath:/bidder-config/floxis.yaml", factory = YamlPropertySourceFactory.class)
+public class FloxisConfiguration {
+
+    private static final String BIDDER_NAME = "floxis";
+
+    @Bean("floxisConfigurationProperties")
+    @ConfigurationProperties("adapters.floxis")
+    BidderConfigurationProperties configurationProperties() {
+        return new BidderConfigurationProperties();
+    }
+
+    @Bean
+    BidderDeps floxisBidderDeps(BidderConfigurationProperties floxisConfigurationProperties,
+                                JacksonMapper mapper) {
+
+        return BidderDepsAssembler.forBidder(BIDDER_NAME)
+                .withConfig(floxisConfigurationProperties)
+                .bidderCreator(config -> new FloxisBidder(config.getEndpoint(), mapper))
+                .assemble();
+    }
+}

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

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+adapters:
+  floxis:
+    endpoint: https://{Host}.floxis.tech/pbs?seat={SeatId}
+    ortb-version: "2.6"
+    modifying-vast-xml-allowed: false
+    meta-info:
+      maintainer-email: prebid@floxis.tech
+      app-media-types:
+        - banner
+        - video
+        - native
+        - audio
+      site-media-types:
+        - banner
+        - video
+        - native
+        - audio
+      supported-vendors:
+      vendor-id: 1609
+    usersync:
+      cookie-family-name: floxis
+      redirect:
+        url: "https://px-us-e.floxis.tech/sync?gdpr={gdpr}&gdpr_consent={gdpr_consent}&gpp={gpp}&gpp_sid={gpp_sid}&us_privacy={us_privacy}&dest={redirect_url}"
+        uid-macro: "${USER_ID}"

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

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+{
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "title": "Floxis Adapter Params",
+  "description": "A schema which validates params accepted by the Floxis adapter",
+  "type": "object",
+  "properties": {
+    "seat": {
+      "type": "string",
+      "minLength": 1,
+      "description": "The Floxis seat ID this publisher buys through"
+    },
+    "region": {
+      "type": "string",
+      "pattern": "^[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?$",
+      "description": "The Floxis region (DNS label, interpolated into the bidding host); defaults to us-e when omitted"
+    },
+    "partner": {
+      "type": "string",
+      "pattern": "^[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?$",
+      "description": "The white-label partner (DNS label, interpolated into the bidding host); defaults to floxis when omitted"
+    }
+  },
+  "required": ["seat"]
+}