QT: Add adapter

src/main/java/org/prebid/server/bidder/qt/QtBidder.java

@@ -0,0 +1,138 @@
+package org.prebid.server.bidder.qt;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+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.bidder.qt.proto.QtImpExtBidder;
+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.ExtImpQt;
+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;
+
+public class QtBidder implements Bidder<BidRequest> {
+
+    private static final TypeReference<ExtPrebid<?, ExtImpQt>> QT_EXT_TYPE_REFERENCE = new TypeReference<>() {
+    };
+
+    private final String endpointUrl;
+    private final JacksonMapper mapper;
+
+    public QtBidder(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<HttpRequest<BidRequest>> outgoingRequests = new ArrayList<>();
+
+        for (Imp imp : request.getImp()) {
+            final ExtImpQt extImpQt;
+            try {
+                extImpQt = parseImpExt(imp);
+            } catch (PreBidException e) {
+                return Result.withError(BidderError.badInput(e.getMessage()));
+            }
+            outgoingRequests.add(createSingleRequest(modifyImp(imp, extImpQt), request));
+        }
+
+        return Result.withValues(outgoingRequests);
+    }
+
+    private ExtImpQt parseImpExt(Imp imp) {
+        try {
+            return mapper.mapper().convertValue(imp.getExt(), QT_EXT_TYPE_REFERENCE).getBidder();
+        } catch (IllegalArgumentException e) {
+            throw new PreBidException(e.getMessage());
+        }
+    }
+
+    private Imp modifyImp(Imp imp, ExtImpQt extImpQt) {
+        final QtImpExtBidder qtImpExtBidder = getImpExtQtWithType(extImpQt);
+        final ObjectNode modifiedImpExtBidder = mapper.mapper().createObjectNode();
+
+        modifiedImpExtBidder.set("bidder", mapper.mapper().valueToTree(qtImpExtBidder));
+
+        return imp.toBuilder().ext(modifiedImpExtBidder).build();
+    }
+
+    private QtImpExtBidder getImpExtQtWithType(ExtImpQt extImpQt) {
+        final QtImpExtBidder.QtImpExtBidderBuilder impExtQt = QtImpExtBidder.builder();
+
+        if (StringUtils.isNotEmpty(extImpQt.getPlacementId())) {
+            impExtQt.type("publisher").placementId(extImpQt.getPlacementId());
+        } else if (StringUtils.isNotEmpty(extImpQt.getEndpointId())) {
+            impExtQt.type("network").endpointId(extImpQt.getEndpointId());
+        }
+
+        return impExtQt.build();
+    }
+
+    private HttpRequest<BidRequest> createSingleRequest(Imp imp, BidRequest request) {
+        final BidRequest outgoingRequest = request.toBuilder().imp(Collections.singletonList(imp)).build();
+
+        return BidderUtil.defaultRequest(outgoingRequest, endpointUrl, mapper);
+    }
+
+    @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 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()))
+                .toList();
+    }
+
+    private static BidType getBidType(Bid bid) {
+        final Integer markupType = bid.getMtype();
+        if (markupType == null) {
+            throw new PreBidException("Missing MType for bid: " + bid.getId());
+        }
+
+        return switch (markupType) {
+            case 1 -> BidType.banner;
+            case 2 -> BidType.video;
+            case 4 -> BidType.xNative;
+            default ->
+                    throw new PreBidException("Unable to fetch mediaType in multi-format: %s"
+                            .formatted(bid.getImpid()));
+        };
+    }
+}

src/main/java/org/prebid/server/bidder/qt/proto/QtImpExtBidder.java

@@ -0,0 +1,18 @@
+package org.prebid.server.bidder.qt.proto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Builder;
+import lombok.Value;
+
+@Builder
+@Value
+public class QtImpExtBidder {
+
+    String type;
+
+    @JsonProperty("placementId")
+    String placementId;
+
+    @JsonProperty("endpointId")
+    String endpointId;
+}

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

@@ -0,0 +1,15 @@
+package org.prebid.server.proto.openrtb.ext.request;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Value;
+
+@Value(staticConstructor = "of")
+public class ExtImpQt {
+
+    @JsonProperty("placementId")
+    String placementId;
+
+    @JsonProperty("endpointId")
+    String endpointId;
+}
+

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

@@ -0,0 +1,41 @@
+package org.prebid.server.spring.config.bidder;
+
+import org.prebid.server.bidder.BidderDeps;
+import org.prebid.server.bidder.qt.QtBidder;
+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/qt.yaml", factory = YamlPropertySourceFactory.class)
+public class QtConfiguration {
+
+    private static final String BIDDER_NAME = "qt";
+
+    @Bean("qtConfigurationProperties")
+    @ConfigurationProperties("adapters.qt")
+    BidderConfigurationProperties configurationProperties() {
+        return new BidderConfigurationProperties();
+    }
+
+    @Bean
+    BidderDeps qtBidderDeps(BidderConfigurationProperties qtConfigurationProperties,
+                            @NotBlank @Value("${external-url}") String externalUrl,
+                            JacksonMapper mapper) {
+
+        return BidderDepsAssembler.forBidder(BIDDER_NAME)
+                .withConfig(qtConfigurationProperties)
+                .usersyncerCreator(UsersyncerCreator.create(externalUrl))
+                .bidderCreator(config -> new QtBidder(config.getEndpoint(), mapper))
+                .assemble();
+    }
+}

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

@@ -0,0 +1,21 @@
+adapters:
+  qt:
+    endpoint: https://endpoint1.qt.io/pserver
+    meta-info:
+      maintainer-email: qtssp-support@qt.io
+      app-media-types:
+        - banner
+        - video
+        - native
+      site-media-types:
+        - banner
+        - video
+        - native
+      supported-vendors:
+      vendor-id: 0
+    usersync:
+      cookie-family-name: qt
+      redirect:
+        support-cors: false
+        url: https://cs.qt.io/pbserver?gdpr={{gdpr}}&gdpr_consent={{gdpr_consent}}&us_privacy={{us_privacy}}&gpp={{gpp}}&gpp_sid={{gpp_sid}}&redir={{redirect_url}}
+        uid-macro: '[UID]'

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

@@ -0,0 +1,30 @@
+{
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "title": "QT Adapter Params",
+  "description": "A schema which validates params accepted by the QT adapter",
+  "type": "object",
+  "properties": {
+    "placementId": {
+      "type": "string",
+      "minLength": 1,
+      "description": "Placement ID"
+    },
+    "endpointId": {
+      "type": "string",
+      "minLength": 1,
+      "description": "Endpoint ID"
+    }
+  },
+  "oneOf": [
+    {
+      "required": [
+        "placementId"
+      ]
+    },
+    {
+      "required": [
+        "endpointId"
+      ]
+    }
+  ]
+}