add showheroes bid adapter

src/main/java/org/prebid/server/bidder/showheroes/ShowheroesBidder.java

@@ -0,0 +1,247 @@
+package org.prebid.server.bidder.showheroes;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.JsonNodeFactory;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.iab.openrtb.request.BidRequest;
+import com.iab.openrtb.request.Imp;
+import com.iab.openrtb.request.Source;
+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.currency.CurrencyConversionService;
+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.ExtRequestPrebid;
+import org.prebid.server.proto.openrtb.ext.request.ExtRequestPrebidChannel;
+import org.prebid.server.proto.openrtb.ext.request.ExtSource;
+import org.prebid.server.proto.openrtb.ext.request.showheroes.ExtImpShowheroes;
+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.math.BigDecimal;
+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 ShowheroesBidder implements Bidder<BidRequest> {
+
+    private static final String BID_CURRENCY = "EUR";
+    private static final String DEFAULT_ORTB_CURRENCY = "USD";
+    private static final String PBSP_JAVA = "java";
+    private static final TypeReference<ExtPrebid<?, ExtImpShowheroes>> SHOWHEROES_EXT_TYPE_REFERENCE =
+            new TypeReference<>() {
+            };
+
+    private final String endpointUrl;
+    private final CurrencyConversionService currencyConversionService;
+    private final JacksonMapper mapper;
+    private final String pbsVersion;
+
+    public ShowheroesBidder(String endpointUrl,
+            CurrencyConversionService currencyConversionService,
+            PrebidVersionProvider prebidVersionProvider,
+            JacksonMapper mapper) {
+
+        this.endpointUrl = HttpUtil.validateUrl(Objects.requireNonNull(endpointUrl));
+        this.currencyConversionService = Objects.requireNonNull(currencyConversionService);
+        this.mapper = Objects.requireNonNull(mapper);
+
+        this.pbsVersion = prebidVersionProvider.getNameVersionRecord();
+    }
+
+    private BidderError validate(BidRequest bidRequest) {
+        // request must contain site object with page or app object with bundle
+        if (bidRequest.getSite() == null && bidRequest.getApp() == null) {
+            return BidderError.badInput("BidRequest must contain one of site or app");
+        }
+        if (bidRequest.getSite() != null && bidRequest.getSite().getPage() == null) {
+            return BidderError.badInput("BidRequest.site.page is required");
+        }
+        if (bidRequest.getApp() != null && bidRequest.getApp().getBundle() == null) {
+            return BidderError.badInput("BidRequest.app.bundle is required");
+        }
+        return null;
+    }
+
+    private ExtRequestPrebidChannel getPrebidChannel(BidRequest bidRequest) {
+        return Optional.ofNullable(bidRequest.getExt())
+                .map(ExtRequest::getPrebid)
+                .map(ExtRequestPrebid::getChannel)
+                .orElse(null);
+    }
+
+    private Imp processImpression(BidRequest bidRequest, Imp imp, ExtRequestPrebidChannel prebidChannel) {
+        if (imp.getBanner() == null && imp.getVideo() == null) {
+            throw new PreBidException("Impression must contain one of banner or video");
+        }
+
+        final ExtImpShowheroes extImpShowheroes = mapper.mapper()
+                .convertValue(imp.getExt(), SHOWHEROES_EXT_TYPE_REFERENCE).getBidder();
+        if (extImpShowheroes == null || extImpShowheroes.getUnitId() == null
+                || extImpShowheroes.getUnitId().isBlank()) {
+            throw new PreBidException("unitId is required");
+        }
+
+        String channelName = null;
+        String channelVersion = null;
+        if (prebidChannel != null) {
+            channelName = prebidChannel.getName();
+            channelVersion = prebidChannel.getVersion();
+        }
+
+        final ObjectNode impExt = imp.getExt();
+
+        final Imp.ImpBuilder impBuilder = imp.toBuilder();
+
+        // copy unitId from ext.bidder to ext.params
+        impExt.set("params", JsonNodeFactory.instance.objectNode()
+                .put("unitId", extImpShowheroes.getUnitId()));
+
+        impBuilder.ext(impExt);
+        if (imp.getDisplaymanager() == null && channelName != null) {
+            impBuilder.displaymanager(channelName);
+            impBuilder.displaymanagerver(channelVersion);
+        }
+
+        String currency = imp.getBidfloorcur();
+        // if floor price is 0, or currency is EUR - no need to convert
+        if (imp.getBidfloor() == null || imp.getBidfloor().compareTo(BigDecimal.ZERO) == 0
+                || currency == BID_CURRENCY) {
+            return impBuilder.build();
+        }
+        if (currency != null && !currency.isBlank()) {
+            // if not provided default currency is USD
+            currency = DEFAULT_ORTB_CURRENCY;
+        }
+
+        final BigDecimal eurFloor = currencyConversionService.convertCurrency(
+                imp.getBidfloor(), bidRequest, currency, BID_CURRENCY);
+        return impBuilder
+                .bidfloorcur(BID_CURRENCY)
+                .bidfloor(eurFloor)
+                .build();
+    }
+
+    private Source getPBSSource(BidRequest bidRequest) {
+        Source source = bidRequest.getSource();
+        if (source == null) {
+            source = Source.builder().build();
+        }
+
+        ExtSource extSource = source.getExt();
+        if (extSource == null) {
+            extSource = ExtSource.of(null);
+        }
+
+        JsonNode prebidExt = extSource.getProperty("pbs");
+        if (prebidExt == null || !prebidExt.isObject()) {
+            prebidExt = mapper.mapper().createObjectNode();
+        }
+
+        ((ObjectNode) prebidExt).put("pbsv", pbsVersion).put("pbsp", PBSP_JAVA);
+
+        extSource.addProperty("pbs", prebidExt);
+
+        return source.toBuilder().ext(extSource).build();
+    }
+
+    @Override
+    public Result<List<HttpRequest<BidRequest>>> makeHttpRequests(BidRequest request) {
+        final BidderError validationError = validate(request);
+        if (validationError != null) {
+            return Result.of(Collections.emptyList(), List.of(validationError));
+        }
+
+        final List<BidderError> errors = new ArrayList<>();
+        final List<HttpRequest<BidRequest>> httpRequests = new ArrayList<>();
+
+        final ExtRequestPrebidChannel prebidChannel = getPrebidChannel(request);
+        final List<Imp> modifiedImps = new ArrayList<>(request.getImp().size());
+
+        for (Imp impression : request.getImp()) {
+            try {
+                modifiedImps.add(processImpression(request, impression, prebidChannel));
+            } catch (Exception e) {
+                errors.add(BidderError.badInput(e.getMessage()));
+                continue;
+            }
+        }
+
+        if (modifiedImps.isEmpty()) {
+            return Result.of(httpRequests, errors);
+        }
+        Source source = request.getSource();
+        if (pbsVersion != null) {
+            source = getPBSSource(request);
+        }
+
+        httpRequests.add(makeHttpRequest(request.toBuilder().imp(modifiedImps).source(source).build()));
+        return Result.of(httpRequests, errors);
+    }
+
+    private HttpRequest<BidRequest> makeHttpRequest(BidRequest request) {
+        return BidderUtil.defaultRequest(request, endpointUrl, mapper);
+    }
+
+    @Override
+    public Result<List<BidderBid>> makeBids(BidderCall<BidRequest> httpCall, BidRequest bidRequest) {
+        final BidResponse bidResponse;
+        final int statusCode = httpCall.getResponse().getStatusCode();
+        if (statusCode == 204) {
+            return Result.of(Collections.emptyList(), Collections.emptyList());
+        }
+        if (statusCode != 200) {
+            return Result.withError(BidderError.badServerResponse(
+                    "Unexpected status code: " + statusCode));
+        }
+
+        try {
+            bidResponse = mapper.decodeValue(httpCall.getResponse().getBody(), BidResponse.class);
+        } catch (DecodeException | PreBidException e) {
+            return Result.withError(BidderError.badServerResponse(e.getMessage()));
+        }
+
+        return Result.of(extractBids(bidResponse), Collections.emptyList());
+    }
+
+    private 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()))
+                .filter(Objects::nonNull)
+                .toList();
+    }
+
+    private BidType getBidType(Bid bid) {
+        return switch (bid.getMtype()) {
+            case 1 -> BidType.banner;
+            case 2 -> BidType.video;
+            case null, default -> BidType.video; // if not provided video is assumed
+        };
+    }
+}

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

@@ -0,0 +1,14 @@
+package org.prebid.server.proto.openrtb.ext.request.showheroes;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Value;
+
+/**
+ * Defines the contract for bidRequest.imp[i].ext.showheroes
+ */
+@Value(staticConstructor = "of")
+public class ExtImpShowheroes {
+
+    @JsonProperty("unitId")
+    String unitId;
+}

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

@@ -0,0 +1,49 @@
+package org.prebid.server.spring.config.bidder;
+
+import org.prebid.server.bidder.BidderDeps;
+import org.prebid.server.bidder.showheroes.ShowheroesBidder;
+import org.prebid.server.currency.CurrencyConversionService;
+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/showheroes.yaml", factory = YamlPropertySourceFactory.class)
+public class ShowheroesConfiguration {
+
+    private static final String BIDDER_NAME = "showheroes";
+
+    @Bean("showheroesConfigurationProperties")
+    @ConfigurationProperties("adapters.showheroes")
+    BidderConfigurationProperties configurationProperties() {
+        return new BidderConfigurationProperties();
+    }
+
+    @Bean
+    BidderDeps showheroesBidderDeps(BidderConfigurationProperties showheroesConfigurationProperties,
+                                      @NotBlank @Value("${external-url}") String externalUrl,
+                                      CurrencyConversionService currencyConversionService,
+                                      PrebidVersionProvider prebidVersionProvider,
+                                      JacksonMapper mapper) {
+
+        return BidderDepsAssembler.forBidder(BIDDER_NAME)
+                .withConfig(showheroesConfigurationProperties)
+                .usersyncerCreator(UsersyncerCreator.create(externalUrl))
+                .bidderCreator(config -> new ShowheroesBidder(
+                        config.getEndpoint(),
+                        currencyConversionService,
+                        prebidVersionProvider,
+                        mapper))
+                .assemble();
+    }
+}

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

@@ -0,0 +1,17 @@
+adapters:
+  showheroes:
+    endpoint: https://ads.viralize.tv/openrtb2/auction/
+    aliases:
+      showheroes-bs: ~
+      showheroesBs: ~
+    ortb-version: '2.6'
+    meta-info:
+      maintainer-email: tech@showheroes.com
+      app-media-types:
+        - banner
+        - video
+      site-media-types:
+        - banner
+        - video
+      supported-vendors:
+      vendor-id: 111

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

@@ -0,0 +1,13 @@
+{
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "title": "Showheroes Adapter Params",
+  "description": "A schema which validates params accepted by the Showheroes adapter",
+  "type": "object",
+  "properties": {
+    "unitId": {
+      "type": "string",
+      "description": "Unit ID"
+    }
+  },
+  "required": ["unitId"]
+}