New Adapter: AlgoriX (#1275)

* add AlgoriX Bidder Adapter

* fix email

* fixup for endpoints and fix bug for LGTM

* fix code style

* update fix AlgoriX Test

* fix code style from code review

* fix Test from code Review

* fix code style check

* fix mvn check failure

* fix check test failure

* fix check failure in AlgorixTest for test-acution

* Fetch prebid:master and fix change Test Code

* fix with comments

* change call order from comments

Co-authored-by: 寻云波 <xunyunbo@do-global.com>

src/main/java/org/prebid/server/bidder/algorix/AlgorixBidder.java

@@ -0,0 +1,196 @@
+package org.prebid.server.bidder.algorix;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.iab.openrtb.request.Banner;
+import com.iab.openrtb.request.BidRequest;
+import com.iab.openrtb.request.Format;
+import com.iab.openrtb.request.Imp;
+import com.iab.openrtb.response.BidResponse;
+import com.iab.openrtb.response.SeatBid;
+import io.vertx.core.MultiMap;
+import io.vertx.core.http.HttpMethod;
+import org.apache.commons.collections4.CollectionUtils;
+import org.prebid.server.bidder.Bidder;
+import org.prebid.server.bidder.model.BidderError;
+import org.prebid.server.bidder.model.BidderBid;
+import org.prebid.server.bidder.model.HttpRequest;
+import org.prebid.server.bidder.model.HttpCall;
+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.algorix.ExtImpAlgorix;
+import org.prebid.server.proto.openrtb.ext.response.BidType;
+import org.prebid.server.util.HttpUtil;
+
+import java.util.Objects;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Collection;
+import java.util.stream.Collectors;
+
+/**
+ * AlgoriX (@link Bidder) implementation.
+ */
+public class AlgorixBidder implements Bidder<BidRequest> {
+
+    private static final TypeReference<ExtPrebid<?, ExtImpAlgorix>> ALGORIX_EXT_TYPE_REFERENCE =
+            new TypeReference<ExtPrebid<?, ExtImpAlgorix>>() {
+            };
+
+    private static final String URL_SID_MACRO = "{SID}";
+    private static final String URL_TOKEN_MACRO = "{TOKEN}";
+
+    private static final int FIRST_INDEX = 0;
+
+    private final String endpointUrl;
+    private final JacksonMapper mapper;
+
+    public AlgorixBidder(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<BidderError> errors = new ArrayList<>();
+        final List<Imp> updatedImps = new ArrayList<>();
+
+        ExtImpAlgorix extImpAlgorix = null;
+
+        for (Imp imp : request.getImp()) {
+            try {
+                extImpAlgorix = extImpAlgorix == null ? parseImpExt(imp) : extImpAlgorix;
+                updatedImps.add(updateImp(imp));
+            } catch (PreBidException error) {
+                errors.add(BidderError.badInput(error.getMessage()));
+            }
+        }
+
+        if (extImpAlgorix == null) {
+            return Result.withError(BidderError.badInput("Invalid ExtImpAlgoriX value"));
+        }
+
+        final BidRequest outgoingRequest = request.toBuilder().imp(updatedImps).build();
+        final String body = mapper.encode(outgoingRequest);
+        return Result.of(Collections.singletonList(
+                HttpRequest.<BidRequest>builder()
+                        .method(HttpMethod.POST)
+                        .uri(resolveUrl(endpointUrl, extImpAlgorix))
+                        .headers(resolveHeaders())
+                        .payload(outgoingRequest)
+                        .body(body)
+                        .build()),
+                errors);
+    }
+
+    /**
+     * Parse Ext Imp
+     * @param imp BidRequest Imp
+     * @return Algorix Ext Imp
+     */
+    private ExtImpAlgorix parseImpExt(Imp imp) {
+        try {
+            return mapper.mapper().convertValue(imp.getExt(), ALGORIX_EXT_TYPE_REFERENCE).getBidder();
+        } catch (IllegalArgumentException error) {
+            throw new PreBidException(String.format("Impression Id=%s, has invalid Ext", imp.getId()));
+        }
+    }
+
+    /**
+     * Update Imp for transform banner Size
+     * @param imp imp
+     * @return new imp
+     */
+    private static Imp updateImp(Imp imp) {
+        if (imp.getBanner() != null) {
+            final Banner banner = imp.getBanner();
+            if (!(isValidSizeValue(banner.getW()) && isValidSizeValue(banner.getH()))
+                    && CollectionUtils.isNotEmpty(banner.getFormat())) {
+                final Format firstFormat = banner.getFormat().get(FIRST_INDEX);
+                return imp.toBuilder()
+                        .banner(banner.toBuilder()
+                                .w(firstFormat.getW())
+                                .h(firstFormat.getH())
+                                .build())
+                        .build();
+            }
+        }
+        return imp;
+    }
+
+    /**
+     * Check Integer Size Value is Valid(not null and no zero)
+     * @param value Integer size value
+     * @return true or false
+     */
+    private static boolean isValidSizeValue(Integer value) {
+        return value != null && value > 0;
+    }
+
+    /**
+     * Replace url macro
+     * @param endpoint endpoint Url
+     * @param extImp Algorix Ext Imp
+     * @return target Url
+     */
+    private static String resolveUrl(String endpoint, ExtImpAlgorix extImp) {
+        return endpoint
+                .replace(URL_SID_MACRO, extImp.getSid())
+                .replace(URL_TOKEN_MACRO, extImp.getToken());
+    }
+
+    /**
+     * Add openrtb version header 2.5
+     * @return headers
+     */
+    private static MultiMap resolveHeaders() {
+        final MultiMap headers = HttpUtil.headers();
+        headers.add(HttpUtil.X_OPENRTB_VERSION_HEADER, "2.5");
+        return headers;
+    }
+
+    @Override
+    public Result<List<BidderBid>> makeBids(HttpCall<BidRequest> httpCall, BidRequest bidRequest) {
+        try {
+            final BidResponse bidResponse = mapper.decodeValue(httpCall.getResponse().getBody(), BidResponse.class);
+            return Result.of(extractBids(httpCall.getRequest().getPayload(), bidResponse), Collections.emptyList());
+        } catch (DecodeException | PreBidException e) {
+            return Result.withError(BidderError.badServerResponse(e.getMessage()));
+        }
+    }
+
+    private List<BidderBid> extractBids(BidRequest bidRequest, BidResponse bidResponse) {
+        if (bidResponse == null || CollectionUtils.isEmpty(bidResponse.getSeatbid())) {
+            return Collections.emptyList();
+        }
+        return bidsFromResponse(bidRequest, bidResponse);
+    }
+
+    private static List<BidderBid> bidsFromResponse(BidRequest bidRequest, BidResponse bidResponse) {
+        return bidResponse.getSeatbid().stream()
+                .filter(Objects::nonNull)
+                .map(SeatBid::getBid)
+                .filter(Objects::nonNull)
+                .flatMap(Collection::stream)
+                .map(bid -> BidderBid.of(bid, getBidType(bid.getImpid(), bidRequest.getImp()), bidResponse.getCur()))
+                .collect(Collectors.toList());
+    }
+
+    private static BidType getBidType(String impId, List<Imp> imps) {
+        for (Imp imp : imps) {
+            if (imp.getId().equals(impId)) {
+                if (imp.getBanner() != null) {
+                    return BidType.banner;
+                } else if (imp.getVideo() != null) {
+                    return BidType.video;
+                } else if (imp.getXNative() != null) {
+                    return BidType.xNative;
+                }
+            }
+        }
+        return BidType.banner;
+    }
+}

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

@@ -0,0 +1,16 @@
+package org.prebid.server.proto.openrtb.ext.request.algorix;
+
+import lombok.AllArgsConstructor;
+import lombok.Value;
+
+/**
+ * Algorix Ext Imp
+ */
+@AllArgsConstructor(staticName = "of")
+@Value
+public class ExtImpAlgorix {
+
+    String sid;
+
+    String token;
+}

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

@@ -0,0 +1,53 @@
+package org.prebid.server.spring.config.bidder;
+
+import org.prebid.server.bidder.BidderDeps;
+import org.prebid.server.bidder.algorix.AlgorixBidder;
+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.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+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 javax.validation.constraints.NotBlank;
+
+@Configuration
+@PropertySource(value = "classpath:/bidder-config/algorix.yaml",
+        factory = YamlPropertySourceFactory.class)
+public class AlgorixConfiguration {
+
+    private static final String BIDDER_NAME = "algorix";
+
+    @Value("${external-url}")
+    @NotBlank
+    private String externalUrl;
+
+    @Autowired
+    private JacksonMapper mapper;
+
+    @Autowired
+    @Qualifier("algorixConfigurationProperties")
+    private BidderConfigurationProperties configProperties;
+
+    @Bean("algorixConfigurationProperties")
+    @ConfigurationProperties("adapters.algorix")
+    BidderConfigurationProperties configurationProperties() {
+        return new BidderConfigurationProperties();
+    }
+
+    @Bean
+    BidderDeps algorixBidderDeps() {
+        return BidderDepsAssembler.forBidder(BIDDER_NAME)
+                .withConfig(configProperties)
+                .usersyncerCreator(UsersyncerCreator.create(externalUrl))
+                .bidderCreator(config -> new AlgorixBidder(config.getEndpoint(), mapper))
+                .assemble();
+    }
+
+}

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

@@ -0,0 +1,24 @@
+adapters:
+  algorix:
+    enabled: false
+    endpoint: https://xyz.svr-algorix.com/rtb/sa?sid={SID}&token={TOKEN}
+    pbs-enforces-gdpr: true
+    pbs-enforces-ccpa: true
+    modifying-vast-xml-allowed: true
+    deprecated-names:
+    aliases: {}
+    meta-info:
+      maintainer-email: xunyunbo@algorix.co
+      app-media-types:
+        - banner
+        - video
+        - native
+      site-media-types:
+      supported-vendors:
+      vendor-id: 0
+    usersync:
+      url:
+      redirect-url:
+      cookie-family-name: algorix
+      type: redirect
+      support-cors: false

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

@@ -0,0 +1,17 @@
+{
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "title": "AlgoriX Adapter Params",
+  "description": "A schema which validates params accepted by the AlgoriX adapter",
+  "type": "object",
+  "properties": {
+    "sid": {
+      "type": "string",
+      "description": "Your Sid"
+    },
+    "token": {
+      "type": "string",
+      "description": "Your Token"
+    }
+  },
+  "required": ["sid", "token"]
+}