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| 1 | +package org.prebid.server.bidder.connatix; |
| 2 | + |
| 3 | +import com.fasterxml.jackson.core.type.TypeReference; |
| 4 | +import com.fasterxml.jackson.databind.JsonNode; |
| 5 | +import com.fasterxml.jackson.databind.node.ObjectNode; |
| 6 | +import com.iab.openrtb.request.App; |
| 7 | +import com.iab.openrtb.request.Banner; |
| 8 | +import com.iab.openrtb.request.BidRequest; |
| 9 | +import com.iab.openrtb.request.Device; |
| 10 | +import com.iab.openrtb.request.Format; |
| 11 | +import com.iab.openrtb.request.Imp; |
| 12 | +import com.iab.openrtb.response.Bid; |
| 13 | +import com.iab.openrtb.response.BidResponse; |
| 14 | +import com.iab.openrtb.response.SeatBid; |
| 15 | +import io.vertx.core.MultiMap; |
| 16 | +import org.apache.commons.collections4.CollectionUtils; |
| 17 | +import org.apache.commons.lang3.ObjectUtils; |
| 18 | +import org.apache.commons.lang3.StringUtils; |
| 19 | +import org.prebid.server.bidder.Bidder; |
| 20 | +import org.prebid.server.bidder.model.BidderBid; |
| 21 | +import org.prebid.server.bidder.model.BidderCall; |
| 22 | +import org.prebid.server.bidder.model.BidderError; |
| 23 | +import org.prebid.server.bidder.model.HttpRequest; |
| 24 | +import org.prebid.server.bidder.model.Price; |
| 25 | +import org.prebid.server.bidder.model.Result; |
| 26 | +import org.prebid.server.currency.CurrencyConversionService; |
| 27 | +import org.prebid.server.exception.PreBidException; |
| 28 | +import org.prebid.server.json.DecodeException; |
| 29 | +import org.prebid.server.json.JacksonMapper; |
| 30 | +import org.prebid.server.proto.openrtb.ext.ExtPrebid; |
| 31 | +import org.prebid.server.proto.openrtb.ext.request.ExtApp; |
| 32 | +import org.prebid.server.proto.openrtb.ext.request.connatix.ExtImpConnatix; |
| 33 | +import org.prebid.server.proto.openrtb.ext.response.BidType; |
| 34 | +import org.prebid.server.util.BidderUtil; |
| 35 | +import org.prebid.server.util.HttpUtil; |
| 36 | + |
| 37 | +import java.math.BigDecimal; |
| 38 | +import java.util.ArrayList; |
| 39 | +import java.util.Collection; |
| 40 | +import java.util.Collections; |
| 41 | +import java.util.List; |
| 42 | +import java.util.Objects; |
| 43 | +import java.util.Optional; |
| 44 | + |
| 45 | +public class ConnatixBidder implements Bidder<BidRequest> { |
| 46 | + |
| 47 | + private static final TypeReference<ExtPrebid<?, ExtImpConnatix>> CONNATIX_EXT_TYPE_REFERENCE = |
| 48 | + new TypeReference<>() { |
| 49 | + }; |
| 50 | + |
| 51 | + private static final String BIDDER_CURRENCY = "USD"; |
| 52 | + private static final String FORMATTING = "%s-%s"; |
| 53 | + |
| 54 | + private final String endpointUrl; |
| 55 | + private final JacksonMapper mapper; |
| 56 | + |
| 57 | + private final CurrencyConversionService currencyConversionService; |
| 58 | + |
| 59 | + public ConnatixBidder(String endpointUrl, |
| 60 | + CurrencyConversionService currencyConversionService, |
| 61 | + JacksonMapper mapper) { |
| 62 | + |
| 63 | + this.endpointUrl = HttpUtil.validateUrl(Objects.requireNonNull(endpointUrl)); |
| 64 | + this.currencyConversionService = Objects.requireNonNull(currencyConversionService); |
| 65 | + this.mapper = Objects.requireNonNull(mapper); |
| 66 | + } |
| 67 | + |
| 68 | + @Override |
| 69 | + public Result<List<HttpRequest<BidRequest>>> makeHttpRequests(BidRequest request) { |
| 70 | + final Device device = request.getDevice(); |
| 71 | + |
| 72 | + if (device == null |
| 73 | + || (device.getIp() == null && device.getIpv6() == null)) { |
| 74 | + return Result.withError(BidderError.badInput("Device IP is required")); |
| 75 | + } |
| 76 | + |
| 77 | + final String displayManagerVer = buildDisplayManagerVersion(request); |
| 78 | + final MultiMap headers = resolveHeaders(device); |
| 79 | + |
| 80 | + final List<HttpRequest<BidRequest>> httpRequests = new ArrayList<>(); |
| 81 | + final List<BidderError> errors = new ArrayList<>(); |
| 82 | + |
| 83 | + for (Imp imp : request.getImp()) { |
| 84 | + try { |
| 85 | + final ExtImpConnatix extImpConnatix = parseExtImp(imp); |
| 86 | + final Imp modifiedImp = modifyImp(imp, extImpConnatix, displayManagerVer, request); |
| 87 | + |
| 88 | + httpRequests.add(makeHttpRequest(request, modifiedImp, headers)); |
| 89 | + } catch (PreBidException e) { |
| 90 | + errors.add(BidderError.badInput(e.getMessage())); |
| 91 | + } |
| 92 | + } |
| 93 | + |
| 94 | + return Result.of(httpRequests, errors); |
| 95 | + } |
| 96 | + |
| 97 | + private static String buildDisplayManagerVersion(BidRequest request) { |
| 98 | + return Optional.ofNullable(request.getApp()) |
| 99 | + .map(App::getExt) |
| 100 | + .map(ExtApp::getPrebid) |
| 101 | + .filter(prebid -> ObjectUtils.allNotNull(prebid.getSource(), prebid.getVersion())) |
| 102 | + .map(prebid -> FORMATTING.formatted(prebid.getSource(), prebid.getVersion())) |
| 103 | + .orElse(StringUtils.EMPTY); |
| 104 | + } |
| 105 | + |
| 106 | + private static MultiMap resolveHeaders(Device device) { |
| 107 | + final MultiMap headers = HttpUtil.headers(); |
| 108 | + if (device != null) { |
| 109 | + HttpUtil.addHeaderIfValueIsNotEmpty(headers, HttpUtil.USER_AGENT_HEADER, device.getUa()); |
| 110 | + HttpUtil.addHeaderIfValueIsNotEmpty(headers, HttpUtil.X_FORWARDED_FOR_HEADER, device.getIpv6()); |
| 111 | + HttpUtil.addHeaderIfValueIsNotEmpty(headers, HttpUtil.X_FORWARDED_FOR_HEADER, device.getIp()); |
| 112 | + } |
| 113 | + return headers; |
| 114 | + } |
| 115 | + |
| 116 | + private ExtImpConnatix parseExtImp(Imp imp) { |
| 117 | + try { |
| 118 | + return mapper.mapper().convertValue(imp.getExt(), CONNATIX_EXT_TYPE_REFERENCE).getBidder(); |
| 119 | + } catch (IllegalArgumentException e) { |
| 120 | + throw new PreBidException(e.getMessage()); |
| 121 | + } |
| 122 | + } |
| 123 | + |
| 124 | + private Imp modifyImp(Imp imp, ExtImpConnatix extImpConnatix, String displayManagerVer, BidRequest request) { |
| 125 | + final Price bidFloorPrice = resolveBidFloor(imp, request); |
| 126 | + |
| 127 | + final ObjectNode impExt = mapper.mapper() |
| 128 | + .createObjectNode().set("connatix", mapper.mapper().valueToTree(extImpConnatix)); |
| 129 | + |
| 130 | + return imp.toBuilder() |
| 131 | + .ext(impExt) |
| 132 | + .banner(modifyImpBanner(imp.getBanner())) |
| 133 | + .displaymanagerver(StringUtils.isBlank(imp.getDisplaymanagerver()) |
| 134 | + && StringUtils.isNotBlank(displayManagerVer) |
| 135 | + ? displayManagerVer |
| 136 | + : imp.getDisplaymanagerver()) |
| 137 | + .bidfloor(bidFloorPrice.getValue()) |
| 138 | + .bidfloorcur(bidFloorPrice.getCurrency()) |
| 139 | + .build(); |
| 140 | + } |
| 141 | + |
| 142 | + private Price resolveBidFloor(Imp imp, BidRequest bidRequest) { |
| 143 | + final Price initialBidFloorPrice = Price.of(imp.getBidfloorcur(), imp.getBidfloor()); |
| 144 | + return BidderUtil.shouldConvertBidFloor(initialBidFloorPrice, BIDDER_CURRENCY) |
| 145 | + ? convertBidFloor(initialBidFloorPrice, bidRequest) |
| 146 | + : initialBidFloorPrice; |
| 147 | + } |
| 148 | + |
| 149 | + private Price convertBidFloor(Price bidFloorPrice, BidRequest bidRequest) { |
| 150 | + final BigDecimal convertedPrice = currencyConversionService.convertCurrency( |
| 151 | + bidFloorPrice.getValue(), |
| 152 | + bidRequest, |
| 153 | + bidFloorPrice.getCurrency(), |
| 154 | + BIDDER_CURRENCY); |
| 155 | + |
| 156 | + return Price.of(BIDDER_CURRENCY, convertedPrice); |
| 157 | + } |
| 158 | + |
| 159 | + private Banner modifyImpBanner(Banner banner) { |
| 160 | + if (banner == null) { |
| 161 | + return null; |
| 162 | + } |
| 163 | + |
| 164 | + if (banner.getW() == null && banner.getH() == null && CollectionUtils.isNotEmpty(banner.getFormat())) { |
| 165 | + final Format firstFormat = banner.getFormat().getFirst(); |
| 166 | + return banner.toBuilder() |
| 167 | + .w(firstFormat.getW()) |
| 168 | + .h(firstFormat.getH()) |
| 169 | + .build(); |
| 170 | + } |
| 171 | + return banner; |
| 172 | + } |
| 173 | + |
| 174 | + private HttpRequest<BidRequest> makeHttpRequest(BidRequest request, Imp imp, MultiMap headers) { |
| 175 | + final BidRequest outgoingRequest = request.toBuilder() |
| 176 | + .imp(List.of(imp)) |
| 177 | + .build(); |
| 178 | + |
| 179 | + return BidderUtil.defaultRequest(outgoingRequest, headers, endpointUrl, mapper); |
| 180 | + } |
| 181 | + |
| 182 | + @Override |
| 183 | + public Result<List<BidderBid>> makeBids(BidderCall<BidRequest> httpCall, BidRequest bidRequest) { |
| 184 | + try { |
| 185 | + final BidResponse bidResponse = mapper.decodeValue(httpCall.getResponse().getBody(), BidResponse.class); |
| 186 | + final List<BidderBid> bids = extractBids(bidResponse); |
| 187 | + |
| 188 | + return Result.withValues(bids); |
| 189 | + } catch (DecodeException | PreBidException e) { |
| 190 | + return Result.withError(BidderError.badServerResponse(e.getMessage())); |
| 191 | + } |
| 192 | + } |
| 193 | + |
| 194 | + private static List<BidderBid> extractBids(BidResponse bidResponse) { |
| 195 | + if (bidResponse == null || CollectionUtils.isEmpty(bidResponse.getSeatbid())) { |
| 196 | + return Collections.emptyList(); |
| 197 | + } |
| 198 | + |
| 199 | + return bidResponse.getSeatbid().stream() |
| 200 | + .filter(Objects::nonNull) |
| 201 | + .map(SeatBid::getBid) |
| 202 | + .filter(Objects::nonNull) |
| 203 | + .flatMap(Collection::stream) |
| 204 | + .filter(Objects::nonNull) |
| 205 | + .map(bid -> BidderBid.of(bid, getBidType(bid), BIDDER_CURRENCY)) |
| 206 | + .toList(); |
| 207 | + } |
| 208 | + |
| 209 | + private static BidType getBidType(Bid bid) { |
| 210 | + return Optional.ofNullable(bid.getExt()) |
| 211 | + .map(ext -> ext.get("connatix")) |
| 212 | + .map(cnx -> cnx.get("mediaType")) |
| 213 | + .map(JsonNode::asText) |
| 214 | + .filter(type -> Objects.equals(type, "video")) |
| 215 | + .map(ignored -> BidType.video) |
| 216 | + .orElse(BidType.banner); |
| 217 | + } |
| 218 | +} |
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