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| 1 | +package org.prebid.server.bidder.teal; |
| 2 | + |
| 3 | +import com.fasterxml.jackson.core.type.TypeReference; |
| 4 | +import com.fasterxml.jackson.databind.node.ObjectNode; |
| 5 | +import com.iab.openrtb.request.App; |
| 6 | +import com.iab.openrtb.request.BidRequest; |
| 7 | +import com.iab.openrtb.request.Imp; |
| 8 | +import com.iab.openrtb.request.Publisher; |
| 9 | +import com.iab.openrtb.request.Site; |
| 10 | +import com.iab.openrtb.response.BidResponse; |
| 11 | +import com.iab.openrtb.response.SeatBid; |
| 12 | +import io.vertx.core.http.HttpMethod; |
| 13 | +import org.apache.commons.collections4.CollectionUtils; |
| 14 | +import org.apache.commons.lang3.StringUtils; |
| 15 | +import org.prebid.server.bidder.Bidder; |
| 16 | +import org.prebid.server.bidder.model.BidderBid; |
| 17 | +import org.prebid.server.bidder.model.BidderCall; |
| 18 | +import org.prebid.server.bidder.model.BidderError; |
| 19 | +import org.prebid.server.bidder.model.HttpRequest; |
| 20 | +import org.prebid.server.bidder.model.Result; |
| 21 | +import org.prebid.server.exception.PreBidException; |
| 22 | +import org.prebid.server.json.DecodeException; |
| 23 | +import org.prebid.server.json.JacksonMapper; |
| 24 | +import org.prebid.server.proto.openrtb.ext.ExtPrebid; |
| 25 | +import org.prebid.server.proto.openrtb.ext.request.ExtRequest; |
| 26 | +import org.prebid.server.proto.openrtb.ext.request.teal.ExtImpTeal; |
| 27 | +import org.prebid.server.proto.openrtb.ext.response.BidType; |
| 28 | +import org.prebid.server.util.BidderUtil; |
| 29 | +import org.prebid.server.util.HttpUtil; |
| 30 | + |
| 31 | +import java.util.ArrayList; |
| 32 | +import java.util.Collection; |
| 33 | +import java.util.Collections; |
| 34 | +import java.util.List; |
| 35 | +import java.util.Objects; |
| 36 | +import java.util.Optional; |
| 37 | +import java.util.stream.Collectors; |
| 38 | + |
| 39 | +public class TealBidder implements Bidder<BidRequest> { |
| 40 | + |
| 41 | + private static final TypeReference<ExtPrebid<?, ExtImpTeal>> TYPE_REFERENCE = new TypeReference<>() { |
| 42 | + }; |
| 43 | + private final String endpointUrl; |
| 44 | + private final JacksonMapper mapper; |
| 45 | + |
| 46 | + public TealBidder(String endpointUrl, |
| 47 | + JacksonMapper mapper) { |
| 48 | + |
| 49 | + this.endpointUrl = HttpUtil.validateUrl(Objects.requireNonNull(endpointUrl)); |
| 50 | + this.mapper = Objects.requireNonNull(mapper); |
| 51 | + } |
| 52 | + |
| 53 | + @Override |
| 54 | + public Result<List<HttpRequest<BidRequest>>> makeHttpRequests(BidRequest request) { |
| 55 | + final ExtImpTeal params; |
| 56 | + try { |
| 57 | + params = parseImpExt(request.getImp().getFirst()); |
| 58 | + } catch (PreBidException e) { |
| 59 | + return Result.withError(BidderError.badInput(e.getMessage())); |
| 60 | + } |
| 61 | + final String account = params.getAccount(); |
| 62 | + if (!isParameterValid(account)) { |
| 63 | + return Result.withError(BidderError.badInput("account parameter failed validation")); |
| 64 | + } |
| 65 | + |
| 66 | + final List<Imp> modifiedImps = new ArrayList<>(); |
| 67 | + final List<BidderError> errors = new ArrayList<>(); |
| 68 | + |
| 69 | + for (Imp imp : request.getImp()) { |
| 70 | + final ExtImpTeal impParams; |
| 71 | + try { |
| 72 | + impParams = parseImpExt(imp); |
| 73 | + } catch (PreBidException e) { |
| 74 | + errors.add(BidderError.badInput(e.getMessage())); |
| 75 | + continue; |
| 76 | + } |
| 77 | + |
| 78 | + final String placement = impParams.getPlacement(); |
| 79 | + final boolean passedValidation = placement == null || isParameterValid(placement); |
| 80 | + |
| 81 | + if (placement != null && !passedValidation) { |
| 82 | + errors.add(BidderError.badInput("placement parameter failed validation")); |
| 83 | + continue; |
| 84 | + } |
| 85 | + |
| 86 | + if (placement != null) { |
| 87 | + final ObjectNode ext = Optional.ofNullable(imp.getExt()).orElse(mapper.mapper().createObjectNode()); |
| 88 | + final ObjectNode prebid = ext.has("prebid") && ext.get("prebid").isObject() |
| 89 | + ? (ObjectNode) ext.get("prebid") |
| 90 | + : ext.putObject("prebid"); |
| 91 | + prebid.putObject("storedrequest").put("id", placement); |
| 92 | + modifiedImps.add(imp.toBuilder().ext(ext).build()); |
| 93 | + } else { |
| 94 | + modifiedImps.add(imp); |
| 95 | + } |
| 96 | + } |
| 97 | + |
| 98 | + if (CollectionUtils.isEmpty(modifiedImps)) { |
| 99 | + return Result.withErrors(errors); |
| 100 | + } |
| 101 | + |
| 102 | + final BidRequest modifiedRequest = enrichRequest(request, account, modifiedImps); |
| 103 | + return Result.of(List.of(HttpRequest.<BidRequest>builder() |
| 104 | + .method(HttpMethod.POST) |
| 105 | + .uri(endpointUrl) |
| 106 | + .impIds(BidderUtil.impIds(modifiedRequest)) |
| 107 | + .body(mapper.encodeToBytes(modifiedRequest)) |
| 108 | + .payload(modifiedRequest) |
| 109 | + .build()), errors); |
| 110 | + } |
| 111 | + |
| 112 | + private ExtImpTeal parseImpExt(Imp imp) { |
| 113 | + try { |
| 114 | + return mapper.mapper().convertValue(imp.getExt(), TYPE_REFERENCE).getBidder(); |
| 115 | + } catch (IllegalArgumentException e) { |
| 116 | + throw new PreBidException("Error parsing imp.ext for impression " + imp.getId()); |
| 117 | + } |
| 118 | + } |
| 119 | + |
| 120 | + private boolean isParameterValid(String parameter) { |
| 121 | + return !StringUtils.isBlank(parameter); |
| 122 | + } |
| 123 | + |
| 124 | + private BidRequest enrichRequest(BidRequest request, String account, List<Imp> modifiedImps) { |
| 125 | + final ExtRequest ext = Optional.ofNullable(request.getExt()).orElse(ExtRequest.empty()); |
| 126 | + final ObjectNode bids = mapper.mapper().createObjectNode(); |
| 127 | + bids.put("pbs", 1); |
| 128 | + ext.addProperty("bids", bids); |
| 129 | + return request.toBuilder() |
| 130 | + .site(modifySite(request.getSite(), account)) |
| 131 | + .app(modifyApp(request.getApp(), account)) |
| 132 | + .imp(modifiedImps) |
| 133 | + .ext(ext) |
| 134 | + .build(); |
| 135 | + } |
| 136 | + |
| 137 | + private static Site modifySite(Site site, String account) { |
| 138 | + return account != null && site != null |
| 139 | + ? site.toBuilder() |
| 140 | + .publisher(modifyPublisher(site.getPublisher(), account)) |
| 141 | + .build() |
| 142 | + : site; |
| 143 | + } |
| 144 | + |
| 145 | + private static App modifyApp(App app, String account) { |
| 146 | + return account != null && app != null |
| 147 | + ? app.toBuilder() |
| 148 | + .publisher(modifyPublisher(app.getPublisher(), account)) |
| 149 | + .build() |
| 150 | + : app; |
| 151 | + } |
| 152 | + |
| 153 | + private static Publisher modifyPublisher(Publisher publisher, String account) { |
| 154 | + return publisher != null |
| 155 | + ? publisher.toBuilder().id(account).build() |
| 156 | + : Publisher.builder().id(account).build(); |
| 157 | + } |
| 158 | + |
| 159 | + @Override |
| 160 | + public final Result<List<BidderBid>> makeBids(BidderCall<BidRequest> httpCall, BidRequest bidRequest) { |
| 161 | + try { |
| 162 | + final BidResponse bidResponse = mapper.decodeValue(httpCall.getResponse().getBody(), BidResponse.class); |
| 163 | + return Result.of(extractBids(httpCall.getRequest().getPayload(), bidResponse), Collections.emptyList()); |
| 164 | + } catch (DecodeException | PreBidException e) { |
| 165 | + return Result.withError(BidderError.badServerResponse(e.getMessage())); |
| 166 | + } |
| 167 | + } |
| 168 | + |
| 169 | + private static List<BidderBid> extractBids(BidRequest bidRequest, BidResponse bidResponse) { |
| 170 | + if (bidResponse == null || CollectionUtils.isEmpty(bidResponse.getSeatbid())) { |
| 171 | + return Collections.emptyList(); |
| 172 | + } |
| 173 | + return bidsFromResponse(bidRequest, bidResponse); |
| 174 | + } |
| 175 | + |
| 176 | + private static List<BidderBid> bidsFromResponse(BidRequest bidRequest, BidResponse bidResponse) { |
| 177 | + return bidResponse.getSeatbid().stream() |
| 178 | + .filter(Objects::nonNull) |
| 179 | + .map(SeatBid::getBid) |
| 180 | + .filter(Objects::nonNull) |
| 181 | + .flatMap(Collection::stream) |
| 182 | + .map(bid -> BidderBid.of(bid, getBidType(bid.getImpid(), bidRequest.getImp()), bidResponse.getCur())) |
| 183 | + .collect(Collectors.toList()); |
| 184 | + } |
| 185 | + |
| 186 | + private static BidType getBidType(String impId, List<Imp> imps) { |
| 187 | + for (Imp imp : imps) { |
| 188 | + if (imp.getId().equals(impId)) { |
| 189 | + if (imp.getBanner() != null) { |
| 190 | + return BidType.banner; |
| 191 | + } else if (imp.getVideo() != null) { |
| 192 | + return BidType.video; |
| 193 | + } else if (imp.getAudio() != null) { |
| 194 | + return BidType.audio; |
| 195 | + } else if (imp.getXNative() != null) { |
| 196 | + return BidType.xNative; |
| 197 | + } |
| 198 | + } |
| 199 | + } |
| 200 | + return BidType.banner; |
| 201 | + } |
| 202 | +} |
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