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Core: Bid Adjustments Feature (#3542)
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src/main/java/org/prebid/server/bidadjustments/BidAdjustmentRulesValidator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| package org.prebid.server.bidadjustments; | ||
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| import org.apache.commons.collections4.MapUtils; | ||
| import org.apache.commons.lang3.StringUtils; | ||
| import org.prebid.server.bidadjustments.model.BidAdjustmentType; | ||
| import org.prebid.server.proto.openrtb.ext.request.ExtRequestBidAdjustments; | ||
| import org.prebid.server.proto.openrtb.ext.request.ExtRequestBidAdjustmentsRule; | ||
| import org.prebid.server.proto.openrtb.ext.request.ImpMediaType; | ||
| import org.prebid.server.validation.ValidationException; | ||
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|
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| import java.math.BigDecimal; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
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| public class BidAdjustmentRulesValidator { | ||
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| public static final Set<String> SUPPORTED_MEDIA_TYPES = Set.of( | ||
| BidAdjustmentsResolver.WILDCARD, | ||
| ImpMediaType.banner.toString(), | ||
| ImpMediaType.audio.toString(), | ||
| ImpMediaType.video_instream.toString(), | ||
| ImpMediaType.video_outstream.toString(), | ||
| ImpMediaType.xNative.toString()); | ||
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| private BidAdjustmentRulesValidator() { | ||
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| } | ||
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| public static void validate(ExtRequestBidAdjustments bidAdjustments) throws ValidationException { | ||
| if (bidAdjustments == null) { | ||
| return; | ||
| } | ||
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| final Map<String, Map<String, Map<String, List<ExtRequestBidAdjustmentsRule>>>> mediatypes = | ||
| bidAdjustments.getMediatype(); | ||
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| if (MapUtils.isEmpty(mediatypes)) { | ||
| return; | ||
| } | ||
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| for (String mediatype : mediatypes.keySet()) { | ||
| if (SUPPORTED_MEDIA_TYPES.contains(mediatype)) { | ||
| final Map<String, Map<String, List<ExtRequestBidAdjustmentsRule>>> bidders = mediatypes.get(mediatype); | ||
| if (MapUtils.isEmpty(bidders)) { | ||
| throw new ValidationException("no bidders found in %s".formatted(mediatype)); | ||
| } | ||
| for (String bidder : bidders.keySet()) { | ||
| final Map<String, List<ExtRequestBidAdjustmentsRule>> deals = bidders.get(bidder); | ||
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| if (MapUtils.isEmpty(deals)) { | ||
| throw new ValidationException("no deals found in %s.%s".formatted(mediatype, bidder)); | ||
| } | ||
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| for (String dealId : deals.keySet()) { | ||
| final String path = "%s.%s.%s".formatted(mediatype, bidder, dealId); | ||
| validateRules(deals.get(dealId), path); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| private static void validateRules(List<ExtRequestBidAdjustmentsRule> rules, | ||
| String path) throws ValidationException { | ||
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| if (rules == null) { | ||
| throw new ValidationException("no bid adjustment rules found in %s".formatted(path)); | ||
| } | ||
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| for (ExtRequestBidAdjustmentsRule rule : rules) { | ||
| final BidAdjustmentType type = rule.getAdjType(); | ||
| final String currency = rule.getCurrency(); | ||
| final BigDecimal value = rule.getValue(); | ||
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| final boolean isNotSpecifiedCurrency = StringUtils.isBlank(currency); | ||
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| final boolean unknownType = type == null || type == BidAdjustmentType.UNKNOWN; | ||
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| final boolean invalidCpm = type == BidAdjustmentType.CPM | ||
| && (isNotSpecifiedCurrency || isValueNotInRange(value, 0, Integer.MAX_VALUE)); | ||
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| final boolean invalidMultiplier = type == BidAdjustmentType.MULTIPLIER | ||
| && isValueNotInRange(value, 0, 100); | ||
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| final boolean invalidStatic = type == BidAdjustmentType.STATIC | ||
| && (isNotSpecifiedCurrency || isValueNotInRange(value, 0, Integer.MAX_VALUE)); | ||
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| if (unknownType || invalidCpm || invalidMultiplier || invalidStatic) { | ||
| throw new ValidationException("the found rule %s in %s is invalid".formatted(rule, path)); | ||
| } | ||
| } | ||
| } | ||
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| private static boolean isValueNotInRange(BigDecimal value, int minValue, int maxValue) { | ||
| return value == null | ||
| || value.compareTo(BigDecimal.valueOf(minValue)) < 0 | ||
| || value.compareTo(BigDecimal.valueOf(maxValue)) >= 0; | ||
| } | ||
| } |
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