Refactoring.

Author: And1sS

src/main/java/org/prebid/server/auction/ExchangeService.java

@@ -627,7 +627,7 @@ private User prepareUser(String bidder,
         final ExtUser extUser = user != null ? user.getExt() : null;
         final UpdateResult<String> buyerUidUpdateResult = uidUpdater.updateUid(bidder, context, aliases);
         final List<Eid> userEids = extractUserEids(user);
-        final List<Eid> allowedUserEids = resolveAllowedEids(userEids, bidder, eidPermissionHolder);
+        final List<Eid> allowedUserEids = eidPermissionHolder.resolveAllowedEids(userEids, bidder);
         final boolean shouldUpdateUserEids = allowedUserEids.size() != CollectionUtils.emptyIfNull(userEids).size();
         final boolean shouldCleanExtPrebid = extUser != null && extUser.getPrebid() != null;
         final boolean shouldCleanExtData = extUser != null && extUser.getData() != null && !useFirstPartyData;
@@ -667,13 +667,6 @@ private List<Eid> extractUserEids(User user) {
         return user != null ? user.getEids() : null;
     }
 
-    private List<Eid> resolveAllowedEids(List<Eid> userEids, String bidder, EidPermissionHolder eidPermissionHolder) {
-        return CollectionUtils.emptyIfNull(userEids)
-                .stream()
-                .filter(userEid -> eidPermissionHolder.isAllowed(userEid, bidder))
-                .toList();
-    }
-
     private List<AuctionParticipation> getAuctionParticipation(
             List<BidderPrivacyResult> bidderPrivacyResults,
             BidRequest bidRequest,

src/main/java/org/prebid/server/auction/model/EidPermissionHolder.java

@@ -38,7 +38,14 @@ public static EidPermissionHolder empty() {
         return EMPTY;
     }
 
-    public boolean isAllowed(Eid eid, String bidder) {
+    public List<Eid> resolveAllowedEids(List<Eid> userEids, String bidder) {
+        return CollectionUtils.emptyIfNull(userEids)
+                .stream()
+                .filter(userEid -> isAllowed(userEid, bidder))
+                .toList();
+    }
+
+    private boolean isAllowed(Eid eid, String bidder) {
         final Map<Integer, List<ExtRequestPrebidDataEidPermissions>> matchingRulesBySpecificity = eidPermissions
                 .stream()
                 .filter(rule -> isRuleMatched(eid, rule))