Ensure badges are in ordered collections

service/src/main/java/org/whispersystems/textsecuregcm/WhisperServerService.java

@@ -43,7 +43,6 @@ import java.util.Collections;
 import java.util.EnumSet;
 import java.util.List;
 import java.util.Optional;
-import java.util.Set;
 import java.util.concurrent.ArrayBlockingQueue;
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.ExecutorService;
@@ -296,7 +295,7 @@ public class WhisperServerService extends Application<WhisperServerConfiguration
     environment.getObjectMapper().setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.NONE);
     environment.getObjectMapper().setVisibility(PropertyAccessor.FIELD, JsonAutoDetect.Visibility.ANY);
 
-    ProfileBadgeConverter profileBadgeConverter = (acceptableLanguages, accountBadges) -> Set.of();  // TODO: Provide an actual implementation.
+    ProfileBadgeConverter profileBadgeConverter = (acceptableLanguages, accountBadges) -> List.of();  // TODO: Provide an actual implementation.
 
     JdbiFactory jdbiFactory = new JdbiFactory(DefaultNameStrategy.CHECK_EMPTY);
     Jdbi        accountJdbi = jdbiFactory.build(environment, config.getAccountsDatabaseConfiguration(), "accountdb");

service/src/main/java/org/whispersystems/textsecuregcm/badges/ConfiguredProfileBadgeConverter.java

@@ -14,7 +14,6 @@ import java.util.Map;
 import java.util.Objects;
 import java.util.ResourceBundle;
 import java.util.ResourceBundle.Control;
-import java.util.Set;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 import org.whispersystems.textsecuregcm.configuration.BadgeConfiguration;
@@ -50,11 +49,11 @@ public class ConfiguredProfileBadgeConverter implements ProfileBadgeConverter {
   }
 
   @Override
-  public Set<Badge> convert(
+  public List<Badge> convert(
       final List<Locale> acceptableLanguages,
-      final Set<AccountBadge> accountBadges) {
+      final List<AccountBadge> accountBadges) {
     if (accountBadges.isEmpty()) {
-      return Set.of();
+      return List.of();
     }
 
     final Instant now = clock.instant();
@@ -94,6 +93,6 @@ public class ConfiguredProfileBadgeConverter implements ProfileBadgeConverter {
         .map(accountBadge -> new Badge(knownBadges.get(accountBadge.getName()).getImageUrl(),
             resourceBundle.getString(accountBadge.getName() + "_name"),
             resourceBundle.getString(accountBadge.getName() + "_description")))
-        .collect(Collectors.toSet());
+        .collect(Collectors.toList());
   }
 }

service/src/main/java/org/whispersystems/textsecuregcm/badges/ProfileBadgeConverter.java

@@ -7,7 +7,6 @@ package org.whispersystems.textsecuregcm.badges;
 
 import java.util.List;
 import java.util.Locale;
-import java.util.Set;
 import org.whispersystems.textsecuregcm.entities.Badge;
 import org.whispersystems.textsecuregcm.storage.AccountBadge;
 
@@ -17,5 +16,5 @@ public interface ProfileBadgeConverter {
    * Converts the {@link AccountBadge}s for an account into the objects
    * that can be returned on a profile fetch.
    */
-  Set<Badge> convert(List<Locale> acceptableLanguages, Set<AccountBadge> accountBadges);
+  List<Badge> convert(List<Locale> acceptableLanguages, List<AccountBadge> accountBadges);
 }

service/src/main/java/org/whispersystems/textsecuregcm/controllers/ProfileController.java

@@ -326,7 +326,7 @@ public class ProfileController {
         UserCapabilities.createForAccount(accountProfile.get()),
         username,
         accountProfile.get().getUuid(),
-        Set.of(),
+        List.of(),
         null);
   }
 
@@ -399,7 +399,7 @@ public class ProfileController {
         UserCapabilities.createForAccount(accountProfile.get()),
         username.orElse(null),
         null,
-        Set.of(),
+        List.of(),
         null);
   }
 

service/src/main/java/org/whispersystems/textsecuregcm/entities/Profile.java

@@ -9,7 +9,7 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
 import com.google.common.annotations.VisibleForTesting;
-import java.util.Set;
+import java.util.List;
 import java.util.UUID;
 import org.signal.zkgroup.profiles.ProfileKeyCredentialResponse;
 
@@ -49,7 +49,7 @@ public class Profile {
   private UUID uuid;
 
   @JsonProperty
-  private Set<Badge> badges;
+  private List<Badge> badges;
 
   @JsonProperty
   @JsonSerialize(using = ProfileKeyCredentialResponseAdapter.Serializing.class)
@@ -61,7 +61,7 @@ public class Profile {
   public Profile(
       String name, String about, String aboutEmoji, String avatar, String paymentAddress, String identityKey,
       String unidentifiedAccess, boolean unrestrictedUnidentifiedAccess, UserCapabilities capabilities, String username,
-      UUID uuid, Set<Badge> badges, ProfileKeyCredentialResponse credential)
+      UUID uuid, List<Badge> badges, ProfileKeyCredentialResponse credential)
   {
     this.name = name;
     this.about = about;
@@ -130,7 +130,7 @@ public class Profile {
     return uuid;
   }
 
-  public Set<Badge> getBadges() {
+  public List<Badge> getBadges() {
     return badges;
   }
 }

service/src/main/java/org/whispersystems/textsecuregcm/storage/Account.java

@@ -10,7 +10,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.google.common.annotations.VisibleForTesting;
 import java.time.Clock;
 import java.time.Instant;
+import java.util.ArrayList;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Objects;
 import java.util.Optional;
 import java.util.Set;
@@ -49,7 +51,7 @@ public class Account {
   private String avatar;
 
   @JsonProperty
-  private Set<AccountBadge> badges = new HashSet<>();
+  private List<AccountBadge> badges = new ArrayList<>();
 
   @JsonProperty
   private String registrationLock;
@@ -313,7 +315,7 @@ public class Account {
     this.avatar = avatar;
   }
 
-  public Set<AccountBadge> getBadges() {
+  public List<AccountBadge> getBadges() {
     requireNotStale();
 
     return badges;