fix(cache): evict clan cache after changes to entity/related entities

 Closes #812

src/main/java/com/faforever/api/data/domain/Clan.java

@@ -2,6 +2,7 @@
 
 import com.faforever.api.data.checks.IsEntityOwner;
 import com.faforever.api.data.checks.Prefab;
+import com.faforever.api.data.listeners.ClanChangeListener;
 import com.faforever.api.data.listeners.ClanEnricherListener;
 import com.faforever.api.data.validation.IsLeaderInClan;
 import com.yahoo.elide.annotation.ComputedAttribute;
@@ -34,7 +35,7 @@
 @CreatePermission(expression = Prefab.ALL)
 @Setter
 @IsLeaderInClan
-@EntityListeners(ClanEnricherListener.class)
+@EntityListeners({ClanEnricherListener.class, ClanChangeListener.class})
 public class Clan extends AbstractEntity<Clan> implements OwnableEntity {
 
   public static final String TYPE_NAME = "clan";

src/main/java/com/faforever/api/data/domain/ClanMembership.java

@@ -1,9 +1,13 @@
 package com.faforever.api.data.domain;
 
 import com.faforever.api.data.checks.IsClanMembershipDeletable;
+import com.faforever.api.data.listeners.ClanMembershipChangeListener;
 import com.yahoo.elide.annotation.DeletePermission;
 import com.yahoo.elide.annotation.Include;
 import com.yahoo.elide.annotation.UpdatePermission;
+
+import jakarta.persistence.EntityListeners;
+
 import lombok.Setter;
 
 import jakarta.persistence.Entity;
@@ -19,6 +23,7 @@
 @DeletePermission(expression = IsClanMembershipDeletable.EXPRESSION)
 @UpdatePermission(expression = IsClanMembershipDeletable.EXPRESSION)
 @Setter
+@EntityListeners(ClanMembershipChangeListener.class)
 public class ClanMembership extends AbstractEntity<ClanMembership> {
 
   private Clan clan;

src/main/java/com/faforever/api/data/listeners/ClanChangeListener.java

@@ -0,0 +1,22 @@
+package com.faforever.api.data.listeners;
+
+import com.faforever.api.data.domain.Clan;
+
+import jakarta.persistence.PostRemove;
+import jakarta.persistence.PostUpdate;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.cache.annotation.CacheEvict;
+import org.springframework.stereotype.Component;
+
+@Component
+@Slf4j
+public class ClanChangeListener {
+
+  @CacheEvict(cacheNames = Clan.TYPE_NAME, allEntries = true)
+  @PostUpdate
+  @PostRemove
+  public void clanChanged(Clan clan) {
+    log.debug("Clan cache evicted, due to change on Clan with id: {}", clan.getId());
+  }
+}

src/main/java/com/faforever/api/data/listeners/ClanMembershipChangeListener.java

@@ -0,0 +1,26 @@
+package com.faforever.api.data.listeners;
+
+import com.faforever.api.data.domain.Clan;
+import com.faforever.api.data.domain.ClanMembership;
+
+import jakarta.persistence.PostPersist;
+import jakarta.persistence.PostRemove;
+import jakarta.persistence.PostUpdate;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.cache.annotation.CacheEvict;
+import org.springframework.stereotype.Component;
+
+@Component
+@Slf4j
+public class ClanMembershipChangeListener {
+
+  @CacheEvict(cacheNames = Clan.TYPE_NAME, allEntries = true)
+  @PostUpdate
+  @PostRemove
+  @PostPersist
+  public void clanMembershipChanged(ClanMembership clanMembership) {
+    log.debug("Clan cache evicted, due to change on ClanMembership with id: {}",
+      clanMembership.getId());
+  }
+}