Add rule count in policies (API)

src/main/java/onl/netfishers/netshot/compliance/Policy.java

@@ -28,6 +28,7 @@
 import javax.persistence.Id;
 import javax.persistence.ManyToMany;
 import javax.persistence.OneToMany;
+import javax.persistence.Transient;
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlAttribute;
@@ -111,6 +112,12 @@ public void addRule(Rule rule) {
 		rule.setPolicy(this);
 	}
 
+	@XmlElement
+	@Transient
+	public int getRuleCount() {
+		return this.rules.size();
+	}
+
 	/**
 	 * Check all devices of the target groups against the policy.
 	 *

src/main/java/onl/netfishers/netshot/rest/RestService.java

@@ -4158,8 +4158,9 @@ public List<Policy> getPolicies(@BeanParam PaginationParams paginationParams) th
 		log.debug("REST request, get policies.");
 		Session session = Database.getSession(true);
 		try {
+			// Join p.rules to get rule count... not optimal
 			Query<Policy> query = session
-				.createQuery("from Policy p left join fetch p.targetGroups", Policy.class);
+				.createQuery("select distinct p from Policy p left join fetch p.targetGroups left join fetch p.rules", Policy.class);
 			paginationParams.apply(query);
 			return query.list();
 		}