Remove extend from ReportDao and add missing visibility to methods

src/main/java/cz/fi/muni/pa165/seminar4/group7/secretservice/dao/ReportDao.java

-package cz.fi.muni.pa165.seminar4.group7.secretservice.dao;
+package java.cz.fi.muni.pa165.seminar4.group7.secretservice.dao;
 
 import cz.fi.muni.pa165.seminar4.group7.secretservice.entity.Report;
 import org.springframework.data.repository.CrudRepository;
 
+import java.util.List;
+
 /**
  * @author Jan Smejkal
  */
-public interface ReportDao extends CrudRepository<Report, Long> {
+public interface ReportDao {
+
     void create(Report report);
 
     List<Report> findAll();

src/main/java/cz/fi/muni/pa165/seminar4/group7/secretservice/dao/ReportDaoImpl.java

-package cz.fi.muni.pa165.seminar4.group7.secretservice.dao;
+package java.cz.fi.muni.pa165.seminar4.group7.secretservice.dao;
 
 import cz.fi.muni.pa165.seminar4.group7.secretservice.entity.Report;
 import org.springframework.data.repository.CrudRepository;
@@ -18,28 +18,27 @@ public class ReportDaoImpl implements ReportDao {
     @PersistenceContext
     private EntityManager em;
 
-    public AgentDaoImpl(EntityManager em) {
+    public ReportDaoImpl(EntityManager em) {
         this.em = em;
     }
+
     @Override
-    void create(Report report) {
+    public void create(Report report) {
         em.persist(report);
     }
 
     @Override
-    List<Report> findAll() {
+    public List<Report> findAll() {
         return em.createQuery("select r from Report r", Report.class).getResultList();
     }
 
     @Override
-    Report findById(long id) {
-        return em.createQuery("select p from Product p where name = :name", Product.class)
-                .setParameter("name", name)
-                .getResultList();
+    public Report findById(long id) {
+        return em.find(Report.class, id);
     }
 
     @Override
-    void remove(Report report) {
+    public void remove(Report report) {
         em.remove(report);
     }