#120 add methods for checking unique title and date of grant

src/main/java/ru/ulstu/deadline/repository/DeadlineRepository.java

@@ -2,8 +2,15 @@ package ru.ulstu.deadline.repository;
 
 
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
 import ru.ulstu.deadline.model.Deadline;
 
+import java.util.Date;
+
 public interface DeadlineRepository extends JpaRepository<Deadline, Integer> {
 
+    @Query(
+            value = "SELECT date FROM Deadline d WHERE (d.grant_id = ?1) AND (d.date = ?2)",
+            nativeQuery = true)
+    Date findByGrantIdAndDate(Integer grant_id, Date date);
 }

src/main/java/ru/ulstu/deadline/service/DeadlineService.java

@@ -5,6 +5,7 @@ import org.springframework.transaction.annotation.Transactional;
 import ru.ulstu.deadline.model.Deadline;
 import ru.ulstu.deadline.repository.DeadlineRepository;
 
+import java.util.Date;
 import java.util.List;
 import java.util.stream.Collectors;
 
@@ -46,4 +47,8 @@ public class DeadlineService {
     public void remove(Integer deadlineId) {
         deadlineRepository.delete(deadlineId);
     }
+
+    public Date findByGrantIdAndDate(Integer id, Date date) {
+        return deadlineRepository.findByGrantIdAndDate(id, date);
+    }
 }

src/main/java/ru/ulstu/grant/repository/GrantRepository.java

@@ -12,6 +12,8 @@ public interface GrantRepository extends JpaRepository<Grant, Integer>, BaseRepo
 
     List<Grant> findByStatus(Grant.GrantStatus status);
 
+    Grant findByTitle(String title);
+
     @Override
     @Query("SELECT title FROM Grant g WHERE (g.title = :name) AND (:id IS NULL OR g.id != :id) ")
     String findByNameAndNotId(@Param("name") String name, @Param("id") Integer id);

src/main/java/ru/ulstu/name/BaseService.java

@@ -13,4 +13,11 @@ public abstract class BaseService {
             errors.rejectValue(checkField, "errorCode", errorMessage);
         }
     }
+
+    public String checkUniqueName(NameContainer nameContainer, Integer id) {
+        if (nameContainer.getName().equals(baseRepository.findByNameAndNotId(nameContainer.getName(), id))) {
+            return baseRepository.findByNameAndNotId(nameContainer.getName(), id);
+        }
+        return null;
+    }
 }