Added getting sorted students

buisnesslogic/src/main/java/com/plannaplan/repositories/UserRepository.java

@@ -35,13 +35,13 @@ import org.springframework.stereotype.Repository;
 
 @Repository
 public interface UserRepository extends JpaRepository<User, Long> {
-    @Query("FROM User WHERE email = ?1 OR usosId = ?1")
     /**
      * return user by given authority
      * 
      * @param authority user usosId or email
      * @return optional with user if found
      */
+    @Query("FROM User WHERE email = ?1 OR usosId = ?1")
     Optional<User> getByAuthority(@Param("authority") String authority);
 
     @Query("FROM User WHERE email = ?1")
@@ -56,7 +56,6 @@ public interface UserRepository extends JpaRepository<User, Long> {
     @Query("FROM User WHERE (name LIKE %?1% OR surname LIKE %?1%)")
     List<User> searchForUsers(@Param("query") String query);
 
-    @Query("FROM User WHERE (name LIKE %?1% OR surname LIKE %?1%) AND role=?2")
     /**
      * search for user with given query
      * 
@@ -64,6 +63,7 @@ public interface UserRepository extends JpaRepository<User, Long> {
      * @param role  limits results by role
      * @return list opf results
      */
+    @Query("FROM User WHERE (name LIKE %?1% OR surname LIKE %?1%) AND role=?2")
     List<User> searchForUsers(@Param("query") String query, @Param("role") UserRoles role);
 
     @Query("FROM User WHERE role=?1")

buisnesslogic/src/main/java/com/plannaplan/services/AssignmentService.java

@@ -5,13 +5,15 @@ import java.util.Optional;
 
 import com.plannaplan.entities.Assignment;
 import com.plannaplan.entities.Commision;
+import com.plannaplan.entities.User;
 import com.plannaplan.repositories.AssignmentRepository;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 /**
- *  Service of Assignment which can save assignments, diplay assignments, get ammount of assigments.
+ * Service of Assignment which can save assignments, diplay assignments, get
+ * ammount of assigments.
  */
 
 @Service
@@ -19,11 +21,15 @@ public class AssignmentService {
     @Autowired
     private AssignmentRepository repo;
 
+    @Autowired
+    private UserService userService;
+
     public AssignmentService() {
     }
 
     /**
      * Save given assignment
+     * 
      * @param assignment assignment to save
      * @return assignment saved assignment with database id
      */
@@ -32,16 +38,14 @@ public class AssignmentService {
     }
 
     /*
-     * getCommisionAssignments
+     * getCommisionAssignments Return id of the commision
-     * Return id of the commision
      */
     public List<Assignment> getCommisionAssignments(Commision com) {
         return this.repo.getByCommision(com.getId());
     }
 
     /*
-     * getAssignmentsAmmount
+     * getAssignmentsAmmount Return count assignments ammount
-     * Return count assignments ammount
      */
     public long getAssignmentsAmmount() {
         return this.repo.count();
@@ -49,10 +53,19 @@ public class AssignmentService {
 
     /**
      * Get assigmnent by id
+     * 
      * @param id id of assigmnent
      * @return Optional of assignment
      */
     public Optional<Assignment> getById(Long id) {
         return this.repo.findById(id);
     }
+
+    public void callAcceptAlgorythm() {
+        final List<User> students = this.userService.getStudentsSortedByRanking();
+
+        students.forEach(e -> {
+            System.out.println(e.getRanking());
+        });
+    }
 }

buisnesslogic/src/main/java/com/plannaplan/services/UserService.java

@@ -3,6 +3,7 @@ package com.plannaplan.services;
 import java.util.List;
 import java.util.Optional;
 import java.util.UUID;
+import java.util.stream.Collectors;
 
 import com.plannaplan.entities.User;
 import com.plannaplan.exceptions.UserNotFoundException;
@@ -153,4 +154,15 @@ public class UserService {
         return this.repo.getAllByRole(UserRoles.ADMIN).size() > 0;
     }
 
+    /**
+     * get students sorted by their ranking
+     * 
+     * @return list of students
+     */
+    public List<User> getStudentsSortedByRanking() {
+        return this.repo.getAllByRole(UserRoles.STUDENT).stream().sorted((u1, u2) -> {
+            return -1 * u1.getRanking().compareTo(u2.getRanking());
+        }).collect(Collectors.toList());
+    }
+
 }

buisnesslogic/src/test/java/com/plannaplan/services/AssignmentServiceTest.java

@@ -2,12 +2,19 @@ package com.plannaplan.services;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.annotation.DirtiesContext.MethodMode;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit4.SpringRunner;
 
 import static org.junit.Assert.assertTrue;
 
 import java.util.List;
+import java.util.Random;
+import java.util.UUID;
+import java.util.stream.IntStream;
+
+import javax.management.relation.Role;
 
 import com.plannaplan.entities.Assignment;
 import com.plannaplan.entities.Commision;
@@ -56,6 +63,19 @@ public class AssignmentServiceTest {
         assertTrue("Returned list size should be 1", response.size() == 1);
     }
 
+    @Test
+    @DirtiesContext(methodMode = MethodMode.BEFORE_METHOD)
+    public void shouldPerformAcceptAlgorythm() {
+        final Random generator = new Random();
+        IntStream.range(0, 1700).forEach(i -> {
+            this.userService.save(new User(null, null,
+                    "shouldPerformAcceptAlgorythm-" + UUID.randomUUID().toString() + "@AssignmentService.test", null,
+                    UserRoles.STUDENT, generator.nextInt(400) + 100));
+        });
+        this.service.callAcceptAlgorythm();
+        System.out.println("-X_-x-x-x-_X-x-x-x-X_-x-x-x-");
+    }
+
     private void addAssignmentToCommision(Commision com) {
         Assignment a = new Assignment(null, com);
         this.service.save(a);