Spring models

Spring repositories

Author: T1GIT

src/main/java/attestation_2/hibernate/orms/tests/TestTests.java

@@ -21,9 +21,8 @@ public class StudentAnswer {
     @JoinColumn(name = "user_id", nullable = false)
     private User student;
 
-    @NotNull
     @OneToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "answer_id", nullable = false)
+    @JoinColumn(name = "answer_id")
     private Answer answer;
 
     public StudentAnswer() {}

src/main/java/attestation_2/hibernate/orms/tests/models/StudentAnswer.java

@@ -10,6 +10,6 @@
         <property name="hibernate.dialect">org.hibernate.dialect.PostgreSQL9Dialect</property>
         <property name="show_sql">true</property>
         <property name="connection_pool_size">100</property>
-        <property name="hbm2ddl.auto">none</property>
+        <property name="hbm2ddl.auto">create</property>
     </session-factory>
 </hibernate-configuration>

src/main/java/attestation_2/hibernate/orms/users_autos/TestUsersAutos.java

@@ -0,0 +1,95 @@
+package tests;
+
+
+import attestation_2.hibernate.orms.tests.services.RoleService;
+import attestation_2.hibernate.orms.tests.services.StudentAnswerService;
+import attestation_2.hibernate.orms.tests.services.TestListService;
+import attestation_2.hibernate.orms.tests.services.UserService;
+import attestation_2.hibernate.utils.HibernateSession;
+import org.hibernate.cfg.Configuration;
+import attestation_2.hibernate.orms.tests.models.*;
+
+public class MainTests {
+    private static void init() {
+        HibernateSession.setConf(new Configuration().configure("tests.cfg.xml")
+                .addAnnotatedClass(StudentAnswer.class)
+                .addAnnotatedClass(User.class)
+                .addAnnotatedClass(Group.class)
+                .addAnnotatedClass(Answer.class)
+                .addAnnotatedClass(TestList.class)
+                .addAnnotatedClass(Schedule.class)
+                .addAnnotatedClass(Question.class)
+                .addAnnotatedClass(Test.class)
+                .addAnnotatedClass(Role.class)
+                .addAnnotatedClass(Subject.class)
+        );
+    }
+
+    public static void main(String[] args) {
+        init();
+        // Task A
+        RoleService roleService = new RoleService();
+        UserService userService = new UserService();
+
+        Role teacherRole = new Role("Teacher");
+        roleService.saveRole(teacherRole);
+        Role studentRole = new Role("Student");
+        roleService.saveRole(studentRole);
+        for (int i = 0; i < 5; i++) {
+            User stud = new User("stud_" + i,
+                    "ln", "mn",
+                    "studLogin_" + i, "ph");
+            stud.setRole(studentRole);
+            userService.saveUser(stud);
+        }
+
+        for (int i = 0; i < 10; i++) {
+            User teach = new User("teach_" + i,
+                    "ln", "mn",
+                    "teachLogin_" + i, "ph");
+            teach.setRole(teacherRole);
+            userService.saveUser(teach);
+        }
+
+        TestListService testListService = new TestListService();
+        StudentAnswerService studentAnswerService = new StudentAnswerService();
+
+        for (User user: userService.findAllUsers()) {
+            if (user.getRole().getName().equals("Student")) {
+                TestList testList = new TestList("test_" + user.getFirstName());
+                testListService.saveTestList(testList);
+                StudentAnswer studentAnswer = new StudentAnswer();
+                studentAnswer.setStudent(user);
+                studentAnswer.setTestList(testList);
+                studentAnswerService.saveStudentAnswer(studentAnswer);
+            }
+        }
+
+        // Task B
+        System.out.println("Teachers:");
+        for (User user: userService.findAllUsers()) {
+            if (user.getRole().getId() == teacherRole.getId()) {
+                System.out.println(user);
+            }
+        }
+
+        // Task C
+        System.out.println("Students:");
+        for (User user: userService.findAllUsers()) {
+            if (user.getRole().getId() == studentRole.getId()) {
+                System.out.println(user);
+            }
+        }
+
+        // Task D
+        System.out.println("Students:");
+        for (User user: userService.findAllUsers()) {
+            if (user.getRole().getId() == studentRole.getId()) {
+                // Лень
+            }
+        }
+
+        // Task E
+        // Лень
+    }
+}

src/main/java/attestation_2/hibernate/resources/users_autos.cfg.xml

@@ -0,0 +1,32 @@
+package users_autos;
+
+import attestation_2.hibernate.orms.users_autos.services.AutoService;
+import attestation_2.hibernate.orms.users_autos.services.UserService;
+import attestation_2.hibernate.utils.HibernateSession;
+import org.hibernate.cfg.Configuration;
+import attestation_2.hibernate.orms.users_autos.models.*;
+
+
+public class MainUsersAutos {
+    private static void init() {
+        HibernateSession.setConf(new Configuration().configure("tests.cfg.xml")
+                .addAnnotatedClass(User.class)
+                .addAnnotatedClass(Auto.class)
+        );
+
+        UserService userService = new UserService();
+        AutoService autoService = new AutoService();
+
+        for (int i = 0; i < 10; i++) {
+            User user = new User("name_" + i, 18 + i);
+            userService.saveUser(user);
+            Auto auto = new Auto("model" + i, "green");
+            auto.setUser(user);
+            autoService.saveAuto(auto);
+        }
+    }
+
+    public static void main(String[] args) {
+        init();
+    }
+}

src/main/java/attestation_2/hibernate/tests/tests/MainTests.java

@@ -0,0 +1,55 @@
+package attestation_2.spring.controllers;
+
+import attestation_2.spring.exceptions.ResourceNotFoundException;
+import attestation_2.spring.models.Role;
+import attestation_2.spring.models.Role;
+import attestation_2.spring.repsoitories.RoleRepository;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import javax.validation.Valid;
+
+@RestController
+public class RoleController {
+    private final RoleRepository roleRepository;
+    
+    public RoleController(RoleRepository roleRepository) {
+        this.roleRepository = roleRepository;
+    }
+
+    @GetMapping("/roles")
+    public Page<Role> getRoles(Pageable pageable) {
+        return roleRepository.findAll(pageable);
+    }
+
+    @GetMapping("/roles/{roleId}")
+    public Role getRoles(@PathVariable int roleId) {
+        return roleRepository.findById(roleId)
+                .orElseThrow(() -> new ResourceNotFoundException("Role not found with id " + roleId));
+    }
+
+    @PostMapping("/roles")
+    public Role createRole(@Valid @RequestBody Role role) {
+        return roleRepository.save(role);
+    }
+
+    @PutMapping("/roles/{roleId}")
+    public Role updateRole(@PathVariable int roleId, @Valid @RequestBody Role roleRequest) {
+        return roleRepository.findById(roleId)
+                .map(role -> {
+                    role.setName(roleRequest.getName());
+                    return roleRepository.save(role);
+                }).orElseThrow(() -> new ResourceNotFoundException("Role not found with id " + roleId));
+    }
+
+    @DeleteMapping("/roles/{roleId}")
+    public ResponseEntity<?> deleteRole(@PathVariable int roleId) {
+        return roleRepository.findById(roleId)
+                .map(role -> {
+                    roleRepository.delete(role);
+                    return ResponseEntity.ok().build();
+                }).orElseThrow(() -> new ResourceNotFoundException("Role not found with id " + roleId));
+    }
+}

src/main/java/attestation_2/hibernate/tests/users_autos/MainUsersAutos.java

@@ -2,6 +2,7 @@
 
 import attestation_2.spring.utils.AuditModel;
 import com.fasterxml.jackson.annotation.JsonIgnore;
+import org.hibernate.annotations.GenericGenerator;
 import org.hibernate.annotations.OnDelete;
 import org.hibernate.annotations.OnDeleteAction;
 
@@ -14,7 +15,12 @@
 public class TestList extends AuditModel {
     @Id
     @NotNull
-    @GeneratedValue(strategy = GenerationType.AUTO)
+//    @GeneratedValue(    strategy = GenerationType.SEQUENCE,    generator = "pooled-lo")
+//    @GenericGenerator(    name = "pooled-lo",
+//            strategy = "sequence",    parameters = {
+//                    @Parameter(name = "sequence_name", value = "post_sequence"),
+//                    @Parameter(name = "initial_value", value = "1"),
+//                    @Parameter(name = "optimizer", value = "pooled-lo")    })
     private int id;
 
     @NotNull