feat: Initial commit

src/main/java/ru/example/nto/App.java

@@ -0,0 +1,11 @@
+package ru.example.nto;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class App {
+    public static void main(String[] args) {
+        SpringApplication.run(App.class, args);
+    }
+}

src/main/java/ru/example/nto/controller/CodeController.java

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+package ru.example.nto.controller;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import ru.example.nto.service.DepartmentService;
+import ru.nto.security.Encoder;
+import ru.nto.security.EncoderApi;
+
+
+@RestController
+@RequestMapping("code")
+public class CodeController {
+    private final DepartmentService departmentService;
+    private final EncoderApi encoderApi = Encoder.create();
+
+    public CodeController(DepartmentService departmentService) {
+        this.departmentService = departmentService;
+    }
+
+    @GetMapping("/task1/{id}")
+    public int getTask1Code(@PathVariable long id) {
+        //Ответ: 1721890220 - (id % 100) * 17
+        return encoderApi.encode(null, id);
+    }
+
+    @GetMapping("/task2/{id}")
+    public int getTask2Code(@PathVariable long id) {
+        //Ответ: 951167143 - (id % 100) * 17
+        return encoderApi.encode(departmentService.getAll(), id);
+    }
+
+    @GetMapping("/task3/{id}")
+    public int getTask3Code(@PathVariable long id) {
+        //Ответ: 1650897291 - (id % 100) * 17
+        return encoderApi.encode(departmentService.getByName("Департамент аналитики"), id);
+    }
+}

src/main/java/ru/example/nto/controller/DepartmentController.java

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+package ru.example.nto.controller;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.*;
+import ru.example.nto.entity.Department;
+import ru.example.nto.service.DepartmentService;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("api/v1/department")
+public class DepartmentController {
+
+    private final DepartmentService departmentService;
+
+    public DepartmentController(DepartmentService departmentService) {
+        this.departmentService = departmentService;
+    }
+
+    @GetMapping
+    @ResponseStatus(code = HttpStatus.OK)
+    public List<Department> getAll() {
+        return departmentService.getAll();
+    }
+
+    @GetMapping("/{name}")
+    @ResponseStatus(HttpStatus.OK)
+    public Department getByName(@PathVariable String name) {
+        return departmentService.getByName(name);
+    }
+}

src/main/java/ru/example/nto/entity/Department.java

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+package ru.example.nto.entity;
+
+import jakarta.persistence.*;
+
+import java.util.Objects;
+
+@Entity
+@Table(name = "department")
+public class Department {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long id;
+
+    @Column(name = "name")
+    private String name;
+
+    public Department() {
+    }
+
+    public Department(long id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    @Override
+    public String toString() {
+        return "Department{" +
+                "id=" + id +
+                ", name='" + name + '\'' +
+                '}';
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (o == null || getClass() != o.getClass()) return false;
+        Department that = (Department) o;
+        return id == that.id && Objects.equals(name, that.name);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id, name);
+    }
+}

src/main/java/ru/example/nto/exception/DepartmentNotFoundException.java

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+package ru.example.nto.exception;
+
+public class DepartmentNotFoundException extends RuntimeException {
+    public DepartmentNotFoundException(String msg) {
+        super(msg);
+    }
+}

src/main/java/ru/example/nto/repository/DepartmentRepository.java

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+package ru.example.nto.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import ru.example.nto.entity.Department;
+
+import java.util.Optional;
+
+public interface DepartmentRepository extends JpaRepository<Department, Long> {
+    Optional<Department> findByName(String name);
+}

src/main/java/ru/example/nto/service/DepartmentService.java

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+package ru.example.nto.service;
+
+import ru.example.nto.entity.Department;
+
+import java.util.List;
+
+public interface DepartmentService {
+    List<Department> getAll();
+
+    Department getByName(String name);
+}

src/main/java/ru/example/nto/service/impl/DepartmentServiceImpl.java

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+package ru.example.nto.service.impl;
+
+import org.springframework.stereotype.Service;
+import ru.example.nto.entity.Department;
+import ru.example.nto.exception.DepartmentNotFoundException;
+import ru.example.nto.repository.DepartmentRepository;
+import ru.example.nto.service.DepartmentService;
+
+import java.util.List;
+
+@Service
+public class DepartmentServiceImpl implements DepartmentService {
+
+    private final DepartmentRepository departmentRepository;
+
+    public DepartmentServiceImpl(DepartmentRepository departmentRepository) {
+        this.departmentRepository = departmentRepository;
+    }
+
+    @Override
+    public List<Department> getAll() {
+        return departmentRepository.findAll();
+    }
+
+    @Override
+    public Department getByName(String name) {
+        return departmentRepository.findByName(name)
+                .orElseThrow(() -> new DepartmentNotFoundException("Department " + name + " not found!"));
+    }
+}