Standardized code and Enhance coding style

emp_backend/pom.xml

@@ -44,7 +44,12 @@
 		</dependency>
 
 
-
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<scope>provided</scope>
+		</dependency>
+
 
 		 <dependency>
         <groupId>javax.persistence</groupId>

emp_backend/src/main/java/com/example/demo/adminModel/adminModel.java

@@ -8,20 +8,22 @@
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
 import jakarta.persistence.Table;
-
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import lombok.ToString;
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+@ToString
 @Entity
 @Table(name="admin")
 public class adminModel {
 
 
-	public adminModel() {}
-
 
-	public adminModel(String adminName, String adminPassword) {
-		super();
-		this.adminName = adminName;
-		this.adminPassword = adminPassword;
-	}
 
 
 	@Id
@@ -37,24 +39,6 @@ public adminModel(String adminName, String adminPassword) {
 
 
 
-	public long getAdminID() {
-		return adminID;
-	}
-	public void setAdminID(long adminID) {
-		this.adminID = adminID;
-	}
-	public String getAdminName() {
-		return adminName;
-	}
-	public void setAdminName(String adminName) {
-		this.adminName = adminName;
-	}
-	public String getAdminPassword() {
-		return adminPassword;
-	}
-	public void setAdminPassword(String adminPassword) {
-		this.adminPassword = adminPassword;
-	}
 
 
 

emp_backend/src/main/java/com/example/demo/controller/EmployeeController.java

@@ -1,6 +1,6 @@
 package com.example.demo.controller;
 
-import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.CrossOrigin;
 import org.springframework.web.bind.annotation.DeleteMapping;
@@ -12,95 +12,63 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
-import com.example.demo.exception.ResourceNotFoundException;
+import com.example.demo.dto.EmployeeDto;
 import com.example.demo.model.Employee;
-import com.example.demo.repository.EmployeeRepository;
+import com.example.demo.service.EmployeeService;
+
+import lombok.RequiredArgsConstructor;
 
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+@RequiredArgsConstructor
 @RestController
 @RequestMapping("/api/v1/")
 public class EmployeeController {
 
-	@Autowired
-	private EmployeeRepository employeeRepository;
-
-	//get all data
+	private final EmployeeService employeeService;
+
+	// get all data
 	@CrossOrigin(origins = "http://localhost:4200")
 	@GetMapping("/employees")
-	public List <Employee> getAllEmployees(){
-		return employeeRepository.findAll();
-	}  
-
-
-
-	//create 
+	public List<Employee> getAllEmployees() {
+		return employeeService.findAllEmployee();
+	}
+
+	// create
 	@CrossOrigin(origins = "http://localhost:4200")
 	@PostMapping("/employees")
-	public Employee createEmployee(@RequestBody Employee employee)
+	public Employee createEmployee(@RequestBody EmployeeDto employee)
+
 	{
-		return employeeRepository.save(employee);
+		return employeeService.addEmployee(employee);
 	}
-
-
-	// get data by id 
+
+	// get data by id
 	@CrossOrigin(origins = "http://localhost:4200")
 	@GetMapping("/employees/{id}")
 	public ResponseEntity<Employee> getByID(@PathVariable Long id) {
-		Employee employee = employeeRepository.findById(id).
-				orElseThrow(()-> new ResourceNotFoundException("Employee with id "+id+"does not exists"));
-		return ResponseEntity.ok(employee);
+		return new ResponseEntity<>(employeeService.getEmployeeById(id), HttpStatus.OK);
+
 	}
-
-
-	//update data 
+
+	// update data
 	@CrossOrigin(origins = "http://localhost:4200")
-	@PutMapping ("/employees/{id}")
-	public ResponseEntity<Employee> updateEmployeeByID(@PathVariable Long id, @RequestBody Employee employeeDetails){
-		Employee employee = employeeRepository.findById(id).
-				orElseThrow(()-> new ResourceNotFoundException("Employee with id "+id+"does not exists"));
-
-
-		employee.setFname(employeeDetails.getFname());
-		employee.setLname(employeeDetails.getLname());
-		employee.setEmail(employeeDetails.getEmail());
-		employee.setDepartment(employeeDetails.getDepartment());
-		employee.setDesignation(employeeDetails.getDesignation());
-		employee.setJoiningDate(employeeDetails.getJoiningDate());
-		employee.setSalary(employeeDetails.getSalary());
-
-		Employee updatedEmployee=employeeRepository.save(employee);
-
-		return ResponseEntity.ok(updatedEmployee);
-}
-
-
-
+	@PutMapping("/employees/{id}")
+	public ResponseEntity<Employee> updateEmployeeByID(@PathVariable Long id,
+			@RequestBody EmployeeDto employeeDetails) {
+		return new ResponseEntity<>(employeeService.updateEmployee(id, employeeDetails), HttpStatus.OK);
+	}
+
 	@CrossOrigin(origins = "http://localhost:4200")
 	@DeleteMapping("/employees/{id}")
-	public ResponseEntity <Map<String, Boolean> >deleteEmployee(@PathVariable Long id){
-
-
-		Employee employee = employeeRepository.findById(id).
-				orElseThrow(()-> new ResourceNotFoundException("Employee with id "+id+"does not exists"));
-
-		employeeRepository.delete(employee);
-
-		Map<String, Boolean>  response = new HashMap<>();
+	public ResponseEntity<Map<String, Boolean>> deleteEmployee(@PathVariable Long id) {
+		employeeService.deleteEmployee(id);
+		Map<String, Boolean> response = new HashMap<>();
 		response.put("Deleted", Boolean.TRUE);
-		return ResponseEntity.ok(response);
-
-}
-
-
-
-
-
-
-
-
-
-
+		return new ResponseEntity<>(response,HttpStatus.OK);
+
+	}
+
 }

emp_backend/src/main/java/com/example/demo/dto/EmployeeDto.java

@@ -0,0 +1,36 @@
+package com.example.demo.dto;
+
+import java.time.LocalDate;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import lombok.ToString;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+@ToString
+@Builder
+public class EmployeeDto {
+
+
+	private long id;
+
+	private String fname;
+
+	private String lname;
+
+	private String email;
+
+	private long salary;
+
+	private String department;
+
+	private String designation;
+
+	private LocalDate joiningDate;
+}

emp_backend/src/main/java/com/example/demo/model/Employee.java

@@ -5,28 +5,27 @@
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
 import jakarta.persistence.Table;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import lombok.ToString;
 import jakarta.persistence.Column;
 
 
-
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+@ToString
+@Builder
 @Entity 
 @Table(name="employees_table")
 public class Employee {
 
 
-	public Employee() {}
 
-	public Employee(String fname, String lname, String email, long salary, String department, String designation,
-			LocalDate joiningDate) {
-		super();
-		this.fname = fname;
-		this.lname = lname;
-		this.email = email;
-		this.salary = salary;
-		this.department = department;
-		this.designation = designation;
-		this.joiningDate = joiningDate;
-	}
 
 	@Id
 	@GeneratedValue(strategy = GenerationType.IDENTITY)
@@ -53,54 +52,7 @@ public Employee(String fname, String lname, String email, long salary, String de
 	@Column(name="jd")
 	private LocalDate joiningDate;
 
-	public long getId() {
-		return id;
-	}
-	public void setId(long id) {
-		this.id = id;
-	}
-	public String getFname() {
-		return fname;
-	}
-	public void setFname(String fname) {
-		this.fname = fname;
-	}
-	public String getLname() {
-		return lname;
-	}
-	public void setLname(String lname) {
-		this.lname = lname;
-	}
-	public String getEmail() {
-		return email;
-	}
-	public void setEmail(String email) {
-		this.email = email;
-	}
-	public long getSalary() {
-		return salary;
-	}
-	public void setSalary(long salary) {
-		this.salary = salary;
-	}
-	public String getDepartment() {
-		return department;
-	}
-	public void setDepartment(String department) {
-		this.department = department;
-	}
-	public String getDesignation() {
-		return designation;
-	}
-	public void setDesignation(String designation) {
-		this.designation = designation;
-	}
-	public LocalDate getJoiningDate() {
-		return joiningDate;
-	}
-	public void setJoiningDate(LocalDate joiningDate) {
-		this.joiningDate = joiningDate;
-	}
+
 
 
 

emp_backend/src/main/java/com/example/demo/service/EmployeeService.java

@@ -0,0 +1,21 @@
+package com.example.demo.service;
+
+import java.util.List;
+
+import com.example.demo.dto.EmployeeDto;
+import com.example.demo.model.Employee;
+
+public interface EmployeeService {
+
+	List<Employee> findAllEmployee();
+
+	Employee addEmployee(EmployeeDto employee);
+
+	Employee updateEmployee(Long id, EmployeeDto employeeDetails);
+
+	Employee getEmployeeById(Long id);
+
+	Employee deleteEmployee(Long id);
+
+
+}