implementation usecase: dataModel and controller

Author: KydoDev

UTILS.md

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+# Link:
+https://docs.spring.io/
+https://docs.spring.io/spring-security/
+https://www.tutorialspoint.com/postgresql/

src/main/java/com/skia/lab/controllers/usecase/EmployeeController.java

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+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import com.skia.lab.models.usecase.Employee;
+import com.skia.lab.repository.usecase.EmployeeRepository;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/employees")
+public class EmployeeController {
+
+
+    @Autowired
+    EmployeeRepository employeeRepository;
+
+    @Autowired
+    public EmployeeController(EmployeeRepository employeeRepository) {
+        this.employeeRepository = employeeRepository;
+    }
+
+    @PostMapping
+    public ResponseEntity<Employee> createEmployee(@RequestBody Employee employee) {
+        Employee createdEmployee = employeeRepository.createEmployee(employee);
+        return ResponseEntity.status(HttpStatus.CREATED).body(createdEmployee);
+    }
+
+    @GetMapping("/{id}")
+    public ResponseEntity<Employee> getEmployee(@PathVariable Long id) {
+        Employee employee = employeeRepository.getEmployee(id);
+        if (employee != null) {
+            return ResponseEntity.ok(employee);
+        } else {
+            return ResponseEntity.notFound().build();
+        }
+    }
+
+    @GetMapping
+    public ResponseEntity<List<Employee>> getAllEmployees() {
+        List<Employee> employees = employeeRepository.getAllEmployees();
+        return ResponseEntity.ok(employees);
+    }
+
+    @PutMapping("/{id}")
+    public ResponseEntity<Employee> updateEmployee(@PathVariable Long id, @RequestBody Employee employee) {
+        Employee updatedEmployee = employeeRepository.updateEmployee(id, employee);
+        if (updatedEmployee != null) {
+            return ResponseEntity.ok(updatedEmployee);
+        } else {
+            return ResponseEntity.notFound().build();
+        }
+    }
+
+    @DeleteMapping("/{id}")
+    public ResponseEntity<Void> deleteEmployee(@PathVariable Long id) {
+        boolean deleted = employeeRepository.deleteEmployee(id);
+        if (deleted) {
+            return ResponseEntity.noContent().build();
+        } else {
+            return ResponseEntity.notFound().build();
+        }
+    }
+
+    @GetMapping("/search")
+    public ResponseEntity<List<Employee>> findEmployees(@RequestParam String query) {
+        List<Employee> employees = employeeRepository.findEmployees(query);
+        return ResponseEntity.ok(employees);
+    }
+}

src/main/java/com/skia/lab/models/usecase/Attendance.java

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+package com.skia.lab.models.usecase;
+
+import java.time.LocalDate;
+import java.time.LocalTime;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
+
+
+@Entity
+@Table(name = "attendances")
+public class Attendance {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private LocalDate date;
+
+    @Column(name = "entry_time")
+    private LocalTime entryTime;
+
+    @Column(name = "exit_time")
+    private LocalTime exitTime;
+
+    @Column(name = "absence_type")
+    private String absenceType;
+
+    // Relationships
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "employee_id")
+    private Employee employee;
+
+    // Constructors
+
+    // Getters and Setters
+
+    // Other methods (if needed)
+
+    /**
+     * @return Long return the id
+     */
+    public Long getId() {
+        return id;
+    }
+
+    /**
+     * @param id the id to set
+     */
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    /**
+     * @return LocalDate return the date
+     */
+    public LocalDate getDate() {
+        return date;
+    }
+
+    /**
+     * @param date the date to set
+     */
+    public void setDate(LocalDate date) {
+        this.date = date;
+    }
+
+    /**
+     * @return LocalTime return the entryTime
+     */
+    public LocalTime getEntryTime() {
+        return entryTime;
+    }
+
+    /**
+     * @param entryTime the entryTime to set
+     */
+    public void setEntryTime(LocalTime entryTime) {
+        this.entryTime = entryTime;
+    }
+
+    /**
+     * @return LocalTime return the exitTime
+     */
+    public LocalTime getExitTime() {
+        return exitTime;
+    }
+
+    /**
+     * @param exitTime the exitTime to set
+     */
+    public void setExitTime(LocalTime exitTime) {
+        this.exitTime = exitTime;
+    }
+
+    /**
+     * @return String return the absenceType
+     */
+    public String getAbsenceType() {
+        return absenceType;
+    }
+
+    /**
+     * @param absenceType the absenceType to set
+     */
+    public void setAbsenceType(String absenceType) {
+        this.absenceType = absenceType;
+    }
+
+    /**
+     * @return Employee return the employee
+     */
+    public Employee getEmployee() {
+        return employee;
+    }
+
+    /**
+     * @param employee the employee to set
+     */
+    public void setEmployee(Employee employee) {
+        this.employee = employee;
+    }
+
+}

src/main/java/com/skia/lab/models/usecase/Department.java

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+package com.skia.lab.models.usecase;
+
+
+import java.util.List;
+
+import jakarta.persistence.*;
+
+@Entity
+@Table(name = "departments")
+public class Department {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+    
+    private String name;
+    
+    // Relationships
+    @OneToMany(mappedBy = "department", cascade = CascadeType.ALL, orphanRemoval = true)
+    private List<Employee> employees;
+    
+    // Getters and Setters
+    
+    /**
+     * @return Long return the id
+     */
+    public Long getId() {
+        return id;
+    }
+
+    /**
+     * @param id the id to set
+     */
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    /**
+     * @return String return the name
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * @param name the name to set
+     */
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    /**
+     * @return List<Employee> return the employees
+     */
+    public List<Employee> getEmployees() {
+        return employees;
+    }
+
+    /**
+     * @param employees the employees to set
+     */
+    public void setEmployees(List<Employee> employees) {
+        this.employees = employees;
+    }
+
+}
+

src/main/java/com/skia/lab/models/usecase/Employee.java

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+package com.skia.lab.models.usecase;
+
+import java.time.LocalDate;
+
+import jakarta.persistence.*;
+
+@Entity
+@Table(name = "employees")
+public class Employee {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+    
+    private String firstName;
+    private String lastName;
+    private LocalDate birthDate;
+    private String address;
+    private String phoneNumber;
+    private String email;
+    
+    // Relationships
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "department_id")
+    private Department department;
+    
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "manager_id")
+    private Employee manager;
+    
+// Getters and Setters
+    
+public Long getId() {
+    return id;
+}
+
+public void setId(Long id) {
+    this.id = id;
+}
+
+public String getFirstName() {
+    return firstName;
+}
+
+public void setFirstName(String firstName) {
+    this.firstName = firstName;
+}
+
+public String getLastName() {
+    return lastName;
+}
+
+public void setLastName(String lastName) {
+    this.lastName = lastName;
+}
+
+public LocalDate getBirthDate() {
+    return birthDate;
+}
+
+public void setBirthDate(LocalDate birthDate) {
+    this.birthDate = birthDate;
+}
+
+public String getAddress() {
+    return address;
+}
+
+public void setAddress(String address) {
+    this.address = address;
+}
+
+public String getPhoneNumber() {
+    return phoneNumber;
+}
+
+public void setPhoneNumber(String phoneNumber) {
+    this.phoneNumber = phoneNumber;
+}
+
+public String getEmail() {
+    return email;
+}
+
+public void setEmail(String email) {
+    this.email = email;
+}
+
+public Department getDepartment() {
+    return department;
+}
+
+public void setDepartment(Department department) {
+    this.department = department;
+}
+
+public Employee getManager() {
+    return manager;
+}
+
+public void setManager(Employee manager) {
+    this.manager = manager;
+}
+}