Loan.java

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package com.student_loan.model;
 
import jakarta.persistence.*;
import java.util.Date;
 
@Entity
@Table(name = "loans")
public class Loan {
 
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;
 
    @Column(name = "lender_id", nullable = false)
    private Long lender;
 
    @Column(name = "borrower_id", nullable = false)
    private Long borrower;
 
    @Column(name = "item_id", nullable = false)
    private Long item;
 
    @Temporal(TemporalType.DATE)
    @Column(name = "loan_date", nullable = false)
    private Date loanDate;
 
    @Temporal(TemporalType.DATE)
    @Column(name = "estimated_return_date")
    private Date estimatedReturnDate;
 
    @Temporal(TemporalType.DATE)
    @Column(name = "real_return_date")
    private Date realReturnDate;
 
    @Enumerated(EnumType.STRING)
    @Column(name = "loan_status", nullable = false)
    private Status loanStatus;
 
    @Column(name = "rating")
    private Double rating;
 
    private String observations;
 
    public enum Status {
        IN_USE, RETURNED, DELAYED, LOST
    }
 
    public Loan() {
    }
 
    public Loan(Long id, Long lender, Long borrower, Long item, Date loanDate, Date estimatedReturnDate, Date realReturnDate, Status loanStatus, Double rating, String observations) {
        this.id = id;
        this.lender = lender;
        this.borrower = borrower;
        this.item = item;
        this.loanDate = loanDate;
        this.estimatedReturnDate = estimatedReturnDate;
        this.realReturnDate = realReturnDate;
        this.loanStatus = loanStatus;
        this.rating = rating;
        this.observations = observations;
    }
 
    public Long getId() {
        return id;
    }
 
    public void setId(Long id) {
        this.id = id;
    }
 
    public Long getLender() {
        return lender;
    }
 
    public void setLender(Long lender) {
        this.lender = lender;
    }
 
    public Long getBorrower() {
        return borrower;
    }
 
    public void setBorrower(Long borrower) {
        this.borrower = borrower;
    }
 
    public Long getItem() {
        return item;
    }
 
    public void setItem(Long item) {
        this.item = item;
    }
 
    public Date getLoanDate() {
        return loanDate;
    }
 
    public void setLoanDate(Date loanDate) {
        this.loanDate = loanDate;
    }
 
    public Date getEstimatedReturnDate() {
        if (estimatedReturnDate == null) {
                        return new Date();
        }
        return estimatedReturnDate;
    }
 
    public void setEstimatedReturnDate(Date estimatedReturnDate) {
        this.estimatedReturnDate = estimatedReturnDate;
    }
 
    public Date getRealReturnDate() {
        if (realReturnDate == null) {
            return new Date();
        }
        return realReturnDate;
    }
 
    public void setRealReturnDate(Date realReturnDate) {
        this.realReturnDate = realReturnDate;
    }
 
    public Status getLoanStatus() {
        return loanStatus;
    }
 
    public void setLoanStatus(Status loanStatus) {
        this.loanStatus = loanStatus;
    }
 
    public Double getRating() {
        return rating;
    }
 
    public void setRating(Double rating) {
        this.rating = rating;
    }
 
    public String getObservations() {
        return observations;
    }
 
    public void setObservations(String observations) {
        this.observations = observations;
    }
 
    @Override
    public String toString() {
        return "Loan{" +
                "id=" + id +
                ", lender=" + lender +
                ", borrower=" + borrower +
                ", item=" + item +
                ", loanDate=" + loanDate +
                ", estimatedReturnDate=" + estimatedReturnDate +
                ", realReturnDate=" + realReturnDate +
                ", loanStatus=" + loanStatus +
                ", rating=" + rating +
                ", observations='" + observations + '\'' +
                '}';
    }
}