Babydatenbank/src/com/yourcompany/babydatenbank/model/Article.java

package com.yourcompany.babydatenbank.model;

import javax.persistence.*;

import org.hibernate.annotations.GenericGenerator;
import org.hibernate.validator.constraints.*;
import org.openxava.annotations.*;

import com.yourcompany.babydatenbank.actions.*;

import java.math.*;
import java.time.*;

import javax.validation.constraints.*;

@Entity
@View(members=
		"name;" +
		"photo;"+
		"#category, pattern;"+
		"#brand, size;"+ 
		"buyAndSell["+ 
		"#condition, discount;"+
		"#originalPrice, discountedSellPrice;"+
		"buyPrice, sellPrice;"+
		"#buyDate, sellDate];" +
		"remarks"
		)
@Tab(properties="name, category.description, brand.description, pattern.description, size.description, condition.description, discountedSellPrice, remarks", defaultOrder="${name} asc")
public class Article {

	@Id @Hidden @GeneratedValue(generator="system-uuid2")
    @GenericGenerator(name="system-uuid2", strategy = "uuid2")
    @Column(length=36)
	private String oid;
	
	@Column(length=32)
	private String name;

	@Stereotype("IMAGE")
	@Column(length=83886080)
	private byte[] photo;
	
	@ManyToOne
	@NoModify
	@DescriptionsList
	private Size size;
	
	@ManyToOne
	@NoModify
	@DescriptionsList
	private Pattern pattern;
	
	@ManyToOne
	@NoModify
	@DescriptionsList
	private Category category;
	
	@ManyToOne
	@NoModify
	@DescriptionsList
	private Brand brand;
	
	@ManyToOne
	@NoCreate
	@NoModify
	@DescriptionsList(order="${number} ASC")
	@OnChange(OnChangeArticleConditionAction.class)
	private Condition condition;
	
	@Stereotype("MONEY")
	@Column(length=8)
	private BigDecimal buyPrice;
	
	@Stereotype("MONEY")
	@Column(length=8)
	private BigDecimal originalPrice;
	
	@Stereotype("MONEY")
	@Column(length=8)
	private BigDecimal sellPrice;
	 
	@Stereotype("MEMO")
	private String remarks;
	
	@Stereotype("DATE")
	private LocalDate buyDate;
	
	@Stereotype("DATE")
	private LocalDate sellDate;
	

	@Stereotype("PERCENTAGE")
	@Range(min=0, max=100)
	@DisplaySize(value=8)
	private int discount;

	public String getOid() {
		return oid;
	}

	public void setOid(String oid) {
		this.oid = oid;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public byte[] getPhoto() {
		return photo;
	}

	public void setPhoto(byte[] photo) {
		this.photo = photo;
	}

	public Size getSize() {
		return size;
	}

	public void setSize(Size size) {
		this.size = size;
	}

	public Pattern getPattern() {
		return pattern;
	}

	public void setPattern(Pattern pattern) {
		this.pattern = pattern;
	}

	public BigDecimal getBuyPrice() {
		return buyPrice;
	}

	public void setBuyPrice(BigDecimal buyPrice) {
		this.buyPrice = buyPrice;
	}

	public BigDecimal getOriginalPrice() {
		return originalPrice;
	}

	public void setOriginalPrice(BigDecimal originalPrice) {
		this.originalPrice = originalPrice;
	}

	public BigDecimal getSellPrice() {
		return sellPrice;
	}

	public void setSellPrice(BigDecimal sellPrice) {
		this.sellPrice = sellPrice;
	}

	public String getRemarks() {
		return remarks;
	}

	public void setRemarks(String remarks) {
		this.remarks = remarks;
	}

	public Category getCategory() {
		return category;
	}

	public void setCategory(Category category) {
		this.category = category;
	}

	public Brand getBrand() {
		return brand;
	}

	public void setBrand(Brand brand) {
		this.brand = brand;
	}

	public Condition getCondition() {
		return condition;
	}

	public void setCondition(Condition condition) {
		this.condition = condition;
	}

	public LocalDate getBuyDate() {
		return buyDate;
	}

	public void setBuyDate(LocalDate buyDate) {
		this.buyDate = buyDate;
	}

	public LocalDate getSellDate() {
		return sellDate;
	}

	public void setSellDate(LocalDate sellDate) {
		this.sellDate = sellDate;
	}

	public int getDiscount() {
		return discount;
	}

	public void setDiscount(int discount) {
		this.discount = discount;
	}
	
	@Stereotype("MONEY")
	@Calculation("(100 - discount) / 100 * originalPrice")
	@Column(length=8)
	public BigDecimal getDiscountedSellPrice() {
		try {
			return getOriginalPrice().multiply(BigDecimal.ONE.subtract(new BigDecimal(getDiscount()).divide(new BigDecimal(100), 2, RoundingMode.HALF_EVEN)));
		} catch(Exception e) {
			//Log.error(e);
			return BigDecimal.ZERO;
		}
		
	}
}