FrameTour-BE/src/main/java/com/ycwl/basic/constant/FreeStatus.java

package com.ycwl.basic.constant;

/**
 * 免费状态枚举
 * 定义源文件的收费和免费两种状态
 *
 * @author Claude
 * @since 2025-10-31
 */
public enum FreeStatus {
    /**
     * 收费状态
     */
    PAID(0, "收费"),

    /**
     * 免费状态
     */
    FREE(1, "免费");

    private final int code;
    private final String description;

    FreeStatus(int code, String description) {
        this.code = code;
        this.description = description;
    }

    public int getCode() {
        return code;
    }

    public String getDescription() {
        return description;
    }

    /**
     * 根据代码值获取枚举
     *
     * @param code 状态代码
     * @return 对应的枚举值，如果不存在返回 null
     */
    public static FreeStatus fromCode(int code) {
        for (FreeStatus status : values()) {
            if (status.code == code) {
                return status;
            }
        }
        return null;
    }

    /**
     * 判断给定的代码是否为免费状态
     *
     * @param code 状态代码
     * @return true-免费，false-收费
     */
    public static boolean isFree(Integer code) {
        return code != null && code == FREE.code;
    }

    /**
     * 判断给定的代码是否为收费状态
     *
     * @param code 状态代码
     * @return true-收费，false-免费
     */
    public static boolean isPaid(Integer code) {
        return code != null && code == PAID.code;
    }
}