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2025-09-22 a54dbbb68dfe2fb904b291c8004091dc13a4d7cd

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package com.ruoyi.im.util;
 
import com.ruoyi.system.domain.UserPolicy;
 
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
 
public class UserPolicyUtils {
 
 
    /**
     * 查询指定用户是否有生效保单
     * @param userPolicyList 保单列表
     * @param userId 用户ID
     * @return 是否有生效保单
     */
    public static Boolean hasActivePolicyForUser(List<UserPolicy> userPolicyList, Integer userId) {
        if (userPolicyList == null || userPolicyList.isEmpty() || userId == null) {
            return false;
        }
 
        return userPolicyList.stream()
                .filter(policy -> policy != null &&
                        policy.getUserId() != null &&
                        policy.getPolicyStatus() != null)
                .filter(policy -> userId.equals(policy.getUserId()))
                .anyMatch(policy -> UserPolicy.PolicyStatus.ACTIVE.equals(policy.getPolicyStatus()));
    }
 
    /**
     * 统计生效保单数量
     * @param userPolicyList 保单列表
     * @return 生效保单数量
     */
    public static long countActivePolicies(List<UserPolicy> userPolicyList) {
        if (userPolicyList == null || userPolicyList.isEmpty()) {
            return 0L;
        }
 
        return userPolicyList.stream()
                .filter(policy -> policy != null && policy.getPolicyStatus() != null)
                .filter(policy -> UserPolicy.PolicyStatus.ACTIVE.equals(policy.getPolicyStatus()))
                .count();
    }
 
    /**
     * 获取所有生效保单列表
     * @param userPolicyList 保单列表
     * @return 生效保单列表
     */
    public static List<UserPolicy> getActivePolicies(List<UserPolicy> userPolicyList) {
        if (userPolicyList == null || userPolicyList.isEmpty()) {
            return new ArrayList<>();
        }
 
        return userPolicyList.stream()
                .filter(policy -> policy != null && policy.getPolicyStatus() != null)
                .filter(policy -> UserPolicy.PolicyStatus.ACTIVE.equals(policy.getPolicyStatus()))
                .collect(Collectors.toList());
    }
 
    /**
     * 统计各种状态的保单数量
     * @param userPolicyList 保单列表
     * @return 包含各种状态数量的Map
     */
    public static Map<UserPolicy.PolicyStatus, Long> countPoliciesByStatus(List<UserPolicy> userPolicyList) {
        if (userPolicyList == null || userPolicyList.isEmpty()) {
            return new HashMap<>();
        }
 
        return userPolicyList.stream()
                .filter(policy -> policy != null && policy.getPolicyStatus() != null)
                .collect(Collectors.groupingBy(
                        UserPolicy::getPolicyStatus,
                        Collectors.counting()
                ));
    }
 
    /**
     * 检查用户是否有生效保单
     * @param userPolicyList 用户保单列表
     * @return 是否有生效保单
     */
    public static boolean hasActivePolicy(List<UserPolicy> userPolicyList) {
        if (userPolicyList == null || userPolicyList.isEmpty()) {
            return false;
        }
 
        return userPolicyList.stream()
                .anyMatch(policy -> policy != null &&
                        policy.getPolicyStatus() != null &&
                        UserPolicy.PolicyStatus.ACTIVE.equals(policy.getPolicyStatus()));
    }
 
    /**
     * 统计用户生效保单的总保额
     * @param userPolicyList 用户保单列表
     * @return 总保额
     */
    public static BigDecimal sumActivePolicyCoverage(List<UserPolicy> userPolicyList) {
        if (userPolicyList == null || userPolicyList.isEmpty()) {
            return BigDecimal.ZERO;
        }
 
        return userPolicyList.stream()
                .filter(policy -> policy != null &&
                        policy.getPolicyStatus() != null &&
                        UserPolicy.PolicyStatus.ACTIVE.equals(policy.getPolicyStatus()) &&
                        policy.getCoverageAmount() != null)
                .map(UserPolicy::getCoverageAmount)
                .reduce(BigDecimal.ZERO, BigDecimal::add);
    }
}