refactor: 批量新增枚举类型并完成实体、DTO、服务层枚举替换
- 新增30+业务枚举类型覆盖用户、宠物、商城、社区、积分等模块 - 完成实体类、DTO、服务层的字符串枚举替换为强类型枚举 - 修复用户状态枚举名称变更，将Frozen改为Disabled - 新增批量发布社区消息接口与控制器实现 - 新增操作日志、积分管理、补偿任务相关服务与DTO
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274
QYZH.InteractiveMagazine.Service/PointsService.cs
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274
QYZH.InteractiveMagazine.Service/PointsService.cs
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using Microsoft.Extensions.Logging;
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using QYZH.InteractiveMagazine.IService;
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using QYZH.InteractiveMagazine.Models.Common;
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using QYZH.InteractiveMagazine.Models.Dto;
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using QYZH.InteractiveMagazine.Models.Dto.Points;
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using QYZH.InteractiveMagazine.Models.Entity;
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using QYZH.InteractiveMagazine.Models.Enum;
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using QYZH.InteractiveMagazine.Repository;
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namespace QYZH.InteractiveMagazine.Service;
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/// <summary>
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/// 积分服务实现
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/// </summary>
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public class PointsService(
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BaseRepository<PointsRecord> pointsRecordRepository,
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ILogger<PointsService> logger)
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: BaseRepository<PointsRecord>, IPointsService
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{
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#region 带事务版本（独立调用）
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/// <summary>
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/// 增加积分（带事务）
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/// </summary>
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public async Task<AddPointsOutput> AddPointsAsync(AddPointsInput input)
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{
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logger.LogInformation("用户增加积分，UserId: {UserId}, Amount: {Amount}, Type: {Type}",
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input.UserId, input.Amount, input.ChangeType);
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if (input.Amount <= 0)
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throw new BusinessException("增加积分数量必须大于0", 400);
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AddPointsOutput result = null!;
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await UseTranAsync(async () =>
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{
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result = await AddPointsInTranAsync(input);
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});
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return result;
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}
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/// <summary>
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/// 扣除积分（带事务）
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/// </summary>
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public async Task<DeductPointsOutput> DeductPointsAsync(DeductPointsInput input)
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{
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logger.LogInformation("用户扣除积分，UserId: {UserId}, Amount: {Amount}, Type: {Type}",
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input.UserId, input.Amount, input.ChangeType);
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if (input.Amount <= 0)
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throw new BusinessException("扣除积分数量必须大于0", 400);
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DeductPointsOutput result = null!;
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await UseTranAsync(async () =>
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{
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result = await DeductPointsInTranAsync(input);
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});
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return result;
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}
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#endregion
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#region 无事务版本（供外部事务调用）
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/// <summary>
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/// 增加积分（无事务，需在外部事务中调用）
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/// </summary>
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public async Task<AddPointsOutput> AddPointsInTranAsync(AddPointsInput input)
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{
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if (input.Amount <= 0)
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throw new BusinessException("增加积分数量必须大于0", 400);
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// 查询用户当前积分
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var user = await Context.Queryable<Users>()
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.Where(u => u.Id == input.UserId && !u.IsDeleted)
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.FirstAsync();
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if (user == null)
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throw new BusinessException("用户不存在", 404);
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var previousBalance = user.Points;
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var newBalance = previousBalance + input.Amount;
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// 更新用户积分
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await Context.Updateable<Users>()
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.SetColumns(u => u.Points == newBalance)
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.SetColumns(u => u.UpdatedAt == DateTime.Now)
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.Where(u => u.Id == input.UserId && !u.IsDeleted)
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.ExecuteCommandAsync();
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// 插入积分流水记录
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var record = new PointsRecord
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{
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UserId = input.UserId,
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ChangeAmount = input.Amount,
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BalanceAfter = newBalance,
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ChangeType = input.ChangeType.ToString(),
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RelatedId = input.RelatedId,
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Description = input.Description,
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Type = PointsFlowTypeEnum.Income,
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Status = PointsRecordStatusEnum.Success,
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IsDeleted = false,
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CreatedBy = input.OperatorName ?? user.Name ?? input.UserId.ToString(),
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CreatedAt = DateTime.Now,
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UpdatedBy = input.OperatorName ?? user.Name ?? input.UserId.ToString(),
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UpdatedAt = DateTime.Now
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};
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var recordEntity = await InsertReturnEntityAsync(record);
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logger.LogInformation("增加积分成功，UserId: {UserId}, 积分: {Before} -> {After}, 变动: +{Amount}",
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input.UserId, previousBalance, newBalance, input.Amount);
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return new AddPointsOutput
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{
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RecordId = recordEntity.Id,
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PreviousBalance = previousBalance,
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NewBalance = newBalance,
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AddedAmount = input.Amount
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};
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}
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/// <summary>
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/// 扣除积分（无事务，需在外部事务中调用）
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/// </summary>
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public async Task<DeductPointsOutput> DeductPointsInTranAsync(DeductPointsInput input)
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{
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if (input.Amount <= 0)
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throw new BusinessException("扣除积分数量必须大于0", 400);
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// 查询用户当前积分
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var user = await Context.Queryable<Users>()
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.Where(u => u.Id == input.UserId && !u.IsDeleted)
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.FirstAsync();
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if (user == null)
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throw new BusinessException("用户不存在", 404);
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var previousBalance = user.Points;
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// 余额不足校验
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if (previousBalance < input.Amount)
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throw new BusinessException($"积分不足，需要 {input.Amount} 积分，当前余额 {previousBalance}", 400);
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var newBalance = previousBalance - input.Amount;
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// 更新用户积分
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await Context.Updateable<Users>()
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.SetColumns(u => u.Points == newBalance)
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.SetColumns(u => u.UpdatedAt == DateTime.Now)
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.Where(u => u.Id == input.UserId && !u.IsDeleted)
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.ExecuteCommandAsync();
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// 插入积分流水记录
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var record = new PointsRecord
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{
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UserId = input.UserId,
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ChangeAmount = -input.Amount,
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BalanceAfter = newBalance,
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ChangeType = input.ChangeType.ToString(),
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RelatedId = input.RelatedId,
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Description = input.Description,
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Type = PointsFlowTypeEnum.Expense,
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Status = PointsRecordStatusEnum.Success,
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IsDeleted = false,
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CreatedBy = input.OperatorName ?? user.Name ?? input.UserId.ToString(),
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CreatedAt = DateTime.Now,
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UpdatedBy = input.OperatorName ?? user.Name ?? input.UserId.ToString(),
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UpdatedAt = DateTime.Now
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};
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var recordEntity = await InsertReturnEntityAsync(record);
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logger.LogInformation("扣除积分成功，UserId: {UserId}, 积分: {Before} -> {After}, 变动: -{Amount}",
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input.UserId, previousBalance, newBalance, input.Amount);
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return new DeductPointsOutput
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{
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RecordId = recordEntity.Id,
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PreviousBalance = previousBalance,
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NewBalance = newBalance,
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DeductedAmount = input.Amount
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};
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}
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#endregion
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#region 查询
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/// <summary>
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/// 查询用户当前积分余额
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/// </summary>
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public async Task<int> GetUserPointsAsync(long userId)
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{
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var user = await Context.Queryable<Users>()
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.Where(u => u.Id == userId && !u.IsDeleted)
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.Select(u => u.Points)
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.FirstAsync();
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return user;
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}
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/// <summary>
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/// 获取用户积分概览
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/// </summary>
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public async Task<PointsSummaryOutput> GetPointsSummaryAsync(long userId)
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{
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// 查询用户
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var user = await Context.Queryable<Users>()
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.Where(u => u.Id == userId && !u.IsDeleted)
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.FirstAsync();
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if (user == null)
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throw new BusinessException("用户不存在", 404);
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// 查询累计收入（Income 类型）
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var totalIncome = await Context.Queryable<PointsRecord>()
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.Where(r => r.UserId == userId && !r.IsDeleted && r.Type == PointsFlowTypeEnum.Income && r.Status == PointsRecordStatusEnum.Success)
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.SumAsync(r => r.ChangeAmount);
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// 查询累计支出（Expense 类型，取绝对值）
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var totalExpense = await Context.Queryable<PointsRecord>()
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.Where(r => r.UserId == userId && !r.IsDeleted && r.Type == PointsFlowTypeEnum.Expense && r.Status == PointsRecordStatusEnum.Success)
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.SumAsync(r => r.ChangeAmount);
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return new PointsSummaryOutput
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{
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UserId = userId,
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CurrentBalance = user.Points,
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TotalIncome = totalIncome,
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TotalExpense = Math.Abs(totalExpense)
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};
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}
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/// <summary>
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/// 分页查询积分流水
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/// </summary>
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public async Task<PageListModel<PointsRecordOutput>> GetPointsRecordsAsync(PointsRecordQueryInput input)
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{
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if (input.PageIndex <= 0)
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throw new BusinessException("页码必须大于0", 400);
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if (input.PageSize <= 0 || input.PageSize > 100)
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throw new BusinessException("每页条数必须在1-100之间", 400);
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var query = Context.Queryable<PointsRecord>()
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.Where(r => r.UserId == input.UserId && !r.IsDeleted)
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.WhereIF(input.ChangeType.HasValue, r => r.ChangeType == input.ChangeType.Value.ToString())
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.WhereIF(input.Type.HasValue, r => r.Type == input.Type.Value)
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.WhereIF(!string.IsNullOrEmpty(input.Status), r => r.Status.ToString() == input.Status)
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.OrderByDescending(r => r.CreatedAt);
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var total = 0;
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var records = await query
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.Select(r => new PointsRecordOutput
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{
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Id = (long)r.Id,
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ChangeAmount = r.ChangeAmount,
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BalanceAfter = r.BalanceAfter,
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ChangeType = r.ChangeType,
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Description = r.Description,
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Type = r.Type.ToString(),
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CreatedAt = r.CreatedAt
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})
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.ToPageListAsync(input.PageIndex, input.PageSize, total);
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return new PageListModel<PointsRecordOutput>(records, input.PageIndex, input.PageSize, total);
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}
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#endregion
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}
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