核心功能:
- 账单CRUD操作(创建、查询、详情、更新状态、删除)
- 支付记录管理(创建支付、审核支付)
- 批量操作支持(批量更新账单状态)
- 统计分析功能(账单统计、逾期账单查询)
- 导出功能(Excel/PDF/CSV)
API端点 (16个):
- GET /api/admin/v1/billings - 账单列表(分页、筛选、排序)
- POST /api/admin/v1/billings - 创建账单
- GET /api/admin/v1/billings/{id} - 账单详情
- DELETE /api/admin/v1/billings/{id} - 删除账单
- PUT /api/admin/v1/billings/{id}/status - 更新状态
- POST /api/admin/v1/billings/batch/status - 批量更新
- GET /api/admin/v1/billings/{id}/payments - 支付记录
- POST /api/admin/v1/billings/{id}/payments - 创建支付
- PUT /api/admin/v1/billings/payments/{paymentId}/verify - 审核支付
- GET /api/admin/v1/billings/statistics - 统计数据
- GET /api/admin/v1/billings/overdue - 逾期账单
- POST /api/admin/v1/billings/export - 导出账单
架构优化:
- 采用CQRS模式分离读写(MediatR + Dapper + EF Core)
- 完整的领域模型设计(TenantBillingStatement, TenantPayment等)
- FluentValidation请求验证
- 状态机管理账单和支付状态流转
API设计优化 (三项改进):
1. 导出API响应Content-Type改为application/octet-stream
2. 支付审核API添加Approved和Notes可选参数,支持通过/拒绝
3. 移除TenantBillings API中重复的TenantId参数
数据库变更:
- 新增账单相关表及关系
- 支持Snowflake ID主键
- 完整的审计字段支持
🤖 Generated with Claude Code
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
52 lines
2.3 KiB
C#
52 lines
2.3 KiB
C#
using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore.Metadata.Builders;
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using TakeoutSaaS.Domain.Tenants.Entities;
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using TakeoutSaaS.Domain.Tenants.Enums;
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namespace TakeoutSaaS.Infrastructure.App.Persistence.Configurations;
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/// <summary>
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/// <see cref="TenantBillingStatement"/> EF Core 映射配置。
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/// </summary>
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public sealed class TenantBillingStatementConfiguration : IEntityTypeConfiguration<TenantBillingStatement>
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{
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/// <inheritdoc />
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public void Configure(EntityTypeBuilder<TenantBillingStatement> builder)
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{
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builder.ToTable("tenant_billing_statements");
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builder.HasKey(x => x.Id);
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// 1. 字段约束
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builder.Property(x => x.StatementNo).HasMaxLength(64).IsRequired();
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builder.Property(x => x.BillingType).HasConversion<int>();
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builder.Property(x => x.AmountDue).HasPrecision(18, 2);
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builder.Property(x => x.DiscountAmount).HasPrecision(18, 2);
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builder.Property(x => x.TaxAmount).HasPrecision(18, 2);
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builder.Property(x => x.AmountPaid).HasPrecision(18, 2);
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builder.Property(x => x.Currency).HasMaxLength(8).HasDefaultValue("CNY");
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builder.Property(x => x.Status).HasConversion<int>();
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// 2. (空行后) JSON 字段(当前以 text 存储 JSON 字符串,便于兼容历史迁移)
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builder.Property(x => x.LineItemsJson).HasColumnType("text");
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// 3. (空行后) 备注字段
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builder.Property(x => x.Notes).HasMaxLength(512);
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// 4. (空行后) 唯一约束与索引
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builder.HasIndex(x => new { x.TenantId, x.StatementNo }).IsUnique();
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// 5. (空行后) 性能索引(高频查询:租户+状态+到期日)
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builder.HasIndex(x => new { x.TenantId, x.Status, x.DueDate })
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.HasDatabaseName("idx_billing_tenant_status_duedate");
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// 6. (空行后) 逾期扫描索引(仅索引 Pending/Overdue)
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builder.HasIndex(x => new { x.Status, x.DueDate })
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.HasDatabaseName("idx_billing_status_duedate")
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.HasFilter($"\"Status\" IN ({(int)TenantBillingStatus.Pending}, {(int)TenantBillingStatus.Overdue})");
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// 7. (空行后) 创建时间索引(支持列表倒序)
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builder.HasIndex(x => x.CreatedAt)
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.HasDatabaseName("idx_billing_created_at");
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}
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}
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