MapRepository.cs
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using Microsoft.EntityFrameworkCore;
using Rcs.Domain.Entities;
using Rcs.Domain.Repositories;
using Rcs.Infrastructure.DB.MsSql;
namespace Rcs.Infrastructure.DB.Repositories
{
/// <summary>
/// 地图仓储实现
/// </summary>
public class MapRepository : Repository<Map>, IMapRepository
{
public MapRepository(AppDbContext context) : base(context)
{
}
/// <summary>
/// 根据地图编码获取地图
/// </summary>
public async Task<Map?> GetByMapCodeAsync(
string mapCode,
CancellationToken cancellationToken = default)
{
return await _dbSet
.FirstOrDefaultAsync(m => m.MapCode == mapCode, cancellationToken);
}
/// <summary>
/// 获取所有激活的地图
/// </summary>
public async Task<IEnumerable<Map>> GetActiveAsync(
CancellationToken cancellationToken = default)
{
return await _dbSet
.Where(m => m.Active)
.OrderBy(m => m.MapCode)
.ToListAsync(cancellationToken);
}
/// <summary>
/// 获取包含所有关联数据的地图（Nodes、Edges、Resources、StorageLocations、StorageAreas）
/// @author zzy
/// </summary>
public async Task<Map?> GetWithFullDetailsAsync(
Guid mapId,
CancellationToken cancellationToken = default)
{
return await _dbSet
.Include(m => m.MapNodes)
.ThenInclude(n => n.StorageLocations)
.ThenInclude(sl => sl.StorageArea)
.Include(m => m.MapEdges)
.Include(m => m.MapResources)
.FirstOrDefaultAsync(m => m.MapId == mapId, cancellationToken);
}
/// <summary>
/// 根据地图编码获取包含所有关联数据的地图
/// </summary>
public async Task<Map?> GetWithFullDetailsByCodeAsync(
string mapCode,
CancellationToken cancellationToken = default)
{
return await _dbSet
.Include(m => m.MapNodes)
.Include(m => m.MapEdges)
.Include(m => m.MapResources)
.FirstOrDefaultAsync(m => m.MapCode == mapCode, cancellationToken);
}
/// <summary>
/// 根据查询参数筛选地图
/// </summary>
public async Task<IEnumerable<Map>> GetByFilterAsync(
string? mapCode = null,
string? mapName = null,
bool? active = null,
CancellationToken cancellationToken = default)
{
var queryable = _dbSet.AsQueryable();
// 按地图编码筛选
if (!string.IsNullOrWhiteSpace(mapCode))
{
queryable = queryable.Where(m => m.MapCode.Contains(mapCode));
}
// 按地图名称筛选
if (!string.IsNullOrWhiteSpace(mapName))
{
queryable = queryable.Where(m => m.MapName.Contains(mapName));
}
// 按是否启用筛选
if (active.HasValue)
{
queryable = queryable.Where(m => m.Active == active.Value);
}
return await queryable
.OrderBy(m => m.MapCode)
.ToListAsync(cancellationToken);
}
/// <summary>
/// 根据查询参数筛选地图（带分页）
/// </summary>
public async Task<(IEnumerable<Map> Maps, int TotalCount)> GetByFilterWithPaginationAsync(
string? mapCode = null,
string? mapName = null,
bool? active = null,
DateTime? createdAtFrom = null,
DateTime? createdAtTo = null,
int pageNumber = 1,
int pageSize = 10,
CancellationToken cancellationToken = default)
{
var queryable = _dbSet.AsQueryable();
// 按地图编码筛选
if (!string.IsNullOrWhiteSpace(mapCode))
{
queryable = queryable.Where(m => m.MapCode.Contains(mapCode));
}
// 按地图名称筛选
if (!string.IsNullOrWhiteSpace(mapName))
{
queryable = queryable.Where(m => m.MapName.Contains(mapName));
}
// 按是否启用筛选
if (active.HasValue)
{
queryable = queryable.Where(m => m.Active == active.Value);
}
// 按创建时间范围筛选
if (createdAtFrom.HasValue)
{
queryable = queryable.Where(m => m.CreatedAt.HasValue && m.CreatedAt.Value >= createdAtFrom.Value);
}
if (createdAtTo.HasValue)
{
queryable = queryable.Where(m => m.CreatedAt.HasValue && m.CreatedAt.Value <= createdAtTo.Value);
}
// 获取总记录数
var totalCount = await queryable.CountAsync(cancellationToken);
// 应用分页
var maps = await queryable
.OrderBy(m => m.MapCode)
.Skip((pageNumber - 1) * pageSize)
.Take(pageSize)
.ToListAsync(cancellationToken);
return (maps, totalCount);
}
/// <summary>
/// 根据地图ID删除地图及其所有关联数据（Nodes、Edges、Resources）
/// </summary>
public async Task<bool> DeleteWithNavigationDataAsync(
Guid mapId,
CancellationToken cancellationToken = default)
{
try
{
// 开始事务以确保数据一致性
using var transaction = await _context.Database.BeginTransactionAsync(cancellationToken);
// 1. 首先检查地图是否存在
var map = await _dbSet
.Include(m => m.MapNodes)
.Include(m => m.MapEdges)
.Include(m => m.MapResources)
.FirstOrDefaultAsync(m => m.MapId == mapId, cancellationToken);
if (map == null)
{
await transaction.RollbackAsync(cancellationToken);
return false;
}
// 2. 删除关联的 MapResources
if (map.MapResources.Any())
{
_context.MapResources.RemoveRange(map.MapResources);
}
// 3. 删除关联的 MapEdges（需要先删除相关的外键约束）
if (map.MapEdges.Any())
{
_context.MapEdges.RemoveRange(map.MapEdges);
}
// 4. 删除关联的 MapNodes
if (map.MapNodes.Any())
{
_context.MapNodes.RemoveRange(map.MapNodes);
}
// 5. 删除地图本身
_dbSet.Remove(map);
// 6. 保存所有更改
await _context.SaveChangesAsync(cancellationToken);
// 7. 提交事务
await transaction.CommitAsync(cancellationToken);
return true;
}
catch (Exception)
{
// 如果出现异常，事务会自动回滚
return false;
}
}
}
}