MapNodeConfiguration.cs
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using System.Text.Json;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
using Rcs.Domain.Entities;
namespace Rcs.Infrastructure.DB.Configuration.Domain
{
/// <summary>
/// MapNode实体的EF Core配置
/// </summary>
public class MapNodeConfiguration : IEntityTypeConfiguration<MapNode>
{
public void Configure(EntityTypeBuilder<MapNode> builder)
{
// 配置表名
builder.ToTable("map_nodes");
// 配置主键
builder.HasKey(e => e.NodeId);
// 配置属性
builder.Property(e => e.NodeId)
.HasColumnName("node_id")
.ValueGeneratedNever();
builder.Property(e => e.MapId)
.HasColumnName("map_id")
.IsRequired();
builder.Property(e => e.NodeCode)
.HasColumnName("node_code")
.HasMaxLength(50)
.IsRequired();
builder.Property(e => e.NodeName)
.HasColumnName("node_name")
.HasMaxLength(100);
builder.Property(e => e.Description)
.HasColumnName("description");
builder.Property(e => e.X)
.HasColumnName("x")
.IsRequired();
builder.Property(e => e.Y)
.HasColumnName("y")
.IsRequired();
builder.Property(e => e.Theta)
.HasColumnName("theta");
builder.Property(e => e.IsReverseParking)
.HasColumnName("is_reverse_parking")
.HasDefaultValue(false);
builder.Property(e => e.AllowRotate)
.HasColumnName("allow_rotate")
.HasDefaultValue(false);
builder.Property(e => e.MaxCoordinateOffset)
.HasColumnName("max_coordinate_offset");
builder.Property(e => e.Type)
.HasColumnName("type")
.IsRequired();
builder.Property(e => e.Metadata)
.HasColumnName("metadata")
.HasColumnType("jsonb")
.HasConversion(
v => JsonSerializer.Serialize(v, (JsonSerializerOptions?)null),
v => JsonSerializer.Deserialize<Dictionary<string, object>>(v, (JsonSerializerOptions?)null)!);
builder.Property(e => e.CreatedAt)
.HasColumnName("created_at")
.HasColumnType("timestamp without time zone");
builder.Property(e => e.Active)
.HasColumnName("active")
.HasDefaultValue(true);
// 配置索引
builder.HasIndex(e => e.MapId)
.HasDatabaseName("idx_node_map");
builder.HasIndex(e => new { e.MapId, e.NodeCode })
.HasDatabaseName("idx_node_map_code");
builder.HasIndex(e => e.Type)
.HasDatabaseName("idx_node_type");
// 配置导航属性 - 多对一关系
builder.HasOne(e => e.Map)
.WithMany(m => m.MapNodes)
.HasForeignKey(e => e.MapId)
.OnDelete(DeleteBehavior.Cascade);
// 配置导航属性 - 一对多关系
builder.HasMany(e => e.MapEdgesFromNodes)
.WithOne(e => e.MapNodesFromNode)
.HasForeignKey(e => e.FromNode)
.OnDelete(DeleteBehavior.NoAction);
builder.HasMany(e => e.MapEdgesToNodes)
.WithOne(e => e.MapNodesToNode)
.HasForeignKey(e => e.ToNode)
.OnDelete(DeleteBehavior.NoAction);
builder.HasOne(e => e.Robot)
.WithOne()
.HasForeignKey<MapNode>(e => e.RobotId)
.OnDelete(DeleteBehavior.SetNull);
}
}
}