MapEdgeConfiguration.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>
/// MapEdge实体的EF Core配置
/// </summary>
public class MapEdgeConfiguration : IEntityTypeConfiguration<MapEdge>
{
public void Configure(EntityTypeBuilder<MapEdge> builder)
{
// 配置表名
builder.ToTable("map_edges");
// 配置主键
builder.HasKey(e => e.EdgeId);
// 配置属性
builder.Property(e => e.EdgeId)
.HasColumnName("edge_id")
.ValueGeneratedNever();
builder.Property(e => e.MapId)
.HasColumnName("map_id")
.IsRequired();
builder.Property(e => e.EdgeCode)
.HasColumnName("edge_code")
.HasMaxLength(50)
.IsRequired();
builder.Property(e => e.FromNode)
.HasColumnName("from_node")
.IsRequired();
builder.Property(e => e.ToNode)
.HasColumnName("to_node")
.IsRequired();
builder.Property(e => e.EdgeName)
.HasColumnName("edge_name");
builder.Property(e => e.Length)
.HasColumnName("length")
.IsRequired();
builder.Property(e => e.Cost)
.HasColumnName("cost")
.HasDefaultValue(1d);
builder.Property(e => e.CreatedAt)
.HasColumnName("created_at")
.HasColumnType("timestamp without time zone");
builder.Property(e => e.Active)
.HasColumnName("active")
.HasDefaultValue(true);
builder.Property(e => e.IsCurve)
.HasColumnName("is_curve")
.HasDefaultValue(false);
builder.Property(e => e.Radius)
.HasColumnName("radius");
builder.Property(e => e.CenterX)
.HasColumnName("center_x");
builder.Property(e => e.CenterY)
.HasColumnName("center_y");
builder.Property(e => e.Degree)
.HasColumnName("degree")
.HasDefaultValue(2);
builder.Property(e => e.ControlPoints)
.HasColumnName("control_points")
.HasColumnType("jsonb")
.HasConversion(
v => JsonSerializer.Serialize(v, (JsonSerializerOptions?)null),
v => JsonSerializer.Deserialize<List<Point>>(v, (JsonSerializerOptions?)null)!);
builder.Property(e => e.Weights)
.HasColumnName("weights")
.HasColumnType("jsonb")
.HasConversion(
v => JsonSerializer.Serialize(v, (JsonSerializerOptions?)null),
v => JsonSerializer.Deserialize<List<double>>(v, (JsonSerializerOptions?)null)!);
builder.Property(e => e.Knots)
.HasColumnName("knots")
.HasColumnType("jsonb")
.HasConversion(
v => JsonSerializer.Serialize(v, (JsonSerializerOptions?)null),
v => JsonSerializer.Deserialize<List<double>>(v, (JsonSerializerOptions?)null)!);
builder.Property(e => e.OrientationRads)
.HasColumnName("orientation_rads")
.HasColumnType("jsonb")
.HasConversion(
// 保存到数据库前：弧度值保留6位小数
v => v != null ? JsonSerializer.Serialize(v.Select(r => Math.Round(r, 6)).ToList(), (JsonSerializerOptions?)null) : null,
v => JsonSerializer.Deserialize<List<double>>(v, (JsonSerializerOptions?)null));
builder.Property(e => e.MaxCoordinateOffset)
.HasColumnName("max_coordinate_offset");
builder.Property(e => e.MaxRadDeviation)
.HasColumnName("max_rad_deviation")
.HasPrecision(18, 6); // 弧度值，保留6位小数精度
builder.Property(e => e.MaxSpeed)
.HasColumnName("max_speed");
// 配置索引
builder.HasIndex(e => e.MapId)
.HasDatabaseName("idx_edge_map");
builder.HasIndex(e => new { e.MapId, e.EdgeCode })
.HasDatabaseName("idx_edge_map_code");
builder.HasIndex(e => e.FromNode)
.HasDatabaseName("idx_edge_from_node");
builder.HasIndex(e => e.ToNode)
.HasDatabaseName("idx_edge_to_node");
// 配置导航属性 - 多对一关系
builder.HasOne(e => e.Maps)
.WithMany(m => m.MapEdges)
.HasForeignKey(e => e.MapId)
.OnDelete(DeleteBehavior.Cascade);
builder.HasOne(e => e.MapNodesFromNode)
.WithMany(n => n.MapEdgesFromNodes)
.HasForeignKey(e => e.FromNode)
.OnDelete(DeleteBehavior.NoAction);
builder.HasOne(e => e.MapNodesToNode)
.WithMany(n => n.MapEdgesToNodes)
.HasForeignKey(e => e.ToNode)
.OnDelete(DeleteBehavior.NoAction);
}
}
}