MapResourceConfiguration.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>
/// MapResource实体的EF Core配置
/// </summary>
public class MapResourceConfiguration : IEntityTypeConfiguration<MapResource>
{
public void Configure(EntityTypeBuilder<MapResource> builder)
{
// 配置表名
builder.ToTable("map_resources");
// 配置主键
builder.HasKey(e => e.ResourceId);
// 配置属性
builder.Property(e => e.ResourceId)
.HasColumnName("resource_id")
.ValueGeneratedNever();
builder.Property(e => e.MapId)
.HasColumnName("map_id")
.IsRequired();
builder.Property(e => e.ResourceCode)
.HasColumnName("resource_code")
.HasMaxLength(50)
.IsRequired();
builder.Property(e => e.ResourceName)
.HasColumnName("resource_name")
.HasMaxLength(100)
.IsRequired();
builder.Property(e => e.Type)
.HasColumnName("type")
.IsRequired();
builder.Property(e => e.Capacity)
.HasColumnName("capacity")
.HasDefaultValue(1);
builder.Property(e => e.LocationCoordinates)
.HasColumnName("location_coordinates")
.HasColumnType("jsonb")
.HasConversion(
v => JsonSerializer.Serialize(v, (JsonSerializerOptions?)null),
v => JsonSerializer.Deserialize<List<Point>>(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_resource_map");
builder.HasIndex(e => e.ResourceCode)
.HasDatabaseName("idx_resource_code")
.IsUnique();
builder.HasIndex(e => e.Type)
.HasDatabaseName("idx_resource_type");
// 配置导航属性 - 多对一关系
builder.HasOne(e => e.Maps)
.WithMany(m => m.MapResources)
.HasForeignKey(e => e.MapId)
.OnDelete(DeleteBehavior.Cascade);
}
}
}