iFactory.Godot/Mods/工业数据采集与分析应用分享/Scripts/IDIS_Service.cs

using System;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Net.Mime;
using BITKit;
using Godot;
using Microsoft.EntityFrameworkCore;

namespace BITFactory;
// ReSharper disable once IdentifierTypo
[Serializable]
public abstract class IDIS_Base
{
	/// <summary>
	/// 创建时间
	/// </summary>
	public DateTime CreateDate { get; set; }=DateTime.Now;
	/// <summary>
	/// 更新时间
	/// </summary>
	public DateTime UpdateDate { get; set; }=DateTime.Now;
}
// ReSharper disable once IdentifierTypo
/// <summary>
/// 标识的值
/// </summary>
[Serializable]
public class IDIS_Value:IDIS_Base
{
	/// <summary>
	/// 标识码
	/// </summary>
	[Key]
	public string Handle { get; set; }
}
// ReSharper disable once IdentifierTypo
public class IDIS_Query : IDIS_Value
{
	
	// ReSharper disable once IdentifierTypo
	/// <summary>
	/// 关联的数据
	/// </summary>
	public IDIS_Data[] Datas { get; internal set; }
	// ReSharper disable once IdentifierTypo
	/// <summary>
	/// 关联的标识引用
	/// </summary>
	public IDIS_Reference[] References { get; internal set; }
}

/// <summary>
/// 标识的格式
/// </summary>
[Serializable]
// ReSharper disable once IdentifierTypo
public class IDIS_Data:IDIS_Base
{
	/// <summary>
	/// 不需要处理这个
	/// </summary>
	[Key]
	public int Index { get; set; }
	/// <summary>
	/// 标识码
	/// </summary>
	public string Handle { get; set; }
	/// <summary>
	/// 值类型,例如string,url,site
	/// </summary>
	public string Format { get; set; }
	/// <summary>
	/// 值
	/// </summary>
	public string Value { get; set; }
}
/// <summary>
/// 标识的引用或关联
/// </summary>
[Serializable]
// ReSharper disable once IdentifierTypo
public class IDIS_Reference:IDIS_Base
{
	/// <summary>
	/// 不需要处理这个
	/// </summary>
	[Key]
	public int Index{ get; set; }
	/// <summary>
	/// 标识码
	/// </summary>
	public string Handle { get; set; }
	/// <summary>
	/// 相关联的标识
	/// </summary>
	public string RelatedHandle { get; set; }
}
// ReSharper disable once IdentifierTypo
public class IDIS_DBContext:DbContext
{
	/// <summary>
	/// 标识表
	/// </summary>
	private DbSet<IDIS_Value> Values { get; set; }
	/// <summary>
	/// 标识数据表
	/// </summary>
	private DbSet<IDIS_Data> Datas{ get; set; }
	/// <summary>
	/// 标识引用表
	/// </summary>
	private DbSet<IDIS_Reference> References{ get; set; }
	/// <summary>
	/// 确保创建数据库
	/// </summary>
	/// <param name="optionsBuilder"></param>
	protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
	{
		// ReSharper disable once StringLiteralTypo
		//var sql = SQLiteContextHelper.GetConnectionString("IDIS");
		SQLiteContextHelper.GetConnectionSqlAndPath("IDIS",out var sql,out var path);
		optionsBuilder.UseSqlite(sql);
		BIT4Log.Log<IDIS_DBContext>($"已创建标识数据库:{path}");
	}
	/// <summary>
	/// 查询多个标识
	/// </summary>
	/// <param name="key">模糊标识码</param>
	/// <param name="queries">查询列表</param>
	/// <returns>是否查询到了内容</returns>
	public bool Query(string key, out IDIS_Query[] queries)
	{
		var _query = Values.Where(x => x.Handle.Contains(key));
		var result = _query.Select(x=>new IDIS_Query()
		{
			Handle = x.Handle,
			CreateDate = x.CreateDate,
			UpdateDate = x.UpdateDate,
			Datas = Datas.Where(data=>data.Handle == key).ToArray(),
			References = References.Where(reference=>reference.Handle == key).ToArray()
		});
		queries = result.ToArray();
		return result.Any();
	}
	/// <summary>
	/// 查询单个标识
	/// </summary>
	/// <param name="key">模糊标识</param>
	/// <param name="query">标识查询结果</param>
	/// <returns>是否查询到了标识</returns>
	public bool Query(string key, out IDIS_Query query)
	{
		Query(key, out IDIS_Query[] queries);
		query = queries.FirstOrDefault();

		var 温度 = Datas
			//查询相关的标识
			.Where(x => x.Handle == "MyHandle")
			.OrderBy(x=>x.CreateDate)
			//从标识中查找"MyFormat"
			.First(x => x.Format == "Temperature").Value;
		
		
		return queries.Any();
	}
}
// ReSharper disable once IdentifierTypo
/// <summary>
/// 标识码注册与查询服务
/// </summary>
public partial class IDIS_Service:Node
{
	private static IDIS_DBContext Context;
	public override void _Ready()
	{
		Context = new IDIS_DBContext();
		BIT4Log.Log<IDIS_Service>("已创建标识数据库");
		Context.Database.EnsureCreated();
	}
}