Saxonite/SaxoniteStandardBase/Base/Bus/SaxItemAssociation.cs

using Sarand.Net.Standard.Base.Bus;
using Sarand.Net.Standard.Base.Core;
using Saxonite.Net.Standard.Base.App;
using System;
using System.Collections.Generic;
using System.Text;

namespace Saxonite.Net.Standard.Base.Bus
{
	//=======================================================================
	// ItemSport.
	//=======================================================================
	public abstract class SaxItemAssociation : SacsHierarchyItem
	{
		//-------------------------------------------------------------------
		// Columns.
		public enum Column
		{
			Pos,
			Id,
			// Item From.
			ItemTypeFrom,
			ItemTypeFrom_Code,
			ItemTypeFrom_Desc,
			ItemIdFrom,
			ItemFrom_Caption,
			// Item To.
			ItemTypeTo,
			ItemTypeTo_Code,
			ItemTypeTo_Desc,
			ItemIdTo,
			ItemTo_Caption,
			// Association type.
			AssociationType,
			AssociationType_Code,
			AssociationType_Desc,
			// Associated data.
			// Common.
			Notes,
			Flags,
			Status,
			Status_Desc,
			Status_Ind,
			CreateOn_Date,
			UpdateOn_Date,
		}

		//-------------------------------------------------------------------
		/// <summary>Properties other than common.</summary>
		public class DataProperties
		{
			public ItemId ItemIdFrom { get; set; } = new ItemId();
			public ItemId ItemIdTo { get; set; } = new ItemId();
			public Sax.AssociationType AssociationType { get; set; }
		}

		//-------------------------------------------------------------------
		// Data.
		public new class Data : SacsHierarchyItem.Data
		{
			// Data members.
			private readonly DataProperties data = new DataProperties();
			// Construction.
			public Data()
			{
				Status = DefaultStatus;
			}
			// Properties.
			public ItemId ItemIdFrom
			{
				get { return data.ItemIdFrom; }
				set { value = ItemId.InvalidOnNull(value); CheckChanged(data.ItemIdFrom, value); data.ItemIdFrom = value; }
			}
			public ItemId ItemIdTo
			{
				get { return data.ItemIdTo; }
				set { value = ItemId.InvalidOnNull(value); CheckChanged(data.ItemIdTo, value); data.ItemIdTo = value; }
			}
			public Sax.AssociationType AssociationType
			{
				get { return data.AssociationType; }
				set { CheckChanged((int)data.AssociationType, (int)value); data.AssociationType = value; }
			}
			// Population.
			internal void PopulateFrom(Data data)
			{
				ItemIdFrom = data.ItemIdFrom;
				ItemIdTo = data.ItemIdTo;
				AssociationType = data.AssociationType;
				base.PopulateFrom(data);
			}
			public Data Clone()
			{
				Data data = new Data();
				data.PopulateFrom(this);
				return data;
			}
		}

		//-------------------------------------------------------------------
		// Error field - identify properties with validation error.
		public new class ErrField : SacsHierarchyItem.ErrField
		{
			// Identifies the field that has invalid data.
			public ValidValue ItemIdFrom { get; set; } = ValidValue.Valid;
			public ValidValue ItemIdTo { get; set; } = ValidValue.Valid;
			public ValidValue AssociationType { get; set; } = ValidValue.Valid;
		}

		//-------------------------------------------------------------------
		// Data members.
		private readonly Data data = new Data();

		//-------------------------------------------------------------------
		// Construction.
		protected SaxItemAssociation(SysId id, ItemId itemIdFrom, ItemId itemIdTo, Sax.AssociationType associationType) : base(id)
		{
			base.SetData(data);
			ItemIdFrom = itemIdFrom;
			ItemIdTo = itemIdTo;
			AssociationType = associationType;
			Status = DefaultStatus;
		}

		//-------------------------------------------------------------------
		// Status.
		private static readonly List<SaStatus> validStatuses = new List<SaStatus>()
		{
			SaStatus.Active,
			SaStatus.Inactive,
			SaStatus.Deleted,
		};
		public static SaStatus DefaultStatus { get { return SaStatus.Active; } }
		public static List<SaStatus> ValidStatuses { get { return new List<SaStatus>(validStatuses); } }
		public static DataValue.TriStateType GetStatusTriState(SaStatus status)
		{
			if (status == SaStatus.Active) return DataValue.TriStateType.Green;
			if (status == SaStatus.Inactive) return DataValue.TriStateType.Red;
			if (status == SaStatus.Deleted) return DataValue.TriStateType.Purple;
			return DataValue.TriStateType.Unknown;
		}

		//-------------------------------------------------------------------
		// Utilities.
		public ItemId GetItemId()
		{
			return new ItemId((short)Sax.DataItemType.ItemAssociation, Id);
		}
		/// <summary>Valid 'From' item types for Association type.</summary>
		public static List<Sax.DataItemType> GetValidFromItemTypesForAssociation(Sax.AssociationType associationType)
		{
			List<Sax.DataItemType> itemTypes = new List<Sax.DataItemType>();
			switch (associationType)
			{
				case Sax.AssociationType.Affiliate:
				case Sax.AssociationType.Partner:
					itemTypes.Add(Sax.DataItemType.Organisation);
					break;
			}
			return itemTypes;
		}
		/// <summary>Valid 'To' item types for Association type.</summary>
		public static List<Sax.DataItemType> GetValidToItemTypesForAssociation(Sax.AssociationType associationType)
		{
			List<Sax.DataItemType> itemTypes = new List<Sax.DataItemType>();
			switch (associationType)
			{
				case Sax.AssociationType.Affiliate:
				case Sax.AssociationType.Partner:
					itemTypes.Add(Sax.DataItemType.Organisation);
					break;
			}
			return itemTypes;
		}

		//-------------------------------------------------------------------
		// Properties.
		public Data GetData() { return data.Clone(); }
		public void SetData(Data data)
		{
			String fn = GetType().Name + ".SetData";
			// Properties that cannot be changed if previously specified.
			if (SysId.IsValid(Id) && SysId.ToInt(Id) != SysId.ToInt(data.Id))
				throw new NotSupportedException(fn + " Id cannot be changed");
			if (ItemId.IsValid(ItemIdFrom) && ItemIdFrom.Type != data.ItemIdFrom.Type && SysId.ToInt(ItemIdFrom.Id) != SysId.ToInt(data.ItemIdFrom.Id))
				throw new NotSupportedException(fn + " From Item Id cannot be changed");
			if (ItemId.IsValid(ItemIdTo) && ItemIdTo.Type != data.ItemIdTo.Type && SysId.ToInt(ItemIdTo.Id) != SysId.ToInt(data.ItemIdTo.Id))
				throw new NotSupportedException(fn + " To Item Id cannot be changed");
			this.data.PopulateFrom(data);
		}
		public ItemId ItemIdFrom
		{
			get { return data.ItemIdFrom; }
			protected set { data.ItemIdFrom = value; }
		}
		public ItemId ItemIdTo
		{
			get { return data.ItemIdTo; }
			protected set { data.ItemIdTo = value; }
		}
		public Sax.AssociationType AssociationType
		{
			get { return data.AssociationType; }
			protected set { data.AssociationType = value; }
		}

		//-------------------------------------------------------------------
		// Flags - positions 1-16 available.

		//-------------------------------------------------------------------
		//                   A s s o c i a t e d   D a t a
		//-------------------------------------------------------------------

		//-------------------------------------------------------------------
		//                            P a r a m s
		//-------------------------------------------------------------------
		// List parameters.
		public enum StatusCat
		{
			Any,
			ActiveOnly,
			InactiveOnly,
			NotDeleted,
			DeletedOnly,
		}
		/// <summary>
		/// Item list parameters.
		/// </summary>
		public new class Params : SacsHierarchyItem.Params
		{
			// List filtering.
			public List<SysId> IdsIncluded { get; } = new List<SysId>();
			public List<SysId> IdsExcluded { get; } = new List<SysId>();
			/// <summary>Items that can be eitehr 'From' or 'To'.</summary>
			public List<ItemId> ItemIdsIncluded { get; } = new List<ItemId>();
			/// <summary>Items that can only be the 'From' item.</summary>
			public List<ItemId> ItemIdsFromIncluded { get; } = new List<ItemId>();
			/// <summary>Items that can only be the 'To' item.</summary>
			public List<ItemId> ItemIdsToIncluded { get; } = new List<ItemId>();
			public List<Sax.AssociationType> AssociationTypesIncluded { get; } = new List<Sax.AssociationType>();
			// Common properties.
			public StatusCat StatusCat { get; set; } = StatusCat.NotDeleted;
		}

		//-------------------------------------------------------------------
	}
	//=======================================================================
	// Item list extension methods.
	public static class SaxAssociationList
	{
	}

	//=======================================================================
}