Saxonite/SaxoniteStandardBase/Base/Mgr/SaxItemDataMgr-ItemImage.cs

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

namespace Saxonite.Net.Standard.Base.Mgr
{
	//=======================================================================
	partial class SaxItemDataMgr
	{
		//*******************************************************************
		// Item Data Mgr - Item Image
		//*******************************************************************
		// Utilities.
		public bool ItemHasActiveImage(ItemId itemId, Sax.ImageType imageType)
		{
			ClearErrorState();
			if (!ItemId.IsValid(itemId) || (int)imageType < 1) return false;
			SaxItemImage.Params prmItemImage = new SaxItemImage.Params();
			prmItemImage.ItemIdsIncluded.Add(itemId);
			prmItemImage.ImageTypesIncluded.Add(imageType);
			prmItemImage.StatusCat = SaxItemImage.StatusCat.ActiveOnly;
			return GetItemImageCount(prmItemImage) == 1;
		}

		//-------------------------------------------------------------------
		// Create item.
		public abstract SaxItemImage CreateItemImage(ItemId itemId, Sax.ImageType imageType);

		//-------------------------------------------------------------------
		// Item exists.
		public bool ItemImageExistsById(SysId id)
		{
			ClearErrorState();
			if (!SysId.IsValid(id)) return false;
			SaxItemImage.Params prmItemImage = new SaxItemImage.Params();
			prmItemImage.IdsIncluded.Add(id);
			prmItemImage.StatusCat = SaxItemImage.StatusCat.Any;
			return GetItemImageCount(prmItemImage) == 1;
		}

		//-------------------------------------------------------------------
		// Retrieve individual items.
		public abstract SaxItemImage GetItemImage(SaxItemImage.Params prmItemImage);
		public SaxItemImage GetItemImageById(SysId id)
		{
			ClearErrorState();
			if (!SysId.IsValid(id)) return null;
			SaxItemImage.Params prmItemImage = new SaxItemImage.Params();
			prmItemImage.IdsIncluded.Add(id);
			prmItemImage.StatusCat = SaxItemImage.StatusCat.Any;
			return GetItemImage(prmItemImage);
		}
		public SaxItemImage GetItemImage(ItemId itemId, Sax.ImageType imageType, SaxItemImage.StatusCat statusCat)
		{
			if (!ItemId.IsValid(itemId) || imageType <= 0) return null;
			SaxItemImage.Params prmItemImage = new SaxItemImage.Params();
			prmItemImage.ItemIdsIncluded.Add(itemId);
			prmItemImage.ImageTypesIncluded.Add(imageType);
			prmItemImage.StatusCat = statusCat;
			return GetItemImage(prmItemImage);
		}

		//-------------------------------------------------------------------
		// Validate item data.
		public bool IsValidItemImage(SaxItemImage itemImage)
		{
			ClearErrorState();
			if (itemImage == null) return SetErrorState(ErrorMessage.ItemNotSpecified);
			return IsValidItemImageData(itemImage.GetData(), new SaxItemImage.ErrField());
		}
		public virtual bool IsValidItemImageData(SaxItemImage.Data data, SaxItemImage.ErrField errField)
		{
			ClearErrorState();

			//---------------------------------------------------------------
			// Item Id.
			if (errField.ItemId != SacsHierarchyItem.ValidValue.Ignore)
			{
				if (!ItemId.IsValid(data.ItemId))
				{
					errField.ItemId = SacsHierarchyItem.ValidValue.Invalid;
					return SetErrorState("Item Id must be specified");
				}
				if (!SaxItemImage.ValidItemTypes.Contains((Sax.DataItemType)data.ItemId.Type))
				{
					errField.ItemId = SacsHierarchyItem.ValidValue.Invalid;
					return SetErrorState("Invalid item type specified");
				}
			}
			// Image type.
			if (errField.ImageType != SacsHierarchyItem.ValidValue.Ignore && (int)data.ImageType < 1)
			{
				errField.ImageType = SacsHierarchyItem.ValidValue.Invalid;
				return SetErrorState("Image type must be specified");
			}
			// Filename
			if (errField.Filename != SacsHierarchyItem.ValidValue.Ignore && !IsValidValue(data.Filename, "filename", (long)SaxDbDfn_Core.GetColTextLen(SaxDbDfn_Core.ColumnIdx.ItemImage_Filename), true))
			{
				errField.Filename = SacsHierarchyItem.ValidValue.Invalid;
				return false;
			}
			// Mime
			if (errField.Mime != SacsHierarchyItem.ValidValue.Ignore && !IsValidValue(data.Mime, "mime", (long)SaxDbDfn_Core.GetColTextLen(SaxDbDfn_Core.ColumnIdx.ItemImage_Mime), true))
			{
				errField.Mime = SacsHierarchyItem.ValidValue.Invalid;
				return false;
			}
			// Content Type
			if (errField.ContentType != SacsHierarchyItem.ValidValue.Ignore && !IsValidValue(data.ContentType, "content type", (long)SaxDbDfn_Core.GetColTextLen(SaxDbDfn_Core.ColumnIdx.ItemImage_ContentType), true))
			{
				errField.ContentType = SacsHierarchyItem.ValidValue.Invalid;
				return false;
			}
			// Image data.
			if (errField.ImageData != SacsHierarchyItem.ValidValue.Ignore && (data.ImageData == null || data.ImageData.Length < 1))
			{
				errField.ImageData = SacsHierarchyItem.ValidValue.Invalid;
				return SetErrorState("Image data must be specified");
			}

			//---------------------------------------------------------------
			// Common properties.
			if (errField.Notes != SacsHierarchyItem.ValidValue.Ignore && !IsValidValue(data.Notes, "notes", (long)SaxDbDfn_Core.GetColTextLen(SaxDbDfn_Core.ColumnIdx.ItemImage_Notes)))
			{
				errField.Notes = SacsHierarchyItem.ValidValue.Invalid;
				return false;
			}
			if (errField.Status != SacsHierarchyItem.ValidValue.Ignore)
			{
				if (!IsValidValue(data.StatusCode, "status", (long)SaxDbDfn_Core.GetColTextLen(SaxDbDfn_Core.ColumnIdx.ItemImage_Status), true, true))
				{
					errField.Status = SacsHierarchyItem.ValidValue.Invalid;
					return false;
				}
				if (!SaxItemImage.ValidStatuses.Contains(data.Status))
				{
					errField.Status = SacsHierarchyItem.ValidValue.Invalid;
					return SetErrorState(ErrorMessage.InvalidStatus);
				}
			}

			//---------------------------------------------------------------
			// Dependencies - only tested if not deleted.
			if (data.Status != SaStatus.Deleted)
			{
				// Item must exist.
				// ...
			}

			//---------------------------------------------------------------
			return true;
		}

		//-------------------------------------------------------------------
		// Item database interface.
		public abstract bool InsertItemImage(SaxItemImage itemImage, DbUpdateInfo dbUpdateInfo);
		public abstract bool UpdateItemImage(SaxItemImage itemImage, DbUpdateInfo dbUpdateInfo);
		public virtual bool ItemImageCanBeDeleted(SaxItemImage itemImage)
		{
			ClearErrorState();
			return true;
		}
		public abstract bool DeleteItemImage(SaxItemImage itemImage, DbUpdateInfo dbUpdateInfo);

		//-------------------------------------------------------------------
		// Item list.
		public abstract ColumnDfn GetItemImageColumnDfn(SaxItemImage.Column columnId, String caption = "", int width = 0);
		public abstract List<String> GetItemImageQueryFilter(SaxItemImage.Params prmItemImage);
		public abstract long GetItemImageCount(SaxItemImage.Params prmItemImage);
		public abstract List<SaxItemImage> GetItemImageList(SaxItemImage.Params prmItemImage);
		public abstract DbResultSet ExecuteItemImageQuery(List<ColumnDfn> columns, SaxItemImage.Params prmItemImage);

		//-------------------------------------------------------------------
		/// <summary>
		/// Extract and format result set data value where specific handling is required.
		/// <para>Where response is an invalid data value, format value using column.FormatValue(values).</para>
		/// </summary>
		public virtual DataValue GetItemImageDataValue(ColumnDfn column, NamedValue.Map values)
		{
			DataValue value = new DataValue();
			switch ((SaxItemImage.Column)column.Id)
			{
				//-----------------------------------------------------------
				// Data item type.
				case SaxItemImage.Column.ItemType_Code:
					{
						value = new DataValue(DataItemTypeCodes.GetCodeForType(values.GetLong(column.DataName)));
					}
					break;
				case SaxItemImage.Column.ItemType_Desc:
					{
						value = new DataValue(DataItemTypeCodes.GetDescForType(values.GetLong(column.DataName)));
					}
					break;

				//-----------------------------------------------------------
				// Notes.
				case SaxItemImage.Column.Notes:
					value = new DataValue(SacsHierarchyItem.FormatForDisplay(values.GetValue(column.DataName).ToString(), 200));
					break;

				//-----------------------------------------------------------
				// Status.
				case SaxItemImage.Column.Status_Desc:
				case SaxItemImage.Column.Status_Ind:
					{
						String statusCode = values.GetValue(column.DataName).ToString();
						SaStatus status = SacsSystem.GetStatusForCode(statusCode);
						if (column.Id == (int)SaxItemImage.Column.Status_Desc)
							value = new DataValue(SacsSystem.GetStatusDesc(status));
						else if (column.Id == (int)SaxItemImage.Column.Status_Ind)
							value = new DataValue(SaxItemImage.GetStatusTriState(status));
					}
					break;

				//-----------------------------------------------------------
				default:
					value = values.GetValue(column.DataName);
					break;

			}
			return value;
		}

		//-------------------------------------------------------------------
	}
	//=======================================================================
}