///////////////////////////////////////////////////////////
//  PartAssembly.cs
//  Implementation of Class PartAssembly
//  CSLA type: Editable Child 
//  Created on: 07-Jun-2004 8:41:27 AM
//  Object design: Joyce     
//	Coded: John 04-Nov-2004
///////////////////////////////////////////////////////////

using System;
using System.Data;
using CSLA.Data;
using GZTW.Data;
using CSLA;
using System.Threading;
using CSLA.Security;

namespace GZTW.AyaNova.BLL {
	/// <summary>
	/// Assembly is an object that has a name and id that parts can be assigned to to
	/// indicate this is an assembly of those parts. It itself does not have a price as
	/// it is for group parts together for assemblies (i.e parts of a bike) as opposed
	/// to PartCategory which is to group similar parts (i.e all bikes or all sporting
	/// equipment)
	/// </summary>
	[Serializable]
	public class PartAssembly : BusinessBase {

		#region Attributes 
		private bool bReadOnly;
		private Guid mID;
		private string mName=null;
		private SmartDate mCreated;
		private SmartDate mModified;
		private bool mActive;
		private Guid mCreator;
		private Guid mModifier;
		private string mDescription="";
		

		#endregion

		#region Constructor

		/// <summary>
		/// Private constructor to prevent direct instantiation
		/// </summary>
		private PartAssembly()
		{			
			MarkAsChild();
			//Set to read / write initially so that properties
			//can be set
			bReadOnly=false;

			//New ID
			mID = Guid.NewGuid();
			//pre-break the rule
			Name="";
			Active=true;

			//Set record history to defaults
			mCreated = new SmartDate(DBUtil.CurrentWorkingDateTime);
			mModified=new SmartDate();
			mCreator=Guid.Empty;
			mModifier=Guid.Empty;
		}

		#endregion

		#region Business properties
		/// <summary>
		/// Get internal id number Read only property because it's set internally, not
		/// externally
		/// </summary>
		public Guid ID 
		{
			get
			{
				return mID;
			}
		}

		/// <summary>
		/// Get created date
		///
		/// 
		/// </summary>
		public string Created 
		{
			get
			{
				return mCreated.ToString();
			}
		}

		/// <summary>
		/// Get modified date
		///
		/// 
		/// </summary>
		public string Modified 
		{
			get
			{
				return mModified.ToString();
			}
		}

		/// <summary>
		/// Get user record ID of person who created this record
		///
		/// 
		/// </summary>
		public Guid Creator 
		{
			get
			{
				return mCreator;
			}
		}

		/// <summary>
		/// Get user ID of person who modified this record
		///
		/// 
		/// </summary>
		public Guid Modifier 
		{
			get
			{
				return mModifier;
			}
		}

		/// <summary>
		/// Set/get client group name 
		/// </summary>
		public string Name 
		{
			get
			{
				return mName;
			}
			set
			{
				if(bReadOnly)
					ThrowSetError();
				else
				{
					if(mName!=value)
					{
						mName = value;

						BrokenRules.Assert("NameRequired","Error.Object.RequiredFieldEmpty,PartAssembly.Label.Name","Name",value.Length==0);

						BrokenRules.Assert("NameLength",
							"Error.Object.FieldLengthExceeded255,PartAssembly.Label.Name","Name",value.Length>255);
						
						MarkDirty();
					}
				}
			}
		}

		/// <summary>
		/// Get /set active status of client group
		/// If active = true then PartAssembly is selectable for workorders etc
		/// If active = false then PartAssembly in not selectable, but history can be
		/// viewed
		/// </summary>
		public bool Active 
		{
			get
			{
				return mActive;
			}
			set
			{
				if(bReadOnly)
					ThrowSetError();
				else
				{
					if(mActive!=value)
					{
						mActive = value;
						MarkDirty();
						
					}
				}
			}
		}
        /// <summary>
        /// Short description of part assembly for display and selection
        /// </summary>
		public string Description 
		{
			get
			{
				return mDescription;
			}
			set
			{
				if(bReadOnly)
					ThrowSetError();
				else
				{
					if(mDescription!=value)
					{
						mDescription = value;
						MarkDirty();
						
					}
				}
			}
		}
		/// <summary>
		/// Throw an error when a read only user 
		/// tries to set a property
		/// (this should normally never be called unless someone is using the developer api since the UI
		/// should prevent it from happening initially)
		/// </summary>
		private void ThrowSetError()
		{
			throw new System.Security.SecurityException
				(
				string.Format
				(
				LocalizedTextTable.GetLocalizedTextDirect("Error.Security.NotAuthorizedToChange"),
				LocalizedTextTable.GetLocalizedTextDirect("O.PartAssembly")
				)
				);
		}
		#endregion

		#region System.Object overrides
        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
		public override string ToString()
		{
			return "PartAssembly" + mID.ToString();
		}

		/// <summary>
		/// 
		/// </summary>
		/// <param name="obj"></param>
		/// <returns></returns>
		public override bool Equals(Object obj)
		{
			if ( obj == null || GetType ( ) != obj.GetType ( ) ) return false;
			PartAssembly c=(PartAssembly)obj;
			return mID==c.mID;
		}
        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
		public override int GetHashCode()
		{
			return ("PartAssembly"+mID).GetHashCode();
		}

		#endregion 

		#region Searching

		/// <summary>
		/// Returns a search result object based on search terms
		/// for the ID specified
		/// </summary>
		/// <param name="ID"></param>
		/// <param name="searchTerms"></param>
		/// <returns></returns>
		public static SearchResult GetSearchResult(Guid ID, string[]searchTerms)
		{

			
			if(AyaBizUtils.Right("Object.PartAssembly")<(int)SecurityLevelTypes.ReadOnly)
				return new SearchResult();

			SearchResult sr=new SearchResult();
			System.Text.StringBuilder sb = new System.Text.StringBuilder();
			SafeDataReader dr = null;	
			try
			{
				dr=DBUtil.GetReaderFromSQLString(

					"SELECT aCreated, aModified, aCreator, aModifier, aName, " +
					"aDescription FROM aPartAssembly WHERE (aID = @ID)"

					,ID);

				if(!dr.Read())
					return new SearchResult();//DBUtil.ThrowFetchError("SearchResult for PartAssemblyID: " + ID.ToString());
						
						
							sr.Description=dr.GetString("aName");
							sb.Append(sr.Description);

							sb.Append(" ");
							sb.Append(dr.GetString("aDescription"));
							
							sr.Created=DBUtil.ToLocal(dr.GetSmartDate("aCreated"));
							sr.Modified=DBUtil.ToLocal(dr.GetSmartDate("aModified"));
							sr.Creator=dr.GetGuid("aCreator");
							sr.Modifier=dr.GetGuid("aModifier");
							
						
							

					}
					finally
					{
						if(dr!=null) dr.Close();
					}
			 

				

			//Formulate results
			ExtractAndRank er = new ExtractAndRank();
			er.Process(sb.ToString().Trim(),searchTerms);
			sr.Extract=er.Extract;
			sr.Rank=er.Ranking;
			sr.AncestorRootObjectID=ID;
			sr.AncestorRootObjectType=RootObjectTypes.PartAssembly;
			
			return sr;

		}

		#endregion

		#region Static methods
		/// <summary>
		/// Create new PartAssembly
		/// </summary>
		internal static PartAssembly NewItem()
		{
			
			
			if(AyaBizUtils.Right("Object.PartAssembly")>(int)SecurityLevelTypes.ReadOnly)			
			{
				PartAssembly c = new PartAssembly();				
				return c;
			}
			else
				throw new System.Security.SecurityException(
					string.Format(
					LocalizedTextTable.GetLocalizedTextDirect("Error.Security.NotAuthorizedToCreate"),
					LocalizedTextTable.GetLocalizedTextDirect("O.PartAssembly")));
			
		}

		/// <summary>
		/// Fetch existing PartAssembly
		/// </summary>
		/// <param name="dr"></param>
		internal static PartAssembly GetItem(SafeDataReader dr)
		{
			
			if(AyaBizUtils.Right("Object.PartAssembly")>(int)SecurityLevelTypes.NoAccess)			
			{
				PartAssembly child = new PartAssembly();
				child.Fetch(dr);
				return child;
			}
			else
				throw new System.Security.SecurityException(
					string.Format(
					LocalizedTextTable.GetLocalizedTextDirect("Error.Security.NotAuthorizedToRetrieve"),
					LocalizedTextTable.GetLocalizedTextDirect("O.PartAssembly")));
		}


        /// <summary>
        /// Retrieve internal ID from name.
        /// 
        /// </summary>
        /// <param name="Name">Text value</param>
        /// <returns>Guid ID value or Guid.Empty if no match</returns>
        public static Guid GetIDFromName(string Name)
        {
            return GuidFetcher.GetItem("APARTASSEMBLY", "ANAME", Name);
        }
		#endregion

		#region DAL DATA ACCESS

		#region Fetch
		
		/// <summary>
		/// Populate this object from the values in the datareader passed to it
		/// </summary>
		/// <param name="dr"></param>
		private void Fetch(SafeDataReader dr)
		{		
			//Standard fields
			mID=dr.GetGuid("aID");
			mCreated=DBUtil.ToLocal(dr.GetSmartDate("aCreated"));
			mModified=DBUtil.ToLocal(dr.GetSmartDate("aModified"));
			mCreator=dr.GetGuid("aCreator");
			mModifier=dr.GetGuid("aModifier");
					
			//PartAssembly fields
			Active=dr.GetBoolean("AACTIVE");

			//Important: use property not internal field
			//so that initial broken rule is unbroken on fetch
			Name=dr.GetString("aName");					
			
			Description=dr.GetString("aDescription");

			MarkOld();

			//Get access rights level
			bReadOnly=AyaBizUtils.Right("Object.PartAssembly")<(int)SecurityLevelTypes.ReadWrite;
		}
		#endregion fetch

		#region Update

		/// <summary>
		/// 
		/// </summary>
		/// <param name="tr"></param>
		internal void Update(IDbTransaction tr)
		{
			//No need to update if there is nothing changed
			if(!this.IsDirty) return;

			// If not a new record, check if record was modified 
			//by another user since original retrieval:
			if(!IsNew)
				DBUtil.CheckSafeToUpdate(this.mModified.Date,this.mID,"aPartAssembly");

			#region Delete
			if(IsDeleted)
			{
				if(!IsNew)
				{
					//Delete object and child objects
					DBCommandWrapper cmDelete = DBUtil.GetCommandFromSQL("DELETE FROM aPartAssembly WHERE aID = @ID;");
					cmDelete.AddInParameter("@ID",DbType.Guid,this.mID);
					DBUtil.DB.ExecuteNonQuery(cmDelete, tr);
					DBUtil.RemoveKeywords(tr,RootObjectTypes.PartAssembly,this.mID);
					//-----------------------------
				}
				MarkNew();
				return;
			}

			#endregion

			#region Add / Update
			
			//get modification time temporarily, if update succeeds then
			//set to this time
			System.DateTime dtModified = DBUtil.CurrentWorkingDateTime;

			DBCommandWrapper cm = null;
			if(IsNew)//Add or update?
				cm=DBUtil.GetCommandFromSQL(
					"INSERT INTO aPartAssembly (aID, AACTIVE, aName, aDescription, " +
					"aCreated,aModified,aCreator,aModifier) VALUES (@ID,@Active, " +
					"@Name,@Description,@Created,@Modified,@CurrentUserID,@CurrentUserID)"
					);
			else
				cm=DBUtil.GetCommandFromSQL(
					"UPDATE aPartAssembly SET aID=@ID, AACTIVE=@Active, " +
					"aName=@Name, aDescription=@Description, aModifier=@CurrentUserID, " +
					"aModified=@Modified WHERE aID=@ID"
					);


			//PartAssembly fields
			cm.AddInParameter("@Active",DbType.Boolean,mActive);
			cm.AddLargeStringInParameter("@Description",mDescription);					
			cm.AddInParameter("@Name",DbType.String,mName);	
			

			//Standard fields
			cm.AddInParameter("@ID",DbType.Guid,this.mID);							
			cm.AddInParameter("@CurrentUserID",DbType.Guid, CurrentUserID);
			cm.AddInParameter("@Created",DbType.DateTime, DBUtil.ToUTC(mCreated.Date));
			cm.AddInParameter("@Modified",DbType.DateTime, DBUtil.ToUTC(dtModified));
				
					
			DBUtil.DB.ExecuteNonQuery(cm, tr);
	
			//Process keywords
			DBUtil.ProcessKeywords(tr,this.mID,RootObjectTypes.PartAssembly,IsNew,AyaBizUtils.Break(false,
				mName,mDescription
				));


			MarkOld();//db is now synched with object
			//Successful update so 
			//change modification time to match
			this.mModified.Date=dtModified;	
			#endregion
			
		}

		#endregion update		

		#endregion		

		
	}//end PartAssembly

}//end namespace GZTW.AyaNova.BLL