Files
ayanova7/source/bizobjects/AyaLib/GZTW.AyaNova.BLL/NotifySubscriber.cs
2018-06-29 19:47:36 +00:00

624 lines
14 KiB
C#

///////////////////////////////////////////////////////////
// NotifySubscriber.cs
// Implementation of Class NotifySubscriber
// CSLA type: Editable Root
// Created on: 04-Oct-2005
// Object design: John
// Coded: John 04-Oct-2005
///////////////////////////////////////////////////////////
using System;
using System.Data;
using CSLA.Data;
using GZTW.Data;
using CSLA;
using System.Threading;
using CSLA.Security;
namespace GZTW.AyaNova.BLL
{
/// <summary>
/// A user who is subscribing to notification events
/// </summary>
[Serializable]
public class NotifySubscriber : BusinessBase
{
#region Attributes
private bool bReadOnly;
private Guid mID;
private Guid mUserID;
private SmartDate mCreated;
private SmartDate mModified;
private bool mActive;
private Guid mCreator;
private Guid mModifier;
//Child collections
private NotifySubscriptions mSubscriptions;
#endregion
#region Constructor
/// <summary>
/// Private constructor to prevent direct instantiation
/// </summary>
private NotifySubscriber()
{
//Set to read / write initially so that properties
//can be set
bReadOnly=false;
//New ID
mID = Guid.NewGuid();
Active=true;
mSubscriptions=NotifySubscriptions.NewItems();
//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 User id Read only property because it's set on creation / fetch, not
/// externally
/// </summary>
public Guid UserID
{
get
{
return mUserID;
}
}
/// <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>
/// Get /set active status of NotifySubscriber
/// </summary>
public bool Active
{
get
{
return mActive;
}
set
{
if(bReadOnly)
ThrowSetError();
else
{
if(mActive!=value)
{
mActive = value;
MarkDirty();
}
}
}
}
/// <summary>
/// Collection of Subscriptions selected for this subscriber
/// </summary>
public NotifySubscriptions Subscriptions
{
get
{
return mSubscriptions;
}
}
/// <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.Notification")
)
);
}
#endregion
#region System.object overrides
/// <summary>
///
/// </summary>
/// <returns></returns>
public override string ToString()
{
return "NotifySubscriber" + mID.ToString();
}
/// <summary>
///
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public override bool Equals(Object obj)
{
if ( obj == null || GetType ( ) != obj.GetType ( ) ) return false;
NotifySubscriber c=(NotifySubscriber)obj;
return mID==c.mID;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public override int GetHashCode()
{
return ("NotifySubscriber"+mID).GetHashCode();
}
#endregion
#region Static methods
/// <summary>
/// Fetch existing NotifySubscriber
/// for indicated user ID.
///
/// If one doesn't exist it will automatically be created.
/// </summary>
/// <returns>NotifySubscriber</returns>
public static NotifySubscriber GetItem(Guid _UserID)
{
if(AyaBizUtils.Right("Object.Notification")>(int)SecurityLevelTypes.NoAccess)
{
NotifySubscriber ns= (NotifySubscriber)DataPortal.Fetch(new Criteria(_UserID));
//If there is an existing record it's UserID value will not be empty so return it
if(ns.UserID!=Guid.Empty)
return ns;
else
{
//No existing record, so make a new object and return it to be saved later
ns= new NotifySubscriber();
ns.mUserID=_UserID;
return ns;
}
}
else
throw new System.Security.SecurityException(
string.Format(
LocalizedTextTable.GetLocalizedTextDirect("Error.Security.NotAuthorizedToRetrieve"),
LocalizedTextTable.GetLocalizedTextDirect("O.Notification")));
}
/// <summary>
/// Delete NotifySubscriber for indicated user
/// </summary>
/// <param name="_UserID">NotifySubscriber UserID</param>
public static void DeleteItem(Guid _UserID)
{
if(AyaBizUtils.Right("Object.Notification")>(int)SecurityLevelTypes.ReadWrite)
DataPortal.Delete(new Criteria(_UserID));
else
throw new System.Security.SecurityException(
string.Format(
LocalizedTextTable.GetLocalizedTextDirect("Error.Security.NotAuthorizedToDelete"),
LocalizedTextTable.GetLocalizedTextDirect("O.Notification")));
}
#endregion
#region DAL DATA ACCESS
#region Fetch
///
/// <param name="Criteria"></param>
protected override void DataPortal_Fetch(object Criteria)
{
//set to false to load items initially
bReadOnly=false;
Criteria crit = (Criteria)Criteria;
SafeDataReader dr = null;
try
{
dr=DBUtil.GetReaderFromSQLString("SELECT * FROM aNotifySubscriber WHERE aUserID=@ID;",crit.UserID);
//NOTE: this is done a little differently here
//we want to handle the fact that there may not be a notification subscriber
//record for this user already by creating one.
//the call to getitem will never fail this way, if there is no existing record fetched
//it will just create one and return that instead
if(dr.Read())
{
//Standard fields
mUserID=crit.UserID;
mCreated=DBUtil.ToLocal(dr.GetSmartDate("aCreated"));
mModified=DBUtil.ToLocal(dr.GetSmartDate("aModified"));
mCreator=dr.GetGuid("aCreator");
mModifier=dr.GetGuid("aModifier");
//NotifySubscriber fields
mActive=dr.GetBoolean("AACTIVE");
if(dr!=null) dr.Close();
//Load child collection objects
//Rates
dr=DBUtil.GetReaderFromSQLString(
"SELECT * " +
"FROM aNotifySubscription WHERE aUserID=@ID;"
,crit.UserID);
mSubscriptions = NotifySubscriptions.GetItems(dr);
if(dr!=null) dr.Close();
}
else//indicate failure to read by setting UserID to empty
mUserID=Guid.Empty;
}
finally
{
if(dr!=null) dr.Close();
}
MarkOld();
//Get access rights level
bReadOnly=AyaBizUtils.Right("Object.Notification")<(int)SecurityLevelTypes.ReadWrite;
}
#endregion fetch
#region Update
/// <summary>
/// Called by DataPortal to delete/add/update data into the database
/// </summary>
protected override void DataPortal_Update()
{
//Probably not necessary to check this, if it turns out to be
//then a custom check needs to be done because the main id field is called
//"UserID", not "ID"
// // 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,"aNotifySubscriber");
//
#region Delete
if(IsDeleted)
{
if(!IsNew)
{
//Delete object and child objects
DBCommandWrapper cmDelete = DBUtil.GetCommandFromSQL("DELETE FROM aNotifySubscriber WHERE aUserID = @UserID;");
cmDelete.AddInParameter("@UserID",DbType.Guid,this.mUserID);
DBCommandWrapper cmDeleteChildren = DBUtil.GetCommandFromSQL("DELETE FROM aNotifySubscription WHERE aUserID = @UserID;");
cmDeleteChildren.AddInParameter("@UserID",DbType.Guid,mUserID);
using (IDbConnection connection = DBUtil.DB.GetConnection())
{
connection.Open();
IDbTransaction transaction = connection.BeginTransaction();
try
{
DBUtil.DB.ExecuteNonQuery(cmDelete, transaction);
DBUtil.DB.ExecuteNonQuery(cmDeleteChildren, transaction);
// Commit the transaction
transaction.Commit();
}
catch
{
// Rollback transaction
transaction.Rollback();
throw;
}
finally
{
connection.Close();
}
}
//-----------------------------
}
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 aNotifySubscriber (aUserID, AACTIVE, aCreated,aModified,aCreator,aModifier) " +
"VALUES (@UserID,@Active,@Created,@Modified,@CurrentUserID,@CurrentUserID)"
);
else
cm=DBUtil.GetCommandFromSQL(
"UPDATE aNotifySubscriber SET AACTIVE=@Active, aModifier=@CurrentUserID, " +
"aModified=@Modified WHERE " +
"aUserID=@UserID"
);
cm.AddInParameter("@UserID",DbType.Guid,mUserID);
cm.AddInParameter("@Active",DbType.Boolean, mActive);
//Standard fields
cm.AddInParameter("@CurrentUserID",DbType.Guid, CurrentUserID);
cm.AddInParameter("@Created",DbType.DateTime, DBUtil.ToUTC(mCreated).DBValue);
cm.AddInParameter("@Modified",DbType.DateTime, DBUtil.ToUTC(dtModified));
using (IDbConnection connection = DBUtil.DB.GetConnection())
{
connection.Open();
IDbTransaction transaction = connection.BeginTransaction();
try
{
DBUtil.DB.ExecuteNonQuery(cm, transaction);
//Update child objects
mSubscriptions.Update(this,transaction);
MarkOld();//db is now synched with object
// Commit the transaction
transaction.Commit();
}
catch
{
// Rollback transaction
transaction.Rollback();
throw;
}
finally
{
connection.Close();
}
//Successful update so
//change modification time to match
this.mModified.Date=dtModified;
}
#endregion
}
#endregion update
#region Delete
/// <summary>
/// Remove a NotifySubscriber record from the database
/// </summary>
/// <param name="Criteria"></param>
protected override void DataPortal_Delete(object Criteria)
{
Criteria crit = (Criteria)Criteria;
//Delete object and child objects
DBCommandWrapper cmDelete = DBUtil.GetCommandFromSQL("DELETE FROM aNotifySubscriber WHERE aUserID = @UserID;");
cmDelete.AddInParameter("@UserID",DbType.Guid,crit.UserID);
DBCommandWrapper cmDeleteChildren = DBUtil.GetCommandFromSQL("DELETE FROM aNotifySubscription WHERE aUserID = @UserID;");
cmDeleteChildren.AddInParameter("@UserID",DbType.Guid,crit.UserID);
using (IDbConnection connection = DBUtil.DB.GetConnection())
{
connection.Open();
IDbTransaction transaction = connection.BeginTransaction();
try
{
DBUtil.DB.ExecuteNonQuery(cmDelete, transaction);
//call shared delete on subscriptions collection
//to ensure notifyeventofinterest get's it's subscriber
//count updated properly
//and to ensure that any pending events for this subscriber are
//removed as well
NotifySubscriptions.DeleteItems(crit.UserID,transaction);
// Commit the transaction
transaction.Commit();
}
catch
{
// Rollback transaction
transaction.Rollback();
throw;
}
finally
{
connection.Close();
}
}
}
#endregion delete
#endregion
#region Override IsValid / IsDirty
//Override base class version if there are child objects
/// <summary>
///
/// </summary>
public override bool IsValid
{
get
{
return base.IsValid && this.mSubscriptions.IsValid;
}
}
/// <summary>
///
/// </summary>
public override bool IsDirty
{
get
{
return base.IsDirty || this.mSubscriptions.IsDirty;
}
}
#endregion
#region criteria
/// <summary>
/// Criteria for identifying existing object
/// </summary>
[Serializable]
private class Criteria
{
public Guid UserID;
public Criteria(Guid _UserID)
{
UserID=_UserID;
}
}
#endregion
}//end NotifySubscriber
}//end namespace GZTW.AyaNova.BLL