/// <summary>
/// Delete the specified identity
/// </summary>
public void DeleteIdentity(string userName, IPrincipal authContext)
{
if (String.IsNullOrEmpty(userName))
{
throw new ArgumentNullException(nameof(userName));
}
this.m_traceSource.TraceInformation("Delete identity {0}", userName);
try
{
// submit the changes
using (var dataContext = new ModelDataContext(this.m_configuration.ReadWriteConnectionString))
{
new PolicyPermission(System.Security.Permissions.PermissionState.Unrestricted, PermissionPolicyIdentifiers.UnrestrictedAdministration, authContext).Demand();
var user = dataContext.SecurityUsers.FirstOrDefault(o => o.UserName == userName);
if (user == null)
{
throw new KeyNotFoundException("Specified user does not exist!");
}
// Obsolete
user.ObsoletionTime = DateTimeOffset.Now;
user.ObsoletedByEntity = authContext.GetUser(dataContext);
user.SecurityStamp = Guid.NewGuid().ToString();
dataContext.SubmitChanges();
}
}
catch (Exception e)
{
this.m_traceSource.TraceEvent(TraceEventType.Error, e.HResult, e.ToString());
throw;
}
}
/// <summary>
/// Perform the actual update.
/// </summary>
/// <param name="context">Context.</param>
/// <param name="data">Data.</param>
public override TModel Update(ModelDataContext context, TModel data, IPrincipal principal)
{
// Check for key
if (data.Key == Guid.Empty)
{
throw new SqlFormalConstraintException(SqlFormalConstraintType.NonIdentityUpdate);
}
// Get current object
var domainObject = this.FromModelInstance(data, context, principal) as TDomain;
var currentObject = context.GetTable <TDomain>().FirstOrDefault(ExpressionRewriter.Rewrite <TDomain>(o => o.Id == data.Key));
// Not found
if (currentObject == null)
{
throw new KeyNotFoundException(data.Key.ToString());
}
// VObject
var vobject = domainObject as IDbNonVersionedBaseData;
if (vobject != null)
{
vobject.UpdatedBy = principal.GetUser(context).UserId;
vobject.UpdatedTime = DateTimeOffset.Now;
}
currentObject.CopyObjectData(domainObject);
context.SubmitChanges();
return(this.ToModelInstance(domainObject, context, principal));
}
public User GetUserFromPrincipal(IPrincipal principal)
{
if (principal == null)
{
throw new ArgumentNullException(nameof(principal));
}
return(principal.GetUser());
}
/// <summary>
/// Update the data with new version information
/// </summary>
public override TModel Update(ModelDataContext context, TModel data, IPrincipal principal)
{
if (data.Key == Guid.Empty)
{
throw new SqlFormalConstraintException(SqlFormalConstraintType.NonIdentityUpdate);
}
// This is technically an insert and not an update
var existingObject = context.GetTable <TDomain>().FirstOrDefault(ExpressionRewriter.Rewrite <TDomain>(o => o.Id == data.Key && !o.ObsoletionTime.HasValue)); // Get the last version (current)
if (existingObject == null)
{
throw new KeyNotFoundException(data.Key.ToString());
}
else if (existingObject.IsReadonly)
{
throw new SqlFormalConstraintException(SqlFormalConstraintType.UpdatedReadonlyObject);
}
// Map existing
var storageInstance = this.FromModelInstance(data, context, principal);
// Create a new version
var user = principal.GetUser(context);
var newEntityVersion = new TDomain();
newEntityVersion.CopyObjectData(storageInstance);
// Client did not change on update, so we need to update!!!
if (!data.VersionKey.HasValue ||
data.VersionKey.Value == existingObject.VersionId)
{
data.VersionKey = newEntityVersion.VersionId = Guid.NewGuid();
}
data.VersionSequence = newEntityVersion.VersionSequenceId = default(Decimal);
newEntityVersion.Id = data.Key.Value;
data.PreviousVersionKey = newEntityVersion.ReplacesVersionId = existingObject.VersionId;
data.CreatedByKey = newEntityVersion.CreatedBy = user.UserId;
// Obsolete the old version
existingObject.ObsoletedBy = user.UserId;
existingObject.ObsoletionTime = DateTime.Now;
context.GetTable <TDomain>().InsertOnSubmit(newEntityVersion);
context.SubmitChanges();
// Pull database generated fields
data.VersionSequence = newEntityVersion.VersionSequenceId;
data.CreationTime = newEntityVersion.CreationTime;
return(data);
//return base.Update(context, data, principal);
}
/// <summary>
/// Performthe actual insert.
/// </summary>
/// <param name="context">Context.</param>
/// <param name="data">Data.</param>
public override TModel Insert(ModelDataContext context, TModel data, IPrincipal principal)
{
var domainObject = this.FromModelInstance(data, context, principal) as TDomain;
if (domainObject.Id == Guid.Empty)
{
data.Key = domainObject.Id = Guid.NewGuid();
}
// Ensure created by exists
data.CreatedBy?.EnsureExists(context, principal);
data.CreatedByKey = domainObject.CreatedBy = domainObject.CreatedBy == Guid.Empty ? principal.GetUser(context).UserId : domainObject.CreatedBy;
context.GetTable <TDomain>().InsertOnSubmit(domainObject);
context.SubmitChanges();
data.CreationTime = (DateTimeOffset)domainObject.CreationTime;
return(this.ToModelInstance(domainObject, context, principal));
}
/// <summary>
/// Performs the actual obsoletion
/// </summary>
/// <param name="context">Context.</param>
/// <param name="data">Data.</param>
public override TModel Obsolete(ModelDataContext context, TModel data, IPrincipal principal)
{
if (data.Key == Guid.Empty)
{
throw new SqlFormalConstraintException(SqlFormalConstraintType.NonIdentityUpdate);
}
// Current object
var currentObject = context.GetTable <TDomain>().FirstOrDefault(ExpressionRewriter.Rewrite <TDomain>(o => o.Id == data.Key));
if (currentObject == null)
{
throw new KeyNotFoundException(data.Key.ToString());
}
data.ObsoletedBy?.EnsureExists(context, principal);
data.ObsoletedByKey = currentObject.ObsoletedBy = data.ObsoletedBy?.Key ?? principal.GetUser(context).UserId;
data.ObsoletionTime = currentObject.ObsoletionTime = currentObject.ObsoletionTime ?? DateTimeOffset.Now;
context.SubmitChanges();
return(data);
}
/// <summary>
/// Insert the data
/// </summary>
public override TModel Insert(ModelDataContext context, TModel data, IPrincipal principal)
{
// first we map the TDataKey entity
var nonVersionedPortion = m_mapper.MapModelInstance <TModel, TDomainKey>(data);
// Domain object
var domainObject = this.FromModelInstance(data, context, principal) as TDomain;
domainObject.NonVersionedObject = nonVersionedPortion;
if (nonVersionedPortion.Id == Guid.Empty &&
domainObject.Id != Guid.Empty)
{
nonVersionedPortion.Id = domainObject.Id;
}
if (nonVersionedPortion.Id == null ||
nonVersionedPortion.Id == Guid.Empty)
{
data.Key = Guid.NewGuid();
nonVersionedPortion.Id = data.Key.Value;
}
if (domainObject.VersionId == null ||
domainObject.VersionId == Guid.Empty)
{
data.VersionKey = Guid.NewGuid();
domainObject.VersionId = data.VersionKey.Value;
}
// Ensure created by exists
data.CreatedBy?.EnsureExists(context, principal);
data.CreatedByKey = domainObject.CreatedBy = domainObject.CreatedBy == Guid.Empty ? principal.GetUser(context).UserId : domainObject.CreatedBy;
context.GetTable <TDomain>().InsertOnSubmit(domainObject);
context.SubmitChanges();
data.VersionSequence = domainObject.VersionSequenceId;
data.VersionKey = domainObject.VersionId;
data.Key = domainObject.Id;
data.CreationTime = (DateTimeOffset)domainObject.CreationTime;
return(data);
}
