public override int SaveChanges()
{
var modifiedEntities = ChangeTracker.Entries().Where(p => p.State == EntityState.Modified).ToList();
foreach (var change in modifiedEntities)
{
var entityName = System.Data.Entity.Core.Objects.ObjectContext.GetObjectType(change.Entity.GetType()).ToString();
var primaryKey = GetPrimaryKeyValue(change);
var databaseValues = change.GetDatabaseValues();
foreach (var prop in change.OriginalValues.PropertyNames)
{
var originalValue = databaseValues?.GetValue <object>(prop)?.ToString();
var currentValue = change?.CurrentValues[prop]?.ToString();
if (originalValue != currentValue)
{
ChangeLog log = new ChangeLog()
{
EntityName = entityName,
PrimaryKeyValue = primaryKey.ToString(),
PropertyName = prop,
OldValue = originalValue,
NewValue = currentValue,
DateChanged = DateTime.UtcNow,
ChangedBy = HttpContext.Current.User.Identity.Name
};
ChangeLogs.Add(log);
}
}
}
return(base.SaveChanges());
}
public override int SaveChanges()
{
//Do custom code
// throw new Exception("override DbContext>SaveChanges working");
// this.SaveChanges();
var modifiedEntities = ChangeTracker.Entries()
.Where(p => p.State == EntityState.Modified).ToList();
var now = DateTime.UtcNow;
foreach (var change in modifiedEntities)
{
var entityName = change.Entity.GetType().Name;
var primaryKey = GetPrimaryKeyValue(change);
foreach (var prop in change.OriginalValues.PropertyNames)
{
var originalValue = change.OriginalValues[prop].ToString();
var currentValue = change.CurrentValues[prop].ToString();
if (originalValue != currentValue) //Only create a log if the value changes
{
ChangeLog log = new ChangeLog()
{
EntityName = entityName,
PrimaryKeyValue = primaryKey.ToString(),
PropertyName = prop,
OldValue = originalValue,
NewValue = currentValue,
DateChanged = now
};
ChangeLogs.Add(log);
}
}
}
return(base.SaveChanges());
}
public void AddChangeLog(IssueChangeLog changeLog)
{
ChangeLogs.Add(new JIssueChangeLog(changeLog));
}
private void AddTimestamps()
{
var modifiedEntities = ChangeTracker.Entries()
.Where(x => x.Entity is EntityBase && (x.State == EntityState.Added || x.State == EntityState.Modified)).ToList();
foreach (var change in modifiedEntities)
{
var now = DateTime.Now; // current datetime
string user = GetCurrentUserID();
if (change.State == EntityState.Added)
{
((EntityBase)change.Entity).CreatedAt = now;
((EntityBase)change.Entity).CreatedBy = user;
((EntityBase)change.Entity).UpdatedAt = now;
((EntityBase)change.Entity).UpdatedBy = user;
}
else
{
var entityName = change.Entity.GetType().Name;
var primaryKey = GetPrimaryKeyValue(change);
var DatabaseValues = change.GetDatabaseValues();
foreach (var prop in change.OriginalValues.PropertyNames.Where(x => !x.Equals("UpdatedBy") && !x.Equals("UpdatedAt") && !x.Equals("CreatedBy") && !x.Equals("CreatedAt")))
{
//if (prop == "ItemID")
//{
// //var x = DatabaseValues.GetValue<object>(prop).GetType();
//}
string originalValue = string.Empty;
string currentValue = string.Empty;
if (DatabaseValues.GetValue <object>(prop) != null)
{
switch (Type.GetTypeCode(DatabaseValues.GetValue <object>(prop).GetType()))
{
case TypeCode.DateTime:
originalValue = string.Format("{0:yyyy-MM-dd}", DatabaseValues.GetValue <object>(prop));
break;
case TypeCode.Decimal:
originalValue = string.Format("{0:0.00}", DatabaseValues.GetValue <object>(prop));
break;
default:
originalValue = DatabaseValues.GetValue <object>(prop).ToString();
break;
}
}
if (change.CurrentValues[prop] != null)
{
switch (Type.GetTypeCode(change.CurrentValues[prop].GetType()))
{
case TypeCode.DateTime:
currentValue = string.Format("{0:yyyy-MM-dd}", change.CurrentValues[prop]);
break;
case TypeCode.Decimal:
currentValue = string.Format("{0:0.00}", change.CurrentValues[prop]);
break;
default:
currentValue = change.CurrentValues[prop].ToString();
break;
}
}
if (originalValue != currentValue) //Only create a log if the value changes
{
ChangeLogs.Add(new ChangeLog()
{
EntityName = entityName,
//NewValue = currentValue,
OldValue = originalValue,
PrimaryKeyValue = int.Parse(primaryKey.ToString()),
UpdatedAt = now,
UpdatedBy = user,
PropertyName = prop,
});
}
}
((EntityBase)change.Entity).UpdatedAt = now;
((EntityBase)change.Entity).UpdatedBy = user;
}
}
}
