private void btnSave_Click(object sender, EventArgs e)
{
if (String.IsNullOrWhiteSpace(txTemplateName.Text))
{
Controller.HandleError("Name is required", "Validation Error");
return;
}
if (String.IsNullOrWhiteSpace(txTemplateText.Text))
{
Controller.HandleError("Text is required", "Validation Error");
return;
}
//if not General then can only have one
NotificationTemplateType templateType = (NotificationTemplateType)cbTemplateType.SelectedItem;
if (templateType != NotificationTemplateType.General)
{
var existing = _Context.NotificationTemplateSet.Where(a => a.TemplateType == templateType).FirstOrDefault();
if (existing != null)
{
if (_Item == null || _Item.id != existing.id)
{
Controller.HandleError("A template is already defined for " + templateType.ToString() + " please edit the existing tempalte", "Validation Error");
return;
}
}
//validate that all tags are valid
var tags = NotificationTemplate.GetAllTags(txTemplateText.Text);
var allowedTags = NotificationTypeTag.NotificationTags[templateType];
var allowedTagnames = allowedTags.Select(a => NotificationTypeTag.TagName(a)).ToArray();
var tagsNotAllowed = tags.Where(a => !allowedTagnames.Contains(a)).ToList();
if (tagsNotAllowed.Count() > 0)
{
string errText = string.Empty;
foreach (var s in tagsNotAllowed)
{
errText += s + Environment.NewLine;
}
Controller.HandleError("The following tags are invalid for this message type " + Environment.NewLine +
errText, "Validation Error");
return;
}
}
if (_Item == null)
{
_Item = new NotificationTemplate();
_Context.NotificationTemplateSet.Add(_Item);
}
_Item.TemplateName = txTemplateName.Text;
_Item.MessageText = txTemplateText.Text;
_Item.TemplateType = (NotificationTemplateType)cbTemplateType.SelectedItem;
try
{
bool isNew = _Item.id == 0;
_Context.SaveChanges();
if (isNew)
{
_Data.Insert(0, _Item);
}
BindDataGrid();
GotoReadOnly();
}
catch (DbUpdateException)
{
Controller.HandleError("Possible duplicate record detected", "Database Error");
}
catch (Exception ex2)
{
Controller.HandleError(ex2.Message);
}
}
