public void InitWorkflow(string className)
{
//Get the workflow object by class name
if (Workflow.LoadByObjectName(className))
{
//Get all unique owners for this workflow
WFOwnerGroups.Load(Workflow.ID);
//Add an owner group to the work flow owners
foreach (ENTWFOwnerGroupEO entWFOwnerGroup in WFOwnerGroups)
{
Nullable <int> entUserAccountId = null;
if (entWFOwnerGroup.IsDefaultSameAsLast)
{
//Get this user's last request and set it as the default.
var lastUser = new ENTWFItemOwnerData().SelectLastUserByGroupId(entWFOwnerGroup.ID, WFItem.SubmitterENTUserAccountId);
if ((lastUser != null) && (lastUser.ENTUserAccountId != null))
{
entUserAccountId = lastUser.ENTUserAccountId;
}
}
else
{
//set the owner to the default one selected for this group.
entUserAccountId = entWFOwnerGroup.DefaultENTUserAccountId;
}
string userName = "";
if (entUserAccountId != null)
{
//get the user's name
var userAccount = new ENTUserAccountEO();
userAccount.Load((int)entUserAccountId);
userName = userAccount.DisplayText;
}
//Add this item owner with the default user.
WFOwners.Add(new ENTWFItemOwnerEO {
ENTUserAccountId = entUserAccountId, ENTWFOwnerGroupId = entWFOwnerGroup.ID, UserName = userName
});
}
//Load the transitions based on the current state.
WFTransitions.Load(WFItem.CurrentWFStateId);
}
else
{
throw new Exception("Workflow not set correctly. Please associate this item with a workflow.");
}
}
/// <summary>
/// Retrieves all the workflow data associated with this item.
/// </summary>
/// <param name="className"></param>
/// <param name="itemId"></param>
public void LoadWorkflow(string className, int itemId)
{
//Get the workflow object by class name
if (Workflow.LoadByObjectName(className))
{
//Load the WFItem using the itemId, this is the not the same as the primary key for the WFItem.
WFItem.LoadByItemId(Workflow.ID, itemId);
//Get all owner groups for this workflow
WFOwnerGroups.Load(Workflow.ID);
//Get the owners for this item
WFOwners.Load(WFItem.ID);
//Add any owner groups that aren't in the list
foreach (ENTWFOwnerGroupEO wfOwnerGroup in WFOwnerGroups)
{
ENTWFItemOwnerEO wfItemOwner = WFOwners.SingleOrDefault(o => o.ENTWFOwnerGroupId == wfOwnerGroup.ID);
if (wfItemOwner == null)
{
//Add this with a blank user
WFOwners.Add(new ENTWFItemOwnerEO {
ENTWFItemId = itemId, ENTWFOwnerGroupId = wfOwnerGroup.ID
});
}
}
//Get all the state histories
WFStateHistory.Load(WFItem.ID);
//Load the transitions based on the current state.
WFTransitions.Load(WFItem.CurrentWFStateId);
//Load the current state.
_currentState = new ENTWFStateEO();
_currentState.Load(WFItem.CurrentWFStateId);
}
else
{
throw new Exception("Workflow not set correctly. Please associate this item with a workflow.");
}
}
private void ValidateWorkflow(HRPaidTimeOffDataContext db, ref ENTValidationErrors validationErrors,
ENTBaseEO item)
{
//If the current owner is required.
if (CurrentOwnerENTUserAccountId == 0)
{
validationErrors.Add("Please select the " + WFOwnerGroups.GetByENTWFOwnerGroupId(Convert.ToInt32(CurrentState.ENTWFOwnerGroupId)).OwnerGroupName + ".");
}
if (OriginalItem == null)
{
throw new Exception("The original item was not sent to the workflow save method.");
}
else
{
//Check required fields.
ENTWFStatePropertyEOList entWFStateProperties = new ENTWFStatePropertyEOList();
entWFStateProperties.Load(db, WFItem.CurrentWFStateId);
Type objectType = Type.GetType(Workflow.ENTWorkflowObjectName);
foreach (ENTWFStatePropertyEO entWFStateProperty in entWFStateProperties)
{
if (entWFStateProperty.Required)
{
PropertyInfo property = objectType.GetProperty(entWFStateProperty.PropertyName);
string errorMessage = "The " + entWFStateProperty.PropertyName + " is required.";
if (property.PropertyType.IsEnum)
{
Array a = Enum.GetValues(property.PropertyType);
int value = Convert.ToInt32(property.GetValue(item, null));
bool isValid = false;
foreach (int i in a)
{
if (i == value)
{
isValid = true;
break;
}
}
if (isValid == false)
{
validationErrors.Add(errorMessage);
}
}
else
{
switch (property.PropertyType.Name)
{
case "Int32":
if (Convert.ToInt32(property.GetValue(item, null)) == 0)
{
validationErrors.Add(errorMessage);
}
break;
case "String":
if ((property.GetValue(item, null) == null) || (property.GetValue(item, null).ToString() == string.Empty))
{
validationErrors.Add(errorMessage);
}
break;
case "DateTime":
if ((property.GetValue(item, null) == null) || (Convert.ToDateTime(property.GetValue(item, null)) == DateTime.MinValue))
{
validationErrors.Add(errorMessage);
}
break;
case "Nullable`1":
if (property.GetValue(item, null) == null)
{
validationErrors.Add(errorMessage);
}
break;
default:
throw new Exception("Property type unknown.");
}
}
}
//Check if this field is read only. Only check read only fields if the record was already submitted.
if (((ENTBaseWorkflowEO)OriginalItem).CurrentState.ID != 0)
{
if (entWFStateProperty.ReadOnly)
{
PropertyInfo property = objectType.GetProperty(entWFStateProperty.PropertyName);
if (property.GetValue(item, null).ToString() != property.GetValue(OriginalItem, null).ToString())
{
validationErrors.Add("The " + entWFStateProperty.PropertyName + " can not be changed.");
}
}
}
}
}
}
