/// <summary>
/// Activates and processes a workflow activity. If the workflow has not yet been activated, it will
/// also be activated
/// </summary>
/// <param name="activityName">Name of the activity.</param>
/// <param name="errorMessages">The error messages.</param>
/// <returns></returns>
/// <exception cref="System.Exception"></exception>
protected bool ProcessActivity(string activityName, out List <string> errorMessages)
{
errorMessages = new List <string>();
Guid?guid = GetAttributeValue("WorkflowType").AsGuidOrNull();
if (guid.HasValue)
{
using (var rockContext = new RockContext())
{
var workflowTypeService = new WorkflowTypeService(rockContext);
var workflowService = new WorkflowService(rockContext);
var workflowType = workflowTypeService.Queryable("ActivityTypes")
.Where(w => w.Guid.Equals(guid.Value))
.FirstOrDefault();
if (workflowType != null)
{
if (CurrentWorkflow == null)
{
CurrentWorkflow = Rock.Model.Workflow.Activate(workflowType, CurrentCheckInState.Kiosk.Device.Name, rockContext);
if (Request["Override"] != null)
{
if (Request["Override"].ToString() == "True")
{
CurrentWorkflow.SetAttributeValue("Override", "True");
}
}
}
var activityType = workflowType.ActivityTypes.Where(a => a.Name == activityName).FirstOrDefault();
if (activityType != null)
{
WorkflowActivity.Activate(activityType, CurrentWorkflow, rockContext);
if (workflowService.Process(CurrentWorkflow, CurrentCheckInState, out errorMessages))
{
// Keep workflow active for continued processing
CurrentWorkflow.CompletedDateTime = null;
return(true);
}
}
else
{
errorMessages.Add(string.Format("Workflow type does not have a '{0}' activity type", activityName));
}
}
else
{
errorMessages.Add("Invalid Workflow Type");
}
}
}
return(false);
}
/// <summary>
/// Saves the attribute value.
/// </summary>
/// <param name="workflow">The workflow.</param>
/// <param name="key">The key.</param>
/// <param name="value">The value.</param>
/// <param name="fieldType">Type of the field.</param>
/// <param name="rockContext">The rock context.</param>
/// <param name="qualifiers">The qualifiers.</param>
/// <returns></returns>
private static bool SaveAttributeValue(Rock.Model.Workflow workflow, string key, string value,
FieldTypeCache fieldType, RockContext rockContext, Dictionary <string, string> qualifiers = null)
{
bool createdNewAttribute = false;
if (workflow.Attributes.ContainsKey(key))
{
workflow.SetAttributeValue(key, value);
}
else
{
// Read the attribute
var attributeService = new AttributeService(rockContext);
var attribute = attributeService
.Get(workflow.TypeId, "WorkflowTypeId", workflow.WorkflowTypeId.ToString())
.Where(a => a.Key == key)
.FirstOrDefault();
// If workflow attribute doesn't exist, create it
// ( should only happen first time a background check is processed for given workflow type)
if (attribute == null)
{
attribute = new Rock.Model.Attribute();
attribute.EntityTypeId = workflow.TypeId;
attribute.EntityTypeQualifierColumn = "WorkflowTypeId";
attribute.EntityTypeQualifierValue = workflow.WorkflowTypeId.ToString();
attribute.Name = key.SplitCase();
attribute.Key = key;
attribute.FieldTypeId = fieldType.Id;
attributeService.Add(attribute);
if (qualifiers != null)
{
foreach (var keyVal in qualifiers)
{
var qualifier = new Rock.Model.AttributeQualifier();
qualifier.Key = keyVal.Key;
qualifier.Value = keyVal.Value;
attribute.AttributeQualifiers.Add(qualifier);
}
}
createdNewAttribute = true;
}
// Set the value for this action's instance to the current time
var attributeValue = new Rock.Model.AttributeValue();
attributeValue.Attribute = attribute;
attributeValue.EntityId = workflow.Id;
attributeValue.Value = value;
new AttributeValueService(rockContext).Add(attributeValue);
}
return(createdNewAttribute);
}
private void CopyAttributes(Rock.Model.Workflow newWorkflow, Rock.Model.WorkflowActivity currentActivity, RockContext rockContext)
{
if (currentActivity.Attributes == null)
{
currentActivity.LoadAttributes(rockContext);
}
if (currentActivity.Workflow.Attributes == null)
{
currentActivity.Workflow.LoadAttributes(rockContext);
}
// Pass attributes from current Workflow to new Workflow.
foreach (string key in currentActivity.Workflow.AttributeValues.Keys)
{
newWorkflow.SetAttributeValue(key, currentActivity.Workflow.GetAttributeValue(key));
}
// Pass attributes from current Activity to new Workflow.
foreach (string key in currentActivity.AttributeValues.Keys)
{
newWorkflow.SetAttributeValue(key, currentActivity.GetAttributeValue(key));
}
}
/// <summary>
/// Activates and processes a workflow activity. If the workflow has not yet been activated, it will
/// also be activated
/// </summary>
/// <param name="activityName">Name of the activity.</param>
/// <param name="errorMessages">The error messages.</param>
/// <returns></returns>
/// <exception cref="System.Exception"></exception>
protected bool ProcessActivity( string activityName, out List<string> errorMessages )
{
errorMessages = new List<string>();
Guid? guid = GetAttributeValue( "WorkflowType" ).AsGuidOrNull();
if ( guid.HasValue )
{
using ( var rockContext = new RockContext() )
{
var workflowTypeService = new WorkflowTypeService( rockContext );
var workflowService = new WorkflowService( rockContext );
var workflowType = workflowTypeService.Queryable( "ActivityTypes" )
.Where( w => w.Guid.Equals( guid.Value ) )
.FirstOrDefault();
if ( workflowType != null )
{
if ( CurrentWorkflow == null )
{
CurrentWorkflow = Rock.Model.Workflow.Activate( workflowType, CurrentCheckInState.Kiosk.Device.Name, rockContext );
if ( IsOverride )
{
CurrentWorkflow.SetAttributeValue( "Override", "True" );
}
}
var activityType = workflowType.ActivityTypes.Where( a => a.Name == activityName ).FirstOrDefault();
if ( activityType != null )
{
WorkflowActivity.Activate( activityType, CurrentWorkflow, rockContext );
if ( workflowService.Process( CurrentWorkflow, CurrentCheckInState, out errorMessages ) )
{
// Keep workflow active for continued processing
CurrentWorkflow.CompletedDateTime = null;
return true;
}
}
else
{
errorMessages.Add( string.Format( "Workflow type does not have a '{0}' activity type", activityName ) );
}
}
else
{
errorMessages.Add( "Invalid Workflow Type" );
}
}
}
return false;
}
/// <summary>
/// Renders the specified context.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="result">The result.</param>
public override void Render(Context context, TextWriter result)
{
// first ensure that entity commands are allowed in the context
if (!this.IsAuthorized(context))
{
result.Write(string.Format(RockLavaBlockBase.NotAuthorizedMessage, this.Name));
base.Render(context, result);
return;
}
var attributes = new Dictionary <string, string>();
string parmWorkflowType = null;
string parmWorkflowName = null;
string parmWorkflowId = null;
string parmActivityType = null;
/* Parse the markup text to pull out configuration parameters. */
var parms = ParseMarkup(_markup, context);
foreach (var p in parms)
{
if (p.Key.ToLower() == "workflowtype")
{
parmWorkflowType = p.Value;
}
else if (p.Key.ToLower() == "workflowname")
{
parmWorkflowName = p.Value;
}
else if (p.Key.ToLower() == "workflowid")
{
parmWorkflowId = p.Value;
}
else if (p.Key.ToLower() == "activitytype")
{
parmActivityType = p.Value;
}
else
{
attributes.AddOrReplace(p.Key, p.Value);
}
}
/* Process inside a new stack level so our own created variables do not
* persist throughout the rest of the workflow. */
context.Stack(() =>
{
using (var rockContext = new RockContext())
{
WorkflowService workflowService = new WorkflowService(rockContext);
Rock.Model.Workflow workflow = null;
WorkflowActivity activity = null;
/* They provided a WorkflowType, so we need to kick off a new workflow. */
if (parmWorkflowType != null)
{
string type = parmWorkflowType;
string name = parmWorkflowName ?? string.Empty;
WorkflowTypeCache workflowType = null;
/* Get the type of workflow */
if (type.AsGuidOrNull() != null)
{
workflowType = WorkflowTypeCache.Read(type.AsGuid());
}
else if (type.AsIntegerOrNull() != null)
{
workflowType = WorkflowTypeCache.Read(type.AsInteger());
}
/* Try to activate the workflow */
if (workflowType != null)
{
workflow = Rock.Model.Workflow.Activate(workflowType, parmWorkflowName);
/* Set any workflow attributes that were specified. */
foreach (var attr in attributes)
{
if (workflow.Attributes.ContainsKey(attr.Key))
{
workflow.SetAttributeValue(attr.Key, attr.Value.ToString());
}
}
if (workflow != null)
{
List <string> errorMessages;
workflowService.Process(workflow, out errorMessages);
if (errorMessages.Any())
{
context["Error"] = string.Join("; ", errorMessages.ToArray());
}
context["Workflow"] = workflow;
}
else
{
context["Error"] = "Could not activate workflow.";
}
}
else
{
context["Error"] = "Workflow type not found.";
}
}
/* They instead provided a WorkflowId, so we are working with an existing Workflow. */
else if (parmWorkflowId != null)
{
string id = parmWorkflowId.ToString();
/* Get the workflow */
if (id.AsGuidOrNull() != null)
{
workflow = workflowService.Get(id.AsGuid());
}
else if (id.AsIntegerOrNull() != null)
{
workflow = workflowService.Get(id.AsInteger());
}
if (workflow != null)
{
if (workflow.CompletedDateTime == null)
{
/* Currently we cannot activate an activity in a workflow that is currently
* being processed. The workflow is held in-memory so the activity we would
* activate would not show up for the processor and probably never run.
*/
if (!workflow.IsProcessing)
{
bool hasError = false;
/* If they provided an ActivityType parameter then we need to activate
* a new activity in the workflow.
*/
if (parmActivityType != null)
{
string type = parmActivityType.ToString();
WorkflowActivityTypeCache activityType = null;
/* Get the type of activity */
if (type.AsGuidOrNull() != null)
{
activityType = WorkflowActivityTypeCache.Read(type.AsGuid());
}
else if (type.AsIntegerOrNull() != null)
{
activityType = WorkflowActivityTypeCache.Read(type.AsInteger());
}
if (activityType != null)
{
activity = WorkflowActivity.Activate(activityType, workflow);
/* Set any workflow attributes that were specified. */
foreach (var attr in attributes)
{
if (activity.Attributes.ContainsKey(attr.Key))
{
activity.SetAttributeValue(attr.Key, attr.Value.ToString());
}
}
}
else
{
context["Error"] = "Activity type was not found.";
hasError = true;
}
}
/* Process the existing Workflow. */
if (!hasError)
{
List <string> errorMessages;
workflowService.Process(workflow, out errorMessages);
if (errorMessages.Any())
{
context["Error"] = string.Join("; ", errorMessages.ToArray());
}
context["Workflow"] = workflow;
context["Activity"] = activity;
}
}
else
{
context["Error"] = "Cannot activate activity on workflow that is currently being processed.";
}
}
else
{
context["Error"] = "Workflow has already been completed.";
}
}
else
{
context["Error"] = "Workflow not found.";
}
}
else
{
context["Error"] = "Must specify one of WorkflowType or WorkflowId.";
}
RenderAll(NodeList, context, result);
}
});
}