private void ValidateTarget()
{
if (IsMessage(PluginMessage.Create, PluginMessage.Update) && IsStage(PluginStage.PreOperationEvent))
{
if (FieldChanging(Fields.jmcg_workflowtask_.jmcg_targetworkflow,
Fields.jmcg_workflowtask_.jmcg_workflowexecutiontype
, Fields.jmcg_workflowtask_.jmcg_fetchquery
, Fields.jmcg_workflowtask_.jmcg_targetviewid))
{
var requiredTargetedType = Entities.jmcg_workflowtask;
//if a fetch target validate the fetch and get its target type
var type = GetOptionSet(Fields.jmcg_workflowtask_.jmcg_workflowexecutiontype);
switch (type)
{
case OptionSets.WorkflowTask.WorkflowExecutionType.TargetPerFetchResult:
case OptionSets.WorkflowTask.WorkflowExecutionType.TargetPerViewResult:
{
var fetch = GetStringField(Fields.jmcg_workflowtask_.jmcg_fetchquery);
if (type == OptionSets.WorkflowTask.WorkflowExecutionType.TargetPerViewResult)
{
var savedQueryId = GetStringField(Fields.jmcg_workflowtask_.jmcg_targetviewid);
if (string.IsNullOrWhiteSpace(savedQueryId))
{
throw new InvalidPluginExecutionException(string.Format("{0} is required when {1} is {2}", GetFieldLabel(Fields.jmcg_workflowtask_.jmcg_targetviewid),
GetFieldLabel(Fields.jmcg_workflowtask_.jmcg_workflowexecutiontype), GetOptionLabel(OptionSets.WorkflowTask.WorkflowExecutionType.TargetPerViewResult, Fields.jmcg_workflowtask_.jmcg_workflowexecutiontype)));
}
var savedQuery = XrmService.Retrieve(Entities.savedquery, new Guid(savedQueryId));
fetch = savedQuery.GetStringField(Fields.savedquery_.fetchxml);
}
if (fetch.IsNullOrWhiteSpace())
{
throw new InvalidPluginExecutionException(string.Format("{0} is required when {1} is {2}", GetFieldLabel(Fields.jmcg_workflowtask_.jmcg_fetchquery),
GetFieldLabel(Fields.jmcg_workflowtask_.jmcg_workflowexecutiontype), GetOptionLabel(OptionSets.WorkflowTask.WorkflowExecutionType.TargetPerFetchResult, Fields.jmcg_workflowtask_.jmcg_workflowexecutiontype)));
}
try
{
requiredTargetedType = XrmService.ConvertFetchToQueryExpression(fetch).EntityName.ToLower();
}
catch (Exception ex)
{
throw new InvalidPluginExecutionException(string.Format("There was an error validating {0} it could not be converted to a {1}", GetFieldLabel(Fields.jmcg_workflowtask_.jmcg_fetchquery), typeof(QueryExpression).Name), ex);
}
break;
}
}
if (type != OptionSets.WorkflowTask.WorkflowExecutionType.ViewNotification)
{
var targetWorkflowId = GetLookupGuid(Fields.jmcg_workflowtask_.jmcg_targetworkflow);
if (!targetWorkflowId.HasValue)
{
throw new InvalidPluginExecutionException(string.Format("{0} is required", GetFieldLabel(Fields.jmcg_workflowtask_.jmcg_targetworkflow)));
}
if (type != OptionSets.WorkflowTask.WorkflowExecutionType.MonitorOnly)
{
var workflow = WorkflowSchedulerService.GetWorkflow(targetWorkflowId.Value);
if (workflow.GetStringField(Fields.workflow_.primaryentity) != requiredTargetedType)
{
throw new InvalidPluginExecutionException(
string.Format(
"Error the {0} targets the entity type of {1} but was expected to target the type {2}"
, GetFieldLabel(Fields.jmcg_workflowtask_.jmcg_targetworkflow),
workflow.GetStringField(Fields.workflow_.primaryentity), requiredTargetedType));
}
}
}
}
}
}
