/// <summary>
/// Create a model with a workflow from the database
/// </summary>
/// <param name="name"></param>
/// <param name="version"></param>
public Model(string name, string version)
{
try
{
var json = RestClient.Get($"/workflows/{name}/versions/{version}");
Workflow = JsonConvert.DeserializeObject <WorkflowObj>(json);
CreateWorkflowInputVariables(Workflow);
}
catch (Exception)
{
MessageBox.Show("Failed to load Workflow", "Error");
}
}
/// <summary>
/// Create variables for the workflow input values
/// </summary>
/// <param name="wf"></param>
static void CreateWorkflowInputVariables(WorkflowObj wf)
{
// TODO: These should come from site-specific configuration (possible in the app config?)
var initialVars = new Dictionary <string, string>
{
["_config"] = "object", // Workflow config
["_job"] = "object", // Job data
["_jobType"] = "string", // Job source/type
["_jobId"] = "string" // External identifier
};
foreach (var v in initialVars)
{
wf.Variables[v.Key] = new VariableObj {
Type = v.Value, Description = "Workflow input variable", Path = $"$.{v.Key}"
}
}
;
}
/// <summary>
/// Create a model with a new workflow
/// </summary>
public Model()
{
Workflow = new WorkflowObj
{
Name = Guid.NewGuid().ToString().Substring(0, 8),
Version = "0.0.0.0",
ObjType = "workflow",
TaskList = "decider",
Tasks = new List <TaskObj>(),
Variables = new VariableCollection()
};
// The single, required start task
var start = new TaskObj
{
TaskId = "start",
ActivityName = "start",
ActivityVersion = "0.0.0.0",
Outflows = new [] { new FlowObj {
Name = "Out"
} },
HiddenProperties = new List <string> {
"AsyncSignal", "Inputs", "Outputs", "TaskList", "HeartbeatTimeout", "ScheduleToCloseTimeout", "ScheduleToStartTimeout", "StartToCloseTimeout", "TaskPriority"
},
Symbol = new SymbolObj
{
Name = "start",
Label = "Start",
Style = "circle",
LocationX = 100,
LocationY = 100
}
};
Workflow.Tasks.Add(start);
CreateWorkflowInputVariables(Workflow);
}