public IHttpActionResult InitiateWorkflow(InitiateWorkflowModel model)
{
try
{
WorkflowProcess process;
if (model.Publish)
{
process = new DocumentPublishProcess();
}
else
{
process = new DocumentUnpublishProcess();
}
IUser currentUser = _utility.GetCurrentUser();
WorkflowInstancePoco instance = process.InitiateWorkflow(int.Parse(model.NodeId), currentUser.Id, model.Comment);
string msg = string.Empty;
switch (instance.WorkflowStatus)
{
case WorkflowStatus.PendingApproval:
msg = $"Page submitted for {(model.Publish ? "publish" : "unpublish")} approval.";
break;
case WorkflowStatus.Approved:
msg = (model.Publish ? "Publish" : "Unpublish") + " workflow complete.";
if (instance.ScheduledDate.HasValue)
{
msg += $" Page scheduled for publishing at {instance.ScheduledDate.Value.ToString("dd MMM YYYY", CultureInfo.CurrentCulture)}";
}
break;
}
Log.Info(msg);
// broadcast the new task back to the client to update dashboards etc
// needs to be converted from a poco to remove unused properties and force camelCase
_hubContext.Clients.All.WorkflowStarted(
_tasksService.ConvertToWorkflowTaskList(instance.TaskInstances.ToList(), instance: instance)
.FirstOrDefault());
return(Json(new
{
message = msg,
status = 200
}, ViewHelpers.CamelCase));
}
catch (Exception e)
{
const string msg = "An error occurred initiating the workflow";
Log.Error(msg, e);
return(Content(HttpStatusCode.InternalServerError, ViewHelpers.ApiException(e, msg)));
}
}
/// <summary>
/// Converts a list of instance pocos into UI-friendly instance models
/// </summary>
/// <param name="instances"></param>
/// <returns></returns>
public List <WorkflowInstanceViewModel> ConvertToWorkflowInstanceList(List <WorkflowInstancePoco> instances)
{
List <WorkflowInstanceViewModel> workflowInstances = new List <WorkflowInstanceViewModel>();
if (instances == null || instances.Count <= 0)
{
return(workflowInstances);
}
foreach (WorkflowInstancePoco instance in instances)
{
var model = new WorkflowInstanceViewModel
{
Type = instance.WorkflowType.Description(instance.ScheduledDate),
InstanceGuid = instance.Guid,
Status = instance.StatusName,
CssStatus = instance.StatusName.ToLower().Split(' ')[0],
NodeId = instance.NodeId,
NodeName = instance.Node?.Name,
RequestedBy = instance.AuthorUser?.Name,
RequestedOn = instance.CreatedDate.ToFriendlyDate(),
CreatedDate = instance.CreatedDate,
CompletedDate = instance.CompletedDate,
Comment = instance.AuthorComment,
Tasks = _tasksService.ConvertToWorkflowTaskList(instance.TaskInstances.ToList(), false, instance)
};
workflowInstances.Add(model);
}
return(workflowInstances.OrderByDescending(x => x.CreatedDate).ToList());
}
/// <summary>
/// Converts a list of instance pocos into UI-friendly instance models
/// </summary>
/// <param name="instances"></param>
/// <returns></returns>
public List <WorkflowInstance> ConvertToWorkflowInstanceList(List <WorkflowInstancePoco> instances)
{
List <WorkflowInstance> workflowInstances = new List <WorkflowInstance>();
if (instances == null || instances.Count <= 0)
{
return(workflowInstances.OrderByDescending(x => x.RequestedOn).ToList());
}
foreach (WorkflowInstancePoco instance in instances)
{
var model = new WorkflowInstance
{
Type = instance.TypeDescription,
Status = instance.StatusName,
CssStatus = instance.StatusName.ToLower().Split(' ')[0],
NodeId = instance.NodeId,
NodeName = instance.Node.Name,
RequestedBy = instance.AuthorUser.Name,
RequestedOn = instance.CreatedDate,
CompletedOn = instance.CompletedDate,
Tasks = _tasksService.ConvertToWorkflowTaskList(instance.TaskInstances.ToList(), instance)
};
workflowInstances.Add(model);
}
return(workflowInstances.OrderByDescending(x => x.RequestedOn).ToList());
}
public IHttpActionResult GetNodeTasks(int id, int count, int page)
{
try
{
// todo -> ony fetch the require page, not all
List <WorkflowTaskInstancePoco> taskInstances = _tasksService.GetTasksByNodeId(id);
List <WorkflowTask> workflowItems = _tasksService.ConvertToWorkflowTaskList(taskInstances.Skip((page - 1) * count).Take(count).ToList());
return(Json(new
{
items = workflowItems,
total = taskInstances.Count,
page,
count
}, ViewHelpers.CamelCase));
}
catch (Exception ex)
{
string msg = $"Error getting tasks for node {id}";
Log.Error(msg, ex);
return(Content(HttpStatusCode.InternalServerError, ViewHelpers.ApiException(ex, msg)));
}
}
public IHttpActionResult GetNodeTasks(int id, int count, int page)
{
try
{
// todo -> ony fetch the require page, not all
List <WorkflowTaskInstancePoco> taskInstances = _tasksService.GetTasksByNodeId(id);
// set sorted to false as the instances are ordered by create date -> sorting will order the paged items by workflow step
List <WorkflowTask> workflowItems = _tasksService.ConvertToWorkflowTaskList(taskInstances.Skip((page - 1) * count).Take(count).ToList(), false);
return(Json(new
{
items = workflowItems,
totalPages = (int)Math.Ceiling((double)taskInstances.Count / count),
page,
count
}, ViewHelpers.CamelCase));
}
catch (Exception ex)
{
string msg = $"Error getting tasks for node {id}";
Log.Error(msg, ex);
return(Content(HttpStatusCode.InternalServerError, ViewHelpers.ApiException(ex, msg)));
}
}
