//when you post using the above http address it will run this method. it will pass the object you are posting into the method
public IActionResult Post([FromBody] TrackedTask trackedTask)
{
if (!ModelState.IsValid) //it will check the model state to make sure it's valid
{
return(BadRequest(ModelState)); //if invalid it will return badrequest
}
context.TrackedTask.Add(trackedTask); //if valid it will add the task to the context
try
{
context.SaveChanges(); //to add save the changes to the context to the DB
}
catch (DbUpdateException) //if the try doesn't work, we'll catch the exception
{
if (TrackedTaskExists(trackedTask.Taskid)) //if the task exists,
{
return(new StatusCodeResult(StatusCodes.Status409Conflict)); //we'll return an error saying there is a conflict
}
else
{
throw;
}
}
//return new OkObjectResult(trackedTask); //this one worked when the CreatedAtRoute was not working
return(CreatedAtRoute("GetTrackedTask", new { id = trackedTask.Taskid }, trackedTask)); //this did not work until I named the route in the get method above
}
public IActionResult Put(int id, [FromBody] TrackedTask trackedTask)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (id != trackedTask.Taskid)
{
return(BadRequest(ModelState));
}
if (trackedTask.TaskOrderStatus == OrderStatus.Complete)
//this checks the value of the enum to see if it is complete
{
trackedTask.CompletedOn = DateTime.Now;
}
context.TrackedTask.Update(trackedTask);
try
{
context.SaveChanges();
}
catch (DbUpdateException)
{
if (TrackedTaskExists(trackedTask.Taskid))
{
return(new StatusCodeResult(StatusCodes.Status409Conflict));
}
else
{
throw;
}
}
return(Ok(trackedTask));
}
public bool StartTracking(Task task, OnTaskContinuationSetCallback callback, object userData)
{
var trackedTask = new TrackedTask
{
TaskReference = new WeakReference <Task>(task, trackResurrection: false),
Callback = callback,
UserData = userData
};
lock (_trackedTasks)
{
_trackedTasks.Add(trackedTask);
}
return(true);
}
public IActionResult Get([FromRoute] int id)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState)); //if the model state is bad it will return badrequest
}
try //here we will try to pull the one task by using a linq query matching the passed in id (from the http route) with the id of a single task id in the DB
{
TrackedTask trackedTask = context.TrackedTask.Single(m => m.Taskid == id);
if (trackedTask == null)
{
return(NotFound()); //if it does not find the id, it will return not found
}
return(Ok(trackedTask)); //if it finds the task it will return it
}
catch (System.InvalidOperationException ex)
//if the try doesn't work, it will catch the error
{
return(NotFound(ex)); //and then return the error
}
}
public IActionResult Delete(int id, [FromBody] TrackedTask trackedTask)
{
if (id != trackedTask.Taskid)
{
return(BadRequest(ModelState));
}
context.TrackedTask.Remove(trackedTask);
try
{
context.SaveChanges();
}
catch
{
if (TrackedTaskExists(trackedTask.Taskid))
{
return(new StatusCodeResult(StatusCodes.Status409Conflict));
}
else
{
throw;
}
}
return(Ok(trackedTask));
}
