/// <summary>
/// Updates the level in the database with the supplied values, provided
/// that no game rules are violated.
/// </summary>
/// <param name="updatedLevel">The updated level (which must include the ID).</param>
/// <returns>Task.</returns>
/// <exception cref="InvalidOperationException">Thrown if the level update failed for any reason.</exception>
public async Task UpdateLevelAsync(MissionLevelViewModel updatedLevel)
{
Log.Info($"Updating level id={updatedLevel.Id} name={updatedLevel.Name} mission={updatedLevel.MissionId}");
var maybeLevel = unitOfWork.MissionLevels.GetMaybe(updatedLevel.Id);
if (maybeLevel.None)
{
Log.Error($"Update failed because level {updatedLevel.Id} was not found in the database");
throw new InvalidOperationException("The mission to be updated was not found in the database");
}
var dbLevel = maybeLevel.Single();
var maybeMission = unitOfWork.Missions.GetMaybe(updatedLevel.MissionId);
if (maybeMission.None)
{
Log.Error($"Update failed because mission {updatedLevel.MissionId} was not found in the database");
throw new InvalidOperationException("The target mission does not exist in the database");
}
var targetMission = maybeMission.Single();
if (targetMission.MissionLevels.Any(p => p.Level == updatedLevel.Level && p.Id != updatedLevel.Id))
{
Log.Warn($"Update blocked because the target mission {targetMission.Id} already had level {updatedLevel.Level}");
throw new InvalidOperationException($"The target mission already has a level {updatedLevel.Level}");
}
if (LevelHasAssociatedObservations(updatedLevel.Id))
{
Log.Warn($"Update blocked because the level has associated observations");
throw new InvalidOperationException("Cannot move a level that has observations associated with it");
}
mapper.Map(updatedLevel, dbLevel);
await unitOfWork.CommitAsync();
Log.Info($"Successfully updated level id={dbLevel.Id}");
}
// GET: Admin/MissionLevels/Create
public ActionResult Create()
{
var model = new MissionLevelViewModel();
PopulateMissionPicker(model);
return(View(model));
}
/// <summary>
/// Creates the specified level according to game rules.
/// Throws an exception if the level was invalid or could not be created.
/// </summary>
/// <param name="newLevel">The new level.</param>
public async Task CreateLevelAsync(MissionLevelViewModel newLevel)
{
Log.Info($"Creating new level id={newLevel.Id} name={newLevel.Name} in mission {newLevel.MissionId}");
var specification = new LevelExistsInMission(newLevel.Level, newLevel.MissionId);
var maybeHasLevel = unitOfWork.MissionLevels.GetMaybe(specification);
if (maybeHasLevel.Any())
{
Log.Warn($"Create failed because mission {newLevel.MissionId} already has a level {newLevel.Level}");
throw new InvalidOperationException($"There is already a level number {newLevel.Level} in the mission");
}
var levelToAdd = mapper.Map <MissionLevelViewModel, MissionLevel>(newLevel);
unitOfWork.MissionLevels.Add(levelToAdd);
await unitOfWork.CommitAsync();
Log.Info($"Successfully created level id={newLevel.Id} name={newLevel.Name} in mission {newLevel.MissionId}");
}
public async Task <ActionResult> Create(
[Bind(Include = "Id,Name,Level,AwardTitle,Precondition,MissionId")] MissionLevelViewModel model)
{
if (!ModelState.IsValid)
{
PopulateMissionPicker(model);
return(View(model));
}
try
{
await gameEngine.CreateLevelAsync(model);
return(RedirectToAction("Index"));
}
catch (InvalidOperationException e)
{
ModelState.AddModelError(string.Empty, e.Message);
PopulateMissionPicker(model);
return(View(model));
}
}
private void PopulateMissionPicker(MissionLevelViewModel model)
{
model.MissionPicker = uow.Missions.PickList.ToSelectList();
}
