public static SimpleValidationResult CanDelete(Election election)
{
SimpleValidationResult result = new SimpleValidationResult();
result.RequireCurrentState(election, ElectionState.Aborted);
// Only check the time requirement when the state is correct
if (result)
{
int daysRequired = GetConfiguration().MinDaysForDeletion;
DateTime?abortedAt = new VotingDbContext().ElectionStateChanges
.Where(change => change.ElectionId == election.Id)
.Where(change => change.TargetState == ElectionState.Aborted)
.OrderByDescending(change => change.CompletedAt)
.Select(change => change.CompletedAt)
.First();
if (!abortedAt.HasValue)
{
throw new Exception(
$"Transition to {ElectionState.Aborted} has no {nameof(ElectionStateChange.CompletedAt)} set"
);
}
if (abortedAt.Value.AddDays(daysRequired) > DateTime.Now)
{
result.Violations.Add(new NotEnoughTimeSinceAbort(daysRequired));
}
}
return(result);
}
public static SimpleValidationResult CanVote(Election election)
{
SimpleValidationResult result = new SimpleValidationResult();
result.RequireCurrentState(election, ElectionState.Voting);
return(result);
}
public static SimpleValidationResult CanDeactivate(Election election)
{
SimpleValidationResult result = new SimpleValidationResult();
result.RequireCurrentState(election, ElectionState.PreNominations);
return(result);
}
public static SimpleValidationResult CanEdit(Election election)
{
SimpleValidationResult result = new SimpleValidationResult();
result.ProhibitState(election, ElectionState.ResultsPublished);
result.ProhibitState(election, ElectionState.Aborted);
return(result);
}
public static SimpleValidationResult CanForcePositionGeneration(Election election)
{
SimpleValidationResult result = new SimpleValidationResult();
result.RequireCurrentState(election, ElectionState.Disabled);
result.RequireType(election, ElectionType.CourseRepresentative);
return(result);
}
private static void RequireType(
this SimpleValidationResult result,
Election election,
ElectionType requiredType
)
{
if (election.Type != requiredType)
{
result.Violations.Add(new NotRequiredType(requiredType));
}
}
private static void ProhibitState(
this SimpleValidationResult result,
Election election,
ElectionState prohibitedState
)
{
if (election.State == prohibitedState)
{
result.Violations.Add(new ProhibitedState(prohibitedState));
}
}
private static void RequireCurrentState(
this SimpleValidationResult result,
Election election,
ElectionState requiredState
)
{
if (election.State != requiredState)
{
result.Violations.Add(new NotInRequiredState(requiredState));
}
}
public static SimpleValidationResult CanPublishResults(Election election)
{
SimpleValidationResult result = new SimpleValidationResult();
result.RequireCurrentState(election, ElectionState.Closed);
if (election.ResultsText == null)
{
result.Violations.Add(new NoResultsEntered());
}
return(result);
}
public static SimpleValidationResult CanActivate(Election election)
{
SimpleValidationResult result = new SimpleValidationResult();
result.RequireCurrentState(election, ElectionState.Disabled);
int hoursRequired = GetConfiguration().MinHoursUntilActivation;
if (hoursRequired > 0 && election.Nominations.BeginsAt < DateTime.Now.AddHours(hoursRequired))
{
result.Violations.Add(new NominationsTooClose(hoursRequired));
}
if (election.PositionGenerationInProcess)
{
result.Violations.Add(new PositionGenerationInProcess());
}
return(result);
}