public ExerciseBlock GetNextEnabledExercise(Random random = null, bool overrideDifferent = false)
{
ExerciseBlock nextExercise;
if (MostRecentExercises.Any() && !overrideDifferent)
{
nextExercise = GetNextDifferentEnabledExercise(MostRecentExercises.First(), random);
}
else
{
var exercises = GetExerciseBlocks();
var enabledExercises = exercises.Where(e => e.Enabled).ToList();
if (enabledExercises.Count == 0)
{
return(null);
}
var index = (random ?? new Random()).Next(0, enabledExercises.Count);
nextExercise = enabledExercises[Min(index, enabledExercises.Count - 1)];
}
MostRecentExercises.Delete(_ => true);
if (nextExercise != null)
{
_db.Insert(MostRecentExercise.FromBlock(nextExercise));
}
return(nextExercise);
}
private ExerciseBlock GetNextDifferentEnabledExercise(MostRecentExercise mostRecentExercise, Random random = null)
{
var exercises = GetExerciseBlocks();
var enabledExercises = exercises.Where(e => e.Enabled);
// Look at name and quantitiy instead of Id since users can create multiple blocks that are the same
var differentEnabledExercises = enabledExercises.Where(e =>
!e.CombinedName.Equals(mostRecentExercise.CombinedName, StringComparison.CurrentCultureIgnoreCase) ||
(e.CombinedName.Equals(mostRecentExercise.CombinedName, StringComparison.CurrentCultureIgnoreCase) &&
e.Quantity != mostRecentExercise.Quantity))
.ToList();
// If there are no different exercises, see if there are any available at all
if (differentEnabledExercises.Count == 0)
{
return(GetNextEnabledExercise(random, true));
}
var index = (random ?? new Random()).Next(0, differentEnabledExercises.Count);
return(differentEnabledExercises[Min(index, differentEnabledExercises.Count - 1)]);
}