public bool ValidateDatabase()
{
var engineerCount = engineerRepository.CountAll();
// These validations make sure that exceptions are thrown for situations wher the application isn't ready to work on
// Business rule: Can't have a person work 2 consecutive days, for that reason you need to have at least 2 engineers
if (engineerCount < 2)
{
throw new ServiceValidationException("Please make sure you have at least two engineers");
}
// All the shift slots on a day must be fulfilled, if you have more shits than engineers, you're going to end up with empty slots
if (shiftsPerDay > engineerCount)
{
throw new ServiceValidationException("You can't have more shifts per day than engineers");
}
// Limitation: The amount of engineers MOD shifts per day must be 0 so we can have an even distribution of engineers per day across the period
// In a production application the whole logic would be a bit more complex in order to solve this problem but I don't think this is this test's objective
if (engineerCount % shiftsPerDay > 0)
{
throw new ServiceValidationException("Please make sure the amount of engineers in the database divided by shifts per day (configuration) has 0 rest");
}
return(true);
}
public int GetEngineerCount()
{
return(engineerRepository.CountAll());
}
