_tasks
dependent_tasks.each do |task|
task.destroy if task.dependent_on.nil?
end
end

def update_dependent_tasks(old_start, new_start)
dependent_tasks.each do |task|
task.update(start: new_start + (task.start - old_start))
end
end

def check_if_validate(date)
return true if date > DateTime.now || date == DateTime.now

errors[:base] << 'Start date must be in the future'
false
end

def duration?
return true if duration > 0

errors[:base] << 'Duration must be greater than 0'
false
end

def check_projected?(date)
return true if projected == date || projected < date

errors[:base] << 'Projected must be greater or equal to start'
false
end

def check_end?(date)
return true if finish == date || finish > date

errors[:base] << 'Finish must be greater or equal to start'