foodsoft/app/models/periodic_task_group.rb

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class PeriodicTaskGroup < ActiveRecord::Base
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has_many :tasks, dependent: :destroy
def has_next_task?
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return false if tasks.empty?
return false if tasks.first.due_date.nil?
return true
end
def create_next_task
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template_task = tasks.first
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self.next_task_date ||= template_task.due_date + period_days
next_task = template_task.dup
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next_task.due_date = next_task_date
next_task.save
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self.next_task_date += period_days
self.save
end
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def exclude_tasks_before(task)
tasks.where("due_date < '#{task.due_date}'").each do |t|
t.update_attribute(:periodic_task_group, nil)
end
end
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protected
# @return [Number] Number of days between two periodic tasks
def period_days
# minimum of one to avoid inifite loop when value is invalid
[FoodsoftConfig[:tasks_period_days].to_i, 1].max
end
end