filters = {
        :today => Date.beginning_of_day..Date.now,
        :yesterday => Date.yesterday.beginning_of_day..Date.now,
        :lw => (Date.now - 1.week)..Date.now,
        :l2w => (Date.now - 2.weeks)..Date.now,
        :lm => (Date.now - 1.month)..Date.now,
        :l2m => (Date.now - 3.months)..Date.now
    }