Jorge Manrubia
59 lines
1.3 KiB
Ruby
59 lines
1.3 KiB
Ruby
class TimeWindowParser
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attr_reader :now
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HUMAN_NAMES_BY_VALUE = {
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"today" => "Today",
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"yesterday" => "Yesterday",
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"thisweek" => "This week",
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"thismonth" => "This month",
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"thisyear" => "This year",
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"lastweek" => "Last week",
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"lastmonth" => "Last month",
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"lastyear" => "Last year"
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}
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VALUES = HUMAN_NAMES_BY_VALUE.keys
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class << self
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def parse(string)
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new.parse(string)
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end
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def human_name_for(value)
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HUMAN_NAMES_BY_VALUE[value]
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end
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end
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def initialize(now: Time.current)
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@now = now
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end
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def parse(string)
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case normalize(string)
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when "today"
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now.beginning_of_day..now.end_of_day
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when "yesterday"
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(now - 1.day).beginning_of_day..(now - 1.day).end_of_day
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when "thisweek"
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now.beginning_of_week..now.end_of_week
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when "thismonth"
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now.beginning_of_month..now.end_of_month
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when "thisyear"
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now.beginning_of_year..now.end_of_year
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when "lastweek"
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(now - 1.week).beginning_of_week..(now - 1.week).end_of_week
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when "lastmonth"
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(now - 1.month).beginning_of_month..(now - 1.month).end_of_month
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when "lastyear"
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(now - 1.year).beginning_of_year..(now - 1.year).end_of_year
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end
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end
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private
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def normalize(string)
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if string
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string.downcase.gsub(/[\s_\-]/, "")
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end
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end
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end
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