Module: YiffSpace::Utils::ParseValue

Extended by:
ParseValue
Included in:
ParseValue
Defined in:
lib/yiffspace/utils/parse_value.rb

Constant Summary collapse

MAX_INT = 
2_147_483_647
MIN_INT = 
-2_147_483_648
RANGE_INVERSIONS = 
{
  lte: :gte,
  lt:  :gt,
  gte: :lte,
  gt:  :lt,
}.freeze

Instance Method Summary collapse

Instance Method Details

#date_range(target) ⇒ Object 



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# File 'lib/yiffspace/utils/parse_value.rb', line 10

def date_range(target)
  case target
    # 10_yesterweeks_ago, 10yesterweekago
  when /\A(\d{1,2})_?yester(week|month|year)s?_?ago\z/
    yester_range($1.to_i, $2)
  when /\Ayester(week|month|year)\z/
    yester_range(1, $1)
  when /\A(day|week|month|year)\z/
    [:gte, Time.zone.now - 1.send($1)]
    # 10_weeks_ago, 10w
  when /\A(\d+)_?(s(econds?)?|mi(nutes?)?|h(ours?)?|d(ays?)?|w(eeks?)?|mo(nths?)?|y(ears?)?)_?(ago)?\z/i
    [:gte, time_string(target)]
  else
    range(target, :date)
  end
end

#invert_range(range) ⇒ Object 



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# File 'lib/yiffspace/utils/parse_value.rb', line 77

def invert_range(range)
  # >10 <=> <10
  range[0] = RANGE_INVERSIONS[range[0]] || range[0]
  # 10..20 <=> 20..10
  range[1], range[2] = range[2], range[1] if range[0] == :between
  range
end

#range(range, type = :integer) ⇒ Object 



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# File 'lib/yiffspace/utils/parse_value.rb', line 38

def range(range, type = :integer)
  if range.start_with?("<=")
    [:lte, cast(range.delete_prefix("<="), type)]

  elsif range.start_with?("..")
    [:lte, cast(range.delete_prefix(".."), type)]

  elsif range.start_with?("<")
    [:lt, cast(range.delete_prefix("<"), type)]

  elsif range.start_with?(">=")
    [:gte, cast(range.delete_prefix(">="), type)]

  elsif range.end_with?("..")
    [:gte, cast(range.delete_suffix(".."), type)]

  elsif range.start_with?(">")
    [:gt, cast(range.delete_prefix(">"), type)]

  elsif range.include?("..")
    left, right = range.split("..", 2)
    [:between, cast(left, type), cast(right, type)]

  elsif range.include?(",")
    [:in, range.split(",").first(YiffSpace.config.max_multi_count.call).map { |x| cast(x, type) }]

  else
    [:eq, cast(range, type)]

  end
end

#range_fudged(range, type) ⇒ Object 



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# File 'lib/yiffspace/utils/parse_value.rb', line 27

def range_fudged(range, type)
  result = range(range, type)
  if result[0] == :eq
    new_min = [(result[1] * 0.95).to_i, MIN_INT].max
    new_max = [(result[1] * 1.05).to_i, MAX_INT].min
    [:between, new_min, new_max]
  else
    result
  end
end