/
filter.rb
48 lines (38 loc) · 848 Bytes
/
filter.rb
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module Crowdring
class Filter
@@filters = {}
def self.create(name)
className, *modifier = name.split(':')
@@filters[className].new(modifier.join(':'))
end
def initialize(*args)
end
def self.register name
@@filters[name] = self
end
end
class AllFilter < Filter
def filter(input)
input
end
register 'all'
end
class AfterFilter < Filter
def initialize(cutoff)
@cutoff = DateTime.parse cutoff
end
def filter(input)
input.select {|item| item.created_at > @cutoff }
end
register 'after'
end
class CountryFilter < Filter
def initialize(countries)
@countries = countries.split('|')
end
def filter(input)
input.select {|item| @countries.include? item.country.char_3_code }
end
register 'country'
end
end