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impress/app/models/color.rb

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class Color < ActiveRecord::Base
translates :name
scope :alphabetical, -> { with_translations(I18n.locale).order(Color::Translation.arel_table[:name]) }
scope :basic, -> { where(:basic => true) }
scope :standard, -> { where(:standard => true) }
scope :nonstandard, -> { where(:standard => false) }
scope :funny, -> { order(:prank) unless pranks_funny? }
scope :matching_name, ->(name, locale = I18n.locale) {
ct = Color::Translation.arel_table
joins(:translations).where(ct[:locale].eq(locale)).
where(ct[:name].matches(sanitize_sql_like(name)))
}
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validates :name, presence: true
# TODO: Should we consider replacing this at call sites? This used to be
# built into the globalize gem but isn't anymore!
def self.find_by_name(name)
matching_name(name).first
end
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def as_json(options={})
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{id: id, name: human_name, unfunny_name: unfunny_human_name, prank: prank?}
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end
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def human_name
if prank? && !Color.pranks_funny?
unfunny_human_name + ' ' + I18n.translate('colors.prank_suffix')
else
unfunny_human_name
end
end
def unfunny_human_name
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if name
name.split(' ').map { |word| word.capitalize }.join(' ')
else
I18n.translate('colors.default_human_name')
end
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end
def self.pranks_funny?
now = Time.now.in_time_zone('Pacific Time (US & Canada)')
now.month == 4 && now.day == 1
end
# TODO: Copied from modern Rails source, can delete once we're there!
def self.sanitize_sql_like(string, escape_character = "\\")
pattern = Regexp.union(escape_character, "%", "_")
string.gsub(pattern) { |x| [escape_character, x].join }
end
end