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impress/app/models/species.rb

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class Species < ActiveRecord::Base
translates :name
scope :alphabetical, -> { with_translations(I18n.locale).order(Species::Translation.arel_table[:name]) }
scope :matching_name, ->(name, locale = I18n.locale) {
st = Species::Translation.arel_table
joins(:translations).where(st[:locale].eq(locale)).
where(st[:name].matches(sanitize_sql_like(name)))
}
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def as_json(options={})
{:id => id, :name => human_name}
end
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def human_name
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if name
name.capitalize
else
I18n.translate('species.default_human_name')
end
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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