require_dependency 'enum' class WatchedWord < ActiveRecord::Base def self.actions @actions ||= Enum.new( block: 1, censor: 2, require_approval: 3, flag: 4 ) end MAX_WORDS_PER_ACTION = 1000 before_validation do self.word = self.class.normalize_word(self.word) end validates :word, presence: true, uniqueness: true, length: { maximum: 50 } validates :action, presence: true validates_each :word do |record, attr, val| if WatchedWord.where(action: record.action).count >= MAX_WORDS_PER_ACTION record.errors.add(:word, :too_many) end end after_save :clear_cache after_destroy :clear_cache scope :by_action, -> { order("action ASC, word ASC") } def self.normalize_word(w) w.strip.squeeze('*') end def self.create_or_update_word(params) new_word = normalize_word(params[:word]) w = WatchedWord.where("word ILIKE ?", new_word).first || WatchedWord.new(word: new_word) w.action_key = params[:action_key] if params[:action_key] w.action = params[:action] if params[:action] w.save w end def action_key=(arg) self.action = self.class.actions[arg.to_sym] end def clear_cache WordWatcher.clear_cache! end end # == Schema Information # # Table name: watched_words # # id :integer not null, primary key # word :string not null # action :integer not null # created_at :datetime # updated_at :datetime # # Indexes # # index_watched_words_on_action_and_word (action,word) UNIQUE #