52 lines
1.2 KiB
Ruby
52 lines
1.2 KiB
Ruby
class WordWatcher
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def initialize(raw)
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@raw = raw
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end
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def self.words_for_action(action)
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WatchedWord.where(action: WatchedWord.actions[action.to_sym]).limit(1000).pluck(:word)
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end
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def self.words_for_action_exists?(action)
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WatchedWord.where(action: WatchedWord.actions[action.to_sym]).exists?
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end
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def self.word_matcher_regexp(action)
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s = Discourse.cache.fetch(word_matcher_regexp_key(action), expires_in: 1.day) do
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words = words_for_action(action)
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words.empty? ? nil : '\b(' + words.map { |w| Regexp.escape(w).gsub("\\*", '\S*') }.join('|'.freeze) + ')\b'
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end
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s.present? ? Regexp.new(s, Regexp::IGNORECASE) : nil
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end
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def self.word_matcher_regexp_key(action)
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"watched-words-regexp:#{action}"
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end
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def self.clear_cache!
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WatchedWord.actions.sum do |a, i|
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Discourse.cache.delete word_matcher_regexp_key(a)
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end
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end
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def requires_approval?
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word_matches_for_action?(:require_approval)
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end
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def should_flag?
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word_matches_for_action?(:flag)
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end
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def should_block?
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word_matches_for_action?(:block)
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end
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def word_matches_for_action?(action)
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r = self.class.word_matcher_regexp(action)
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r ? r.match(@raw) : false
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end
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end
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