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