class Tag

# File app/models/tag.rb, line 38
def self.analysis text
  self.tagger.parse(text).mincost_path
end

# File app/models/tag.rb, line 33
def self.counter words
  words.inject(Hash.new(0)){|hash, a| hash[a] += 1; hash}.sort {|(a,av),(b,bv)| bv <=> av}
end

# File app/models/tag.rb, line 10
def self.create_with_user_tweet user,date = nil
  tags = []
  words = self.generate(self.tweet_compression(user.tweets date))
  self.counter(words).shift(20).each do |word,count|
    tags << create! do |record|
      record.user_id = user.id
      record.word    = word
      record.count   = count
      record.date    = date || user.yesterday
    end
  end
  tags
end

# File app/models/tag.rb, line 49
def self.generate text
  nouns_word         = []
  ignore_not_include = '名詞'
  ignore_include     = '名詞,数'
  ignore_word        = 'http'
  self.analysis(text).each do |node|
    next if node.word.left.text.scan(/#{ignore_not_include}/).blank?
    next unless node.word.left.text.scan(/#{ignore_include}/).blank?
    next unless node.word.surface.scan(/#{ignore_word}|^[ぁ-ん]$/).blank?
    nouns_word << node.word.surface
  end
  nouns_word
end

# File app/models/tag.rb, line 6
def view_path
  "/user/#{user.name}/#{date.year}/#{date.month}/#{date.day}"
end