78 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
# frozen_string_literal: true
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# == Schema Information
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#
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# Table name: tags
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#
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#  id         :bigint(8)        not null, primary key
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#  name       :string           default(""), not null
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#  created_at :datetime         not null
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#  updated_at :datetime         not null
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#
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class Tag < ApplicationRecord
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  has_and_belongs_to_many :statuses
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  has_and_belongs_to_many :accounts
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  has_and_belongs_to_many :sample_accounts, -> { searchable.discoverable.popular.limit(3) }, class_name: 'Account'
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  has_one :account_tag_stat, dependent: :destroy
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  HASHTAG_NAME_RE = '[[:word:]_]*[[:alpha:]_·][[:word:]_]*'
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  HASHTAG_RE = /(?:^|[^\/\)\w])#(#{HASHTAG_NAME_RE})/i
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  validates :name, presence: true, uniqueness: true, format: { with: /\A#{HASHTAG_NAME_RE}\z/i }
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  scope :discoverable, -> { joins(:account_tag_stat).where(AccountTagStat.arel_table[:accounts_count].gt(0)).where(account_tag_stats: { hidden: false }).order(Arel.sql('account_tag_stats.accounts_count desc')) }
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  scope :hidden, -> { where(account_tag_stats: { hidden: true }) }
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  delegate :accounts_count,
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           :accounts_count=,
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           :increment_count!,
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           :decrement_count!,
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           :hidden?,
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           to: :account_tag_stat
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  after_save :save_account_tag_stat
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  def account_tag_stat
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    super || build_account_tag_stat
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  end
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  def cached_sample_accounts
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    Rails.cache.fetch("#{cache_key}/sample_accounts", expires_in: 12.hours) { sample_accounts }
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  end
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  def to_param
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    name
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  end
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  def history
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    days = []
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    7.times do |i|
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      day = i.days.ago.beginning_of_day.to_i
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      days << {
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        day: day.to_s,
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        uses: Redis.current.get("activity:tags:#{id}:#{day}") || '0',
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        accounts: Redis.current.pfcount("activity:tags:#{id}:#{day}:accounts").to_s,
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      }
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    end
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    days
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  end
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  class << self
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    def search_for(term, limit = 5)
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      pattern = sanitize_sql_like(term.strip) + '%'
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      Tag.where('lower(name) like lower(?)', pattern).order(:name).limit(limit)
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    end
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  end
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  private
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  def save_account_tag_stat
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    return unless account_tag_stat&.changed?
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    account_tag_stat.save
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  end
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end
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