forked from fedi/mastodon
92 lines
2.6 KiB
Ruby
92 lines
2.6 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_many :featured_tags, dependent: :destroy, inverse_of: :tag
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has_one :account_tag_stat, dependent: :destroy
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HASHTAG_NAME_RE = '([[:word:]_][[:word:]_·]*[[:alpha:]_·][[:word:]_·]*[[:word:]_])|([[: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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scope :most_used, ->(account) { joins(:statuses).where(statuses: { account: account }).group(:id).order(Arel.sql('count(*) desc')) }
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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, offset = 0)
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pattern = sanitize_sql_like(term.strip) + '%'
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Tag.where('lower(name) like lower(?)', pattern)
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.order(:name)
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.limit(limit)
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.offset(offset)
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end
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def find_normalized(name)
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find_by(name: name.mb_chars.downcase.to_s)
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end
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def find_normalized!(name)
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find_normalized(name) || raise(ActiveRecord::RecordNotFound)
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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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