92de439c04
* Change hashtag search to only return results that have trended in the past A way to eliminate typos and other one-off "junk" results * Fix excluding exact matches that don't have a score * Fix tests
121 lines
3.4 KiB
Ruby
121 lines
3.4 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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# score :integer
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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, 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 find_or_create_by_names(name_or_names)
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Array(name_or_names).map(&method(:normalize)).uniq { |str| str.mb_chars.downcase.to_s }.map do |normalized_name|
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tag = matching_name(normalized_name).first || create(name: normalized_name)
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yield tag if block_given?
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tag
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end
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end
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def search_for(term, limit = 5, offset = 0)
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normalized_term = normalize(term.strip).mb_chars.downcase.to_s
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pattern = sanitize_sql_like(normalized_term) + '%'
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Tag.where(arel_table[:name].lower.matches(pattern))
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.where(arel_table[:score].gt(0).or(arel_table[:name].lower.eq(normalized_term)))
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.order(Arel.sql('length(name) ASC, score DESC, name ASC'))
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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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matching_name(name).first
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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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def matching_name(name_or_names)
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names = Array(name_or_names).map { |name| normalize(name).mb_chars.downcase.to_s }
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if names.size == 1
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where(arel_table[:name].lower.eq(names.first))
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else
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where(arel_table[:name].lower.in(names))
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end
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end
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private
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def normalize(str)
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str.gsub(/\A#/, '')
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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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