forked from asonix/mastodon
* Revert "Fix ignoring whole status because of one invalid hashtag (#11621)"
This reverts commit dff46b260b
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* Fix statuses being rejected because of invalid hashtag names
* Add spec for invalid hashtag names in statuses
* Add test for featured tags controller
174 lines
5 KiB
Ruby
174 lines
5 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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# usable :boolean
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# trendable :boolean
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# listable :boolean
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# reviewed_at :datetime
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# requested_review_at :datetime
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# last_status_at :datetime
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# max_score :float
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# max_score_at :datetime
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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, -> { local.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_SEPARATORS = "_\u00B7\u200c"
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HASHTAG_NAME_RE = "([[:word:]_][[:word:]#{HASHTAG_SEPARATORS}]*[[:alpha:]#{HASHTAG_SEPARATORS}][[:word:]#{HASHTAG_SEPARATORS}]*[[: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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validate :validate_name_change, if: -> { !new_record? && name_changed? }
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scope :reviewed, -> { where.not(reviewed_at: nil) }
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scope :unreviewed, -> { where(reviewed_at: nil) }
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scope :pending_review, -> { unreviewed.where.not(requested_review_at: nil) }
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scope :usable, -> { where(usable: [true, nil]) }
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scope :listable, -> { where(listable: [true, nil]) }
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scope :trendable, -> { Setting.trendable_by_default ? where(trendable: [true, nil]) : where(trendable: true) }
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scope :discoverable, -> { listable.joins(:account_tag_stat).where(AccountTagStat.arel_table[:accounts_count].gt(0)).order(Arel.sql('account_tag_stats.accounts_count desc')) }
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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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scope :matches_name, ->(value) { where(arel_table[:name].matches("#{value}%")) }
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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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to: :account_tag_stat
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after_save :save_account_tag_stat
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update_index('tags#tag', :self)
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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 usable
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boolean_with_default('usable', true)
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end
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alias usable? usable
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def listable
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boolean_with_default('listable', true)
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end
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alias listable? listable
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def trendable
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boolean_with_default('trendable', Setting.trendable_by_default)
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end
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alias trendable? trendable
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def requires_review?
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reviewed_at.nil?
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end
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def reviewed?
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reviewed_at.present?
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end
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def requested_review?
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requested_review_at.present?
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end
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def trending?
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TrendingTags.trending?(self)
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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, options = {})
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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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query = Tag.listable.where(arel_table[:name].lower.matches(pattern))
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query = query.where(arel_table[:name].lower.eq(normalized_term).or(arel_table[:reviewed_at].not_eq(nil))) if options[:exclude_unreviewed]
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query.order(Arel.sql('length(name) ASC, 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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def validate_name_change
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errors.add(:name, I18n.t('tags.does_not_match_previous_name')) unless name_was.mb_chars.casecmp(name.mb_chars).zero?
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end
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end
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