discourse/app/models/watched_word.rb

113 lines
2.9 KiB
Ruby

# frozen_string_literal: true
class WatchedWord < ActiveRecord::Base
def self.actions
@actions ||= Enum.new(
block: 1,
censor: 2,
require_approval: 3,
flag: 4,
link: 8,
replace: 5,
tag: 6,
silence: 7,
)
end
MAX_WORDS_PER_ACTION = 2000
before_validation do
self.word = self.class.normalize_word(self.word)
if self.action == WatchedWord.actions[:link] && !(self.replacement =~ /^https?:\/\//)
self.replacement = "#{Discourse.base_url}#{self.replacement&.starts_with?("/") ? "" : "/"}#{self.replacement}"
end
end
validates :word, presence: true, uniqueness: true, length: { maximum: 100 }
validates :action, presence: true
validate :replacement_is_url, if: -> { action == WatchedWord.actions[:link] }
validate :replacement_is_tag_list, if: -> { action == WatchedWord.actions[:tag] }
validates_each :word do |record, attr, val|
if WatchedWord.where(action: record.action).count >= MAX_WORDS_PER_ACTION
record.errors.add(:word, :too_many)
end
end
after_save :clear_cache
after_destroy :clear_cache
scope :by_action, -> { order("action ASC, word ASC") }
scope :for, ->(word:) do
where("(word ILIKE :word AND case_sensitive = 'f') OR (word LIKE :word AND case_sensitive = 't')", word: word)
end
def self.normalize_word(w)
w.strip.squeeze('*')
end
def replacement_is_url
if !(replacement =~ URI::regexp)
errors.add(:base, :invalid_url)
end
end
def replacement_is_tag_list
tag_list = replacement&.split(',')
tags = Tag.where(name: tag_list)
if (tag_list.blank? || tags.empty? || tag_list.size != tags.size)
errors.add(:base, :invalid_tag_list)
end
end
def self.create_or_update_word(params)
new_word = normalize_word(params[:word])
w = self.for(word: new_word).first_or_initialize(word: new_word)
w.replacement = params[:replacement] if params[:replacement]
w.action_key = params[:action_key] if params[:action_key]
w.action = params[:action] if params[:action]
w.case_sensitive = params[:case_sensitive] if !params[:case_sensitive].nil?
w.save
w
end
def self.has_replacement?(action)
action == :replace || action == :tag || action == :link
end
def action_key=(arg)
self.action = self.class.actions[arg.to_sym]
end
def action_log_details
if replacement.present?
"#{word}#{replacement}"
else
word
end
end
def clear_cache
WordWatcher.clear_cache!
end
end
# == Schema Information
#
# Table name: watched_words
#
# id :integer not null, primary key
# word :string not null
# action :integer not null
# created_at :datetime not null
# updated_at :datetime not null
# replacement :string
# case_sensitive :boolean default(FALSE), not null
#
# Indexes
#
# index_watched_words_on_action_and_word (action,word) UNIQUE
#