Federated social network node, running on kosmos.social https://kosmos.social
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# frozen_string_literal: true
# == Schema Information
#
# Table name: custom_filters
#
# id :bigint(8) not null, primary key
# account_id :bigint(8)
# expires_at :datetime
# phrase :text default(""), not null
# context :string default([]), not null, is an Array
# whole_word :boolean default(TRUE), not null
# irreversible :boolean default(FALSE), not null
# created_at :datetime not null
# updated_at :datetime not null
#
class CustomFilter < ApplicationRecord
VALID_CONTEXTS = %w(
home
notifications
public
thread
account
).freeze
include Expireable
belongs_to :account
validates :phrase, :context, presence: true
validate :context_must_be_valid
validate :irreversible_must_be_within_context
scope :active_irreversible, -> { where(irreversible: true).where(Arel.sql('expires_at IS NULL OR expires_at > NOW()')) }
before_validation :clean_up_contexts
after_commit :remove_cache
def expires_in
return @expires_in if defined?(@expires_in)
return nil if expires_at.nil?
[30.minutes, 1.hour, 6.hours, 12.hours, 1.day, 1.week].find { |expires_in| expires_in.from_now >= expires_at }
end
private
def clean_up_contexts
self.context = Array(context).map(&:strip).filter_map(&:presence)
end
def remove_cache
Rails.cache.delete("filters:#{account_id}")
Redis.current.publish("timeline:#{account_id}", Oj.dump(event: :filters_changed))
end
def context_must_be_valid
errors.add(:context, I18n.t('filters.errors.invalid_context')) if context.empty? || context.any? { |c| !VALID_CONTEXTS.include?(c) }
end
def irreversible_must_be_within_context
errors.add(:irreversible, I18n.t('filters.errors.invalid_irreversible')) if irreversible? && !context.include?('home') && !context.include?('notifications')
end
end