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Implement the ability for instances to define a list of disallowed hashtags (#7176)

The goal here isn't to prevent these hashtags from existing, but just to strongly curtail their usage; The hashtags may still exist in the database via federated status, or from being created prior to this feature.
custom
Emelia Smith 4 years ago
committed by Eugen Rochko
parent
commit
60b871d56c
  1. 1
      app/models/status.rb
  2. 22
      app/validators/disallowed_hashtags_validator.rb
  3. 3
      config/locales/en.yml
  4. 1
      config/settings.yml

1
app/models/status.rb

@ -59,6 +59,7 @@ class Status < ApplicationRecord
validates :uri, uniqueness: true, presence: true, unless: :local?
validates :text, presence: true, unless: -> { with_media? || reblog? }
validates_with StatusLengthValidator
validates_with DisallowedHashtagsValidator
validates :reblog, uniqueness: { scope: :account }, if: :reblog?
default_scope { recent }

22
app/validators/disallowed_hashtags_validator.rb

@ -0,0 +1,22 @@
# frozen_string_literal: true
class DisallowedHashtagsValidator < ActiveModel::Validator
def validate(status)
return unless status.local? && !status.reblog?
tags = Extractor.extract_hashtags(status.text)
tags.keep_if { |tag| disallowed_hashtags.include? tag.downcase }
status.errors.add(:text, I18n.t('statuses.disallowed_hashtags', tags: tags.join(', '), count: tags.size)) unless tags.empty?
end
private
def disallowed_hashtags
return @disallowed_hashtags if @disallowed_hashtags
@disallowed_hashtags = Setting.disallowed_hashtags.nil? ? [] : Setting.disallowed_hashtags
@disallowed_hashtags = @disallowed_hashtags.split(' ') if @disallowed_hashtags.is_a? String
@disallowed_hashtags = @disallowed_hashtags.map(&:downcase)
end
end

3
config/locales/en.yml

@ -684,6 +684,9 @@ en:
one: "%{count} video"
other: "%{count} videos"
content_warning: 'Content warning: %{warning}'
disallowed_hashtags:
one: 'contained a disallowed hashtag: %{tags}'
other: 'contained the disallowed hashtags: %{tags}'
open_in_web: Open in web
over_character_limit: character limit of %{max} exceeded
pin_errors:

1
config/settings.yml

@ -47,6 +47,7 @@ defaults: &defaults
- root
- webmaster
- administrator
disallowed_hashtags: # space separated string or list of hashtags without the hash
bootstrap_timeline_accounts: ''
activity_api_enabled: true
peers_api_enabled: true

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