Allow maximum toot length to be configured

app/controllers/admin/dashboard_controller.rb

@@ -11,6 +11,7 @@ def index
       @relay_enabled         = Relay.enabled.exists?
       @single_user_mode      = Rails.configuration.x.single_user_mode
       @registrations_enabled = Setting.open_registrations
+      @max_toot_chars        = Setting.max_toot_chars
       @deletions_enabled     = Setting.open_deletion
       @invites_enabled       = Setting.min_invite_role == 'user'
       @search_enabled        = Chewy.enabled?

app/controllers/admin/settings_controller.rb

@@ -11,6 +11,7 @@ class SettingsController < BaseController
       site_extended_description
       site_terms
       open_registrations
+      max_toot_chars
       closed_registrations_message
       open_deletion
       timeline_preview

app/helpers/application_helper.rb

@@ -23,6 +23,10 @@ def open_registrations?
     Setting.open_registrations
   end
 
+  def max_toot_chars
+    Setting.max_toot_chars
+  end
+
   def open_deletion?
     Setting.open_deletion
   end

app/javascript/mastodon/features/compose/components/compose_form.js

@@ -18,6 +18,7 @@ import ImmutablePureComponent from 'react-immutable-pure-component';
 import { length } from 'stringz';
 import { countableText } from '../util/counter';
 import Icon from 'mastodon/components/icon';
+import { maxChars } from '../../../initial_state';
 
 const allowedAroundShortCode = '><\u0085\u0020\u00a0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u2028\u2029\u0009\u000a\u000b\u000c\u000d';
 
@@ -86,7 +87,7 @@ class ComposeForm extends ImmutablePureComponent {
     const { is_submitting, is_changing_upload, is_uploading, anyMedia } = this.props;
     const fulltext = [this.props.spoiler_text, countableText(this.props.text)].join('');
 
-    if (is_submitting || is_uploading || is_changing_upload || length(fulltext) > 500 || (fulltext.length !== 0 && fulltext.trim().length === 0 && !anyMedia)) {
+    if (is_submitting || is_uploading || is_changing_upload || length(fulltext) > maxChars || (fulltext.length !== 0 && fulltext.trim().length === 0 && !anyMedia)) {
       return;
     }
 
@@ -162,7 +163,7 @@ class ComposeForm extends ImmutablePureComponent {
     const { intl, onPaste, showSearch, anyMedia } = this.props;
     const disabled = this.props.is_submitting;
     const text     = [this.props.spoiler_text, countableText(this.props.text)].join('');
-    const disabledButton = disabled || this.props.is_uploading || this.props.is_changing_upload || length(text) > 500 || (text.length !== 0 && text.trim().length === 0 && !anyMedia);
+    const disabledButton = disabled || this.props.is_uploading || this.props.is_changing_upload || length(text) > maxChars || (text.length !== 0 && text.trim().length === 0 && !anyMedia);
     let publishText = '';
 
     if (this.props.privacy === 'private' || this.props.privacy === 'direct') {
@@ -214,7 +215,7 @@ class ComposeForm extends ImmutablePureComponent {
             <SensitiveButtonContainer />
             <SpoilerButtonContainer />
           </div>
-          <div className='character-counter__wrapper'><CharacterCounter max={500} text={text} /></div>
+          <div className='character-counter__wrapper'><CharacterCounter max={maxChars} text={text} /></div>
         </div>
 
         <div className='compose-form__publish'>

app/javascript/mastodon/initial_state.js

@@ -12,6 +12,7 @@ export const boostModal = getMeta('boost_modal');
 export const deleteModal = getMeta('delete_modal');
 export const me = getMeta('me');
 export const searchEnabled = getMeta('search_enabled');
+export const maxChars = getMeta('max_toot_chars');
 export const invitesEnabled = getMeta('invites_enabled');
 export const version = getMeta('version');
 export const mascot = getMeta('mascot');

app/models/form/admin_settings.rb

@@ -18,6 +18,8 @@ class Form::AdminSettings
     :site_extended_description=,
     :site_terms,
     :site_terms=,
+    :max_toot_chars,
+    :max_toot_chars=,
     :open_registrations,
     :open_registrations=,
     :closed_registrations_message,

app/presenters/instance_presenter.rb

@@ -9,6 +9,7 @@ class InstancePresenter
     :site_short_description,
     :site_description,
     :site_extended_description,
+    :max_toot_chars,
     :site_terms,
     to: Setting
   )

app/serializers/initial_state_serializer.rb

@@ -18,6 +18,7 @@ def meta
       invites_enabled: Setting.min_invite_role == 'user',
       mascot: instance_presenter.mascot&.file&.url,
       profile_directory: Setting.profile_directory,
+      max_toot_chars: instance_presenter.max_toot_chars
     }
 
     if object.current_account

app/serializers/rest/instance_serializer.rb

@@ -4,8 +4,7 @@ class REST::InstanceSerializer < ActiveModel::Serializer
   include RoutingHelper
 
   attributes :uri, :title, :description, :email,
-             :version, :urls, :stats, :thumbnail,
-             :languages
+             :version, :urls, :stats, :thumbnail, :languages
 
   has_one :contact_account, serializer: REST::AccountSerializer
 

app/validators/status_length_validator.rb

@@ -1,19 +1,17 @@
 # frozen_string_literal: true
 
 class StatusLengthValidator < ActiveModel::Validator
-  MAX_CHARS = 500
-
   def validate(status)
     return unless status.local? && !status.reblog?
 
     @status = status
-    status.errors.add(:text, I18n.t('statuses.over_character_limit', max: MAX_CHARS)) if too_long?
+    status.errors.add(:text, I18n.t('statuses.over_character_limit', max: Setting.max_toot_chars)) if too_long?
   end
 
   private
 
   def too_long?
-    countable_length > MAX_CHARS
+    countable_length > Setting.max_toot_chars.to_i
   end
 
   def countable_length

app/views/admin/settings/edit.html.haml

@@ -15,6 +15,9 @@
     .fields-row__column.fields-row__column-6.fields-group
       = f.input :site_contact_email, wrapper: :with_label, label: t('admin.settings.contact_information.email')
 
+  .fields-group
+    = f.input :max_toot_chars, as: :integer, wrapper: :with_label, label: t('admin.settings.max_toot_chars.title'), hint: t('admin.settings.max_toot_chars.desc_html')
+
   .fields-group
     = f.input :site_description, wrapper: :with_block_label, as: :text, label: t('admin.settings.site_description.title'), hint: t('admin.settings.site_description.desc_html'), input_html: { rows: 4 }
 

config/locales/en.yml

@@ -382,6 +382,9 @@ en:
       contact_information:
         email: Business e-mail
         username: Contact username
+      max_toot_chars:
+        desc_html: Set maximum toot length in characters (default: 500)
+        title: Max Toot Size
       custom_css:
         desc_html: Modify the look with CSS loaded on every page
         title: Custom CSS

config/settings.yml

@@ -10,6 +10,7 @@ defaults: &defaults
   site_contact_username: ''
   site_contact_email: ''
   open_registrations: true
+  max_toot_chars: 500
   profile_directory: true
   closed_registrations_message: ''
   open_deletion: true