Add option to filter packmate thread branches where you don't follow all the participants.

app/controllers/settings/preferences_controller.rb

@@ -44,6 +44,7 @@ class Settings::PreferencesController < Settings::BaseController
       :setting_hide_mntions_muted,
       :setting_hide_mntions_blocked,
       :setting_hide_mntions_blocker,
+      :setting_hide_mntions_packm8,
       :setting_gently_kobolds,
       :setting_user_is_kobold,
 

app/lib/status_filter.rb

@@ -33,7 +33,7 @@ class StatusFilter
     return true if account&.user&.setting_hide_replies_blocker && reply_to_blocker?
 
     # kajiht has no filters if status has no mentions
-    return false if status&.mentions.nil?
+    return false if status&.mentions.blank?
 
     # Grab a list of account IDs mentioned in the status.
     mentioned_account_ids = status.mentions.pluck(:account_id)
@@ -41,22 +41,21 @@ class StatusFilter
     # Don't filter statuses mentioning you.
     return false if mentioned_account_ids.include?(account.id)
 
-    # Otherwise, filter the status if it mentions someone you've muted.
-    return true if account&.user&.setting_hide_mntions_muted && @preloaded_relations[:muting] && mentioned_account_ids.any? do |mentioned_account_id|
-      @preloaded_relations[:muting][mentioned_account_id]
+    return true if mentioned_account_ids.any? do |mentioned_account_id|
+      should_filter   = account&.user&.setting_hide_mntions_muted && @preloaded_relations[:muting] && @preloaded_relations[:muting][mentioned_account_id]
+      should_filter ||= account&.user&.setting_hide_mntions_blocked && @preloaded_relations[:blocking] && @preloaded_relations[:blocking][mentioned_account_id]
+      if status.reply?
+        if status.private_visibility?
+          should_filter ||= (account&.user&.setting_hide_mntions_packm8 && @preloaded_relations[:following] && !@preloaded_relations[:following][mentioned_account_id])
+        end
+        should_filter ||= account&.user&.setting_hide_mntions_blocker && Account.find(mentioned_account_id)&.blocking?(status.account_id)
+      end
+      should_filter
     end
-    return true if account.muting?(mentioned_account_ids)
 
-    # Same as above, but for blocks:
-    return true if account&.user&.setting_hide_mntions_blocked && @preloaded_relations[:blocking] && mentioned_account_ids.any? do |mentioned_account_id|
-      @preloaded_relations[:blocking][mentioned_account_id]
-    end
-    return true if account.blocking?(mentioned_account_ids)
-
-    # Filter statuses that mention someone who's blocking you.
-    return true if account&.user&.setting_hide_mntions_blocker && status.reply && mentioned_account_ids.any? do |mentioned_account_id|
-      Account.find(mentioned_account_id)&.blocking?(status.account_id)
-    end
+    return true if account&.user&.setting_hide_mntions_packm8 && status.reply? && status.private_visibility? && (mentioned_account_ids - account.following_ids).any?
+    return true if account&.user&.setting_hide_mntions_muted && account.muting?(mentioned_account_ids)
+    account&.user&.setting_hide_mntions_blocked && account.blocking?(mentioned_account_ids)
   end
 
   def reply_to_blocked?

app/lib/user_settings_decorator.rb

@@ -29,6 +29,7 @@ class UserSettingsDecorator
     user.settings['hide_mntions_muted']  = hide_mntions_muted_preference if change?('setting_hide_mntions_muted')
     user.settings['hide_mntions_blocked']= hide_mntions_blocked_preference if change?('setting_hide_mntions_blocked')
     user.settings['hide_mntions_blocker']= hide_mntions_blocker_preference if change?('setting_hide_mntions_blocker')
+    user.settings['hide_mntions_packm8'] = hide_mntions_packm8_preference if change?('setting_hide_mntions_packm8')
     user.settings['gently_kobolds']      = gently_kobolds_preference if change?('setting_gently_kobolds')
     user.settings['user_is_kobold']      = user_is_kobold_preference if change?('setting_user_is_kobold')
 
@@ -97,6 +98,10 @@ class UserSettingsDecorator
     boolean_cast_setting 'setting_hide_mntions_blocker'
   end
 
+  def hide_mntions_packm8_preference
+    boolean_cast_setting 'setting_hide_mntions_packm8'
+  end
+
   def gently_kobolds_preference
     boolean_cast_setting 'setting_gently_kobolds'
   end

app/models/user.rb

@@ -118,6 +118,7 @@ class User < ApplicationRecord
     :hide_mntions_muted,
     :hide_mntions_blocked,
     :hide_mntions_blocker,
+    :hide_mntions_packm8,
     :gently_kobolds,
     :user_is_kobold,
 
@@ -262,6 +263,10 @@ class User < ApplicationRecord
     settings.hide_mntions_blocker || true
   end
 
+  def setting_hide_mntions_packm8
+    settings.hide_mntions_packm8 || true
+  end
+
   def setting_gently_kobolds
     settings.gently_kobolds || false
   end

app/views/settings/preferences/show.html.haml

@@ -70,6 +70,7 @@
     = f.input :setting_hide_mntions_muted, as: :boolean, wrapper: :with_label
     = f.input :setting_hide_mntions_blocked, as: :boolean, wrapper: :with_label
     = f.input :setting_hide_mntions_blocker, as: :boolean, wrapper: :with_label
+    = f.input :setting_hide_mntions_packm8, as: :boolean, wrapper: :with_label
 
   .fields-group
     = f.input :setting_unfollow_modal, as: :boolean, wrapper: :with_label

config/locales/simple_form.en.yml

@@ -123,6 +123,7 @@ en:
         setting_hide_mntions_muted: Filter mentions of those who you are muting
         setting_hide_mntions_blocked: Filter mentions of those who you are blocking
         setting_hide_mntions_blocker: Filter mentions of those who are blocking you
+        setting_hide_mntions_packm8: Filter group chat branches addressed to participants you aren't a packmate of
         setting_gently_kobolds: Gently the kobolds
         setting_user_is_kobold: I am a kobold
         setting_aggregate_reblogs: Group repeats in timelines