Merge branch 'master' into glitch-soc/merge-upstream

Conflicts:
- `app/controllers/statuses_controller.rb`:
  Minor conflict due to theming system

db/migrate/20191218153258_create_announcements.rb

@@ -0,0 +1,16 @@
+class CreateAnnouncements < ActiveRecord::Migration[5.2]
+  def change
+    create_table :announcements do |t|
+      t.text :text, null: false, default: ''
+
+      t.boolean :published, null: false, default: false
+      t.boolean :all_day, null: false, default: false
+
+      t.datetime :scheduled_at
+      t.datetime :starts_at
+      t.datetime :ends_at
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20200113125135_create_announcement_mutes.rb

@@ -0,0 +1,12 @@
+class CreateAnnouncementMutes < ActiveRecord::Migration[5.2]
+  def change
+    create_table :announcement_mutes do |t|
+      t.belongs_to :account, foreign_key: { on_delete: :cascade, index: false }
+      t.belongs_to :announcement, foreign_key: { on_delete: :cascade }
+
+      t.timestamps
+    end
+
+    add_index :announcement_mutes, [:account_id, :announcement_id], unique: true
+  end
+end

db/migrate/20200114113335_create_announcement_reactions.rb

@@ -0,0 +1,15 @@
+class CreateAnnouncementReactions < ActiveRecord::Migration[5.2]
+  def change
+    create_table :announcement_reactions do |t|
+      t.belongs_to :account, foreign_key: { on_delete: :cascade, index: false }
+      t.belongs_to :announcement, foreign_key: { on_delete: :cascade }
+
+      t.string :name, null: false, default: ''
+      t.belongs_to :custom_emoji, foreign_key: { on_delete: :cascade }
+
+      t.timestamps
+    end
+
+    add_index :announcement_reactions, [:account_id, :announcement_id, :name], unique: true, name: :index_announcement_reactions_on_account_id_and_announcement_id
+  end
+end

db/migrate/20200119112504_add_public_index_to_statuses.rb

@@ -0,0 +1,11 @@
+class AddPublicIndexToStatuses < ActiveRecord::Migration[5.2]
+  disable_ddl_transaction!
+
+  def up
+    add_index :statuses, [:id, :account_id], name: :index_statuses_public_20200119, algorithm: :concurrently, order: { id: :desc }, where: 'deleted_at IS NULL AND visibility = 0 AND reblog_of_id IS NULL AND ((NOT reply) OR (in_reply_to_account_id = account_id))'
+  end
+
+  def down
+    remove_index :statuses, name: :index_statuses_public_20200119
+  end
+end