Add account migration UI (#11846)

Fix #10736

- Change data export to be available for non-functional accounts
- Change non-functional accounts to include redirecting accounts

3 files changed, 87 insertions, 10 deletions

diff --git a/app/controllers/settings/aliases_controller.rb b/app/controllers/settings/aliases_controller.rb
new file mode 100644
index 000000000..2b675f065
--- /dev/null
+++ b/app/controllers/settings/aliases_controller.rb
@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+class Settings::AliasesController < Settings::BaseController
+  layout 'admin'
+
+  before_action :authenticate_user!
+  before_action :set_aliases, except: :destroy
+  before_action :set_alias, only: :destroy
+
+  def index
+    @alias = current_account.aliases.build
+  end
+
+  def create
+    @alias = current_account.aliases.build(resource_params)
+
+    if @alias.save
+      redirect_to settings_aliases_path, notice: I18n.t('aliases.created_msg')
+    else
+      render :show
+    end
+  end
+
+  def destroy
+    @alias.destroy!
+    redirect_to settings_aliases_path, notice: I18n.t('aliases.deleted_msg')
+  end
+
+  private
+
+  def resource_params
+    params.require(:account_alias).permit(:acct)
+  end
+
+  def set_alias
+    @alias = current_account.aliases.find(params[:id])
+  end
+
+  def set_aliases
+    @aliases = current_account.aliases.order(id: :desc).reject(&:new_record?)
+  end
+end
diff --git a/app/controllers/settings/exports_controller.rb b/app/controllers/settings/exports_controller.rb
index 3012fbf77..0e93d07a9 100644
--- a/app/controllers/settings/exports_controller.rb
+++ b/app/controllers/settings/exports_controller.rb
@@ -6,6 +6,9 @@ class Settings::ExportsController < Settings::BaseController
   layout 'admin'
 
   before_action :authenticate_user!
+  before_action :require_not_suspended!
+
+  skip_before_action :require_functional!
 
   def show
     @export  = Export.new(current_account)
@@ -34,4 +37,8 @@ class Settings::ExportsController < Settings::BaseController
   def lock_options
     { redis: Redis.current, key: "backup:#{current_user.id}" }
   end
+
+  def require_not_suspended!
+    forbidden if current_account.suspended?
+  end
 end
diff --git a/app/controllers/settings/migrations_controller.rb b/app/controllers/settings/migrations_controller.rb
index 59eb48779..90092c692 100644
--- a/app/controllers/settings/migrations_controller.rb
+++ b/app/controllers/settings/migrations_controller.rb
@@ -4,31 +4,59 @@ class Settings::MigrationsController < Settings::BaseController
   layout 'admin'
 
   before_action :authenticate_user!
+  before_action :require_not_suspended!
+  before_action :set_migrations
+  before_action :set_cooldown
+
+  skip_before_action :require_functional!
 
   def show
-    @migration = Form::Migration.new(account: current_account.moved_to_account)
+    @migration = current_account.migrations.build
   end
 
-  def update
-    @migration = Form::Migration.new(resource_params)
+  def create
+    @migration = current_account.migrations.build(resource_params)
 
-    if @migration.valid? && migration_account_changed?
-      current_account.update!(moved_to_account: @migration.account)
+    if @migration.save_with_challenge(current_user)
+      current_account.update!(moved_to_account: @migration.target_account)
       ActivityPub::UpdateDistributionWorker.perform_async(current_account.id)
-      redirect_to settings_migration_path, notice: I18n.t('migrations.updated_msg')
+      ActivityPub::MoveDistributionWorker.perform_async(@migration.id)
+      redirect_to settings_migration_path, notice: I18n.t('migrations.moved_msg', acct: current_account.moved_to_account.acct)
     else
       render :show
     end
   end
 
+  def cancel
+    if current_account.moved_to_account_id.present?
+      current_account.update!(moved_to_account: nil)
+      ActivityPub::UpdateDistributionWorker.perform_async(current_account.id)
+    end
+
+    redirect_to settings_migration_path, notice: I18n.t('migrations.cancelled_msg')
+  end
+
+  helper_method :on_cooldown?
+
   private
 
   def resource_params
-    params.require(:migration).permit(:acct)
+    params.require(:account_migration).permit(:acct, :current_password, :current_username)
+  end
+
+  def set_migrations
+    @migrations = current_account.migrations.includes(:target_account).order(id: :desc).reject(&:new_record?)
+  end
+
+  def set_cooldown
+    @cooldown = current_account.migrations.within_cooldown.first
+  end
+
+  def on_cooldown?
+    @cooldown.present?
   end
 
-  def migration_account_changed?
-    current_account.moved_to_account_id != @migration.account&.id &&
-      current_account.id != @migration.account&.id
+  def require_not_suspended!
+    forbidden if current_account.suspended?
   end
 end