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class RevisionsController < ApplicationController
include PinnedToDefaultLocale
# Private
before_action :login_required
layout 'admin'
def index
@node = Node.find(params[:node_id])
@pages = @node.pages.all
@translation_locale = resolve_locale(params[:translation_locale])
end
def diff
@node = Node.find(params[:node_id])
if @node.pages.length > 1
params[:start_revision] ||= @node.pages.all[-2].revision
params[:end_revision] ||= @node.pages.all[-1].revision
else
params[:start_revision], params[:end_revision] = 1, 1
end
@start = @node.resolve_page_reference(params[:start_revision])
@end = @node.resolve_page_reference(params[:end_revision])
if @start.nil? || @end.nil?
flash[:error] = t("flash.revisions.unavailable")
redirect_to(node_path(@node)) and return
end
@locale_summary = @end.locale_diff_summary(@start)
requested_locale = params[:translation_locale].presence&.to_sym
available = @locale_summary.map { |s| s[:locale] }
default_locale = @locale_summary.find { |s| s[:changed] }&.dig(:locale) ||
(I18n.default_locale if available.include?(I18n.default_locale)) ||
available.first ||
I18n.default_locale
@translation_locale = @locale_summary.any? { |s| s[:locale] == requested_locale } ? requested_locale : default_locale
@diff_view = params[:view] == "side_by_side" ? :side_by_side : :inline
@diff = @end.diff_against(@start, view: @diff_view, locale: @translation_locale)
@available_layer_pairs = @node.available_layer_pairs
@locked_by_other = @node.locked? && @node.lock_owner != current_user
end
def show
@node = Node.find(params[:node_id])
@page = @node.pages.find(params[:id])
@translation_locale = resolve_locale(params[:translation_locale])
end
def restore
page = Page.find(params[:id])
page.node.restore_revision! page.revision, current_user
flash[:notice] = t("flash.revisions.restored", :rev => page.revision)
redirect_to node_path(page.node)
end
private
def resolve_locale(requested)
candidate = requested.presence&.to_sym
allowed = [I18n.default_locale] + Page.non_default_locales
allowed.include?(candidate) ? candidate : I18n.default_locale
end
end
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