304 lines
8.5 KiB
Ruby
304 lines
8.5 KiB
Ruby
# frozen_string_literal: true
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module WikiActions
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include DiffHelper
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include PreviewMarkdown
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include SendsBlob
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include Gitlab::Utils::StrongMemoize
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include RedisTracking
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extend ActiveSupport::Concern
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RESCUE_GIT_TIMEOUTS_IN = %w[show edit history diff pages].freeze
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included do
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before_action { respond_to :html }
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before_action :authorize_read_wiki!
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before_action :authorize_create_wiki!, only: [:edit, :create]
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before_action :authorize_admin_wiki!, only: :destroy
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before_action :wiki
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before_action :page, only: [:show, :edit, :update, :history, :destroy, :diff]
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before_action :load_sidebar, except: [:pages]
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before_action :set_content_class
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before_action only: [:show, :edit, :update] do
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@valid_encoding = valid_encoding?
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end
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before_action only: [:edit, :update], unless: :valid_encoding? do
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if params[:id].present?
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redirect_to wiki_page_path(wiki, page || params[:id])
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else
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redirect_to wiki_path(wiki)
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end
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end
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# NOTE: We want to include wiki page views in the same counter as the other
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# Event-based wiki actions tracked through TrackUniqueEvents, so we use the same event name.
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track_redis_hll_event :show, name: Gitlab::UsageDataCounters::TrackUniqueEvents::WIKI_ACTION.to_s,
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feature: :track_unique_wiki_page_views, feature_default_enabled: true
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helper_method :view_file_button, :diff_file_html_data
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rescue_from ::Gitlab::Git::CommandTimedOut do |exc|
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raise exc unless RESCUE_GIT_TIMEOUTS_IN.include?(action_name)
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render 'shared/wikis/git_error'
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end
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end
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def new
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redirect_to wiki_page_path(wiki, SecureRandom.uuid, random_title: true)
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end
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# rubocop:disable Gitlab/ModuleWithInstanceVariables
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def pages
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@wiki_entries = WikiDirectory.group_pages(wiki_pages)
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render 'shared/wikis/pages'
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end
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# rubocop:enable Gitlab/ModuleWithInstanceVariables
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# `#show` handles a number of scenarios:
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#
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# - If `id` matches a WikiPage, then show the wiki page.
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# - If `id` is a file in the wiki repository, then send the file.
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# - If we know the user wants to create a new page with the given `id`,
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# then display a create form.
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# - Otherwise show the empty wiki page and invite the user to create a page.
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#
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# rubocop:disable Gitlab/ModuleWithInstanceVariables
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def show
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if page
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set_encoding_error unless valid_encoding?
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# Assign vars expected by MarkupHelper
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@ref = params[:version_id]
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@path = page.path
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Gitlab::UsageDataCounters::WikiPageCounter.count(:view)
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render 'shared/wikis/show'
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elsif file_blob
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send_blob(wiki.repository, file_blob)
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elsif show_create_form?
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# Assign a title to the WikiPage unless `id` is a randomly generated slug from #new
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title = params[:id] unless params[:random_title].present?
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@page = build_page(title: title)
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render 'shared/wikis/edit'
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else
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render 'shared/wikis/empty'
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end
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end
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# rubocop:enable Gitlab/ModuleWithInstanceVariables
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def edit
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render 'shared/wikis/edit'
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end
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# rubocop:disable Gitlab/ModuleWithInstanceVariables
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def update
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return render('shared/wikis/empty') unless can?(current_user, :create_wiki, container)
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response = WikiPages::UpdateService.new(container: container, current_user: current_user, params: wiki_params).execute(page)
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@page = response.payload[:page]
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if response.success?
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flash[:toast] = _('Wiki page was successfully updated.')
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redirect_to(
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wiki_page_path(wiki, page)
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)
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else
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render 'shared/wikis/edit'
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end
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rescue WikiPage::PageChangedError, WikiPage::PageRenameError => e
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@error = e
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render 'shared/wikis/edit'
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end
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# rubocop:enable Gitlab/ModuleWithInstanceVariables
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# rubocop:disable Gitlab/ModuleWithInstanceVariables
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def create
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response = WikiPages::CreateService.new(container: container, current_user: current_user, params: wiki_params).execute
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@page = response.payload[:page]
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if response.success?
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flash[:toast] = _('Wiki page was successfully created.')
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redirect_to(
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wiki_page_path(wiki, page)
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)
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else
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render 'shared/wikis/edit'
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end
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end
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# rubocop:enable Gitlab/ModuleWithInstanceVariables
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# rubocop:disable Gitlab/ModuleWithInstanceVariables
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def history
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if page
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@page_versions = Kaminari.paginate_array(page.versions(page: params[:page].to_i),
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total_count: page.count_versions)
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.page(params[:page])
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render 'shared/wikis/history'
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else
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redirect_to(
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wiki_path(wiki),
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notice: _("Page not found")
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)
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end
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end
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# rubocop:enable Gitlab/ModuleWithInstanceVariables
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# rubocop:disable Gitlab/ModuleWithInstanceVariables
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def diff
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return render_404 unless page
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apply_diff_view_cookie!
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@diffs = page.diffs(diff_options)
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@diff_notes_disabled = true
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render 'shared/wikis/diff'
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end
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# rubocop:disable Gitlab/ModuleWithInstanceVariables
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# rubocop:disable Gitlab/ModuleWithInstanceVariables
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def destroy
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return render_404 unless page
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response = WikiPages::DestroyService.new(container: container, current_user: current_user).execute(page)
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if response.success?
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flash[:toast] = _("Wiki page was successfully deleted.")
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redirect_to wiki_path(wiki),
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status: :found
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else
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@error = response
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render 'shared/wikis/edit'
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end
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end
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# rubocop:enable Gitlab/ModuleWithInstanceVariables
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private
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def container
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raise NotImplementedError
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end
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def show_create_form?
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can?(current_user, :create_wiki, container) &&
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page.nil? &&
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# Always show the create form when the wiki has had at least one page created.
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# Otherwise, we only show the form when the user has navigated from
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# the 'empty wiki' page
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(wiki.exists? || params[:view] == 'create')
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end
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def wiki
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strong_memoize(:wiki) do
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wiki = Wiki.for_container(container, current_user)
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# Call #wiki to make sure the Wiki Repo is initialized
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wiki.wiki
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wiki
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end
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rescue Wiki::CouldNotCreateWikiError
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flash[:notice] = _("Could not create Wiki Repository at this time. Please try again later.")
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redirect_to container
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false
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end
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def page
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strong_memoize(:page) do
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wiki.find_page(*page_params)
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end
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end
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# rubocop:disable Gitlab/ModuleWithInstanceVariables
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def load_sidebar
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@sidebar_page = wiki.find_sidebar(params[:version_id])
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unless @sidebar_page # Fallback to default sidebar
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@sidebar_wiki_entries, @sidebar_limited = wiki.sidebar_entries
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end
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rescue ::Gitlab::Git::CommandTimedOut => e
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@sidebar_error = e
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end
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# rubocop:enable Gitlab/ModuleWithInstanceVariables
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def wiki_pages
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strong_memoize(:wiki_pages) do
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Kaminari.paginate_array(
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wiki.list_pages(sort: params[:sort], direction: params[:direction])
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).page(params[:page])
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end
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end
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def wiki_params
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params.require(:wiki).permit(:title, :content, :format, :message, :last_commit_sha)
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end
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def build_page(args = {})
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WikiPage.new(wiki).tap do |page|
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page.update_attributes(args) # rubocop:disable Rails/ActiveRecordAliases
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end
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end
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def page_params
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keys = [:id]
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keys << :version_id if %w[show diff].include?(params[:action])
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params.values_at(*keys)
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end
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def valid_encoding?
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page_encoding == Encoding::UTF_8
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end
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def page_encoding
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strong_memoize(:page_encoding) { page&.content&.encoding }
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end
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def set_encoding_error
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flash.now[:notice] = _("The content of this page is not encoded in UTF-8. Edits can only be made via the Git repository.")
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end
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def file_blob
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strong_memoize(:file_blob) do
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commit = wiki.repository.commit(wiki.default_branch)
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next unless commit
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wiki.repository.blob_at(commit.id, params[:id])
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end
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end
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def set_content_class
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@content_class = 'limit-container-width' unless fluid_layout # rubocop:disable Gitlab/ModuleWithInstanceVariables
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end
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# Override CommitsHelper#view_file_button
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def view_file_button(commit_sha, *args)
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path = wiki_page_path(wiki, page, version_id: page.version.id)
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helpers.link_to(path, class: 'btn') do
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helpers.raw(_('View page @ ')) + helpers.content_tag(:span, Commit.truncate_sha(commit_sha), class: 'commit-sha')
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end
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end
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# Override DiffHelper#diff_file_html_data
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def diff_file_html_data(_project, _diff_file_path, diff_commit_id)
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{
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blob_diff_path: wiki_page_path(wiki, page, action: :diff, version_id: diff_commit_id),
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view: diff_view
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}
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end
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end
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