diff options
Diffstat (limited to 'app/controllers/projects/wikis_controller.rb')
-rw-r--r-- | app/controllers/projects/wikis_controller.rb | 191 |
1 files changed, 172 insertions, 19 deletions
diff --git a/app/controllers/projects/wikis_controller.rb b/app/controllers/projects/wikis_controller.rb index d531d256721..b187fdb2723 100644 --- a/app/controllers/projects/wikis_controller.rb +++ b/app/controllers/projects/wikis_controller.rb @@ -1,28 +1,120 @@ # frozen_string_literal: true class Projects::WikisController < Projects::ApplicationController - include ProjectWikiActions - include WikiHelper + include PreviewMarkdown + include SendsBlob + include Gitlab::Utils::StrongMemoize - def self.local_prefixes - [controller_path, 'shared/wiki'] + before_action :authorize_read_wiki! + before_action :authorize_create_wiki!, only: [:edit, :create] + before_action :authorize_admin_wiki!, only: :destroy + before_action :load_project_wiki + before_action :load_page, only: [:show, :edit, :update, :history, :destroy] + before_action :valid_encoding?, + if: -> { %w[show edit update].include?(action_name) && load_page } + before_action only: [:edit, :update], unless: :valid_encoding? do + redirect_to(project_wiki_path(@project, @page)) + end + + def new + redirect_to project_wiki_path(@project, SecureRandom.uuid, random_title: true) end def pages - @nesting = show_children_param - @show_children = @nesting != ProjectWiki::NESTING_CLOSED @wiki_pages = Kaminari.paginate_array( - project_wiki.list_pages(**sort_params) + @project_wiki.list_pages(sort: params[:sort], direction: params[:direction]) ).page(params[:page]) - @wiki_entries = case @nesting - when ProjectWiki::NESTING_FLAT - @wiki_pages - else - WikiDirectory.group_by_directory(@wiki_pages) - end + @wiki_entries = WikiPage.group_by_directory(@wiki_pages) + end + + # `#show` handles a number of scenarios: + # + # - If `id` matches a WikiPage, then show the wiki page. + # - If `id` is a file in the wiki repository, then send the file. + # - If we know the user wants to create a new page with the given `id`, + # then display a create form. + # - Otherwise show the empty wiki page and invite the user to create a page. + def show + if @page + set_encoding_error unless valid_encoding? + + render 'show' + elsif file_blob + send_blob(@project_wiki.repository, file_blob) + elsif show_create_form? + # Assign a title to the WikiPage unless `id` is a randomly generated slug from #new + title = params[:id] unless params[:random_title].present? + + @page = build_page(title: title) + + render 'edit' + else + render 'empty' + end + end + + def edit + end + + def update + return render('empty') unless can?(current_user, :create_wiki, @project) + + @page = WikiPages::UpdateService.new(@project, current_user, wiki_params).execute(@page) + + if @page.valid? + redirect_to( + project_wiki_path(@project, @page), + notice: _('Wiki was successfully updated.') + ) + else + render 'edit' + end + rescue WikiPage::PageChangedError, WikiPage::PageRenameError, Gitlab::Git::Wiki::OperationError => e + @error = e + render 'edit' + end + + def create + @page = WikiPages::CreateService.new(@project, current_user, wiki_params).execute + + if @page.persisted? + redirect_to( + project_wiki_path(@project, @page), + notice: _('Wiki was successfully updated.') + ) + else + render action: "edit" + end + rescue Gitlab::Git::Wiki::OperationError => e + @page = build_page(wiki_params) + @error = e + + render 'edit' + end + + def history + if @page + @page_versions = Kaminari.paginate_array(@page.versions(page: params[:page].to_i), + total_count: @page.count_versions) + .page(params[:page]) + else + redirect_to( + project_wiki_path(@project, :home), + notice: _("Page not found") + ) + end + end + + def destroy + WikiPages::DestroyService.new(@project, current_user).execute(@page) - render 'show' + redirect_to project_wiki_path(@project, :home), + status: 302, + notice: _("Page was successfully deleted") + rescue Gitlab::Git::Wiki::OperationError => e + @error = e + render 'edit' end def git_access @@ -30,13 +122,74 @@ class Projects::WikisController < Projects::ApplicationController private - def sort_params - process_params(sort_params_config) + def show_create_form? + can?(current_user, :create_wiki, @project) && + @page.nil? && + # Always show the create form when the wiki has had at least one page created. + # Otherwise, we only show the form when the user has navigated from + # the 'empty wiki' page + (@project_wiki.exists? || params[:view] == 'create') end - def show_children_param - config = nesting_params_config(params[:sort]) + def load_project_wiki + @project_wiki = load_wiki + + # Call #wiki to make sure the Wiki Repo is initialized + @project_wiki.wiki + + @sidebar_page = @project_wiki.find_sidebar(params[:version_id]) + + unless @sidebar_page # Fallback to default sidebar + @sidebar_wiki_entries = WikiPage.group_by_directory(@project_wiki.list_pages(limit: 15)) + end + rescue ProjectWiki::CouldNotCreateWikiError + flash[:notice] = _("Could not create Wiki Repository at this time. Please try again later.") + redirect_to project_path(@project) + false + end + + def load_wiki + ProjectWiki.new(@project, current_user) + end + + def wiki_params + params.require(:wiki).permit(:title, :content, :format, :message, :last_commit_sha) + end + + def build_page(args = {}) + WikiPage.new(@project_wiki).tap do |page| + page.update_attributes(args) # rubocop:disable Rails/ActiveRecordAliases + end + end + + def load_page + @page ||= @project_wiki.find_page(*page_params) + end + + def page_params + keys = [:id] + keys << :version_id if params[:action] == 'show' + + params.values_at(*keys) + end + + def valid_encoding? + strong_memoize(:valid_encoding) do + @page.content.encoding == Encoding::UTF_8 + end + end + + def set_encoding_error + flash.now[:notice] = _("The content of this page is not encoded in UTF-8. Edits can only be made via the Git repository.") + end + + def file_blob + strong_memoize(:file_blob) do + commit = @project_wiki.repository.commit(@project_wiki.default_branch) + + next unless commit - process_params(config) + @project_wiki.repository.blob_at(commit.id, params[:id]) + end end end |