From 2915bb27078a3eae0bac36bd2c3a2e1c4998130c Mon Sep 17 00:00:00 2001
From: blackst0ne <blackst0ne.ru@gmail.com>
Date: Thu, 7 Sep 2017 09:21:52 +1100
Subject: Add API support for wiki pages

---
 lib/api/api.rb      |  1 +
 lib/api/entities.rb | 10 ++++++
 lib/api/helpers.rb  |  6 ++++
 lib/api/wikis.rb    | 89 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 106 insertions(+)
 create mode 100644 lib/api/wikis.rb

(limited to 'lib/api')

diff --git a/lib/api/api.rb b/lib/api/api.rb
index 94df543853b..9f67cb598f6 100644
--- a/lib/api/api.rb
+++ b/lib/api/api.rb
@@ -143,6 +143,7 @@ module API
     mount ::API::Variables
     mount ::API::GroupVariables
     mount ::API::Version
+    mount ::API::Wikis
 
     route :any, '*path' do
       error!('404 Not Found', 404)
diff --git a/lib/api/entities.rb b/lib/api/entities.rb
index e8dd61e493f..3c0fc4c2564 100644
--- a/lib/api/entities.rb
+++ b/lib/api/entities.rb
@@ -1,5 +1,15 @@
 module API
   module Entities
+    class WikiPageBasic < Grape::Entity
+      expose :format
+      expose :slug
+      expose :title
+    end
+
+    class WikiPage < WikiPageBasic
+      expose :content
+    end
+
     class UserSafe < Grape::Entity
       expose :name, :username
     end
diff --git a/lib/api/helpers.rb b/lib/api/helpers.rb
index b56fd2388b3..0932f8eb76f 100644
--- a/lib/api/helpers.rb
+++ b/lib/api/helpers.rb
@@ -35,6 +35,12 @@ module API
       @project ||= find_project!(params[:id])
     end
 
+    def wiki_page
+      page = user_project.wiki.find_page(params[:slug])
+
+      page || not_found!('Wiki Page')
+    end
+
     def available_labels
       @available_labels ||= LabelsFinder.new(current_user, project_id: user_project.id).execute
     end
diff --git a/lib/api/wikis.rb b/lib/api/wikis.rb
new file mode 100644
index 00000000000..b3fc4e876ad
--- /dev/null
+++ b/lib/api/wikis.rb
@@ -0,0 +1,89 @@
+module API
+  class Wikis < Grape::API
+    helpers do
+      params :wiki_page_params do
+        requires :content, type: String, desc: 'Content of a wiki page'
+        requires :title, type: String, desc: 'Title of a wiki page'
+        optional :format,
+          type: String,
+          values: ProjectWiki::MARKUPS.values.map(&:to_s),
+          default: 'markdown',
+          desc: 'Format of a wiki page. Available formats are markdown, rdoc, and asciidoc'
+      end
+    end
+
+    resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do
+      desc 'Get a list of wiki pages' do
+        success Entities::WikiPageBasic
+      end
+      params do
+        optional :with_content, type: Boolean, default: false, desc: "Include pages' content"
+      end
+      get ':id/wikis' do
+        authorize! :read_wiki, user_project
+
+        entity = params[:with_content] ? Entities::WikiPage : Entities::WikiPageBasic
+        present user_project.wiki.pages, with: entity
+      end
+
+      desc 'Get a wiki page' do
+        success Entities::WikiPage
+      end
+      params do
+        requires :slug, type: String, desc: 'The slug of a wiki page'
+      end
+      get ':id/wikis/:slug' do
+        authorize! :read_wiki, user_project
+
+        present wiki_page, with: Entities::WikiPage
+      end
+
+      desc 'Create a wiki page' do
+        success Entities::WikiPage
+      end
+      params do
+        use :wiki_page_params
+      end
+      post ':id/wikis' do
+        authorize! :create_wiki, user_project
+
+        page = WikiPages::CreateService.new(user_project, current_user, params).execute
+
+        if page.valid?
+          present page, with: Entities::WikiPage
+        else
+          render_validation_error!(page)
+        end
+      end
+
+      desc 'Update a wiki page' do
+        success Entities::WikiPage
+      end
+      params do
+        use :wiki_page_params
+      end
+      put ':id/wikis/:slug' do
+        authorize! :create_wiki, user_project
+
+        page = WikiPages::UpdateService.new(user_project, current_user, params).execute(wiki_page)
+
+        if page.valid?
+          present page, with: Entities::WikiPage
+        else
+          render_validation_error!(page)
+        end
+      end
+
+      desc 'Delete a wiki page'
+      params do
+        requires :slug, type: String, desc: 'The slug of a wiki page'
+      end
+      delete ':id/wikis/:slug' do
+        authorize! :admin_wiki, user_project
+
+        status 204
+        WikiPages::DestroyService.new(user_project, current_user).execute(wiki_page)
+      end
+    end
+  end
+end
-- 
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