#45 API ぼちぼち

backend/app/controllers/wiki_pages_controller.rb

@@ -49,4 +49,22 @@ class WikiPagesController < ApplicationController
 
     render json: q.limit(20)
   end
+
+  def changes
+    id = params[:id]
+    log = id.present? ? wiki.page("#{ id }.md").versions : wiki.repo.log('main', nil, max_count: 50)
+    render json: log.map { |commit|
+        { sha:        commit.id,
+          author:     commit.author.name,
+          message:    commit.message,
+          timestamp:  commit.authored_date } }
+  end
+
+  private
+
+  WIKI_PATH = Rails.root.join('wiki').to_s
+
+  def wiki
+    @wiki ||= Gollum::Wiki.new(WIKI_PATH)
+  end
 end

backend/config/routes.rb

@@ -6,6 +6,7 @@ Rails.application.routes.draw do
   get 'preview/thumbnail', to: 'preview#thumbnail'
   get 'wiki/title/:title', to: 'wiki_pages#show_by_title'
   get 'wiki/search', to: 'wiki_pages#search'
+  get 'wiki/changes', to: 'wiki_pages#changes'
   get 'wiki/:id', to: 'wiki_pages#show'
   post 'wiki', to: 'wiki_pages#create'
   put 'wiki/:id', to: 'wiki_pages#update'