Added API for bulletin

app/controllers/panel/announcement/api/bulletins_controller.rb

@@ -0,0 +1,83 @@
+# API for Announcement Module
+# 
+# Simple access control
+#   params[:access_token] = Site ID
+#   ex: /panel/announcement/api/bulletins.json?access_token=5301d8be45d5f42f4f000001
+# 
+# Set Language
+#   Language can be "zh_tw" or "en"
+#   ex: /panel/announcement/api/bulletins.json?lang=en&access_token=5301d8be45d5f42f4f000001
+# 
+# Get Categories and Tags
+#   ex: /panel/announcement/api/categories_tags.json&access_token=5301d8be45d5f42f4f000001
+# 
+# Query Bulletins
+#   Set page number use params[:page_num]
+#   Set number of results per page use params[:per_page]
+#   ex: /panel/announcement/api/bulletins.json?page_num=3&per_page=15&access_token=5301d8be45d5f42f4f000001
+# 
+#   Filter bulletins with categories use params[:categories]
+#   ex: /panel/announcement/api/bulletins.json?categories[]=53046e4045d5f462a2000006&access_token=5301d8be45d5f42f4f000001
+# 
+#   Filter bulletins with tags use params[:tags]
+#   ex: /panel/announcement/api/bulletins.json?tags[]=5318e58d45d5f41127000007&access_token=5301d8be45d5f42f4f000001
+# 
+#   Filter bulletins with "is_hot" use params[:is_hot]
+#   ex: /panel/announcement/api/bulletins.json?is_hot=1&access_token=5301d8be45d5f42f4f000001
+#   
+#   Search bulletin title, subtitle, text with params[:keyword]
+#   ex: /panel/announcement/api/bulletins.json?keyword=大學&access_token=5301d8be45d5f42f4f000001
+
+class Panel::Announcement::Api::BulletinsController < OrbitWidgetController
+  before_filter :set_I18n, :check_site_id
+
+  def get_categories_tags
+    module_id = ModuleApp.where(:key=>"announcement").first.id
+    categories = Category.where(:module_app_id => module_id).collect{|c| {"id"=>c.id, "title"=>c.title_translations}}
+    module_tags = ModuleTag.where(:module_app_id => module_id).collect{|t| t.id}
+    tags = Tag.any_of({:tag_lease_id.in => module_tags}).collect{|t| {"id"=>t.id, "title"=>t.name_translations}}
+
+    render :json => {
+      "categories" => categories, 
+      "tags" => tags
+    }
+  end
+
+  def get_bulletins
+    page_num = params[:page_num].blank? ? 0 : params[:page_num].to_i
+    per_page = params[:per_page].blank? ? 10 : params[:per_page].to_i
+    per_page = per_page > 0 ? per_page : 10
+
+    if !params[:keyword].blank?
+      keyword = Regexp.new(".*"+params[:keyword]+".*")
+      bulletins = Bulletin.any_of({:title=>keyword},{:subtitle=>keyword},{:text=>keyword}).available_for_lang(I18n.locale)
+    else
+      bulletins = Bulletin.available_for_lang(I18n.locale)
+    end
+    
+    bulletins = bulletins.where(:is_hot => params[:is_hot]) if !params[:is_hot].blank?
+    bulletins = bulletins.where(:category_id.in => params[:categories]) if !params[:categories].blank?
+    bulletins = bulletins.where(:tagged_ids.in => params[:tags]) if !params[:tags].blank?
+    
+    bulletins = bulletins.desc( :is_top, :postdate).page(page_num).per(per_page)
+
+    total_pages = (bulletins.count / per_page) + 1
+    render :json => {
+      "bulletins" => bulletins,
+      "bulletins_count" => bulletins.count,
+      "page_num" => page_num,
+      "total_pages" => total_pages,
+      "lang"=>I18n.locale
+    }
+  end
+
+  protected
+
+  def set_I18n
+    I18n.locale = params[:lang] if params[:lang].present?
+  end
+
+  def check_site_id
+    raise ActionController::RoutingError.new('Not Found') if Site.first.id.to_s != params['access_token']
+  end
+end

config/routes.rb

@@ -41,6 +41,10 @@ Rails.application.routes.draw do
         match "bulletins_side_bar" => "bulletins#bulletins_side_bar"
         match "bulletins_search_block" => "bulletins#bulletins_search_block"
       end
+      namespace :api do
+        get "categories_tags.json" => "bulletins#get_categories_tags"
+        get "bulletins.json" => "bulletins#get_bulletins"
+      end
     end
   end
 end