export son

app/controllers/admin/bulletins_controller.rb

@@ -0,0 +1,102 @@
+# encoding: utf-8
+class Admin::BulletinsController < ApplicationController
+  before_filter :set_I18n
+
+  def get_bulletins
+    # 頁次
+    page_num = params[:page_num].blank? ? 0 : params[:page_num].to_i
+    # 每頁顯示的則數
+    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})
+    else
+      bulletins = Bulletin.all
+    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.where(:is_preview.in=>[false,nil])
+    
+    bulletins = bulletins.desc( :is_top, :postdate).page(page_num).per(per_page)
+
+    bulletins = bulletins.collect do |b|
+      image = request.protocol + request.host_with_port + b.image.url rescue nil
+      
+      links = b.bulletin_links.collect do |bl|
+        {
+          "title" => bl.title_translations,
+          "url" => bl.url
+        }
+      end rescue nil
+
+      files = b.bulletin_files.collect do |bf|
+      file = request.protocol + request.host_with_port + bf.file.url rescue nil
+        {
+          "title" => bf.title_translations,
+          "description" => bf.description_translations,
+          "file" => file
+        }
+      end rescue nil
+
+      ts = b.tags.collect do |t|
+        {
+          "name" => t.name_translations
+        }
+      end rescue nil
+
+      text = {"en" => "", "zh_tw" => ""}
+      text["en"] = (b.text_translations["en"].nil? ? "" :smart_convertor(b.text_translations["en"]))
+      text["zh_tw"] = (b.text_translations["zh_tw"].nil? ? "" : smart_convertor(b.text_translations["zh_tw"]))
+
+      author = User.find(b.create_user_id).member_profile.name rescue ""
+
+      {
+        "id" => b.id.to_s,
+        "title" => b.title_translations,
+        "subtitle" => b.subtitle_translations,
+        "text" => text,
+        "postdate" => b.postdate,
+        "deadline" => b.deadline,
+        "category" => b.category.title_translations,
+        "tags" => ts,
+        "image" => image,
+        "links" => links,
+        "files" => files,
+        "author" => author
+      }
+
+    end
+
+    render :json => {
+      "bulletins" => bulletins
+    }.to_json
+  end
+
+  def smart_convertor(text)
+    html_string = text
+    links = html_string.scan(/img.*?src="(.*?)"/i)
+      links.each do |link|
+        l = link.first
+        new_link = nil
+        if l.starts_with?("/")
+          new_link = request.protocol + request.host_with_port + l
+        elsif l.starts_with?("..")
+          l1 = l.gsub("../","")
+          new_link = request.protocol + request.host_with_port + "/" + l1
+        end
+        html_string = html_string.sub(l,new_link) if !new_link.nil?
+      end
+    return html_string
+  end
+
+  protected
+
+  def set_I18n
+    I18n.locale = params[:lang] if params[:lang].present?
+  end
+
+end

config/routes.rb

@@ -7,6 +7,7 @@ Rails.application.routes.draw do
       post 'announcement/preview', to: 'announcements#preview'
       get 'announcement/destroy_preview/:slug_title-:uid', to: 'announcements#destroy_preview'
       get 'announcement/approve_bulletin', to: 'announcements#approve_bulletin'
+      get "announcement/bulletins.json" => "bulletins#get_bulletins"
       resources :announcements
    end