added export to excel

app/controllers/admin/announcements_controller.rb

@@ -52,6 +52,15 @@ class Admin::AnnouncementsController < OrbitAdminController
     end
   end
 
+  def export_excel
+    @announcements = Bulletin.all.desc(:created_at)
+    respond_to do |format|
+      format.xlsx {
+        response.headers['Content-Disposition'] = 'attachment; filename="announcement_export.xlsx"'
+      }
+    end
+  end
+
   def import_from_xml
     download_tmp_xml params["import_xml"]
     import_from_tmp_xml File.read(File.join(Rails.root, "tmp", "ann_cc_ntu.xml"))

app/views/admin/announcements/export_excel.xlsx.axlsx

@@ -0,0 +1,176 @@
+# encoding: utf-8
+
+wb = xlsx_package.workbook
+
+wb.add_worksheet(name: "Annoucement") do |sheet|
+
+  heading = sheet.styles.add_style(:b => true, :locked => true)
+  example = sheet.styles.add_style(:i => true)
+  row = []
+  row1 = []
+  row2 = []
+
+  row << t("category")
+  row1 << "select"
+  t = ""
+  categories = @module_app.categories.asc(:created_at)
+  categories.each_with_index do |cat,i|
+      t = t + "#{i}" + " -> " + cat.title + ", " 
+  end
+  if categories.count > 0
+    t = t + " Example : 0"
+  else
+    t = "Leave this field blank"
+  end
+  row2 << t
+
+  row << t("tags")
+  row1 << "select"
+  t = ""
+  tags = @module_app.tags.asc(:created_at)
+  tags.each_with_index do |tag,i|
+      t = t + "#{i}" + " -> " + tag.name + ", " 
+  end
+  if tags.count > 0
+    t = t + " Example : 0,1,2"
+  else
+    t = "Leave this field blank"
+  end
+  row2 << t
+
+  row << t("start_date")
+  row1 << "date"
+  row2 << "Format: YYYY/MM/DD, Example: 2015/12/10"
+
+  row << t("end_date")
+  row1 << "date"
+  row2 << "Format: YYYY/MM/DD, Example: 2015/12/12"
+
+  row << t("top")
+  row1 << "boolean"
+  row2 << "0 for false, 1 for true"
+
+  row << t("hot")
+  row1 << "boolean"
+  row2 << "0 for false, 1 for true"
+
+  row << t("hide")
+  row1 << "boolean"
+  row2 << "0 for false, 1 for true "
+
+  row << t("image")
+  row1 << "url"
+  row2 << "http://www.example.com/images/example.png"
+
+  row << t("image") + " " + t("description") + " - " +  t("en")
+  row1 << "textfield"
+  row2 << ""
+  row << t("image") + " " + t("description") + " - " +  t("zh_tw")
+  row1 << "textfield"
+  row2 << ""
+
+  row << t("title") + " - " +  t("en")
+  row1 << "textfield"
+  row2 << ""
+  row << t("title") + " - " +  t("zh_tw")
+  row1 << "textfield"
+  row2 << ""
+
+  row << t("subtitle") + " - " +  t("en")
+  row1 << "textarea"
+  row2 << ""
+  row << t("subtitle") + " - " +  t("zh_tw")
+  row1 << "textarea"
+  row2 << ""
+
+  row << t("content") + " - " +  t("en")
+  row1 << "editor"
+  row2 << ""
+  row << t("content") + " - " +  t("zh_tw")
+  row1 << "editor"
+  row2 << ""
+
+  row << t("link")
+  row1 << "textfield"
+  row2 << "Seperate with ';'. Example: http://rulingcom.com; http://google.com"
+  
+  row << t("link") + " " + t("url_alt") + " - " +  t("en")
+  row1 << "textfield"
+  row2 << "Seperate with ';' with respective to the links in the link columns. Example : Rulingcom official site; Google search engine"
+  row << t("link") + " " + t("url_alt") + " - " +  t("zh_tw")
+  row1 << "textfield"
+  row2 << "Seperate with ';' with respective to the links in the link columns. Example : Rulingcom official site; Google search engine"
+
+  row << t("file_")
+  row1 << "textfield"
+  row2 << "Seperate with ';'. Example: http://www.example.com/images/example.png; http://www.example.com/images/example2.png"
+  
+  row << t("file_") + " " + t("description") + " - " +  t("en")
+  row1 << "textfield"
+  row2 << "Seperate with ';' with respective to the links in the link columns. Example : Great view; Nice potrait"
+  row << t("file_") + " " + t("description") + " - " +  t("zh_tw")
+  row1 << "textfield"
+  row2 << "Seperate with ';' with respective to the links in the link columns. Example : Great view; Nice potrait"
+
+  row << t("file_") + " " + t("alternative") + " - " +  t("en")
+  row1 << "textfield"
+  row2 << "Seperate with ';' with respective to the links in the link columns. Example : example1; example2"
+  row << t("file_") + " " + t("alternative") + " - " +  t("zh_tw")
+  row1 << "textfield"
+  row2 << "Seperate with ';' with respective to the links in the link columns. Example : example1; example2"
+
+
+  sheet.add_row row, :style => heading
+  sheet.add_row row1
+  sheet.add_row row2, :style => example
+
+  @announcements.each do |anns|
+    row = []
+    row << categories.to_a.index(anns.category)
+    t = []
+    anns.tags.each do |tag|
+      t << tags.to_a.index(tag)
+    end
+    row << t.join(",")
+    row << (anns.postdate.strftime("%Y/%m/%d") rescue "")
+    row << (anns.deadline.strftime("%Y/%m/%d") rescue "")
+    row << (anns.is_top? ? 1 : 0)
+    row << (anns.is_hot? ? 1 : 0)
+    row << (anns.is_hidden? ? 1 : 0)
+    row << ("http://" + request.host_with_port + anns.image.url rescue "")
+    row << anns.image_description_translations["en"]
+    row << anns.image_description_translations["zh_tw"]
+    row << anns.title_translations["en"]
+    row << anns.title_translations["zh_tw"]
+    row << anns.subtitle_translations["en"]
+    row << anns.subtitle_translations["zh_tw"]
+    row << anns.text_translations["en"]
+    row << anns.text_translations["zh_tw"]
+
+    links = anns.bulletin_links.asc(:created_at)
+    t = links.collect{|l|l.url}
+    row << t.join(";")
+    t = links.collect{|l|l.title_translations["en"]}
+    row << t.join(";")
+    t = links.collect{|l|l.title_translations["zh_tw"]}
+    row << t.join(";")
+    
+    files = anns.bulletin_files.asc(:created_at)
+    t = files.collect{|f|"http://" + request.host_with_port + f.file.url}
+    row << t.join(";")
+    t = files.collect{|l|l.description_translations["en"]}
+    row << t.join(";")
+    t = files.collect{|l|l.description_translations["zh_tw"]}
+    row << t.join(";")
+    t = files.collect{|l|l.title_translations["en"]}
+    row << t.join(";")
+    t = files.collect{|l|l.title_translations["zh_tw"]}
+    row << t.join(";")
+    sheet.add_row row
+  end
+
+
+
+
+
+end

app/views/admin/announcements/import.html.erb

@@ -2,6 +2,12 @@
 	<script type="text/javascript" src="/assets/validator.js"></script>
 <% end %>
 <form action="<%= admin_announcement_importanns_path %>" method="post" class="form-horizontal main-forms" id="import-anns-xls"  enctype="multipart/form-data">
+	<h3 style="padding-left: 30px;">Export to Excel</h3>
+	<div class="control-group">
+		<div class="controls">
+	 		<a href="<%= admin_announcement_export_excel_path(:format => "xlsx") %>">Export all announcments.</a>  
+	 	</div>
+	</div>
 	<h3 style="padding-left: 30px;">Import from Excel</h3>
 	<%= hidden_field_tag :authenticity_token, form_authenticity_token %>
 	<div class="input-area">

config/routes.rb

@@ -9,6 +9,7 @@ Rails.application.routes.draw do
       post 'announcement/importanns', to: 'announcements#importanns'
       post 'announcement/import_from_xml', to: 'announcements#import_from_xml'
       get 'announcement/excel_format', to: 'announcements#excel_format'
+      get 'announcement/export_excel', to: 'announcements#export_excel'
       patch 'announcement/updatefeed', to: 'announcements#updatefeed'
       delete 'announcement/deletefeed', to: 'announcements#deletefeed'
       get 'announcement/destroy_preview/:slug_title-:uid', to: 'announcements#destroy_preview'