nccu-news/app/views/admin/news/_export_excel.xlsx.axlsx

# encoding: utf-8

require 'nokogiri'

wb = xlsx_package.workbook

wb.add_worksheet(name: "News") 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 << "datetime"
  row2 << "Format: YYYY/MM/DD hh:mm, Example: 2015/12/10 00:00"

  row << t("end_date")
  row1 << "datetime"
  row2 << "Format: YYYY/MM/DD hh:mm, Example: 2015/12/12 00:00"

  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"


  row << t("news.unit")
  row1 << "textfield"
  row2 << "Unit - Department"

  row << t("view_count")
  row1 << "integer"
  row2 << ""

  sheet.add_row row, :style => heading
  sheet.add_row row1
  sheet.add_row row2, :style => example
  if @thread
    all_count = @news.count
    puts_every_count = [all_count * 3 / 100, 1].max
    current_count = 0
    finish_percent = 0
    @thread.update(:status=>{:status=>'Processing','all_count'=>all_count,'current_count'=>current_count,'finish_percent'=>finish_percent})
  end
  @news.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 %H:%M") rescue "")
    row << (anns.deadline.strftime("%Y/%m/%d %H:%M") rescue "")
    row << (anns.is_top? ? 1 : 0)
    row << (anns.is_hot? ? 1 : 0)
    row << (anns.is_hidden? ? 1 : 0)
    image_url = anns.image.url rescue ""
    row << (image_url.blank? ? "" : (@host + image_url))
    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"]
    ["en", "zh_tw"].each do |l|
      text = anns.text_translations[l]
      doc = Nokogiri::HTML.fragment(text)
      doc.css('[src]').each do |el|
        src = el.attributes['src'].value.to_s rescue ""
        if src.match(/^\/([^\/]|$)/)
          src = @host + src
          el.attributes['src'].value = src
        end
      end
      doc.css('[href]').each do |el|
        href = el.attributes['href'].value.to_s rescue ""
        if href.match(/^\/([^\/]|$)/)
          href = @host + href
          el.attributes['href'].value = href
        end
      end
      row << doc.to_s
    end

    links = anns.news_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.news_bulletin_files.asc(:created_at)
    t = files.collect{|f|(@host + f.file.url rescue nil)}
    t.delete(nil)
    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(";")

    tmp_unit = ""
    Unit.where({:id => anns.unit_id}).each do |u|
      tmp_unit += u.name
    end
    Department.where({:id => anns.department_id}).each do |d|
      tmp_unit += "-#{d.name}"
    end
    row << tmp_unit

    row << anns.view_count.to_s

    sheet.add_row row
    if @thread
      current_count += 1
      if current_count % puts_every_count == 0
        finish_percent = (current_count * 100.0 / all_count).round(1)
        @thread.update(:status=>{:status=>'Processing','all_count'=>all_count,'current_count'=>current_count,'finish_percent'=>finish_percent})
      end
    end
  end
  if @thread
    finish_percent = 100
    @thread.update(:status=>{:status=>'finish','all_count'=>all_count,'current_count'=>current_count,'finish_percent'=>finish_percent})
  end




end