gallery/app/controllers/galleries_controller.rb

class GalleriesController < ApplicationController
  find_tag = Tag.all.select{|value| value.name==I18n.t('gallery.not_show_desc')}
  if find_tag.length==0
    module_app_id = ModuleApp.where(:key=>"gallery").first[:_id]
    tags = ModuleApp.where(:key=>"gallery").first.tags
    tag0 = Tag.new(is_default: false,module_app_ids: [module_app_id])
    tag1 = Tag.new(is_default: false,module_app_ids: [module_app_id])
    nowlocale = I18n.locale
    I18n.available_locales.each do |locale|
      I18n.locale = locale
      tag0.name = I18n.t('gallery.show_desc')
      tag1.name = I18n.t('gallery.not_show_desc')
    end
    I18n.locale = nowlocale
    tag0.save
    tag1.save
    tags << tag0
    tags << tag1
  end
	def index
      albums = Album.filter_by_categories.filter_by_tags.asc(:order)
      galleries = albums.collect do |a|
        doc = Nokogiri::HTML(a.description.to_s)
        alt_text = doc.text.empty? ? 'gallery image' : doc.text
        {
          "album-name" => a.name,
          "album-description" => a.description,
          "alt_title" => alt_text,
          "link_to_show" =>  OrbitHelper.url_to_show(a.to_param),
          "thumb-src" => a.cover_path || "/assets/gallery/default.jpg"
        }
      end
    {
      "albums" => galleries,
      "extras" => {"widget-title"=>"Gallery"},
      "total_pages" => albums.total_pages
    } 

  end

  def show
    params = OrbitHelper.params
    album = Album.find_by_param(params[:uid])
    flag = show_desc?
  	images = album.album_images.asc(:order).collect do |a|
      alt_text = (a.description.nil? || a.description == "" ? "gallery image" : a.description)
	    {
        "image-description" => a.description,
        "alt_title" => alt_text,
	      "link_to_show" =>  "/xhr/galleries/theater/" + a.id.to_s,
	      "thumb-src" => a.file.thumb.url
	    }
	   end
      {
        "images" => images,
        "data" => {"album-title"=>album.name,
                  "album-description" => (flag ? "<p><span>#{album.description}</span></p>" : "")}
      } 
  end

  def widget
    tags = OrbitHelper.widget_tags.empty? ? ["all"] : OrbitHelper.widget_tags
    albums = Album.filter_by_widget_categories.filter_by_tags(tags)
    params = OrbitHelper.params
    counts = OrbitHelper.widget_data_count
    
    images = []
    total_images = 0
    if !albums.blank?
      albums.each do |album|
        total_images = total_images + album.album_images.count
      end
      counts = counts > total_images ? total_images : counts
      abc = AlbumImage.count
      counts = counts > abc ? abc : counts
      while images.count < counts
        albums.each do |album|
          img = album.album_images.sample
          if !images.include?(img) && img != nil 
            images << img
          end
        end
      end
    end
    images = images.collect do |a|
      alt_text = (a.description.nil? || a.description == "" ? "gallery image" : a.description)

      {
        "link_to_show" =>  OrbitHelper.widget_more_url + "/" + a.album.to_param + "#" + a.id.to_s,
        "alt_title" => alt_text,
        "src" => a.file.url,
        "thumb-src" => a.file.thumb.url,
        "thumb-large-src" => a.file.thumb_large.url,
        "image_description" => a.description,
        "mobile-src" => a.file.mobile.url,
        "theater-src" => a.file.theater.url
      }
    end
    {
      "images" => images,
      "extras" => {"widget-title"=>"Gallery","more_url" => OrbitHelper.widget_more_url}
    } 
  end

  def imgs(album_id)
    album = Album.find(album_id)
    tag_names = Array.new
    images = album.album_images.asc(:order)
    output =  Array.new
    images.each do |values|
        alt_text = (values.description.nil? || values.description == "" ? "gallery image" : values.description)
        output << { _id:  values.id.to_s,
                     description: values.description,
                     title: values.title,
                     alt_title: alt_text,
                     url: values.file.url,
                     file: values.file.as_json[:file],
                     gallery_album_id: values.album_id,
                     tags: values.tags}
    end
    return output
  end

  def theater
    image = AlbumImage.find(params[:id])
    albumid = image.album_id
    album = Album.find(albumid)
    images = album.album_images.asc(:order)
     data = {
      "album" => album,
      "image" => image.id.to_s,
      "images" => imgs(albumid)
     }

   render :json => {"data" => data}.to_json
  end
  private
    def show_desc?
        tags = OrbitHelper.page_tags if tags.blank?
        tags = [tags].flatten.uniq
        flag = true
        tag_temp = Tag.all.select{|value| tags.include? value.id.to_s}
        tag_temp_length = 0
        tag_temp.each do |value| 
          if value.name==I18n.t('gallery.show_desc')
            flag = true
          elsif value.name==I18n.t('gallery.not_show_desc')
            flag = false
          end
        end
        flag
    end
end