feeds/app/models/site_feed_annc.rb

class SiteFeedAnnc
  include Mongoid::Document
  include Mongoid::Timestamps
  field :top_list,type: Array,default: []
  field :hot_list,type: Array,default: []
  field :all_contents_for_feed
  field :channel_key
  field :feed_id
  field :feed_name
  field :category_title
  field :hidden_annc,type: Array,default: []
  field :merge_with_category
  field :remote_site_url
  field :channel_title
  I18n.available_locales.each do |locale|
    index({ "all_contents_for_feed.#{locale}.is_hidden"=> -1,
            "all_contents_for_feed.#{locale}.is_top"=> -1,
            "all_contents_for_feed.#{locale}.postdate"=> -1}, { unique: false, background: true, name: "cache_#{locale}" })
  end
  def get_annc(annc_uid)
    Array(self[:all_contents_for_feed]).select{|v| v['id']==annc_uid}[0] rescue {}
  end
  before_save do
    if self.top_list_changed? || self.hot_list_changed? || self.hidden_annc_changed? || self.category_title_changed?
      self[:all_contents_for_feed] = self.cache_annc
    end
  end
  def cache_annc(force_refresh=false,locales=nil,trans=nil)
    feed = SiteFeed.find(self.feed_id)
    anns = feed.get_annc(force_refresh)
    cat = self.category_title
    if locales.nil?
      locales = Site.first.in_use_locales rescue I18n.available_locales
    end
    if trans.nil?
      trans = {}
      locales.each do |locale|
        trans[locale] = {}
        I18n.with_locale(locale) do
          trans[locale]['top'] = I18n.t(:top)
          trans[locale]['hot'] = I18n.t(:hot)
          trans[locale]['more_plus'] = I18n.t(:more_plus)
        end
      end
    end
    cache_data = {}
    locales.each do |locale|
      locale = locale.to_s
      data_for_locale = anns.collect do |a|
        tmp = a.deep_dup
        tmp[:is_hidden] = self.hidden_annc.include?(tmp['id'])
        if self.channel_key == "announcement"
          tmp["postdate"] = tmp["postdate"].blank? ? nil : tmp["postdate"].to_time
          tmp['statuses'] = []
          if self[:top_list].count == 0 || self[:top_list].exclude?(tmp['id'])
            tmp[:is_top] = false
          else
            tmp[:is_top] = true
            tmp['statuses'] << {
              "status" => trans[locale]['top'],
              "status-class" => "status-top"
            }
          end
          if self[:hot_list].count == 0 || self[:top_list].exclude?(tmp['id'])
            tmp[:is_hot] = false
          else
            tmp[:is_hot] = true
            tmp['statuses'] << {
              "status" => trans[locale]['hot'],
              "status-class" => "status-hot"
            }
          end
          tmp["category"] = cat
          tmp["source-site"] = self.remote_site_url
          tmp["source-site-title"] = (self[:channel_title][locale] rescue "")
          tmp["params"] = tmp["params"].to_s + "_" + self.feed_id.to_s + "h"
          if !tmp["source-site-title"].blank?
            tmp['statuses'] << {
              "status" => "<a href='#{tmp["source-site"]}' target='_blank' class='feed-source'>#{tmp["source-site-title"]}</a>",
              "status-class" => "status-source"
            }
          end

          files = tmp["bulletin_files"].collect{|bf| { "file_url" => bf["url"], "file_title" => (bf["title_translations"][locale].blank? ? File.basename(bf["url"]) : bf["title_translations"][locale] rescue '') }} rescue []
          links = tmp["bulletin_links"].map{|link|  { "link_url" => link["url"], "link_title" => (link["title_translations"][locale].blank? ? link["url"] : link["title_translations"][locale]) } } rescue []
          tmp["bulletin_links"] = links
          tmp["bulletin_files"] = files
          tmp["title"] = tmp["title_translations"][locale]
          tmp["subtitle"] = tmp["subtitle_translations"][locale]
          tmp["source-site-link"] = tmp["source-site"]
          tmp["source-site"] = "<a href='#{tmp["source-site"]}' target='_blank' class='feed-source'>#{tmp["source-site-title"]}</a>"
          tmp["link_to_show"] = !tmp["external_link"].blank? ? tmp["external_link"] : nil
          tmp["target"] = "_self"
          tmp["img_src"] = tmp["image"]["thumb"] || "/assets/announcement-default.jpg"
          tmp["img_description"] = tmp["image_description_translations"][locale]
          tmp["more"] = trans[locale]['more_plus']
          tmp["view_count"] = ""
        else
          tmp['statuses'] = []
          if self[:top_list].count == 0 || self[:top_list].exclude?(tmp['id'])
            tmp[:is_top] = false
          else
            tmp[:is_top] = true
            tmp['statuses'] << {
              "status" => trans[locale]['top'],
              "status-class" => "status-top"
            }
          end
          if self[:hot_list].count == 0 || self[:top_list].exclude?(tmp['id'])
            tmp[:is_hot] = false
          else
            tmp[:is_hot] = true
            tmp['statuses'] << {
              "status" => trans[locale]['hot'],
              "status-class" => "status-hot"
            }
          end
          tmp["category"] = cat
          tmp["source-site"] = self.remote_site_url
          tmp["source-site-title"] = (self[:channel_title][locale] rescue "")
          tmp["params"] = tmp["params"].to_s + "_" + self.feed_id.to_s + "h"
          tmp['statuses'] << {
            "status" => "<a href='#{tmp["source-site"]}' target='_blank' class='feed-source'>#{tmp["source-site-title"]}</a>",
            "status-class" => "status-source"
          }
          tmp["source-site-link"] = tmp["source-site"]
          tmp["source-site"] = "<a href='#{tmp["source-site"]}' target='_blank' class='feed-source'>#{tmp["source-site-title"]}</a>"
          tmp["target"] = "_self"
          tmp["more"] = trans[locale]['more_plus']
          tmp["view_count"] = ""
          new_tmp = {}
          tmp.each do |key,value|
            if key.include? "_translations"
              new_tmp[key.sub("_translations","")] = value[locale].to_s rescue ""
            elsif key.include?("date") || key.include?("Date")
              new_tmp[key] = DateTime.parse(value) rescue nil
            else
              if value.class == Hash
                value.each do |sub_k,sub_v|
                  if sub_k.include? "_translations"
                    new_tmp[key][sub_k.sub("_translations","")] = sub_v[locale].to_s rescue ""
                  else
                    new_tmp[key][sub_k] = sub_v
                  end
                end
              else
                new_tmp[key] = value
              end
            end
          end
          tmp = BSON::Document.new(new_tmp)
        end
        tmp
      end
      cache_data[locale.to_s] = data_for_locale
    end
    cache_data
  end

  def self.get_feed_cache(channel_key,merge_with_category=nil,site_source=nil,locale=I18n.locale.to_s,is_widget=false,max_len=nil)
    match_cond = {"channel_key"=>channel_key}
    if !merge_with_category.blank? && merge_with_category.exclude?('all')
      match_cond["merge_with_category"] = {"$in"=>merge_with_category}
    end
    if site_source
      match_cond["channel_title.#{locale}"] = site_source
    end
    pipeline = [
      {"$match"=>match_cond},
      {"$project"=>{"data"=>"$all_contents_for_feed.#{locale}"}},
      {"$unwind"=>"$data"},
      {"$sort"=>{"data.is_hidden"=>-1,"data.is_top"=>-1,"data.postdate"=>-1}},
      {"$match"=>{"data.is_hidden"=>{"$ne"=>true},
                  "data.postdate"=>{"$lte"=>Time.now},
                  "data.title" => {"$gt"=>""}
              }
      }
    ]
    if max_len
      pipeline << {"$limit"=> max_len}
    end
    self.collection.aggregate(pipeline).collect do |data|
      tmp = data['data']
      if tmp["link_to_show"].nil?
        if !is_widget
          tmp["link_to_show"] = OrbitHelper.url_to_show(tmp["params"]) rescue ''
        else
          tmp["link_to_show"] = OrbitHelper.widget_item_url(tmp["params"]) rescue ''
        end
      end
      tmp
    end
  end

  def all_contents_for_feed(site_source=nil,locale=I18n.locale.to_s,is_widget=false)
    if !site_source.nil? && site_source != self[:channel_title][locale]
      return []
    end
    time_now = Time.now
    Array(self[:all_contents_for_feed][locale.to_s]).collect do |v|
      tmp = v
      next if tmp["is_hidden"]  || (!tmp["postdate"].nil? && tmp["postdate"]<Time.now) || tmp['title'].blank?
      if tmp["link_to_show"].nil?
        if !is_widget
          tmp["link_to_show"] = OrbitHelper.url_to_show(tmp["params"]) rescue ''
        else
          tmp["link_to_show"] = OrbitHelper.widget_item_url(tmp["params"]) rescue ''
        end
      end
      tmp
    end.compact
  end
  def channel_title(locale=I18n.locale)
    self[:channel_title][locale] rescue self[:channel_title]
  end
  def category
    Category.find(self.merge_with_category) rescue nil
  end
  def category_title
    self[:category_title][I18n.locale]
  end
end