Add notify edit contents feature.

app/controllers/feeds_controller.rb

@@ -0,0 +1,83 @@
+class FeedsController < ApplicationController
+	skip_before_action :verify_authenticity_token
+	def notify_change
+		feed = SiteFeed.where(:feed_uid=>params[:uid]).first
+		feed_annc = SiteFeedAnnc.where(:feed_id=>feed.id).first
+		if feed_annc
+			locales = Site.first.in_use_locales rescue I18n.available_locales
+			site_root_url = Site.first.root_url rescue ""
+			main_directory = File.join("#{Rails.root}","public","site_feeds")
+			feed_directory = File.join(main_directory.to_s, feed.id.to_s)
+			feed_data = JSON.parse(File.read(File.join(feed_directory.to_s, feed.feed_uid + ".json")))
+			channel_key_pluralize = feed_annc.channel_key.pluralize
+			if params[:type] == 'create'
+				locales.each do |locale|
+					trans = {}
+					locale = locale.to_s
+					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("feed.more")
+					end
+					locale_sym = locale.to_sym
+					params[:data].each do |a|
+						a = JSON.parse(a)
+						postdate = Time.parse(a["postdate"])
+						insert_idx = 0
+						if postdate
+							insert_idx = feed_annc[:all_contents_for_feed][locale_sym].index{|aa| aa["postdate"] <= postdate}
+							insert_idx = 0 if insert_idx.nil?
+						end
+						feed_annc.all_contents_for_feed_will_change!
+						feed_annc[:all_contents_for_feed][locale_sym].insert(insert_idx, feed_annc.process_tmp(a,locale,trans,site_root_url))
+						feed_data[channel_key_pluralize].insert(insert_idx, a)
+					end
+				end
+				feed_annc.instance_variable_set(:@skip_callback, true)
+				feed_annc.save!
+			elsif params[:type] == 'update'
+				locales.each do |locale|
+					trans = {}
+					locale = locale.to_s
+					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("feed.more")
+					end
+					locale_sym = locale.to_sym
+					params[:data].each do |a|
+						a = JSON.parse(a)
+						feed_annc[:all_contents_for_feed][locale_sym].each_with_index do |aa, i|
+							if aa["id"] == a["id"]
+								feed_annc.all_contents_for_feed_will_change!
+								feed_annc[:all_contents_for_feed][locale_sym][i] = feed_annc.process_tmp(a,locale,trans,site_root_url)
+								feed_data[channel_key_pluralize][i] = a
+								break
+							end
+						end
+					end
+				end
+				feed_annc.instance_variable_set(:@skip_callback, true)
+				feed_annc.save!
+			elsif params[:type] == 'destroy'
+				locales.each do |locale|
+					locale_sym = locale.to_sym
+					feed_annc.all_contents_for_feed_will_change!
+					feed_annc[:all_contents_for_feed][locale_sym].reject!{|a| params[:data].include?(a["id"]) }
+					feed_data[channel_key_pluralize].reject!{|a| params[:data].include?(a["id"]) }
+				end
+				feed_annc.instance_variable_set(:@skip_callback, true)
+				feed_annc.save!
+			end
+			feed_data = feed_data.to_json
+			FileUtils.mkdir_p(feed_directory) if !File.exists?(feed_directory)
+			File.open(File.join(feed_directory.to_s,feed.feed_uid + ".json"),"w") do |file|
+				feed_data.force_encoding("utf-8")
+				file.write(feed_data)
+			end
+		end
+		render :json => {success: true}
+	end
+end

app/models/site_feed.rb

@@ -10,11 +10,13 @@ class SiteFeed
   field :disabled, type: Boolean, default: false
   field :feed_url
   field :feed_uid
+  field :enable_notify, type: Boolean, default: false
   require 'feed_model/cache'
   require 'fileutils'
   include FeedModel::Cache
   Category.send(:include,FeedModel::Cache)
   after_create do
+    self.add_notify
     crontab_list = `crontab -l`.split("\n") rescue []
     site_root = Rails.root.to_s
     if crontab_list.select{|s| s.include?(site_root) && s.include?("feeds_module:make_cache")} == []
@@ -22,6 +24,7 @@ class SiteFeed
     end
   end
   before_destroy do
+    self.remove_notify
     tmp = SiteFeedAnnc.where(feed_id: self.id)
     main_directory = File.join("#{Rails.root}","public","site_feeds")
     feed_directory = File.join(main_directory.to_s, self.id.to_s)
@@ -83,4 +86,38 @@ class SiteFeed
   def channel_title_for_cache
     !self[:channel_title].to_s.empty? ? self[:channel_title] : I18n.t("feed.source")
   end
+  def add_notify
+    unless self.enable_notify
+      root_url = Site.first.root_url rescue ""
+      if root_url.present?
+        uri = URI(self.remote_site_url)
+        http_req = Net::HTTP.new(uri.host, uri.port)
+        if self.remote_site_url.include?('https')
+          http_req.use_ssl = true
+        end
+        http_req.open_timeout = 10
+        request = Net::HTTP::Post.new("/xhr/#{self.channel_key.pluralize}/feed_add_remote/#{self.feed_uid}", 'Content-Type' => 'application/json')
+        request.body = {"url"=>root_url}.to_json
+        response = http_req.request(request)
+        self.update(:enable_notify=>true)
+      end
+    end
+  end
+  def remove_notify
+    if self.enable_notify
+      root_url = Site.first.root_url rescue ""
+      if root_url.present?
+        uri = URI(self.remote_site_url)
+        http_req = Net::HTTP.new(uri.host, uri.port)
+        if self.remote_site_url.include?('https')
+          http_req.use_ssl = true
+        end
+        http_req.open_timeout = 10
+        request = Net::HTTP::Post.new("/xhr/#{self.channel_key.pluralize}/feed_remove_remote/#{self.feed_uid}", 'Content-Type' => 'application/json')
+        request.body = {"url"=>root_url}.to_json
+        response = http_req.request(request)
+        self.update(:enable_notify=>false)
+      end
+    end
+  end
 end

app/models/site_feed_annc.rb

@@ -22,17 +22,15 @@ class SiteFeedAnnc
     Array(self[:all_contents_for_feed][I18n.locale.to_s]).select{|v| v['id']==annc_uid}[0] rescue {}
   end
   before_save do
+    unless @skip_callback
       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
+  def process_tmp(a, locale=nil, trans=nil, site_root_url=nil)
+    cat = self[:category_title]
+    locale = I18n.locale.to_s if locale.nil?
     if trans.nil?
       trans = {}
       locales.each do |locale|
@@ -45,11 +43,9 @@ class SiteFeedAnnc
         end
       end
     end
-    cache_data = {}
+    if site_root_url.nil?
       site_root_url = Site.first.root_url rescue ""
-    locales.each do |locale|
+    end
-      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"
@@ -97,6 +93,7 @@ class SiteFeedAnnc
       tmp["link_to_show"] = !tmp["external_link"].blank? ? tmp["external_link"] : nil
       tmp["target"] = (site_root_url.blank? || tmp["link_to_show"].blank?) ? '_blank' : (tmp["link_to_show"].include?(site_root_url) ? '_self' : '_blank')
       tmp["img_src"] = tmp["image"]["thumb"] || "/assets/announcement-default.jpg"
+      tmp["img_src"] = "/assets/announcement-default.jpg" if tmp["img_src"] == ""
       tmp["img_description"] = tmp["image_description_translations"][locale]
       tmp["more"] = trans[locale]['more_plus']
       tmp["view_count"] = ""
@@ -155,7 +152,33 @@ class SiteFeedAnnc
       end
       tmp = BSON::Document.new(new_tmp)
     end
-        tmp
+    return tmp
+  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|
+        locale = locale.to_s
+        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("feed.more")
+        end
+      end
+    end
+    cache_data = {}
+    site_root_url = Site.first.root_url rescue ""
+    locales.each do |locale|
+      locale = locale.to_s
+      data_for_locale = anns.collect do |a|
+        tmp = process_tmp(a, locale, trans, site_root_url)
       end
       cache_data[locale.to_s] = data_for_locale
     end

config/routes.rb

@@ -16,6 +16,7 @@ Rails.application.routes.draw do
         end
         SiteFeedAnnc.where(:feed_id.nin=>SiteFeed.all.pluck(:id)).destroy
         SiteFeed.each do |site_feed|
+          site_feed.add_notify
           count = SiteFeedAnnc.where(feed_id: site_feed.id).count
           if count>1
             SiteFeedAnnc.where(feed_id: site_feed.id).limit(count-1).destroy
@@ -61,5 +62,5 @@ Rails.application.routes.draw do
     post "/feeds/force_refresh", to: 'feeds#force_refresh'
    end
   end
-  
+  post "/xhr/feeds/notify_change" => "feeds#notify_change"
 end