From 4720bd703554b94b122fa086204bd871ed39916e Mon Sep 17 00:00:00 2001
From: Harry Bomrah <harry@rulingcom.com>
Date: Fri, 1 Sep 2017 16:04:20 +0800
Subject: [PATCH] added filter mechanism

---
 app/controllers/hps_learnings_controller.rb | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/app/controllers/hps_learnings_controller.rb b/app/controllers/hps_learnings_controller.rb
index d4520f4..acca9b0 100644
--- a/app/controllers/hps_learnings_controller.rb
+++ b/app/controllers/hps_learnings_controller.rb
@@ -1,8 +1,23 @@
 class HpsLearningsController < ApplicationController
   def index
+    params = OrbitHelper.params
     table_fields = ["hps_learning.course_pic", "hps_learning.title", :category, "hps_learning.runtime", "hps_learning.lectures"].collect{|x| {"head" => t(x.to_sym)}}
     classes = []
-    HpsClass.filter_by_categories.desc(:created_at).each do |hpsclass|
+    tags = !params['tags'].blank? ? params[:tags] : OrbitHelper.page_tags
+    
+    onlineclassess = HpsClass.filter_by_categories.filter_by_tags(tags)
+
+    if params[:keywords].present?
+      key_string = params[:keywords]
+      key_string = key_string.strip.nil? ? key_string : key_string.strip
+      keywords = key_string.split(/\s+(?=(?:[^"]*"[^"]*")*[^"]*$)/)
+      regex = Regexp.union(keywords.map{|word| Regexp.new(".*"+word+".*", "i")})
+      onlineclassess = onlineclassess.any_of({:title => regex})
+    end
+
+    onlineclassess = onlineclassess.desc(:created_at)
+
+    onlineclassess.each do |hpsclass|
       if hpsclass.hps_lectures.count > 0
         thumb = hpsclass.course_pic.thumb.url.nil? ? "http://www.placehold.it/150x150/EFEFEF/AAAAAA" : hpsclass.course_pic.thumb.url
         classes << {