diff --git a/app/models/certificate.rb b/app/models/certificate.rb
index a6c6319..62cb0db 100644
--- a/app/models/certificate.rb
+++ b/app/models/certificate.rb
@@ -1,80 +1,76 @@
 class Certificate
-	include Mongoid::Document
-	include Mongoid::Timestamps
-	include OrbitModel::Status
-	include MemberHelper
-	include Slug
+  include Mongoid::Document
+  include Mongoid::Timestamps
+  include OrbitModel::Status
+  include MemberHelper
+  include Slug
 
-	field :issued_by
-	field :title, as: :slug_title, type: String, localize: true
+  field :issued_by
+  field :title, as: :slug_title, type: String, localize: true
 
-	belongs_to :member_profile
+  belongs_to :member_profile
 
-	index({title: 1, _id: -1}, { unique: false, background: false })
-	scope :sort_title, ->{ order_by(:title => "asc", :id=>"desc") }
-	scope :sort_for_frontend, ->{ where(:is_hidden=>false).order_by(:title =>'asc',:id =>'desc') }
+  index({title: 1, _id: -1}, { unique: false, background: false })
+  scope :sort_title, ->{ order_by(:title => "asc", :id=>"desc") }
+  scope :sort_for_frontend, ->{ where(:is_hidden=>false).order_by(:title =>'asc',:id =>'desc') }
 
-	def self.get_plugin_datas_to_member(datas)
-		page = Page.where(:module => "personal_certificate").first rescue nil
+  def self.get_plugin_datas_to_member(datas)
+    page = Page.where(:module => "personal_certificate").first rescue nil
 
-		if !page.nil? && !page.custom_array_field.blank?
-			fields_to_show = page.custom_array_field
-		else
-		    fields_to_show = [
-		      "title",
-		      "issued_by"
-		    ]
-		end
+    if !page.nil? && !page.custom_array_field.blank?
+      fields_to_show = page.custom_array_field
+    else
+      fields_to_show = [
+        "title",
+        "issued_by"
+      ]
+    end
 
-	    fields_to_remove = []
+    fields_to_remove = []
 
-    	pd_title = []
+    pd_title = []
 
-	    fields_to_show.each do |t|
-	      if (self.fields[t].type.to_s == "String" || self.fields[t].type.to_s == "Object" rescue false)
-	        fields_to_remove << t if (datas.where(t.to_sym.ne => nil, t.to_sym.ne => "").count == 0 rescue false)
-	      else
-	        fields_to_remove << t if (datas.where(t.to_sym.ne => nil).count == 0 rescue false)
-	      end
-	      pd_title <<  {
-	          "plugin_data_title" => I18n.t("personal_certificate.#{t}")
-	        } if !fields_to_remove.include?(t)
-	    end
+    fields_to_show.each do |t|
+      if (self.fields[t].type.to_s == "String" || self.fields[t].type.to_s == "Object" rescue false)
+        fields_to_remove << t if (datas.where(t.to_sym.ne => nil, t.to_sym.ne => "").count == 0 rescue false)
+      else
+        fields_to_remove << t if (datas.where(t.to_sym.ne => nil).count == 0 rescue false)
+      end
+      pd_title <<  {
+          "plugin_data_title" => I18n.t("personal_certificate.#{t}")
+        } if !fields_to_remove.include?(t)
+    end
 
-	    fields_to_show = fields_to_show - fields_to_remove
+    fields_to_show = fields_to_show - fields_to_remove
 
-	    plugin_datas = datas.sort_for_frontend.collect.with_index do |p,index|
+    plugin_datas = datas.sort_for_frontend.collect.with_index do |p,index|
+      pd_data = []
+      fields_to_show.collect do |t|
+        if t == "title"
+          link = OrbitHelper.url_to_plugin_show(p.to_param,'personal_certificate')
+          url_to_plugin_show_blank = OrbitHelper.instance_variable_get(:@url_to_plugin_show_blank)
+          tmp_title = p.title
+          pd_data << { "data_title" => (url_to_plugin_show_blank ? tmp_title : "<a title=\"#{tmp_title}\" href=\"#{link}\" target=\"_blank\">#{tmp_title}") }
+        else
+          pd_data << { "data_title" => p.send(t) }
+        end
+      end
+      {
+        "pd_datas" => pd_data
+      }
+    end
+    return [pd_title,plugin_datas]
+  end
 
-	      pd_data = []
-	      fields_to_show.collect do |t|
-	        if t == "title"
-	          link = OrbitHelper.url_to_plugin_show(p.to_param,'personal_certificate')
-	          url_to_plugin_show_blank = OrbitHelper.instance_variable_get(:@url_to_plugin_show_blank)
-	          tmp_title = p.title
-	          pd_data << { "data_title" => (url_to_plugin_show_blank ? tmp_title : "<a title=\"#{tmp_title}\" href=\"#{link}\" target=\"_blank\">#{tmp_title}") }
-	        else
-	          pd_data << { "data_title" => p.send(t) }
-	        end
-	      end
-
-	      {
-	        "pd_datas" => pd_data
-	      }
-
-	    end
-	    return [pd_title,plugin_datas]
-	    
-	end
-
-	def get_plugin_data(fields_to_show)
-	    plugin_datas = []
-	    fields_to_show.each do |field|
-	      plugin_data = self.get_plugin_field_data(field) rescue nil
-	      next if plugin_data.blank? or plugin_data['value'].blank?
-	      plugin_datas << plugin_data
-	    end
-	    plugin_datas
-	end
+  def get_plugin_data(fields_to_show)
+    plugin_datas = []
+    fields_to_show.each do |field|
+      plugin_data = self.get_plugin_field_data(field) rescue nil
+      next if plugin_data.blank? or plugin_data['value'].blank?
+      plugin_datas << plugin_data
+    end
+    plugin_datas
+  end
 
   def get_plugin_field_data(field)
     value = self.send(field) rescue ""