diff --git a/app/controllers/personal_projects_controller.rb b/app/controllers/personal_projects_controller.rb
index df64c36..d574afd 100644
--- a/app/controllers/personal_projects_controller.rb
+++ b/app/controllers/personal_projects_controller.rb
@@ -2,157 +2,158 @@ class PersonalProjectsController < ApplicationController
   def index
     params = OrbitHelper.params
     page_data_count = OrbitHelper.page_data_count
-    projects = Project.where(:project_title.ne => nil,:project_title.ne => "").sort_for_frontend.page(OrbitHelper.params[:page_no]).per(page_data_count)
-    fields_to_show = Page.where(:page_id => params[:page_id]).first.custom_array_field rescue []
+    projects = Project.where(:project_title.ne => nil, :project_title.ne => '').sort_for_frontend.page(OrbitHelper.params[:page_no]).per(page_data_count)
+    fields_to_show = Page.where(page_id: params[:page_id]).first.custom_array_field rescue []
     if fields_to_show.blank?
-      fields_to_show = [
-        "project_type",
-        "year",
-        "project_title",
-        "participator",
-        "job_title",
-        "period",
-        "unit"
+      fields_to_show = %w[
+        project_type
+        year
+        project_title
+        participator
+        job_title
+        period
+        unit
       ]
     end
-    if params[:selectbox] !=nil
-      projects_temp = Project.where(:is_hidden=>false).sort_by{ |tp| [-tp[:year].to_i,-tp[:publication_date].to_i] }
+    if !params[:selectbox].nil?
+      projects_temp = Project.where(is_hidden: false).sort_by { |tp| [-tp[:year].to_i, -tp[:publication_date].to_i] }
       case params[:selectbox]
-      when "project_type"
-          projects_show = projects_temp.select {|value| search_all_words((value.send("project_type").title rescue ""), params[:keywords])}
-      when "project_title","default"
-          projects_show = projects_temp.select {|value| search_all_words(value.send("project_title").to_s, params[:keywords])}
-      when "period"
-          projects_show = projects_temp.select {|value| search_all_words(value.send("duration").to_s, params[:keywords])}
-      when "language"
-          projects_show = projects_temp.select {|value| search_all_words(t(value.send("language")), params[:keywords])}
+      when 'project_type'
+        projects_show = projects_temp.select { |value| search_all_words((value.send('project_type').title rescue ''), params[:keywords]) }
+      when 'project_title', 'default'
+        projects_show = projects_temp.select { |value| search_all_words(value.send('project_title').to_s, params[:keywords]) }
+      when 'period'
+        projects_show = projects_temp.select { |value| search_all_words(value.send('duration').to_s, params[:keywords]) }
+      when 'language'
+        projects_show = projects_temp.select { |value| search_all_words(t(value.send('language')), params[:keywords]) }
       else
-          projects_show = projects_temp.select {|value| search_all_words(value.send(params[:selectbox]).to_s, params[:keywords])}
+        projects_show = projects_temp.select { |value| search_all_words(value.send(params[:selectbox]).to_s, params[:keywords]) }
       end
-      if params[:page_no].nil?
-          page_to_show = 1
-      else
-          page_to_show = params[:page_no].to_i
-      end
-      projects = projects_show[(page_to_show-1)*page_data_count...page_to_show*page_data_count]
-      projects_total_pages = (projects_show.length/page_data_count.to_f).ceil
+      page_to_show = if params[:page_no].nil?
+                       1
+                     else
+                       params[:page_no].to_i
+                     end
+      projects = projects_show[(page_to_show - 1) * page_data_count...page_to_show * page_data_count]
+      projects_total_pages = (projects_show.length / page_data_count.to_f).ceil
     else
       projects_total_pages = projects.total_pages
     end
     project_list = []
     projects.each do |project|
-       t = []
+      t = []
       fields_to_show.each do |fs|
         case fs
-        when "project_type"
-          t << {"value" => (project.send(fs).title rescue "")}
-        when "project_title"
-          t << {"value" => "<a href='#{OrbitHelper.url_to_show(project.to_param)}'>" + (project.send(fs) rescue "") + "</a>"}
-        when "period"
-          t << {"value" => (project.send("duration") rescue "")}
-        when "language"
-          t << {"value" => (t(project.send("language")) rescue "")}
+        when 'project_type'
+          t << { 'value' => (project.send(fs).title rescue '') }
+        when 'project_title'
+          t << { 'value' => "<a href='#{OrbitHelper.url_to_show(project.to_param)}'>" + (project.send(fs) rescue '') + '</a>' }
+        when 'period'
+          t << { 'value' => (project.send('duration') rescue '') }
+        when 'language'
+          t << { 'value' => (t(project.send('language')) rescue '') }
         else
-          t << {"value" => (project.send(fs) rescue "")}
+          t << { 'value' => (project.send(fs) rescue '') }
         end
       end
-      project_list << {"project" => t}
+      project_list << { 'project' => t }
     end
     choice_show = []
     headers = []
     fields_to_show.each do |fs|
       col = 2
-      col = 3 if fs == "project_title"
+      col = 3 if fs == 'project_title'
       headers << {
-        "head-title" => t("personal_project.#{fs}"),
-        "col" => col
+        'head-title' => t("personal_project.#{fs}"),
+        'col' => col
       }
       choice_show << t("personal_project.#{fs}")
     end
     choice_value = fields_to_show
-    choice_value.unshift("default")
-    choice_select=choice_value.map{|iter| iter==params[:selectbox] ? "selected" : ""}
-    choice_select=choice_select.map{|value| {"choice_select" => value}}
-    choice_value=choice_value.map{|value| {"choice_value" => value}}
-    choice_default = t("personal_project.select_class")
+    choice_value.unshift('default')
+    choice_select = choice_value.map { |iter| iter == params[:selectbox] ? 'selected' : '' }
+    choice_select = choice_select.map { |value| { 'choice_select' => value } }
+    choice_value = choice_value.map { |value| { 'choice_value' => value } }
+    choice_default = t('personal_project.select_class')
     choice_show.unshift(choice_default)
-    choice_show=choice_show.map{|value| {"choice_show" => value}}
-    choice=choice_value.zip(choice_show,choice_select)
-    choice=choice.map{|value| value.inject:merge}
-    select_text = t("personal_project.search_class")
-    search_text = t("personal_project.word_to_search")
+    choice_show = choice_show.map { |value| { 'choice_show' => value } }
+    choice = choice_value.zip(choice_show, choice_select)
+    choice = choice.map { |value| value.inject :merge }
+    select_text = t('personal_project.search_class')
+    search_text = t('personal_project.word_to_search')
     {
-      "projects" => project_list,
-      "headers" => headers,
-      "extras" => {"widget-title" => t("module_name.personal_project"), 
-                    "url" => "/"+params[:locale]+params[:url], 
-                    "select_text" => select_text, 
-                    "search_text" => search_text,
-                    "search_value" => params[:keywords] },
-      "total_pages" => projects_total_pages,
-      "choice" => choice
+      'projects' => project_list,
+      'headers' => headers,
+      'extras' => { 'widget-title' => t('module_name.personal_project'),
+                    'url' => '/' + params[:locale] + params[:url],
+                    'select_text' => select_text,
+                    'search_text' => search_text,
+                    'search_value' => params[:keywords] },
+      'total_pages' => projects_total_pages,
+      'choice' => choice
     }
   end
 
   def show
     params = OrbitHelper.params
-    plugin = Project.where(:is_hidden=>false).find_by(uid: params[:uid])
-    fields_to_show = [
-      "year",
-      "project_type",
-      "project_title",
-      "participator",
-      "job_title",
-      "period",
-      "unit",
-      "abstract",
-      "url",
-      "file",
-      "language",
+    plugin = Project.where(is_hidden: false).find_by(uid: params[:uid])
+    fields_to_show = %w[
+      year
+      project_type
+      project_title
+      participator
+      job_title
+      period
+      unit
+      abstract
+      url
+      file
+      language
     ]
 
-    {"plugin_datas"=>plugin.get_plugin_data(fields_to_show)}
+    { 'plugin_datas' => plugin.get_plugin_data(fields_to_show) }
   end
 
   def get_fields_for_index
     @page = Page.find(params[:page_id]) rescue nil
-    @fields_to_show = [
-      "year",
-      "project_type",
-      "project_title",
-      "participator",
-      "job_title",
-      "period",
-      "unit",
-      "abstract",
-      "url",
-      "file",
-      "language",
+    @fields_to_show = %w[
+      year
+      project_type
+      project_title
+      participator
+      job_title
+      period
+      unit
+      abstract
+      url
+      file
+      language
     ]
-    @fields_to_show = @fields_to_show.map{|fs| [t("personal_project.#{fs}"), fs]}
-    @default_fields_to_show = [
-      "project_type",
-      "year",
-      "project_title",
-      "participator",
-      "job_title",
-      "period",
-      "unit"
+    @fields_to_show = @fields_to_show.map { |fs| [t("personal_project.#{fs}"), fs] }
+    @default_fields_to_show = %w[
+      project_type
+      year
+      project_title
+      participator
+      job_title
+      period
+      unit
     ]
-    render :layout => false
+    render layout: false
   end
 
   def save_index_fields
     page = Page.find(params[:page_id]) rescue nil
     page.custom_array_field = params[:keys]
     page.save
-    render :json => {"success" => true}.to_json
+    render json: { 'success' => true }.to_json
   end
-private
-  def search_all_words(target,word)
-    target=target.upcase
-    words=word.upcase.split(' ')
-    return words.select{|value| target.include? value}==words
-  end
-end
 
+  private
+
+  def search_all_words(target, word)
+    target = target.upcase
+    words = word.upcase.split(' ')
+    words.select { |value| target.include? value } == words
+  end
+end
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