Keep condition search

app/controllers/admins_controller.rb

@@ -3,8 +3,13 @@ class AdminsController < ApplicationController
     @cities = City.all.map { |c| [c.name, c.id] }
     @categories = Category.all.map { |c| [c.name, c.id] }
 
+    @email = params[:email] if params[:email].present?
+    @city_id = params[:city_id] if params[:city_id].present?
+    @category_id = params[:category_id] if params[:category_id].present?
+
+    @from_date_default = Date.new(params[:from_date]['(1i)'].to_i, params[:from_date]['(2i)'].to_i, params[:from_date]['(3i)'].to_i)
+    @to_date_default = Date.new(params[:to_date]['(1i)'].to_i, params[:to_date]['(2i)'].to_i, params[:to_date]['(3i)'].to_i)
+
     @applied_jobs = Apply.all.page params[:page]
-    #
-    # redirect_to admins_applies_path
   end
 end

app/views/admins/search.html.erb

@@ -4,21 +4,21 @@
   <%= form_tag admins_search_path do %>
     <div class="form_group">
       <label>Email:</label><br />
-      <%= text_field_tag 'email', '', class: 'form-control' %>
+      <%= text_field_tag 'email', @email, class: 'form-control' %>
     </div>
     <div class="form-group">
       <label>City:</label><br />
-      <%= select_tag(:city_id, options_for_select(@cities), include_blank: "Select city", class: 'form-control') %>
+      <%= select_tag(:city_id, options_for_select(@cities, @city_id), include_blank: "Select city", class: 'form-control') %>
     </div>
     <div class="form-group">
       <label>Industry:</label><br />
-      <%= select_tag(:category_id, options_for_select(@categories), include_blank: "Select industry", class: 'form-control') %>
+      <%= select_tag(:category_id, options_for_select(@categories, @category_id), include_blank: "Select industry", class: 'form-control') %>
     </div>
     <div class="form-group">
      <label>Date:</label><br />
-     <%= date_select('from_date', 'from_date', order: [:day, :month, :year], class: 'form-control') %>
+     <%= date_select('from_date', '', default: @from_date_default, class: 'form-control') %>
      <label>〜</label>
-     <%= date_select('to_date', 'to_date', order: [:day, :month, :year], class: 'form-control') %>
+     <%= date_select('to_date', '', default: @to_date_default, class: 'form-control') %>
    </div>
    <div class="form-group">
       <%= submit_tag 'Search', class: 'btn btn-primary' %>