download csv file

app/assets/javascripts/application.js

@@ -14,12 +14,13 @@
 //= require_tree .
 //= require jquery-3.2.1.min.js
 //= require bootstrap.min.js
-//= require bootstrap.min.js
 //= require bootstrap-datetimepicker.min.js
 
 $(document).ready(function(){
+  // this function to hide message after 5s
   $('.message').delay(5000).fadeOut('slow');
 
+  // this function to select date
   $('.form_date').datetimepicker({
     language:  'en',
     weekStart: 1,
@@ -30,4 +31,10 @@ $(document).ready(function(){
     minView: 2,
     forceParse: 0
   });
+
+  // set min-height css for content
+  windowHeight = $(document).height();
+  menuHeight = $('.navbar').height();
+  footHeight = $('.footer').height();
+  $('.content').css("min-height", windowHeight - (menuHeight + footHeight))
 });

app/assets/stylesheets/application.scss

 @import "bootstrap-theme.min.css";
 @import "bootstrap.min.css";
-@import "font-awesome.css";
+@import "stylesheets/font-awesome.css";
 @import "bootstrap-datetimepicker.min.css";
 
 

app/controllers/admins/applies_controller.rb

+require 'rsolr'
+require "csv"
+
 class Admins::AppliesController < ApplicationController
   def index
     @cities = City.pluck(:id, :name)
+    if params[:commit]
+      # get condition here
+      condition = get_condition
+      # get applications from query
+      response = query(condition)
+      job_id = response["response"]["docs"].pluck("id")
+
+      @applications = ApplyJob.where(job_id: job_id).includes(:job, :user)
+      if params[:commit].eql? 'Down csv'
+        flash[:notice] = 'Down csv'
+        down_csv(@applications)
+      end
+    else
+      # get applications
       @applications = ApplyJob.includes(:job, :user)
     end
+    puts params[:commit]
+  end
+
+  def down_csv(applications)
+
+    # handle data
+    data_csv = []
+    applications.each do |application|
+      candidate = {}
+      candidate[:job] = application.job.name
+      candidate[:name] = application.name
+      candidate[:email] = application.email
+      candidate[:cv] = application.cv
+      candidate[:applied_at] = application.created_at
+      data_csv << candidate
+    end
+
+    # create new csv file
+    CSV.open("file.csv", "wb") do |csv|
+      # write header
+      csv << data_csv.first.keys
+      # write values
+      data_csv.each_with_index do |data, i|
+        csv << data.values
+      end
+    end
+
+    # down file.csv into local
+    send_file "#{Rails.root}/file.csv", type: 'application/csv'
+  end
+
+  private
+  def connect
+    url = 'http://localhost:8983/solr/my_solr_collection'
+    @solr = RSolr.connect url: url
+  end
+
+  def query(condition)
+    # Direct connection
+    connect
+    # use get method to query
+    response = @solr.get 'select', :params => condition
+    response
+  end
+
+  def get_condition
+    condition = {}
+    filter_query = []
+    date_from = '*'
+    date_to = 'NOW'
+
+    # get condition
+    condition[:q] = "email:[* TO *]"
+    filter_query << "email:\"#{params[:email]}\"" if params[:email]
+    filter_query <<  "city_name:\"#{params[:city]}\"" unless params[:city].blank?
+    filter_query << "industry:\"#{params[:industry]}\"" unless params[:industry].blank?
+
+    # generate condition from params[:date]
+    date_from = "#{params[:dtp_input1]}T00:00:00Z" unless params[:dtp_input1].blank?
+    date_to = "#{params[:dtp_input2]}T00:00:00Z" unless params[:dtp_input2].blank?
+    filter_query << "applied_at:[#{date_from} TO #{date_to}]"
+
+    condition[:fq] = filter_query
+    condition
+  end
 end

app/views/layouts/_menu.html.erb

@@ -15,6 +15,12 @@
           <i class="fa fa-sign-out" aria-hidden="true"></i>Logout
         <% end %>
       </li>
+      <%- elsif current_admin -%>
+        <li>
+          <%= link_to destroy_admin_session_path, method: :delete do %>
+            <i class="fa fa-sign-out" aria-hidden="true"></i>Logout
+          <% end %>
+        </li>
       <%- else -%>
       <li>
         <%= link_to register_path(step: 1) do %>

app/views/layouts/application.html.erb

@@ -11,7 +11,9 @@
 <body>
   <%= render "layouts/menu" %>
   <%= render "layouts/flash" %>
+  <div class="content">
     <%= yield %>
+  </div>
   <%= render "layouts/footer" %>
 </body>
 </html>