Execute task and getting output from rake

back-office/Gemfile

@@ -1,4 +1,5 @@
 source 'https://rubygems.org'
+source 'http://gems.github.com'
 
 
 gem 'rails_admin'

back-office/app/controllers/items_controller.rb

@@ -48,13 +48,34 @@ class ItemsController < ApplicationController
     @error_message = ""
     @error_message = "Format of CSV is wrong (CSV content is empty)" if params[:csv_content] == ""
 
-    csv_file = ItemsHelper::create_csv(CSV.parse(params[:csv_content]))
+    csv_parsed = CSV.parse(params[:csv_content])
+    csv_file = ItemsHelper::create_csv(csv_parsed)
+
+    @output = ""
+
     begin
-      
+      ENV["INPUT"] = csv_file.path
+
+      case params[:task]
+      when 'validate_items'
+        @output = ItemsHelper::execute_command("rake ribica:validate_items")
+        #ItemsHelper::execute_command("rake ribica:reindex")
+      when 'import_items'
+        @output = ItemsHelper::execute_command("rake ribica:import_items")
+        #ItemsHelper::execute_command("rake ribica:reindex")
+      when 'update_prices'
+        @output = ItemsHelper::execute_command("rake ribica:update_prices")
+        #ItemsHelper::execute_command("rake ribica:reindex")
+      else
+        @error_message = "There is no such task"
+      end
     ensure
+      sleep 5
       csv_file.unlink
     end
 
+    @output = @output.join("<br/>")
+
     render :template => "items/export_import"
   end
 end

back-office/app/helpers/items_helper.rb

@@ -10,4 +10,18 @@ module ItemsHelper
     file.close
     file
   end
+
+  def self.execute_command(command)
+    buffer = []
+    Open3.popen3(command) do |stdin, stdout, stderr|
+      begin
+        while line = stdout.readline
+          buffer << line
+        end
+      rescue
+      end
+    end
+
+    buffer
+  end
 end

back-office/app/models/item.rb

@@ -124,12 +124,13 @@ class Item < ActiveRecord::Base
       end
     end
     puts "Nonexistent codes: "
-    puts nonexistent_codes.join("\n")
+    puts "#{nonexistent_codes.join("\n")}"
   end
 
   def we_must_earn_money
     if list_price.to_f <= current_input_price.to_f
       errors[:list_price] << "#{code} Ulazna cijena veca od izlazne"
+      puts "#{code} Ulazna cijena veca od izlazne"
     end
   end
 

back-office/app/views/items/export_import.html.erb

@@ -2,7 +2,7 @@
   <p><label for="codes">
     CSV content goes here:
   </label><br />
-  <%= text_area_tag "csv_content", @csv_content, rows: 20, cols: 70 %></p>
+  <textarea id="csv_content" name="csv_content" rows=20 style="width: 100%"><%= @csv_content %></textarea></p>
 
   <p><label for="task">Task: </label>
   <%= select_tag "task", options_for_select(@tasks) %></p>
@@ -15,5 +15,5 @@
 
   <br />
   <p><label for="output_area">Output area: </label>
-  <div id="output_area" style="width: 36.4em;height: 14em;outline: 1px solid #A9A9A9;"></div>
+  <div id="output_area" style="width: 100%;height: 14em;outline: 1px solid #A9A9A9; overflow: scroll"><%= @output.html_safe %></div>
 <% end %>

back-office/lib/tasks/ribica.rake

@@ -223,6 +223,7 @@ def import_single_item(row, index, logger)
       success = true
     rescue Exception => e
       logger.error "Could not import item on row number #{index} (#{row[lookup[:name_on_ribica]]}), reason: #{e}"
+      puts "Could not import item on row number #{index} (#{row[lookup[:name_on_ribica]]}), reason: #{e}"
       success = false
     end
 
@@ -281,8 +282,10 @@ def do_import(validate_only)
     end
   rescue Exception => e
     puts "Import failed, please check the import log file for error details."
+    puts "Error while importing: #{e}"
     logger.error "Error while importing: #{e}"
   end
+  puts "Import done"
   logger.info "Import done"
 end