lib: Introduce the PlainExporter

This class exports things into plain text. It follows a close format to
that of the one for UOC, but without any formatting.

Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>

2 files changed, 7 insertions, 0 deletions

diff --git a/app/controllers/exports_controller.rb b/app/controllers/exports_controller.rb
index 4303ea6..812cf39 100644
--- a/app/controllers/exports_controller.rb
+++ b/app/controllers/exports_controller.rb
@@ -8,6 +8,12 @@ class ExportsController < ApplicationController
     respond_to do |format|
       format.csv { set_file_name!(ext: 'csv') }
       format.uoc { set_file_name!(ext: 'tex') }
+      format.text do
+        send_data PlainExporter.new(things: @results).export,
+                  type:        'text/plain',
+                  disposition: 'attachment',
+                  filename:    "#{@search.name}.txt"
+      end
     end
   end
 
diff --git a/app/views/exports/new.html.erb b/app/views/exports/new.html.erb
index 631da20..fa52360 100644
--- a/app/views/exports/new.html.erb
+++ b/app/views/exports/new.html.erb
@@ -11,6 +11,7 @@
             <select id="export-select-format" data-action="export#change">
                 <option selected="selected" value="csv">CSV</option>
                 <option value="uoc">UOC</option>
+                <option value="txt">Plain text</option>
             </select>
 
             <a id="export-format-button" class="button" href="#"><%= I18n.t('searches.export.action').capitalize %></a>