mainelabs · Lucas-C · Feb 21, 2015 · scharrier · May 8, 2015
diff --git a/app/controllers/api/v1/places_controller.rb b/app/controllers/api/v1/places_controller.rb
@@ -1,6 +1,9 @@
 class Api::V1::PlacesController < Api::V1::BaseController
   def index
-    render json: Place.displayable
+    respond_to do |format|
+      format.json { render json: Place.displayable }
+      format.atom { @places_items = Place.displayable.order('updated_at DESC') }
+    end
   end
 
   def show

diff --git a/app/views/api/v1/places/index.atom.builder b/app/views/api/v1/places/index.atom.builder
@@ -0,0 +1,37 @@
+def place_to_html_description(place)
+    def format_entry(name, value)
+      i18n_name = I18n.t("simple_form.labels.place.#{name}")
+      displayed_value = (name == 'kind' ? I18n.t("kinds.codes.#{value}") : value)
+      "<b>#{i18n_name} :</b> #{displayed_value}"
+    end
+    text_entries = place.attributes
+        .slice('kind', 'street', 'zip_code', 'city', 'description', 'owner_name')
+        .reject { |k, v| v.nil? }
+        .map { |name, value| format_entry(name, value) }
+    twitname = place.twitter_name
+    twitter_entry = format_entry('twitter_name', "<a href='https://twitter.com/#{twitname}'>@#{twitname}</a>") unless !twitname
+    url_entry = format_entry('url', "<a href='#{place.url}'>#{place.url}</a>") unless !place.url
+    logo_img = "<img src='#{place.logo_url}' alt='#{place.name} logo'>" unless !place.logo_url
+    direct_link = "<a href='/#/place/#{place.id}'>#{I18n.t 'feed.link_to_map_marker'}</a>"
+    [
+      logo_img,
+      *text_entries,
+      url_entry,
+      twitter_entry,
+      direct_link,
+    ].compact.join '<br>'
+end
+
+atom_feed language: (I18n.locale == :fr ? 'fr-FR' : 'en-US') do |feed|
+  feed.title I18n.t 'feed.title'
+  feed.updated @places_items.first.updated_at unless @places_items.empty?
+  @places_items.each do |place_item|
+    feed.entry( place_item ) do |entry|
+      entry.title place_item.name
+      entry.content place_to_html_description(place_item), type: 'html'
+      entry.author do |author|
+        author.name place_item.owner_name
+      end
+    end
+  end
+end
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
@@ -35,6 +35,7 @@ places_count = Place.displayable.count
 
     <%= stylesheet_link_tag 'application' %>
     <%= csrf_meta_tags %>
+    <%= auto_discovery_link_tag :atom, "/feed" %>
   </head>
 
   <body>

diff --git a/config/locales/app.en.yml b/config/locales/app.en.yml
@@ -62,3 +62,6 @@ en:
         owner_email: Your email
       place_update:
         <<: *place
+  feed:
+    title: Last added places
+    link_to_map_marker: Link to map marker
diff --git a/config/locales/app.fr.yml b/config/locales/app.fr.yml
@@ -60,3 +60,6 @@ fr:
         owner_email: Votre adresse email
       place_update:
         <<: *place
+  feed:
+    title: Derniers lieux ajoutés
+    link_to_map_marker: Lien vers le marqueur sur la carte
diff --git a/config/routes.rb b/config/routes.rb
@@ -14,5 +14,6 @@
     end
   end
 
+  get '/feed', to: 'api/v1/places#index', defaults: { format: 'atom' }
   get '*path', to: 'places#index'
 end
diff --git a/spec/features/a_user_can_subscribe_to_the_place_feed_spec.rb b/spec/features/a_user_can_subscribe_to_the_place_feed_spec.rb
@@ -0,0 +1,32 @@
+require 'rails_helper'
+
+feature 'A user view the places Atom feed' do
+  scenario 'there is a link to the map marker in the feed item description' do
+    create(:place, :active)
+
+    visit '/feed'
+
+    expect(find(:xpath, '//feed/entry[1]/content').text).to include(t('feed.link_to_map_marker'))
+  end
+
+  scenario 'when several places exist, they have different "updated" times' do
+    create(:place, :active, updated_at: 3.days.ago)
+    create(:place, :active)
+
+    visit '/feed'
+
+    expect(find(:xpath, '//feed/entry[1]/updated').text).to_not eq(find(:xpath, '//feed/entry[2]/updated').text)
+  end
+
+  scenario 'when several places exist, they are ordered chronologically' do
+    create(:place, :active, name: 'Newest place')
+    create(:place, :active, name: 'Another place', updated_at: 3.days.ago)
+    create(:place, :active, name: 'Oldest place', updated_at: 3.months.ago)
+
+    visit '/feed'
+
+    expect(find(:xpath, '//feed/entry[1]/title').text).to eq('Newest place')
+    expect(find(:xpath, '//feed/entry[2]/title').text).to eq('Another place')
+    expect(find(:xpath, '//feed/entry[3]/title').text).to eq('Oldest place')
+  end
+end
diff --git a/spec/fixtures/csv/valid.csv b/spec/fixtures/csv/valid.csv
@@ -1,2 +1,2 @@
 name;kind;street;zip_code;city;url;latitude;longitude;twitter_name;logo_url;description;owner_name;owner_email
-Craftsmen;company;25 rue Lenepveu;49000;Angers;http://craftsmen.io;47.472041;-0.551269;craftsmenhq;;;;
+Craftsmen Angers;company;25 rue Lenepveu;49100;Angers;http://craftsmen.io;47.472041;-0.551269;craftsmenhq;https://pbs.twimg.com/profile_images/425256684244566016/N0wcdLyQ_400x400.jpeg;Webdesign studio;Sébastien Charrier;sebastien@craftsmen.io