From a76e23c1097f5dded0e9d7aaaea02ecf5d185919 Mon Sep 17 00:00:00 2001
From: echarp <emmanuel.charpentier@free.fr>
Date: Sun, 29 Dec 2013 20:42:00 +0100
Subject: [PATCH] Flux rss en place

---
 app/controllers/events_controller.rb    | 33 +++++++++++----
 app/models/event.rb                     |  1 +
 app/views/events/index.html.haml        | 13 +++---
 app/views/events/index.rss.builder      | 54 +++++++++++++++++++++++++
 app/views/events/show.html.haml         |  5 +--
 app/views/layouts/application.html.haml |  2 +-
 config/initializers/mime_types.rb       |  2 +
 config/locales/fr.yml                   |  5 ++-
 8 files changed, 95 insertions(+), 20 deletions(-)
 create mode 100644 app/views/events/index.rss.builder

diff --git a/app/controllers/events_controller.rb b/app/controllers/events_controller.rb
index 5ff0bf4b..de009e5b 100644
--- a/app/controllers/events_controller.rb
+++ b/app/controllers/events_controller.rb
@@ -1,13 +1,30 @@
 class EventsController < InheritedResources::Base
   def index
-    if (params[:year] and !params[:month])
-      # Whole year calendar
-      @events = Event.year(params[:year] || Date.today.year)
-    else
-      @events = Event.month(params[:year] || Date.today.year, params[:month] || Date.today.month)
-    end
-    if (params[:region] && params[:region].present?)
-      @events = @events.region(params[:region])
+    respond_to do |format|
+      format.html {
+        if (params[:year] and !params[:month])
+          # Whole year calendar
+          @events = Event.year(params[:year] || Date.today.year)
+        else
+          @events = Event.month(params[:year] || Date.today.year, params[:month] || Date.today.month)
+        end
+        if (params[:region] && params[:region].present? && params[:region] != 'all')
+          @events = @events.region(params[:region])
+        end
+        if (params[:tag])
+          @events = @events.tag(params[:tag])
+        end
+      }
+
+      format.rss {
+        @events = Event.where('start_time >= now()').order(start_time: :asc).limit(25)
+        if (params[:region] && params[:region].present? && params[:region] != 'all')
+          @events = @events.region(params[:region])
+        end
+        if (params[:tag])
+          @events = @events.tag(params[:tag])
+        end
+      }
     end
   end
 
diff --git a/app/models/event.rb b/app/models/event.rb
index 07184c7a..a67bb94c 100644
--- a/app/models/event.rb
+++ b/app/models/event.rb
@@ -10,4 +10,5 @@ class Event < ActiveRecord::Base
     "#{year}-#{month.to_i-1}-1", "#{year}-#{month.to_i+2}-1"
   }
   scope :region, -> region { where region: region }
+  scope :tag, -> tag { where "tags like ?", "%#{tag}%" }
 end
diff --git a/app/views/events/index.html.haml b/app/views/events/index.html.haml
index 60915d8b..f2fbf29a 100644
--- a/app/views/events/index.html.haml
+++ b/app/views/events/index.html.haml
@@ -6,7 +6,7 @@
   = label_tag :region, Region.model_name.human
   = select_tag :region,
     options_from_collection_for_select(Region.all, 'id', 'name', params[:region]),
-    prompt: t('region_selector')
+    prompt: t('.all_regions')
 
 - if (params[:year] and !params[:month])
   -# Whole year calendar
@@ -20,22 +20,23 @@
     - params[:month] = i
 
     = calendar @events, { prev_text: '', next_text: '', start_day: :monday,
-      params: { region: params[:region] } } do |event|
+      params: { region: params[:region], tag: params[:tag] } } do |event|
       %ul.events
         %li.event
-          = link_to event.url do
+          = link_to event do
             %strong= event.city
             = event.title
 
 - else
   = calendar @events, { prev_text: '<<', next_text: '>>', start_day: :monday,
-    params: { region: params[:region] } } do |event|
+    params: { region: params[:region], tag: params[:tag] } } do |event|
     %ul.events
       %li.event
-        = link_to event.url do
+        = link_to event do
           %strong= event.city
           = event.title
 
 .formats
   =t '.calendar_in'
-  rss, iCal ou calendrier Google
+  = link_to 'rss', events_url(:rss)
+  , iCal ou calendrier Google
diff --git a/app/views/events/index.rss.builder b/app/views/events/index.rss.builder
new file mode 100644
index 00000000..28ff8ddc
--- /dev/null
+++ b/app/views/events/index.rss.builder
@@ -0,0 +1,54 @@
+xml.instruct!
+
+xml.tag! 'rdf:RDF', 'xmlns:rdf' => "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
+  'xmlns' => "http://purl.org/rss/1.0/", 'xmlns:dc' => "http://purl.org/dc/elements/1.1/",
+  'xmlns:sy' => "http://purl.org/rss/1.0/modules/syndication/",
+  'xmlns:admin' => "http://webns.net/mvcb/", 'xmlns:cc' => "http://web.resource.org/cc/",
+  'xmlns:content' => "http://purl.org/rss/1.0/modules/content/",
+  'xmlns:georss' => "http://www.georss.org/georss" do
+  xml.channel 'rdf:about' => root_url do
+    xml.title "Agenda du Libre [ #{params[:region].present? && params[:region] != 'all' ? Region.find(params[:region]).name : t('.all_regions')} ]"
+    xml.description 'Agenda des événements autour du Logiciel Libre'
+    xml.link 'http://www.agendadulibre.org'
+    xml.tag! 'dc:language', 'fr'
+    xml.tag! 'dc:creator', 'AgendaDuLibre.org'
+
+    xml.items do
+      xml.tag! 'rdf:Seq' do
+        for event in @events
+          xml.tag! 'rdf:li', 'rdf:resource' => event_url(event)
+        end
+      end
+    end
+  end
+
+  for event in @events
+    xml.item 'rdf:about' => event_url(event) do
+      xml.title "#{event.city}: #{event.title}, #{l event.start_time.to_date, format: :long}"
+      xml.link event_url event
+      xml.tag! 'dc:identifier', "#{event.id}@agendadulibre.org"
+      xml.tag! 'dc:date', event.start_time
+      xml.tag! 'georss:point', City.find_all_by_majname(event.city.upcase).collect { |c| "#{c.latitude} #{c.longitude}" }.first
+
+      content = "<h2><em>#{event.city}</em>: #{event.title}</h2>
+        <h3>Date et lieu</h3>
+        <p>#{l event.start_time.to_date, format: :long},
+          de #{event.start_time.hour}h#{event.start_time.min} à #{event.end_time.hour}h#{event.end_time.min}.</p>
+        <p>À <em><a href=\"http://fr.wikipedia.org/wiki/#{event.city}\">#{event.city}</a></em>,
+          <a href=\"http://fr.wikipedia.org/wiki/#{event.region.name}\">#{event.region.name}</a></p>
+        <h3>Description</h3>
+        #{event.description}
+        <h3>Informations</h3>
+        <p>Site Web: <a href=\"#{event.url}\">#{event.url}</a></p>
+        <p>Contact: #{mail_to event.contact.sub('@', ' CHEZ ').sub('.', ' POINT '), event.contact.sub('@', ' CHEZ ').sub('.', ' POINT ')}</p>
+      "
+
+      if (event.tags && event.tags.present?)
+        content += "<p>Tags: #{event.tags.split.collect { |tag| link_to tag, events_url(tag: tag) }.join(', ')}</p>"
+      end
+
+      xml.description strip_tags(content)
+      xml.tag! 'content:encoded', content
+    end
+  end
+end
diff --git a/app/views/events/show.html.haml b/app/views/events/show.html.haml
index d70bc1c3..b95f38c9 100644
--- a/app/views/events/show.html.haml
+++ b/app/views/events/show.html.haml
@@ -17,7 +17,7 @@
   = @event.city
 %p
   %b Region:
-  = @event.region
+  = @event.region.name
 %p
   %b Locality:
   = @event.locality
@@ -27,9 +27,6 @@
 %p
   %b Contact:
   = @event.contact
-%p
-  %b Contact:
-  = @event.contact
 %p
   %b Submitter:
   = @event.submitter
diff --git a/app/views/layouts/application.html.haml b/app/views/layouts/application.html.haml
index 969c4d4a..cd2bfcdb 100644
--- a/app/views/layouts/application.html.haml
+++ b/app/views/layouts/application.html.haml
@@ -59,7 +59,7 @@
     %footer.bottom
       %nav
         = link_to t('.propose'), new_event_path
-        = link_to t('.rss'), users_url
+        = link_to t('.rss'), events_url(:rss)
         = link_to t('.ical'), users_url
         = link_to t('.map'), users_url
         = link_to t('.tags'), users_url
diff --git a/config/initializers/mime_types.rb b/config/initializers/mime_types.rb
index 72aca7e4..6139ff10 100644
--- a/config/initializers/mime_types.rb
+++ b/config/initializers/mime_types.rb
@@ -3,3 +3,5 @@
 # Add new mime types for use in respond_to blocks:
 # Mime::Type.register "text/richtext", :rtf
 # Mime::Type.register_alias "text/html", :iphone
+
+Mime::Type.register "text/xml", :rss
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index 71daeb14..2d37666a 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -2,7 +2,7 @@ fr:
   show: Voir
   edit: Éditer
   destroy: Supprimer
-  region_selector: Toutes les régions
+
 
   attributes:
     id: ID
@@ -52,6 +52,8 @@ fr:
       - Jeudi
       - Vendredi
       - Samedi
+    formats:
+      long: "le %A %d %B %Y"
 
   layouts:
     application:
@@ -70,3 +72,4 @@ fr:
   events:
     index:
       calendar_in: Ce calendrier en
+      all_regions: Toutes les régions