ics

Gemfile

@@ -40,6 +40,7 @@ gem "hal_openscience", "~> 0"
 # gem "hal_openscience", path: "../hal_openscience"
 gem "has_scope", "~> 0"
 gem "hash_dot"
+gem "icalendar"
 gem "i18n_data", "~> 0"
 gem "i18n_date_range"
 # gem "i18n_date_range", path: "../../noesya/i18n_date_range"

Gemfile.lock

@@ -302,6 +302,9 @@ GEM
     i18n_date_range (2.0.0)
       rails
       rails-i18n
+    icalendar (2.10.1)
+      ice_cube (~> 0.16)
+    ice_cube (0.16.4)
     image_processing (1.12.2)
       mini_magick (>= 4.9.5, < 5)
       ruby-vips (>= 2.0.17, < 3)
@@ -661,6 +664,7 @@ DEPENDENCIES
   hash_dot
   i18n_data (~> 0)
   i18n_date_range
+  icalendar
   image_processing
   jbuilder
   jquery-rails

app/models/communication/website/agenda/event.rb

@@ -148,12 +148,49 @@ class Communication::Website::Agenda::Event < ApplicationRecord
     "#{Static.remove_trailing_slash website.url}#{Static.clean_path current_permalink_in_website(website).path}"
   end
 
+  def to_ics
+    event = Icalendar::Event.new
+    event.dtstart = from_datetime
+    event.dtend  = to_datetime if to_datetime.present?
+    event.summary = "#{title} #{subtitle}"
+    event.description = "#{summary}\n\n#{url}"
+    calendar = Icalendar::Calendar.new
+    calendar.prodid = 'icalendar-osuny'
+    calendar.add_event(event)
+    calendar.to_ical
+  end
+
   def to_s
     "#{title}"
   end
 
   protected
 
+  def from_datetime
+    from_hour.nil?  ? from_day
+                    : date_and_time(from_day, from_hour)
+  end
+
+  def to_datetime
+    if to_day.nil? && to_hour.nil?
+      # Pas de fin
+      nil
+    elsif to_day.nil? && to_hour.present?
+      # Heure de fin, donc on se base sur le jour de début
+      date_and_time(from_day, to_hour)
+    elsif to_day.present? && to_hour.nil?
+      # Jour de fin seul
+      to_day
+    elsif to_day.present? && to_hour.nil?
+      # Jour et heure de fin
+      date_and_time(to_day, to_hour)
+    end
+  end
+
+  def date_and_time(date, time)
+    DateTime.new(date.year, date.month, date.day, time.hour, time.min, time.sec, time.zone)
+  end
+
   def check_accessibility
     accessibility_merge_array blocks
   end

app/views/admin/communication/websites/agenda/events/_dates_static.html.erb

@@ -24,4 +24,7 @@ indentation = '  ' * depth
 <%= indentation %>    day: <%= event.to_day || event.from_day %>
 <% if event.to_hour %>
 <%= indentation %>    hour: <%= event.to_hour.strftime "%H:%M" %>
-<% end %>
\ No newline at end of file
+<% end %>
+<%= indentation %>  files:
+<%= indentation %>    ics: >-
+<%= indentation %>      <%= prepare_text_for_static event.to_ics, depth + 3 %>
\ No newline at end of file