Add admin sessions and events models

Author: experimatt

app/admin/events.rb

@@ -0,0 +1,50 @@
+ActiveAdmin.register Event do
+  permit_params :name, :date
+
+  config.filters = false
+
+  index do
+    column :id
+    column :name do |event|
+      link_to event.name, admin_event_path(event)
+    end
+    column("# of Sessions") do |event|
+      link_to event.sessions.count, admin_sessions_path(q: { event_id_eq: event.id })
+    end
+    column :date
+  end
+
+  show do
+    attributes_table do
+      row :name
+      row :date
+      row :timeslots
+      row "# of Rooms" do |event|
+        event.rooms.count
+      end
+      row "# of Sessions" do |event|
+        event.sessions.count
+      end
+      row :created_at
+      row :updated_at
+    end
+
+    panel "Sessions" do
+      table_for event.sessions.order(:timeslot_id) do
+        column :title do |session|
+          link_to session.title, admin_session_path(session)
+        end
+        column :presenters do |session|
+          session.presenters.map { |presenter| link_to presenter.name, admin_participants_path(presenter) }.join(", ").html_safe
+        end
+        column :timeslot do |session|
+          session.timeslot&.to_s
+        end
+        column :room do |session|
+          session.room&.name
+        end
+      end
+    end
+  end
+  
+end

app/admin/sessions.rb

@@ -0,0 +1,70 @@
+ActiveAdmin.register Session do
+
+  permit_params(
+    :participant_id,
+    :title,
+    :description,
+    :event_id,
+    :timeslot_id,
+    :room_id,
+    :summary,
+    :level_id,
+    :manually_scheduled,
+    :manual_attendance_estimate
+  )
+
+  filter :presenter
+  filter :title
+  filter :event
+
+  index do
+    column :id
+    column :title do |session|
+      link_to session.title, admin_session_path(session)
+    end
+    column("Presenters") do |session|
+      session.presenters.map do |presenter|
+        link_to presenter.name, admin_participants_path(presenter)
+      end.join(", ").html_safe
+    end
+    column("Event") do |session|
+      link_to session.event.name, admin_event_path(session.event)
+    end
+    column :timeslot
+    column :room
+  end
+
+  show  title: :title do
+    attributes_table do
+      row :event do |session|
+        link_to session.event.name, admin_event_path(session.event)
+      end 
+      row :title
+      row :participant
+      row :presenters
+      row :description
+      row :level
+      row :categories
+      row :timeslot
+      row :room
+      row :manually_scheduled
+      row :created_at
+      row :updated_at
+    end
+  end
+
+  form do |f|
+    f.inputs do
+      f.input :title
+      f.input :description
+      f.input :participant
+      f.input :presenters
+      f.input :level
+      f.input :categories
+      f.input :timeslot
+      f.input :room
+      f.input :manually_scheduled
+    end
+    f.actions
+  end
+end

app/models/event.rb

@@ -15,6 +15,14 @@ def self.current_event
     self.order(:date).last
   end
 
+  def self.ransackable_attributes(auth_object = nil)
+    ["date", "name"]
+  end
+
+  def self.ransackable_associations(auth_object = nil)
+    ["attendances", "participants", "presenter_timeslot_restrictions", "rooms", "sessions", "timeslots"]
+  end
+
   def current?
     if @current.nil?
       @current = self == Event.current_event