Track Schedule and EventSchedule

app/helpers/application_helper.rb

@@ -413,12 +413,6 @@ module ApplicationHelper
       when 'new' then 'resubmitted'
       end
 
-    when version.changeset['start_time'] && version.changeset['start_time'][0].nil?
-      'scheduled'
-
-    when version.changeset['start_time'] && version.changeset['start_time'][1].nil?
-      'unscheduled'
-
     else
       "updated #{updated_attributes(version)} of"
     end
@@ -494,6 +488,14 @@ module ApplicationHelper
     end
   end
 
+  def event_schedule_change_description(version)
+    case version.event
+    when 'create' then 'scheduled'
+    when 'update' then 'rescheduled'
+    when 'destroy' then 'unscheduled'
+    end
+  end
+
   def general_change_description(version)
     if version.event == 'create'
       'created new'

app/models/event_schedule.rb

@@ -3,6 +3,8 @@ class EventSchedule < ActiveRecord::Base
   belongs_to :event
   belongs_to :room
 
+  has_paper_trail ignore: [:updated_at], meta: { conference_id: :conference_id }
+
   validates :schedule, presence: true
   validates :event, presence: true
   validates :room, presence: true
@@ -28,4 +30,10 @@ class EventSchedule < ActiveRecord::Base
   def intersecting_events
     room.event_schedules.where(start_time: start_time, schedule: schedule).where.not(id: id)
   end
+
+  private
+
+  def conference_id
+    schedule.program.conference_id
+  end
 end

app/models/schedule.rb

@@ -2,4 +2,12 @@ class Schedule < ActiveRecord::Base
   belongs_to :program
   has_many :event_schedules, dependent: :destroy
   has_many :events, through: :event_schedules
+
+  has_paper_trail ignore: [:updated_at], meta: { conference_id: :conference_id }
+
+  private
+
+  def conference_id
+    program.conference_id
+  end
 end

app/views/admin/versions/_object_desc_and_link.html.haml

@@ -49,6 +49,23 @@
   - else
     = PaperTrail::Version.where(item_type: 'Target', item_id: version.item_id).last.reify.to_s
 
+- elsif version.item_type == 'EventSchedule'
+  - event_schedule = get_version_object(version)
+  event
+  =  link_to Event.find(event_schedule.event_id),
+           admin_conference_program_event_path(conference_id: Conference.find(version.conference_id).short_title, id: event_schedule.event_id)
+  in
+  =  link_to "Schedule #{event_schedule.schedule_id}",
+            admin_conference_schedules_path(conference_id: Conference.find(version.conference_id).short_title, id: event_schedule.schedule_id)
+
+- elsif version.item_type == 'Schedule'
+  - schedule = get_version_object(version)
+  - if version.item
+    =  link_to "Schedule #{event_schedule.schedule_id}",
+              admin_conference_schedules_path(conference_id: Conference.find(version.conference_id).short_title, id: event_schedule.schedule_id)
+  - else
+    = "Schedule #{event_schedule.schedule_id}"
+
 - elsif  version.item
   - case version.item_type
   - when 'Conference'

app/views/admin/versions/index.html.haml

@@ -41,6 +41,9 @@
             - when 'User'
               = user_change_description(version)
 
+            - when 'EventSchedule'
+              = event_schedule_change_description(version)
+
             - else
               = general_change_description(version)