change name to versions_helper

app/helpers/versions_helper.rb

@@ -0,0 +1,112 @@
+module VersionsHelper
+  ##
+  # Groups functions related to change description
+  ##
+  def link_if_alive(version, link_text, link_url)
+    version.item ? link_to(link_text, link_url) : link_text
+  end
+
+  def subscription_change_description(version)
+    user = current_or_last_object_state(version.item_type, version.item_id).user
+    user_name = user.name unless user.id.to_s == version.whodunnit
+    version.event == 'create' ? "subscribed #{user_name} to" : "unsubscribed #{user_name} from"
+  end
+
+  def registration_change_description(version)
+    if version.item_type == 'Registration'
+      user = current_or_last_object_state(version.item_type, version.item_id).user
+    elsif version.item_type == 'EventsRegistration'
+      registration_id = current_or_last_object_state(version.item_type, version.item_id).registration_id
+      user = current_or_last_object_state('Registration', registration_id).user
+    end
+
+    if user.id.to_s == version.whodunnit
+      case version.event
+      when 'create' then 'registered to'
+      when 'update' then "updated #{updated_attributes(version)} of the registration for"
+      when 'destroy' then 'unregistered  from'
+      end
+    else
+      case version.event
+      when 'create' then "registered #{user.name} to"
+      when 'update' then "updated #{updated_attributes(version)} of  #{user.name}'s registration for"
+      when 'destroy' then "unregistered #{user.name} from"
+      end
+    end
+  end
+
+  def comment_change_description(version)
+    user = current_or_last_object_state(version.item_type, version.item_id).user
+    if version.event == 'create'
+      version.previous.nil? ? 'commented on' : "re-added #{user.name}'s comment on"
+    else
+      "deleted #{user.name}'s comment on"
+    end
+  end
+
+  def vote_change_description(version)
+    user = current_or_last_object_state(version.item_type, version.item_id).user
+    if version.event == 'create'
+      version.previous.nil? ? 'voted on' : "re-added #{user.name}'s vote on"
+    elsif version.event == 'update'
+      "updated #{user.name}'s vote on"
+    else
+      "deleted #{user.name}'s vote on"
+    end
+  end
+
+  def general_change_description(version)
+    if version.event == 'create'
+      'created new'
+    elsif version.event == 'update'
+      "updated #{updated_attributes(version)} of"
+    else
+      'deleted'
+    end
+  end
+
+  def event_change_description(version)
+    case
+    when version.event == 'create' then 'submitted new'
+
+    when version.changeset['state']
+      case version.changeset['state'][1]
+      when 'unconfirmed' then 'accepted'
+      when 'withdrawn' then 'withdrew'
+      when 'canceled', 'rejected', 'confirmed' then version.changeset['state'][1]
+      when 'new' then 'resubmitted'
+      end
+
+    else
+      "updated #{updated_attributes(version)} of"
+    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 user_change_description(version)
+    if version.event == 'create'
+      link_to_user(version.item_id) + ' signed up'
+    elsif version.event == 'update'
+      if version.changeset.keys.include?('reset_password_sent_at')
+        'Someone requested password reset of'
+      elsif version.changeset.keys.include?('confirmed_at') && version.changeset['confirmed_at'][0].nil?
+        (version.whodunnit.nil? ? link_to_user(version.item_id) : link_to_user(version.whodunnit)) + ' confirmed account of'
+      elsif version.changeset.keys.include?('confirmed_at') && version.changeset['confirmed_at'][1].nil?
+        link_to_user(version.whodunnit) + ' unconfirmed account of'
+      else
+        link_to_user(version.whodunnit) + " updated #{updated_attributes(version)} of"
+      end
+    end
+  end
+
+  def users_role_change_description(version)
+    version.event == 'create' ? 'added' : 'removed'
+  end
+end