style fixes

app/controllers/admin/events_controller.rb

@@ -49,7 +49,12 @@ module Admin
               typelength += myevent.event_type.length
               @totallength += myevent.event_type.length
             end
-            @eventstats[mytype.title] = { 'count' => events_mytype.count, 'length' => events_mytype.count * mytype.length } if @eventstats[mytype.title] == nil
+
+            if @eventstats[mytype.title] == nil
+              @eventstats[mytype.title] = { 'count' => events_mytype.count,
+                                            'length' => events_mytype.count * mytype.length }
+            end
+
             tmp = { "#{mystate.name}" => { 'type_state_count' => events_mytype_mystate.count,
                                            'type_state_length' => typelength } }
             @eventstats[mytype.title].merge!(tmp)
@@ -108,7 +113,8 @@ module Admin
         @event.update_attribute(:difficulty_level_id, params[:difficulty_level_id])
       end
 
-      if @event.submitter.update_attributes!(params[:user]) && @event.update_attributes!(params[:event])
+      if @event.submitter.update_attributes!(params[:user]) && @event.
+                                                               update_attributes!(params[:event])
         flash[:notice] = "Successfully updated #{@event.title}."
       else
         flash[:notice] = 'Update not successful.'

app/models/datatable_supporters.rb

@@ -4,10 +4,10 @@ class DatatableSupporters < Datatable
     items.each do |i|
       item = []
       if i.name.blank?
-        unless i.registration.nil? || i.registration.user.nil?
+        if !i.registration.nil? && !i.registration.user.nil?
           item << i.registration.user.name
         else
-          item << "Unknown"
+          item << 'Unknown'
         end
 
       else
@@ -15,10 +15,10 @@ class DatatableSupporters < Datatable
       end
 
       if i.email.blank?
-        unless i.registration.nil? && i.registration.user.nil?
+        if !i.registration.nil? && !i.registration.user.nil?
           item << i.registration.user.email
         else
-          item << "Unknown"
+          item << 'Unknown'
         end
 
       else
@@ -35,6 +35,6 @@ class DatatableSupporters < Datatable
   end
 
   def columns
-    ["name", "email", "name", "name", "name"]
+    ['name', 'email', 'name', 'name', 'name']
   end
 end

app/models/user.rb

@@ -121,7 +121,7 @@ class User < ActiveRecord::Base
   private
 
   def biography_limit
-    errors.add(:abstract, 'cannot have more than 150 words') if !biography.nil? &&
+    errors.add(:abstract, 'cannot have more than 150 words') if biography &&
                                                                 biography.split.size > 150
   end
 end

app/views/devise/registrations/edit.html.haml

@@ -26,7 +26,7 @@
         = render 'devise/shared/openid'
 
       = f.inputs name: 'Account' do
-        = f.input :email, :required => false, :input_html => {autocomplete: "off"}
+        = f.input :email, required: false, input_html: {autocomplete: "off"}
         = f.input :password, hint: "(Leave blank if you don't want to change it)", input_html: {autocomplete: 'off'}
         = f.input :password_confirmation, input_html: {autocomplete: 'off'}
         = f.input :current_password, input_html: {autocomplete: 'off'},