allow changing group quotas, closes #6039

Change-Id: I601db2d52dbff78c0f4e7526e1bf58cdc535ff1a
Reviewed-on: https://gerrit.instructure.com/6339
Reviewed-by: Zach Wily <zach@instructure.com>
Tested-by: Hudson <hudson@instructure.com>

app/models/group.rb

@@ -331,6 +331,10 @@ class Group < ActiveRecord::Base
     end
   end
 
+  def quota
+    self.storage_quota || Setting.get_cached('group_default_quota', 50.megabytes.to_s).to_i
+  end
+
   TAB_HOME = 0
   TAB_PAGES = 1
   TAB_PEOPLE = 2

spec/controllers/files_controller_spec.rb

@@ -91,6 +91,22 @@ describe FilesController do
       assigns[:quota].should_not be_nil
       response.should be_success
     end
+
+    it "should assign variables for group quota" do
+      course_with_teacher_logged_in(:active_all => true)
+      group_model(:context => @course)
+      get 'quota', :group_id => @group.id
+      assigns[:quota].should_not be_nil
+      response.should be_success
+    end
+
+    it "should allow changing group quota" do
+      course_with_teacher_logged_in(:active_all => true)
+      group_model(:context => @course, :storage_quota => 500.megabytes)
+      get 'quota', :group_id => @group.id
+      assigns[:quota].should == 500.megabytes
+      response.should be_success
+    end
   end
   
   describe "GET 'index'" do