[#1092] fixed

app/models/event.rb

@@ -30,7 +30,6 @@ class Event < ActiveRecord::Base
   validate :abstract_limit
   validate :before_end_of_conference, on: :create
   validates :title, presence: true
-  validates :abstract, presence: true
   validates :event_type, presence: true
   validates :program, presence: true
   validates :max_attendees, numericality: { only_integer: true, greater_than_or_equal_to: 1, allow_nil: true }

app/views/proposal/new.html.haml

@@ -43,7 +43,7 @@
               :javascript
                 $("##{@program.event_types.first.id}-help").collapse('show');
 
-              = f.input :abstract, required: true, input_html: { rows: 5, data: { provide: 'markdown-editable' } },
+              = f.input :abstract, input_html: { rows: 5, data: { provide: 'markdown-editable' } },
                 hint: markdown_hint(link_to('Tips to improve your presentations.', 'http://blog.hubspot.com/blog/tabid/6307/bid/5975/10-Rules-to-Instantly-Improve-Your-Presentations.aspx'))
 
               %p

spec/models/event_spec.rb

@@ -21,7 +21,6 @@ describe Event do
     end
 
     it { is_expected.to validate_presence_of(:title) }
-    it { is_expected.to validate_presence_of(:abstract) }
     it { is_expected.to validate_presence_of(:program) }
     it { is_expected.to validate_presence_of(:event_type) }
 
@@ -75,6 +74,13 @@ describe Event do
           expect(event.valid?).to eq true
           expect(event.errors.size).to eq 0
         end
+        
+        it 'when abstract is empty and minimum_abstract_length equal to zero' do
+          event.abstract = ''
+          event.event_type.minimum_abstract_length = 0
+          expect(event.valid?).to eq true
+          expect(event.errors.size).to eq 0
+        end
       end
     end