Merge pull request #582 from juandefelix/limit-tags

Limit number of tags in debates and proposals

app/models/concerns/taggable.rb

@@ -3,6 +3,7 @@ module Taggable
 
   included do
     acts_as_taggable
+    validate :max_number_of_tags
   end
 
   def tag_list_with_limit(limit = nil)
@@ -17,4 +18,8 @@ module Taggable
     count = tags.size - limit
     count < 0 ? 0 : count
   end
+
+  def max_number_of_tags
+    errors.add(:tag_list, :less_than_or_equal_to, count: 6) if tag_list.count > 6
+  end
 end

config/locales/activerecord.en.yml

@@ -34,3 +34,13 @@ en:
       organization:
         name: Organization name
         responsible_name: Person in charge
+    errors:
+      models:
+        debate:
+          attributes:
+            tag_list:
+              less_than_or_equal_to: tags must be less than or equal to %{count}
+        proposal:
+          attributes:
+            tag_list:
+              less_than_or_equal_to: tags must be less than or equal to %{count}

config/locales/activerecord.es.yml

@@ -56,3 +56,13 @@ es:
       organization:
         name: Nombre de organización
         responsible_name: Persona responsable del colectivo
+    errors:
+      models:
+        debate:
+          attributes:
+            tag_list:
+              less_than_or_equal_to: los temas deben ser menor o igual que %{count}
+        proposal:
+          attributes:
+            tag_list:
+              less_than_or_equal_to: los temas deben ser menor o igual que %{count}

spec/features/debates_spec.rb

@@ -339,13 +339,13 @@ feature 'Debates' do
 
   describe 'Limiting tags shown' do
     scenario 'Index page shows up to 5 tags per debate' do
-      tag_list = ["Hacienda", "Economía", "Medio Ambiente", "Corrupción", "Fiestas populares", "Prensa", "Huelgas"]
+      tag_list = ["Hacienda", "Economía", "Medio Ambiente", "Corrupción", "Fiestas populares", "Prensa"]
       create :debate, tag_list: tag_list
 
       visit debates_path
 
       within('.debate .tags') do
-        expect(page).to have_content '2+'
+        expect(page).to have_content '1+'
       end
     end
 

spec/features/proposals_spec.rb

@@ -422,13 +422,13 @@ feature 'Proposals' do
 
   describe 'Limiting tags shown' do
     scenario 'Index page shows up to 5 tags per proposal' do
-      tag_list = ["Hacienda", "Economía", "Medio Ambiente", "Corrupción", "Fiestas populares", "Prensa", "Huelgas"]
+      tag_list = ["Hacienda", "Economía", "Medio Ambiente", "Corrupción", "Fiestas populares", "Prensa"]
       create :proposal, tag_list: tag_list
 
       visit proposals_path
 
       within('.proposal .tags') do
-        expect(page).to have_content '2+'
+        expect(page).to have_content '1+'
       end
     end
 

spec/features/tags_spec.rb

@@ -90,6 +90,24 @@ feature 'Tags' do
     expect(page).to have_content 'Impuestos'
   end
 
+  scenario 'Create with too many tags' do
+    user = create(:user)
+    login_as(user)
+
+    visit new_debate_path
+    fill_in 'debate_title', with: 'Title'
+    fill_in 'debate_description', with: 'Description'
+    fill_in 'debate_captcha', with: correct_captcha_text
+    check 'debate_terms_of_service'
+
+    fill_in 'debate_tag_list', with: "Impuestos, Economía, Hacienda, Sanidad, Educación, Política, Igualdad"
+
+    click_button 'Start a debate'
+
+    expect(page).to have_content '1 error prohibited this debate from being saved:'
+    expect(page).to have_content 'tags must be less than or equal to 6'
+  end
+
   scenario 'Update' do
     debate = create(:debate, tag_list: 'Economía')
 

spec/models/debate_spec.rb

@@ -57,12 +57,24 @@ describe Debate do
     end
   end
 
+  describe "#tag_list" do
     it "should sanitize the tag list" do
       debate.tag_list = "user_id=1"
       debate.valid?
       expect(debate.tag_list).to eq(['user_id1'])
     end
 
+    it "should not be valid with a tag list of more than 6 elements" do
+      debate.tag_list = ["Hacienda", "Economía", "Medio Ambiente", "Corrupción", "Fiestas populares", "Prensa", "Huelgas"]
+      expect(debate).to_not be_valid
+    end
+
+    it "should be valid with a tag list of  6 elements" do
+      debate.tag_list = ["Hacienda", "Economía", "Medio Ambiente", "Corrupción", "Fiestas populares", "Prensa"]
+      expect(debate).to be_valid
+    end
+  end
+
   it "should not be valid without accepting terms of service" do
     debate.terms_of_service = nil
     expect(debate).to_not be_valid

spec/models/proposal_spec.rb

@@ -99,12 +99,24 @@ describe Proposal do
     end
   end
 
+  describe "tag_list" do
     it "should sanitize the tag list" do
       proposal.tag_list = "user_id=1"
       proposal.valid?
       expect(proposal.tag_list).to eq(['user_id1'])
     end
 
+    it "should not be valid with a tag list of more than 6 elements" do
+      proposal.tag_list = ["Hacienda", "Economía", "Medio Ambiente", "Corrupción", "Fiestas populares", "Prensa", "Huelgas"]
+      expect(proposal).to_not be_valid
+    end
+
+    it "should be valid with a tag list of more than 6 elements" do
+      proposal.tag_list = ["Hacienda", "Economía", "Medio Ambiente", "Corrupción", "Fiestas populares", "Prensa"]
+      expect(proposal).to be_valid
+    end
+  end
+
   it "should not be valid without accepting terms of service" do
     proposal.terms_of_service = nil
     expect(proposal).to_not be_valid