Merge pull request #3264 from consul/tags-length

[Backport] Set tags max length to 160

app/assets/javascripts/tags.js.coffee

@@ -8,7 +8,7 @@ App.Tags =
 
       unless $this.data('initialized') is 'yes'
         $this.on('click', ->
-          name = $(this).text()
+          name = '"' + $(this).text() + '"'
           current_tags = $tag_input.val().split(',').filter(Boolean)
 
           if $.inArray(name, current_tags) >= 0

app/models/tag.rb

@@ -0,0 +1,2 @@
+class Tag < ActsAsTaggableOn::Tag
+end

db/migrate/20190205131722_increase_tag_name_limit.rb

@@ -0,0 +1,9 @@
+class IncreaseTagNameLimit < ActiveRecord::Migration
+  def up
+    change_column :tags, :name, :string, limit: 160
+  end
+
+  def down
+    change_column :tags, :name, :string, limit: 40
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20190131122858) do
+ActiveRecord::Schema.define(version: 20190205131722) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -1311,7 +1311,7 @@ ActiveRecord::Schema.define(version: 20190131122858) do
   add_index "taggings", ["taggable_id", "taggable_type", "context"], name: "index_taggings_on_taggable_id_and_taggable_type_and_context", using: :btree
 
   create_table "tags", force: :cascade do |t|
-    t.string  "name",                        limit: 40
+    t.string  "name",                        limit: 160
     t.integer "taggings_count",                          default: 0
     t.integer "debates_count",                           default: 0
     t.integer "proposals_count",                         default: 0

lib/tag_sanitizer.rb

@@ -1,10 +1,10 @@
 class TagSanitizer
-  DISALLOWED_STRINGS = %w(? < > = /)
+  DISALLOWED_STRINGS = %w[? < > = /]
 
   def sanitize_tag(tag)
     tag = tag.dup
     DISALLOWED_STRINGS.each do |s|
-      tag.gsub!(s, '')
+      tag.gsub!(s, "")
     end
     tag.truncate(TagSanitizer.tag_max_length)
   end
@@ -14,7 +14,7 @@ class TagSanitizer
   end
 
   def self.tag_max_length
-    40
+    160
   end
 
 end

spec/factories/classifications.rb

@@ -1,5 +1,5 @@
 FactoryBot.define do
-  factory :tag, class: 'ActsAsTaggableOn::Tag' do
+  factory :tag, class: "ActsAsTaggableOn::Tag" do
     sequence(:name) { |n| "Tag #{n} name" }
 
     trait :category do
@@ -7,6 +7,12 @@ FactoryBot.define do
     end
   end
 
+  factory :tagging, class: "ActsAsTaggableOn::Tagging" do
+    context "tags"
+    association :taggable, factory: :proposal
+    tag
+  end
+
   factory :topic do
     sequence(:title) { |n| "Topic title #{n}" }
     sequence(:description) { |n| "Description as comment #{n}" }

spec/models/tag_spec.rb

@@ -0,0 +1,37 @@
+require "rails_helper"
+
+describe Tag do
+
+  it "decreases tag_count when a debate is hidden" do
+    debate = create(:debate)
+    tag = create(:tag)
+    tagging = create(:tagging, tag: tag, taggable: debate)
+
+    expect(tag.taggings_count).to eq(1)
+
+    debate.update(hidden_at: Time.now)
+
+    tag.reload
+    expect(tag.taggings_count).to eq(0)
+  end
+
+  it "decreases tag_count when a proposal is hidden" do
+    proposal = create(:proposal)
+    tag = create(:tag)
+    tagging = create(:tagging, tag: tag, taggable: proposal)
+
+    expect(tag.taggings_count).to eq(1)
+
+    proposal.update(hidden_at: Time.now)
+
+    tag.reload
+    expect(tag.taggings_count).to eq(0)
+  end
+
+  describe "name validation" do
+    it "160 char name should be valid" do
+      tag = build(:tag, name: Faker::Lorem.characters(160))
+      expect(tag).to be_valid
+    end
+  end
+end