Fixes #2619 - KB header and footer link-color not changeable

app/assets/javascripts/app/controllers/knowledge_base/public_menu_manager.coffee

@@ -27,11 +27,13 @@ class App.KnowledgeBasePublicMenuManager extends App.Controller
       {
         headline: 'Header menu',
         identifier: 'header',
-        color:      kb.color_header
+        color:      kb.color_header,
+        color_link: kb.color_header_link
       },
       {
         headline: 'Footer menu',
-        identifier: 'footer'
+        identifier: 'footer',
+        color_link: 'hsl(207,12%,50%)'
       }
     ]
 

app/assets/javascripts/app/models/knowledge_base.coffee

@@ -1,5 +1,5 @@
 class App.KnowledgeBase extends App.Model
-  @configure 'KnowledgeBase', 'iconset', 'color_highlight', 'color_header', 'translation_ids', 'locale_ids', 'homepage_layout', 'category_layout', 'custom_address'
+  @configure 'KnowledgeBase', 'iconset', 'color_highlight', 'color_header', 'color_header_link', 'translation_ids', 'locale_ids', 'homepage_layout', 'category_layout', 'custom_address'
   @extend Spine.Model.Ajax
   @extend App.KnowledgeBaseActions
   @url: @apiPath + '/knowledge_bases'
@@ -148,6 +148,17 @@ class App.KnowledgeBase extends App.Model
           display:    false
           horizontal: true
           shown:      true
+    }, {
+      name: 'color_header_link'
+      display: 'Header Link Color'
+      tag: 'color'
+      style: 'block'
+      null: false
+      screen:
+        admin_style_color_header_link:
+          display:    false
+          horizontal: true
+          shown:      true
     # Layout picker is disabled in V1
     #}, {
     #  name:     'homepage_layout'

app/assets/javascripts/app/views/knowledge_base/new_modal.coffee

@@ -29,6 +29,7 @@ class App.KnowledgeBaseNewModal extends App.ControllerModal
     params['iconset']           = 'FontAwesome'
     params['color_highlight']   = '#38ae6a'
     params['color_header']      = '#f9fafb'
+    params['color_header_link'] = 'hsl(206,8%,50%)'
     params['homepage_layout']   = 'grid'
     params['category_layout']   = 'grid'
 

app/assets/javascripts/app/views/knowledge_base/public_menu_manager.jst.eco

@@ -14,7 +14,7 @@
       <div class="kb-menu-preview">
         <div class="label"><%= kb_locale.systemLocale().name %></div>
 
-        <div class="kb-menu-preview-container kb-menu-preview-container--<%= location.identifier %>" style="background-color: <%= location.color %>">
+        <div class="kb-menu-preview-container kb-menu-preview-container--<%= location.identifier %>" style="background-color: <%= location.color %>; color: <%= location.color_link %>;">
           <% menu_items = App.KnowledgeBaseMenuItem.using_kb_locale_location(kb_locale, location.identifier) %>
 
           <% if menu_items.length == 0: %>

app/assets/stylesheets/zammad.scss

@@ -2661,7 +2661,7 @@ input.has-error {
   }
 
   a {
-    color: hsl(206,8%,50%);
+    color: inherit;
   }
 
   .label {

app/models/knowledge_base.rb

@@ -29,6 +29,7 @@ class KnowledgeBase < ApplicationModel
 
   validates :color_highlight,   presence: true, color: true
   validates :color_header,      presence: true, color: true
+  validates :color_header_link, presence: true, color: true
 
   validates :iconset, inclusion: { in: KnowledgeBase::ICONSETS }
 

app/views/knowledge_base/public/_inline_stylesheet.html.erb

@@ -28,4 +28,8 @@
 	.header {
     background-color: <%= knowledge_base.color_header %>;
 	}
+
+  .header .menu-item {
+    color: <%= knowledge_base.color_header_link %>;
+  }
 </style>

db/migrate/20190531180304_initialize_knowledge_base.rb

@@ -10,6 +10,7 @@ class InitializeKnowledgeBase < ActiveRecord::Migration[5.0]
 
       t.string :color_highlight,   limit: 25, null: false
       t.string :color_header,      limit: 25, null: false
+      t.string :color_header_link, limit: 25, null: false
 
       t.string :homepage_layout, null: false
       t.string :category_layout, null: false

db/migrate/20210923172256_issue_2619_kb_header_link_color.rb

@@ -0,0 +1,11 @@
+# Copyright (C) 2012-2021 Zammad Foundation, http://zammad-foundation.org/
+
+class Issue2619KbHeaderLinkColor < ActiveRecord::Migration[6.0]
+  def up
+    return if !Setting.exists?(name: 'system_init_done')
+
+    add_column :knowledge_bases, :color_header_link, :string, limit: 25, null: false, default: 'hsl(206,8%,50%)'
+    change_column_default :knowledge_bases, :color_header_link, nil
+    KnowledgeBasis.reset_column_information
+  end
+end

spec/factories/knowledge_base.rb

@@ -8,6 +8,7 @@ FactoryBot.define do
     iconset         { 'FontAwesome' }
     color_highlight { '#AAA' }
     color_header    { '#EEE' }
+    color_header_link { '#FFF000' }
     homepage_layout { 'grid' }
     category_layout { 'list' }
 

spec/models/knowledge_base_spec.rb

@@ -56,9 +56,9 @@ RSpec.describe KnowledgeBase, type: :model do
     let(:allowed_values) { ['#aaa', '#ff0000', 'rgb(0,100,100)', 'hsl(0,100%,50%)'] }
     let(:not_allowed_values) { ['aaa', '#aa', '#ff000', 'rgb(0,100,100', 'def(0,100%,0.5)', 'test'] }
 
-    it { is_expected.to allow_values(*allowed_values).for(:color_header) }
-    it { is_expected.to allow_values(*allowed_values).for(:color_highlight) }
-    it { is_expected.not_to allow_values(*not_allowed_values).for(:color_header) }
-    it { is_expected.not_to allow_values(*not_allowed_values).for(:color_highlight) }
+    %i[color_header color_header_link color_highlight].each do |attr|
+      it { is_expected.to allow_values(*allowed_values).for(attr) }
+      it { is_expected.not_to allow_values(*not_allowed_values).for(attr) }
+    end
   end
 end

spec/support/custom_matchers.rb

@@ -7,3 +7,26 @@ RSpec::Matchers.define :exist_in_database do
     actual.class.exists?(actual.id)
   end
 end
+
+RSpec::Matchers.define :have_computed_style do
+
+  match do
+    actual_value == expected_value
+  end
+
+  failure_message do
+    "Expected element to have CSS property #{expected_key} with value #{expected_value}. But it was #{actual_value}."
+  end
+
+  def expected_key
+    expected[0]
+  end
+
+  def expected_value
+    expected[1]
+  end
+
+  def actual_value
+    actual.evaluate_script "getComputedStyle(this).#{expected_key}"
+  end
+end

spec/system/admin/knowledge_base/public_menu_spec.rb

@@ -7,20 +7,44 @@ RSpec.describe 'Admin Panel > Knowledge Base > Public Menu', type: :system do
   include_context 'basic Knowledge Base'
   include_context 'Knowledge Base menu items'
 
+  context 'lists menu items' do
     before do
       visit '/#manage/knowledge_base'
       find('a', text: 'Public Menu').click
     end
 
-  context 'lists menu items' do
     it { expect(find_locale('Footer menu', alternative_locale).text).to include menu_item_4.title }
     it { expect(find_locale('Header menu', primary_locale).text).to include menu_item_1.title }
     it { expect(find_locale('Header menu', alternative_locale).text).not_to include menu_item_2.title }
     it { expect(find_locale('Header menu', primary_locale).text).to include menu_item_2.title }
   end
 
+  context 'menu items color' do
+    before do
+      knowledge_base.update! color_header_link: color
+      visit '/#manage/knowledge_base'
+      find('a', text: 'Public Menu').click
+    end
+
+    let(:color) { 'rgb(255, 0, 255)' }
+
+    it 'applies color for header preview' do
+      elem = all('.kb-menu-preview a')[0]
+
+      expect(elem).to have_computed_style :color, color
+    end
+
+    it 'does not apply color for footer preview' do
+      elem = all('.kb-menu-preview a')[3]
+
+      expect(elem).not_to have_computed_style :color, color
+    end
+  end
+
   context 'edit menu items' do
     before do
+      visit '/#manage/knowledge_base'
+      find('a', text: 'Public Menu').click
       find_location('Header menu').find('a', text: 'Edit').click
 
       modal_ready

spec/system/admin/knowledge_base/theme_spec.rb

@@ -0,0 +1,30 @@
+# Copyright (C) 2012-2021 Zammad Foundation, http://zammad-foundation.org/
+
+require 'rails_helper'
+
+# https://github.com/zammad/zammad/issues/266
+RSpec.describe 'Admin Panel > Knowledge Base > Theme', type: :system do
+  include_context 'basic Knowledge Base'
+
+  context 'header link color' do
+    before do
+      knowledge_base
+      visit '/#manage/knowledge_base'
+    end
+
+    it 'shows color' do
+      elem = find('#color_header_link input')
+
+      expect(elem.value).to eq knowledge_base.color_header_link
+    end
+
+    it 'saves new color' do
+      find('#color_header_link input').fill_in with: '#ccc'
+      find('#color_header_link button').click
+
+      await_empty_ajax_queue
+
+      expect(knowledge_base.reload.color_header_link).to eq '#ccc'
+    end
+  end
+end

spec/system/knowledge_base_public/menu_items_spec.rb

@@ -6,6 +6,7 @@ RSpec.describe 'Public Knowledge Base menu items', type: :system, authenticated_
   include_context 'basic Knowledge Base'
   include_context 'Knowledge Base menu items'
 
+  context 'menu items visibility' do
     before do
       published_answer
 
@@ -38,3 +39,25 @@ RSpec.describe 'Public Knowledge Base menu items', type: :system, authenticated_
       expect(index_1).to be < index_2
     end
   end
+
+  context 'menu items color' do
+    before do
+      knowledge_base.update! color_header_link: color
+      visit help_no_locale_path
+    end
+
+    let(:color) { 'rgb(255, 0, 255)' }
+
+    it 'applies color for header preview' do
+      elem = all('.menu-item')[0]
+
+      expect(elem).to have_computed_style :color, color
+    end
+
+    it 'does not apply color for footer preview' do
+      elem = all('.menu-item')[2]
+
+      expect(elem).not_to have_computed_style :color, color
+    end
+  end
+end