Issue #4297: Style fixes - Default theme is configurable

app/helpers/users_helper.rb

@@ -13,39 +13,30 @@ module UsersHelper
   # is not signed in or has not specified a color theme, the
   # default (original) color theme is loaded.
   #
-  # ==== Examples
-  #
-  #   # if user is not signed in
-  #   current_color_theme # => "color_themes/original"
-  #   # if user Alice has not selected a color theme
-  #   current_color_theme # => "color_themes/original"
-  #   # if user Alice has selected a "magenta" theme
-  #   current_color_theme # => "color_themes/magenta"
+  # @example if user is not signed in
+  #   current_color_theme #=> "color_themes/original"
+  # @example if user Alice has not selected a color theme
+  #   current_color_theme #=> "color_themes/original"
+  # @example if user Alice has selected a "magenta" theme
+  #   current_color_theme #=> "color_themes/magenta"
   def current_color_theme
     if user_signed_in?
       color_theme = current_user.color_theme
     end
-    color_theme ||= DEFAULT_COLOR_THEME
-    current_color_theme = "color_themes/" + color_theme
+    color_theme ||= AppConfig.settings.default_color_theme
+    "color_themes/#{color_theme}"
   end
 
   # Returns an array of the color themes available, as
   # specified from AVAILABLE_COLOR_THEMES in
   # config/initializers/color_themes.rb.
   #
-  # ==== Examples
-  #
-  #   # if config/color_themes.yml is:
-  #   available:
-  #     original: "Original dark"
-  #     dark_green: "Dark green"
-  #   # and AVAILABLE_COLOR_THEMES is accordingly initialized,
-  #   # then:
+  # @example if AVAILABLE_COLOR_THEMES = {"original"=>"Original dark", "dark_green" => "Dark green"}
   #   available_color_themes
-  #   # => [["Original dark", "original"], ["Dark green", "dark_green"]]
+  #   #=> [["Original dark", "original"], ["Dark green", "dark_green"]]
   def available_color_themes
     opts = []
-    AVAILABLE_COLOR_THEMES.each do |theme_code, theme_name|
+    AVAILABLE_COLOR_THEMES.map do |theme_code, theme_name|
       opts << [theme_name, theme_code]
     end
     opts

app/models/user.rb

@@ -23,14 +23,14 @@ class User < ActiveRecord::Base
 
   before_validation :strip_and_downcase_username
   before_validation :set_current_language, :on => :create
-  before_validation :set_default_color_theme, :on => :create
+  before_validation :set_default_color_theme, on: :create
 
   validates :username, :presence => true, :uniqueness => true
   validates_format_of :username, :with => /\A[A-Za-z0-9_]+\z/
   validates_length_of :username, :maximum => 32
   validates_exclusion_of :username, :in => AppConfig.settings.username_blacklist
   validates_inclusion_of :language, :in => AVAILABLE_LANGUAGE_CODES
-  validates_inclusion_of :color_theme, :in => AVAILABLE_COLOR_THEME_CODES, :allow_blank => true
+  validates :color_theme, inclusion: {in: AVAILABLE_COLOR_THEME_CODES}, allow_blank: true
   validates_format_of :unconfirmed_email, :with  => Devise.email_regexp, :allow_blank => true
 
   validates_presence_of :person, :unless => proc {|user| user.invitation_token.present?}
@@ -201,7 +201,7 @@ class User < ActiveRecord::Base
   end
 
   def set_default_color_theme
-    self.color_theme ||= DEFAULT_COLOR_THEME
+    self.color_theme ||= AppConfig.settings.default_color_theme
   end
 
   # This override allows a user to enter either their email address or their username into the username field.
@@ -435,7 +435,7 @@ class User < ActiveRecord::Base
     self.language = opts[:language]
     self.language ||= I18n.locale.to_s
     self.color_theme = opts[:color_theme]
-    self.color_theme ||= DEFAULT_COLOR_THEME
+    self.color_theme ||= AppConfig.settings.default_color_theme
     self.valid?
     errors = self.errors
     errors.delete :person

app/views/layouts/application.html.haml

@@ -26,7 +26,7 @@
     - if rtl?
       = stylesheet_link_tag :rtl, media:  'all'
 
-    = stylesheet_link_tag current_color_theme, :media => "all"
+    = stylesheet_link_tag current_color_theme, media: "all"
 
     = old_browser_js_support
     <!--[if IE]>

app/views/layouts/application.mobile.haml

@@ -46,7 +46,7 @@
     - if rtl?
       = stylesheet_link_tag :rtl, :media => 'all'
 
-    = stylesheet_link_tag current_color_theme, :media => "all"
+    = stylesheet_link_tag current_color_theme, media: "all"
 
     = yield(:head)
 

config/defaults.yml

@@ -143,6 +143,7 @@ defaults:
         warn_days: 30
         limit_removals_to_per_day: 100
     source_url:
+    default_color_theme: "original"
   services:
     facebook:
       enable: false

config/diaspora.yml.example

@@ -533,6 +533,12 @@ configuration: ## Section
     ## If not set your pod will provide a downloadable archive.
     #source_url: 'https://example.org/username/diaspora'
 
+    ## Default color theme
+    ## You can change which color theme is displayed when a user is not signed in
+    ## or has not selected any color theme from the available ones. You simply have
+    ## to enter the name of the theme's .scss file in
+    ## app/assets/stylesheets/color_themes/ without the file extension.
+    #default_color_theme: "original"
   ## Posting from Diaspora to external services (all are disabled by default).
   services: ## Section
 

config/initializers/color_themes.rb

@@ -1,18 +1,19 @@
-require 'pathname'
-
 # Generate the path to the .yml file with the available color themes.
-color_themes_file = Pathname.new(__FILE__).dirname.join('..').expand_path.join("color_themes.yml")
+color_themes_file = Rails.root.join("config/color_themes.yml")
 # Check in case config/color_themes.yml does not exist.
 if color_themes_file.exist?
   # Load the file specified by the generated path.
   color_themes = YAML.load_file(color_themes_file)
-  # If the file contains one or more color themes, include them in AVAILABLE_COLOR_THEMES, else include the original theme.
-  AVAILABLE_COLOR_THEMES = (color_themes["available"].length > 0) ? color_themes["available"] : { "original" => "original.scss" }
+  # If the file contains one or more color themes, include them in AVAILABLE_COLOR_THEMES,
+  # else include the original theme.
+  AVAILABLE_COLOR_THEMES =
+    if color_themes["available"].length > 0
+      color_themes["available"]
+    else
+      {"original" => "Original Dark"}
+    end
 else
-  AVAILABLE_COLOR_THEMES = { "original" => "original.scss" }
+  AVAILABLE_COLOR_THEMES = {"original" => "Original Dark"}
 end
 # Get all codes from available themes into a separate variable, so that they can be called easier.
 AVAILABLE_COLOR_THEME_CODES = AVAILABLE_COLOR_THEMES.keys
-
-# The default color theme, that will be called when no color theme is specified.
-DEFAULT_COLOR_THEME = "original"

spec/controllers/users_controller_spec.rb

@@ -157,7 +157,7 @@ describe UsersController, :type => :controller do
         old_color_theme = "original"
         @user.color_theme = old_color_theme
         @user.save
-        put(:update, :id => @user.id, :user => { :color_theme => "dark_green"})
+        put(:update, id: @user.id, user: {color_theme: "dark_green"})
         @user.reload
         expect(@user.color_theme).not_to eq(old_color_theme)
       end

spec/helpers/users_helper_spec.rb

@@ -1,4 +1,4 @@
-require 'spec_helper'
+require "spec_helper"
 
 describe UsersHelper, :type => :helper do
   include Devise::TestHelpers
@@ -12,7 +12,7 @@ describe UsersHelper, :type => :helper do
       end
 
       it "returns the default color theme" do
-        expect(current_color_theme).to eq("color_themes/" + DEFAULT_COLOR_THEME)
+        expect(current_color_theme).to eq("color_themes/#{AppConfig.settings.default_color_theme}")
       end
     end
 
@@ -22,19 +22,20 @@ describe UsersHelper, :type => :helper do
         def user_signed_in?
           true
         end
+
         def current_user
           @user
         end
       end
 
       it "returns the default color theme if user has not selected any theme" do
-        expect(current_color_theme).to eq("color_themes/" + DEFAULT_COLOR_THEME)
+        expect(current_color_theme).to eq("color_themes/#{AppConfig.settings.default_color_theme}")
       end
 
       it "returns the color theme selected by the user if there is a selected one" do
         selected_theme = "test_theme"
         @user.color_theme = selected_theme
-        expect(current_color_theme).to eq("color_themes/" + selected_theme)
+        expect(current_color_theme).to eq("color_themes/#{selected_theme}")
       end
     end
   end