From 85ff7666f3b995a3884d507a00b2b075155e1057 Mon Sep 17 00:00:00 2001
From: Naouak <tardiel@gmail.com>
Date: Sat, 15 Apr 2017 22:47:48 +0200
Subject: [PATCH] Check for a custom css file to help customization of
 instances (#1368)

* User can create a custom.scss to customize their instance without modifying gitted files.

* Add documentation for customization.

* Forgot the helper file

* Fix Style to pass codeclimate

* Requests from maintainer.
---
 app/assets/stylesheets/variables.scss   | 16 ++++++++--------
 app/helpers/style_helper.rb             | 19 +++++++++++++++++++
 app/views/layouts/application.html.haml |  2 +-
 config/initializers/assets.rb           |  3 ++-
 4 files changed, 30 insertions(+), 10 deletions(-)
 mode change 100644 => 100755 app/assets/stylesheets/variables.scss
 create mode 100755 app/helpers/style_helper.rb
 mode change 100644 => 100755 app/views/layouts/application.html.haml
 mode change 100644 => 100755 config/initializers/assets.rb

diff --git a/app/assets/stylesheets/variables.scss b/app/assets/stylesheets/variables.scss
old mode 100644
new mode 100755
index cdf81c8186..0dded90b07
--- a/app/assets/stylesheets/variables.scss
+++ b/app/assets/stylesheets/variables.scss
@@ -1,8 +1,8 @@
-$color1: #282c37; // darkest
-$color2: #d9e1e8; // lightest
-$color3: #9baec8; // lighter
-$color4: #2b90d9; // vibrant
-$color5: #ffffff; // white
-$color6: #df405a; // error red
-$color7: #79bd9a; // succ green
-$color8: #000000; // black
+$color1: #282c37 !default; // darkest
+$color2: #d9e1e8 !default; // lightest
+$color3: #9baec8 !default; // lighter
+$color4: #2b90d9 !default; // vibrant
+$color5: #ffffff !default; // white
+$color6: #df405a !default; // error red
+$color7: #79bd9a !default; // succ green
+$color8: #000000 !default; // black
diff --git a/app/helpers/style_helper.rb b/app/helpers/style_helper.rb
new file mode 100755
index 0000000000..774407b7fe
--- /dev/null
+++ b/app/helpers/style_helper.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+module StyleHelper
+  def stylesheet_for_layout
+    if asset_exist? 'custom.css'
+      'custom'
+    else
+      'application'
+    end
+  end
+
+  def asset_exist?(path)
+    if Rails.configuration.assets.compile
+      Rails.application.precompiled_assets.include? path
+    else
+      Rails.application.assets_manifest.assets[path].present?
+    end
+  end
+end
diff --git a/app/views/layouts/application.html.haml b/app/views/layouts/application.html.haml
old mode 100644
new mode 100755
index e8253bd6f9..a27c3de956
--- a/app/views/layouts/application.html.haml
+++ b/app/views/layouts/application.html.haml
@@ -17,7 +17,7 @@
         = ' - '
       = site_title
 
-    = stylesheet_link_tag 'application', media: 'all'
+    = stylesheet_link_tag stylesheet_for_layout, media: 'all'
     = csrf_meta_tags
 
     = yield :header_tags
diff --git a/config/initializers/assets.rb b/config/initializers/assets.rb
old mode 100644
new mode 100755
index 43f7860cb0..e6bd8a015b
--- a/config/initializers/assets.rb
+++ b/config/initializers/assets.rb
@@ -8,5 +8,6 @@ Rails.application.config.assets.version = '1.0'
 
 # Precompile additional assets.
 # application.js, application.css, and all non-JS/CSS in app/assets folder are already added.
-Rails.application.config.assets.precompile += %w(application_public.js)
+Rails.application.config.assets.precompile += %w(application_public.js custom.css)
+
 Rails.application.config.assets.initialize_on_precompile = true