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-rw-r--r--app/controllers/application_controller.rb89
1 files changed, 84 insertions, 5 deletions
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index bd3d13774..92339ce2f 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -15,7 +15,8 @@ class ApplicationController < ActionController::Base
 
   helper_method :current_account
   helper_method :current_session
-  helper_method :current_theme
+  helper_method :current_flavour
+  helper_method :current_skin
   helper_method :single_user_mode?
   helper_method :use_seamless_external_login?
   helper_method :whitelist_mode?
@@ -72,6 +73,75 @@ class ApplicationController < ActionController::Base
     new_user_session_path
   end
 
+  def pack(data, pack_name, skin = 'default')
+    return nil unless pack?(data, pack_name)
+    pack_data = {
+      common: pack_name == 'common' ? nil : resolve_pack(data['name'] ? Themes.instance.flavour(current_flavour) : Themes.instance.core, 'common', skin),
+      flavour: data['name'],
+      pack: pack_name,
+      preload: nil,
+      skin: nil,
+      supported_locales: data['locales'],
+    }
+    if data['pack'][pack_name].is_a?(Hash)
+      pack_data[:common] = nil if data['pack'][pack_name]['use_common'] == false
+      pack_data[:pack] = nil unless data['pack'][pack_name]['filename']
+      if data['pack'][pack_name]['preload']
+        pack_data[:preload] = [data['pack'][pack_name]['preload']] if data['pack'][pack_name]['preload'].is_a?(String)
+        pack_data[:preload] = data['pack'][pack_name]['preload'] if data['pack'][pack_name]['preload'].is_a?(Array)
+      end
+      if skin != 'default' && data['skin'][skin]
+        pack_data[:skin] = skin if data['skin'][skin].include?(pack_name)
+      else  #  default skin
+        pack_data[:skin] = 'default' if data['pack'][pack_name]['stylesheet']
+      end
+    end
+    pack_data
+  end
+
+  def pack?(data, pack_name)
+    if data['pack'].is_a?(Hash) && data['pack'].key?(pack_name)
+      return true if data['pack'][pack_name].is_a?(String) || data['pack'][pack_name].is_a?(Hash)
+    end
+    false
+  end
+
+  def nil_pack(data, pack_name, skin = 'default')
+    {
+      common: pack_name == 'common' ? nil : resolve_pack(data['name'] ? Themes.instance.flavour(current_flavour) : Themes.instance.core, 'common', skin),
+      flavour: data['name'],
+      pack: nil,
+      preload: nil,
+      skin: nil,
+      supported_locales: data['locales'],
+    }
+  end
+
+  def resolve_pack(data, pack_name, skin = 'default')
+    result = pack(data, pack_name, skin)
+    unless result
+      if data['name'] && data.key?('fallback')
+        if data['fallback'].nil?
+          return nil_pack(data, pack_name, skin)
+        elsif data['fallback'].is_a?(String) && Themes.instance.flavour(data['fallback'])
+          return resolve_pack(Themes.instance.flavour(data['fallback']), pack_name)
+        elsif data['fallback'].is_a?(Array)
+          data['fallback'].each do |fallback|
+            return resolve_pack(Themes.instance.flavour(fallback), pack_name) if Themes.instance.flavour(fallback)
+          end
+        end
+        return nil_pack(data, pack_name, skin)
+      end
+      return data.key?('name') && data['name'] != Setting.default_settings['flavour'] ? resolve_pack(Themes.instance.flavour(Setting.default_settings['flavour']), pack_name) : nil_pack(data, pack_name, skin)
+    end
+    result
+  end
+
+  def use_pack(pack_name)
+    @core = resolve_pack(Themes.instance.core, pack_name)
+    @theme = resolve_pack(Themes.instance.flavour(current_flavour), pack_name, current_skin)
+  end
+
   protected
 
   def truthy_param?(key)
@@ -130,15 +200,24 @@ class ApplicationController < ActionController::Base
     @current_session = SessionActivation.find_by(session_id: cookies.signed['_session_id']) if cookies.signed['_session_id'].present?
   end
 
-  def current_theme
-    return Setting.theme unless Themes.instance.names.include? current_user&.setting_theme
-    current_user.setting_theme
+  def current_flavour
+    return Setting.flavour unless Themes.instance.flavours.include? current_user&.setting_flavour
+    current_user.setting_flavour
+  end
+
+  def current_skin
+    return Setting.skin unless Themes.instance.skins_for(current_flavour).include? current_user&.setting_skin
+    current_user.setting_skin
   end
 
   def respond_with_error(code)
     respond_to do |format|
       format.any  { head code }
-      format.html { render "errors/#{code}", layout: 'error', status: code }
+
+      format.html do
+        use_pack 'error'
+        render "errors/#{code}", layout: 'error', status: code
+      end
     end
   end
 end