Move generation of role icons into a helper

[rails.git] / app / helpers / user_roles_helper.rb

diff --git a/app/helpers/user_roles_helper.rb b/app/helpers/user_roles_helper.rb
new file mode 100644 (file)
index 0000000..369efca
--- /dev/null
+++ b/app/helpers/user_roles_helper.rb
@@ -0,0 +1,37 @@
+module UserRolesHelper
+  def role_icons(user)
+    UserRole::ALL_ROLES.reduce("".html_safe) { |s,r| s + " " + role_icon(user, r) }
+  end
+
+  def role_icon(user, role)
+    if @user and @user.administrator?
+      if user.has_role?(role)
+        image = "roles/#{role}.png"
+        alt = t("user.view.role.revoke.#{role}")
+        title = t("user.view.role.revoke.#{role}")
+        url = revoke_role_path(:display_name => user.display_name, :role => role)
+        confirm = t("user_role.revoke.are_you_sure", :name => user.display_name, :role => role)
+      else
+        image = "roles/blank_#{role}.png"
+        alt = t("user.view.role.grant.#{role}")
+        title = t("user.view.role.grant.#{role}")
+        url = grant_role_path(:display_name => user.display_name, :role => role)
+        confirm = t("user_role.grant.are_you_sure", :name => user.display_name, :role => role)
+      end
+    elsif user.has_role?(role) 
+      image = "roles/#{role}.png"
+      alt = t("user.view.role.#{role}")
+      title = t("user.view.role.#{role}")
+    end
+
+    if image
+      icon = image_tag(image, :size => "20x20", :border => 0, :alt => alt, :title => title)
+
+      if url
+        icon = link_to(icon, url, :method => :post, :confirm => confirm)
+      end
+    end
+
+    icon
+  end
+end