Introduce an Anonymous Agent

Since we moved away from Roles it's important to maintain a
default Agent that is distinct from the previous default
IN COMMON Agent.

Previously, a user without a proper group would be granted the
`observer` role in the default Agent, enough to create new
resources.
Now, we consider anonymous users to be part of the Anonymous
Agent, which also brings the possibility for them to edit yet
to be accepted Resources.

1 files changed, 20 insertions, 0 deletions

diff --git a/app/helpers/agents_helper.rb b/app/helpers/agents_helper.rb
index bbaeeca..3ecfd73 100644
--- a/app/helpers/agents_helper.rb
+++ b/app/helpers/agents_helper.rb
@@ -3,4 +3,24 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
 module AgentsHelper
+  DEFAULT_AGENT_UUID = "154cd5a4-3341-4c5f-8dd3-805c976c2a26".freeze
+  DEFAULT_AGENT_NAME = 'Anonymous'.freeze
+
+  protected
+
+  # Return the name of the current agent from context
+  def current_agent_name
+    session[:current_agent] || current_user.presence&.agents&.first&.name || default_agent_name
+  end
+
+  # Default Agent for users coming from unknown sources
+  # This agent uses a different database for writing resources
+  def default_agent
+    @default_agent ||= Agent.find_by(uuid: DEFAULT_AGENT_UUID) # Anonymous
+  end
+
+  # Return the name of the default
+  def default_agent_name
+    DEFAULT_AGENT_NAME
+  end
 end