Module: Lawkeeper::Helpers

Defined in:
lib/lawkeeper.rb

Instance Method Summary collapse

Instance Method Details

#authorize(model, action, policy_class = nil) ⇒ Object 



64
65
66
67
68
69
70
 
# File 'lib/lawkeeper.rb', line 64

def authorize(model, action, policy_class = nil)
  if can?(action, model, policy_class)
    set_lawkeeper_header(AUTHORIZED_HEADER)
  else
    raise NotAuthorized
  end
end

#can?(action, model, policy_class = nil) ⇒ Boolean

Returns:

  • (Boolean) 


58
59
60
61
62
 
# File 'lib/lawkeeper.rb', line 58

def can?(action, model, policy_class = nil)
  policy_class ||= Lawkeeper::PolicyLookup[model]
  policy_method = "#{action}?"
  policy_class.new(current_user, model).public_send(policy_method)
end

#policy_scope(scope) ⇒ Object 



72
73
74
75
76
 
# File 'lib/lawkeeper.rb', line 72

def policy_scope(scope)
  set_lawkeeper_header(AUTHORIZED_HEADER)
  klass = Lawkeeper::PolicyLookup.for_scope(scope)::Scope
  klass.new(current_user, scope).resolve
end

#set_lawkeeper_header(header) ⇒ Object 



82
83
84
 
# File 'lib/lawkeeper.rb', line 82

def set_lawkeeper_header(header)
  headers[header] = 'true' unless Lawkeeper.skip_set_headers
end

#skip_authorization ⇒ Object 



78
79
80
 
# File 'lib/lawkeeper.rb', line 78

def skip_authorization
  set_lawkeeper_header(SKIPPED_HEADER)
end