diff options
Diffstat (limited to 'lib/declarative_policy/preferred_scope.rb')
-rw-r--r-- | lib/declarative_policy/preferred_scope.rb | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/lib/declarative_policy/preferred_scope.rb b/lib/declarative_policy/preferred_scope.rb new file mode 100644 index 00000000000..b0754098149 --- /dev/null +++ b/lib/declarative_policy/preferred_scope.rb @@ -0,0 +1,28 @@ +module DeclarativePolicy + PREFERRED_SCOPE_KEY = :"DeclarativePolicy.preferred_scope" + + class << self + def with_preferred_scope(scope, &b) + Thread.current[PREFERRED_SCOPE_KEY], old_scope = scope, Thread.current[PREFERRED_SCOPE_KEY] + yield + ensure + Thread.current[PREFERRED_SCOPE_KEY] = old_scope + end + + def preferred_scope + Thread.current[PREFERRED_SCOPE_KEY] + end + + def user_scope(&b) + with_preferred_scope(:user, &b) + end + + def subject_scope(&b) + with_preferred_scope(:subject, &b) + end + + def preferred_scope=(scope) + Thread.current[PREFERRED_SCOPE_KEY] = scope + end + end +end |