Refactor RepositoryCache to make it usable in other classes

1 files changed, 32 insertions, 0 deletions

diff --git a/lib/gitlab/repository_cache.rb b/lib/gitlab/repository_cache.rb
new file mode 100644
index 00000000000..b7650f6ed81
--- /dev/null
+++ b/lib/gitlab/repository_cache.rb
@@ -0,0 +1,32 @@
+# Interface to the Redis-backed cache store
+module Gitlab
+  class RepositoryCache
+    attr_reader :repository, :namespace, :backend
+
+    def initialize(repository, backend = Rails.cache)
+      @repository = repository
+      @namespace = "#{repository.full_path}:#{repository.project.id}"
+      @backend = backend
+    end
+
+    def cache_key(type)
+      "#{type}:#{namespace}"
+    end
+
+    def expire(key)
+      backend.delete(cache_key(key))
+    end
+
+    def fetch(key, &block)
+      backend.fetch(cache_key(key), &block)
+    end
+
+    def exist?(key)
+      backend.exist?(cache_key(key))
+    end
+
+    def read(key)
+      backend.read(cache_key(key))
+    end
+  end
+end