Allow custom cache expiry

app/action.rb

@@ -22,8 +22,8 @@ module Adamantium
     handle_exception ROM::TupleCountMismatchError => :not_found
     handle_exception StandardError => :handle_error
 
-    def cache(key:, content:)
+    def cache(key:, content_proc:, expiry: TimeMath.min.advance(Time.now, +10))
-      cacher.call(key: key, content: content, expiry: TimeMath.min.advance(Time.now, +10))
+      cacher.call(key: key, content_proc: content_proc, expiry: expiry)
     end
 
     def not_found(_req, res, _exception)

app/actions/recently_played/index.rb

@@ -7,7 +7,7 @@ module Adamantium
         include Deps["views.recently_played.index"]
 
         def handle(req, res)
-          res.body = cache(key: "recently_played", content: index.call.to_str)
+          res.body = cache(key: "recently_played", content_proc: -> { index.call.to_str })
         end
       end
     end

lib/adamantium/view_cache/cacher.rb

@@ -3,18 +3,20 @@ require "json"
 module Adamantium
   module ViewCache
     class Cacher
-      def call(key:, content:, expiry:)
+      def call(key:, content_proc:, expiry:)
         cached_content = read(key: key)
 
         return cached_content if cached_content
 
-        data = JSON.generate(expire: expiry.to_i, content: content)
+        rendered_content = content_proc.()
+
+        data = JSON.generate(expire: expiry.to_i, content: rendered_content)
 
         path = "#{key}.json"
 
         File.write(File.join(Hanami.app.root, "tmp", path), data)
 
-        content
+        rendered_content
       end
 
       private