Refactor app in to its own slice

slices/main/views/posts/index.rb

@@ -0,0 +1,31 @@
+module Main
+  module Views
+    module Posts
+      class Index< Main::View
+        include Deps["repos.post_repo"]
+
+        expose :posts do |post_query|
+          post_query.map do |post|
+            Decorators::Posts::Decorator.new(post)
+          end
+        end
+
+        private_expose :post_query do |query|
+          if query
+            post_repo.search(term: query)
+          else
+            post_repo.post_listing
+          end
+        end
+
+        expose :query do |query:|
+          (query == "") ? nil : query
+        end
+
+        expose :post_years do
+          post_repo.post_years.map { |py| py[:year].to_i }
+        end
+      end
+    end
+  end
+end