added more comments

1 files changed, 12 insertions, 1 deletions

diff --git a/server.go b/server.go
index 586d962..49dfb2b 100644
--- a/server.go
+++ b/server.go
@@ -11,8 +11,19 @@ import (
 )
 
 var (
+	// Store a list of categories
 	categories []string
-	port       int
+
+	// Map a category to it's age on disk
+	// If a category is downloaded, it is added to this map with it's Unix epoch
+	// timestamp.
+	// If the category is too old, re-download it
+	// TODO: Define what "to old" acutually means and what default value it
+	// might get
+	categoryAge = make(map[string]int)
+
+	// Define the port the server should listen on
+	port int
 )
 
 func main() {