stats: Some attempt at a filter to make the dictionary lighter

stats/web.go

@@ -7,6 +7,7 @@ import (
 )
 
 func webStats(rw http.ResponseWriter, req *http.Request) {
+	rw.Header().Set("Content-Type", "application/json")
 	err := json.NewEncoder(rw).Encode(stats)
 	if err != nil {
 		log.Println("[webStats] JSON Encoding error: " + err.Error())
@@ -14,14 +15,32 @@ func webStats(rw http.ResponseWriter, req *http.Request) {
 }
 
 func webUsers(rw http.ResponseWriter, req *http.Request) {
+	rw.Header().Set("Content-Type", "application/json")
 	err := json.NewEncoder(rw).Encode(users)
 	if err != nil {
 		log.Println("[webUsers] JSON Encoding error: " + err.Error())
 	}
 }
 
+const USAGE_THRESHOLD = 3
+
 func webWords(rw http.ResponseWriter, req *http.Request) {
-	err := json.NewEncoder(rw).Encode(words)
+	// Filter words under a certain usage
+	filtered := make(map[string]UserCount)
+	for word, usage := range words {
+		total := 0
+		for _, count := range usage {
+			total += count
+		}
+
+		if total < USAGE_THRESHOLD {
+			continue
+		}
+		filtered[word] = usage
+	}
+
+	rw.Header().Set("Content-Type", "application/json")
+	err := json.NewEncoder(rw).Encode(filtered)
 	if err != nil {
 		log.Println("[webWords] JSON Encoding error: " + err.Error())
 	}