Cleanup and document code.

README.md

@@ -41,3 +41,6 @@ $ docker run -d -p 8080:8080 velo
 ## Contributing
 
 Send PR.
+
+## Disclaimer
+I'm not a professional developer.

Station.json

@@ -0,0 +1,14 @@
+[
+    {
+        "id":"001",
+        "lon":"4.420650000000000000",
+        "lat":"51.217820000000000000",
+        "bikes":"0",
+        "slots":"31",
+        "zip":"2018",
+        "address":"Koningin Astridplein",
+        "status":"OPN",
+        "name":"001- Centraal Station - Astrid",
+        "stationType":"BIKE"
+    }
+]

main.go

@@ -26,6 +26,7 @@ func init() {
 }
 
 // Station holds all the data that a single station has.
+// See Station.json for how the original looks like.
 type Station struct {
 	ID             string `json:"id"`
 	District       string `json:"-"`
@@ -82,6 +83,7 @@ func (v *VeloManager) GetStations() (bikesByStation map[string]int, slotsByStati
 		slots := Stations[idx].Slots
 		name := Stations[idx].Name
 
+		// Convert json string to int.
 		iBikes, err := strconv.Atoi(bike)
 		if err != nil {
 			log.Printf("Error strconv bike: %v", err)
@@ -99,12 +101,6 @@ func (v *VeloManager) GetStations() (bikesByStation map[string]int, slotsByStati
 	end := time.Now()
 	log.Printf("Duration: %v", end.Sub(start))
 
-	// bikesByStation["045-Falconplein"] = 12
-	// bikesByStation["046-Somewhere"] = 14
-
-	// slotsByStation["045-Falconplain"] = 8
-	// slotsByStation["046-Somewhere"] = 6
-
 	return
 }
 
@@ -162,6 +158,7 @@ func main() {
 	flag.Parse()
 
 	log.Printf("Pushing metrics on port: %v", *addr)
+
 	// Expose the registered metrics via HTTP.
 	http.Handle("/metrics", promhttp.Handler())
 	log.Fatal(http.ListenAndServe(*addr, nil))