clean up the help display; fine-tune the parsing; prepare for the menu

browser.go

@@ -7,6 +7,7 @@ import (
 	"math/rand"
 	"net"
 	"net/http"
+	"net/url"
 	"time"
 )
 
@@ -17,10 +18,9 @@ type stationRecord struct {
 	Countrycode string `json:"countrycode"`
 	Tags        string `json:"tags"`
 	Url         string `json:"url"`
-	Lastcheck   int `json:"lastcheck"`
+	Lastcheck   int `json:"lastcheckok"`
 }
 
-
 func RandomIP(iplist []net.IP) net.IP {
 	rand.Seed(time.Now().Unix())
 	randomIndex := rand.Intn(len(iplist))
@@ -45,7 +45,7 @@ func GetApiHost() string {
 }
 
 func GetStations(qstring string) ([]stationRecord, error){
-	urlstr := fmt.Sprintf("https://%s/json/stations/search?%s&limit=100000",GetApiHost(),qstring)
+	urlstr := fmt.Sprintf("https://%s/json/stations/search?%s&limit=%d",GetApiHost(),qstring,maxitems())
 	resp, err := http.Get(urlstr)
 	if err != nil {
 		log.Printf(err.Error())
@@ -60,4 +60,37 @@ func GetStations(qstring string) ([]stationRecord, error){
 	return data, err
 }
 
+func pruneStations(stations []stationRecord) []stationRecord {
+	filteredStations := stations[:0]
+	for _, station := range stations {
+		if station.Lastcheck == 1 {
+			filteredStations = append(filteredStations, station)
+		}
+	}
+	return filteredStations
+}
+
+func StationSearch(name string, country string, state string, tags string) ([]stationRecord, error) {
+	params := url.Values{}
+	if name != ""{
+		params.Add("name", name)
+	}
+	if country != "" {
+		params.Add("country", country)
+	}
+	if state != ""{
+		params.Add("state", state)
+	}
+	if tags != ""{
+		params.Add("tag",tags)
+	}
+
+	stations, err := GetStations(params.Encode())
+	if err != nil{
+		return nil, err
+	}
+	prunedStations := pruneStations(stations) // eliminate stations that are reporting down.
+	return prunedStations, err
+}
+
 

radiomenu.go

@@ -0,0 +1,3 @@
+package main
+
+

stations.go

@@ -15,7 +15,14 @@ func main(){
 		state 	string
 		tags 	string
 	)
-
+	flag.Usage = func() {
+		fmt.Printf("Usage: \n")
+		fmt.Printf(" gostations ")
+		fmt.Printf(" [-n \"name\"]  [-c \"home country\"]  [-s \"home state\"]  [-t \"ordered,tag,list\"]\n")
+		flag.PrintDefaults()
+		fmt.Printf("  -h (or none)\n")
+		fmt.Printf("\tThis help message\n")
+	}
 	flag.StringVar(&name, "n", "", "Station name (or identifier).")
 	flag.StringVar(&country, "c", "", "Home country.")
 	flag.StringVar(&state, "s", "", "Home state (if in the United States).")
@@ -26,12 +33,10 @@ func main(){
 		flag.Usage()
 	}
 
-	stations, err := GetStations("tag=chicago")
-	if err != nil{
-		fmt.Println(err.Error())
-	}
+	stations, _ := StationSearch(name, country, state, tags)
+	fmt.Println(len(stations))
 	for _, station := range stations {
-		fmt.Printf("\"%s\", %s, %s, %s\n", station.Name, station.Codec, station.Bitrate, station.Url)
+		fmt.Printf("%+v\n", station)
 	}