fetch: merge geolocation types

cmd/fetch/fetch.go

@@ -3,79 +3,68 @@ package main
 import (
 	"encoding/json"
 	"fmt"
-	"io"
 	"log"
 	"net/http"
 	"os"
 )
 
-func main() {
+const UPSTREAM_URL = "https://keyserver.freifunk-franken.de/v2/"
+
+func run() error {
 	var root []root
 
-	err := os.Mkdir("hoods", 0777)
+	err := os.MkdirAll("hoods", 0777)
 	if err != nil {
-		log.Panic(err)
+		return err
 	}
 
-	req, err := http.NewRequest(http.MethodGet, "https://keyserver.freifunk-franken.de/v2/hoods.php", nil)
+	res, err := http.Get(UPSTREAM_URL + "hoods.php")
 	if err != nil {
-		log.Panic(err)
+		return err
 	}
+	defer res.Body.Close()
 
-	res, err := http.DefaultClient.Do(req)
+	err = json.NewDecoder(res.Body).Decode(&root)
 	if err != nil {
-		log.Panic(err)
-	}
-
-	body, err := io.ReadAll(res.Body)
-	if err != nil {
-		log.Panic(err)
-	}
-
-	err = json.Unmarshal(body, &root)
-	if err != nil {
-		log.Panic(err)
+		return err
 	}
 
 	for _, h := range root {
+		res, err := http.Get(fmt.Sprintf("%s/?hoodid=%d", UPSTREAM_URL, h.Id))
+		if err != nil {
+			return err
+		}
+		defer res.Body.Close()
+
 		var hood Hood
-		req, err := http.NewRequest(http.MethodGet, fmt.Sprintf("https://keyserver.freifunk-franken.de/v2/?hoodid=%d", h.Id), nil)
+		err = json.NewDecoder(res.Body).Decode(&hood)
 		if err != nil {
-			log.Panic(err)
-		}
-
-		res, err := http.DefaultClient.Do(req)
-		if err != nil {
-			log.Panic(err)
-		}
-
-		body, err := io.ReadAll(res.Body)
-		if err != nil {
-			log.Panic(err)
-		}
-
-		err = json.Unmarshal(body, &hood)
-		if err != nil {
-			log.Panic(err)
+			return err
 		}
 
 		if len(h.Polygons) == 0 {
-			hood.Location = []HoodCoordinate{{Lat: h.Lat, Long: h.Long}}
+			hood.Location = []GeoCoordinate{{Lat: h.Lat, Long: h.Long}}
 		} else {
-			hood.Location = []HoodCoordinate{}
-			for _, p := range h.Polygons[0] {
-				hood.Location = append(hood.Location, HoodCoordinate{Lat: p.Lat, Long: p.Long})
-			}
+			hood.Location = h.Polygons[0]
 		}
 
 		b, err := json.MarshalIndent(hood, "", "    ")
 		if err != nil {
-			log.Panic(err)
+			return err
 		}
 
 		err = os.WriteFile("hoods/"+hood.HoodInfo.Name+".json", b, 0666)
 		if err != nil {
-			log.Panic(err)
+			return err
 		}
+
+		log.Printf("%s\n", hood.HoodInfo.Name)
+	}
+	return nil
+}
+
+func main() {
+	if err := run(); err != nil {
+		log.Fatal(err)
 	}
 }

cmd/fetch/types.go

@@ -1,16 +1,16 @@
 package main
 
 type root struct {
-	Id       uint                `json:"id"`
-	Active   uint                `json:"active"`
-	Name     string              `json:"name"`
-	Lat      float64             `json:"lat"`
-	Long     float64             `json:"lon"`
-	Polygons [][]InputCoordinate `json:"polygons"`
+	Id       uint              `json:"id"`
+	Active   uint              `json:"active"`
+	Name     string            `json:"name"`
+	Lat      float64           `json:"lat"`
+	Long     float64           `json:"lon"`
+	Polygons [][]GeoCoordinate `json:"polygons"`
 	Hood     Hood
 }
 
-type InputCoordinate struct {
+type GeoCoordinate struct {
 	Lat  float64 `json:"lat"`
 	Long float64 `json:"lon"`
 }
@@ -24,7 +24,7 @@ type Hood struct {
 	// one coordinate: voronoi
 	// two coordinates: invalid
 	// three or more coordinates: polygon
-	Location []HoodCoordinate `json:"location,omitempty"`
+	Location []GeoCoordinate `json:"location,omitempty"`
 }
 
 type HoodNetwork struct {
@@ -58,8 +58,3 @@ type HoodInfo struct {
 	NtpIp       string `json:"ntp_ip"`
 	Timestamp   uint64 `json:"timestamp"`
 }
-
-type HoodCoordinate struct {
-	Lat  float64 `json:"lat"`
-	Long float64 `json:"lon"`
-}