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Loakel Config Datei (config.json) eingebaut und die Parameter der Datei genutzt

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This commit is contained in:
Sven.Schmalle 2019-11-21 12:41:31 +01:00
parent 93d32309e8
commit b47af98017
2 changed files with 39 additions and 10 deletions
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5
config.json Normal file
View File

@ -0,0 +1,5 @@
{
"Host":"http://127.0.0.1",
"Port":"8000",
"IMGPath":"C:\\Fotos"
}

44
main.go
View File

@ -17,19 +17,29 @@ import (
"github.com/gorilla/mux"
)
var imgPath = "C:/Fotos"
var config = readConfig("")
type Configuration struct {
Host string
Port string
IMGPath string
}
// our main function
func main() {
fmt.Println("Host: " + config.Host)
fmt.Println("Post: " + config.Port)
fmt.Println("ImgPath: " + config.IMGPath)
router := mux.NewRouter()
router.HandleFunc("/folder/{foldername:.*}", getFolderContent).Methods("GET")
router.HandleFunc("/qr/{qrlink:.*}", getQRCode).Methods("GET")
router.HandleFunc("/thumb/{imgname:.*}", getThumbNail).Methods("GET")
router.HandleFunc("/imgdl/{imgname:.*}", getImageDownload).Methods("GET")
router.PathPrefix("/img/").Handler(http.StripPrefix("/img/", http.FileServer(http.Dir(imgPath)))).Methods("GET")
router.PathPrefix("/img/").Handler(http.StripPrefix("/img/", http.FileServer(http.Dir(config.IMGPath)))).Methods("GET")
router.PathPrefix("/").Handler(http.FileServer(http.Dir("web"))).Methods("GET")
log.Fatal(http.ListenAndServe(":8000", router))
log.Fatal(http.ListenAndServe(":"+config.Port, router))
}
@ -37,8 +47,8 @@ func getFolderContent(w http.ResponseWriter, r *http.Request) {
params := mux.Vars(r)
pFolder := params["foldername"]
fmt.Println(path.Join(imgPath, pFolder))
files, err := ioutil.ReadDir(path.Join(imgPath, pFolder))
fmt.Println(path.Join(config.IMGPath, pFolder))
files, err := ioutil.ReadDir(path.Join(config.IMGPath, pFolder))
if err != nil {
log.Fatal(err)
}
@ -80,9 +90,9 @@ func getThumbNail(w http.ResponseWriter, r *http.Request) {
pIMGName := params["imgname"]
// Das Thumbnail soll nur generiert werden wenn es noch nicht existiert
if !fileExists(imgPath + "/" + pIMGName + ".thumb.jpg") {
if !fileExists(config.IMGPath + "/" + pIMGName + ".thumb.jpg") {
// Originaldatei öffnen, welche angefragt wird
src, err := imaging.Open(imgPath + "/" + pIMGName)
src, err := imaging.Open(config.IMGPath + "/" + pIMGName)
if err != nil {
log.Fatalf("failed to open image: %v", err)
}
@ -90,7 +100,7 @@ func getThumbNail(w http.ResponseWriter, r *http.Request) {
// Foto auf 200px skalieren
src = imaging.Resize(src, 200, 0, imaging.NearestNeighbor)
err = imaging.Save(src, imgPath+"/"+pIMGName+".thumb.jpg")
err = imaging.Save(src, config.IMGPath+"/"+pIMGName+".thumb.jpg")
if err != nil {
log.Fatalf("failed to save image: %v", err)
}
@ -99,7 +109,7 @@ func getThumbNail(w http.ResponseWriter, r *http.Request) {
png.Encode(w, src)
} else {
src, err := imaging.Open(imgPath + "/" + pIMGName + ".thumb.jpg")
src, err := imaging.Open(config.IMGPath + "/" + pIMGName + ".thumb.jpg")
if err != nil {
log.Fatalf("failed to open image: %v", err)
}
@ -116,7 +126,7 @@ func getImageDownload(w http.ResponseWriter, r *http.Request) {
pIMGName := params["imgname"]
// Originaldatei öffnen, welche angefragt wird
src, err := imaging.Open(imgPath + "/" + pIMGName)
src, err := imaging.Open(config.IMGPath + "/" + pIMGName)
if err != nil {
log.Fatalf("failed to open image: %v", err)
}
@ -138,3 +148,17 @@ func fileExists(filename string) bool {
}
return !info.IsDir()
}
func readConfig(filename string) *Configuration {
// initialize conf with default values.
conf := &Configuration{Host: "http://127.0.0.1", Port: "8000", IMGPath: "C:\\Fotos"}
b, err := ioutil.ReadFile("./config.json")
if err != nil {
return conf
}
if err = json.Unmarshal(b, conf); err != nil {
return conf
}
return conf
}