dorfylegends/backend/main.go
2022-04-15 14:46:51 +00:00

133 lines
4.3 KiB
Go

package main
import (
"embed"
"flag"
"fmt"
"io/fs"
"net/http"
_ "net/http/pprof"
"os"
"runtime"
"github.com/gorilla/mux"
"github.com/pkg/profile"
"github.com/robertjanetzko/LegendsBrowser2/backend/model"
"github.com/robertjanetzko/LegendsBrowser2/backend/server"
)
var world *model.DfWorld
//go:embed resources/frontend
var frontend embed.FS
func main() {
f := flag.String("f", "", "open a file")
flag.Parse()
router := mux.NewRouter().StrictSlash(true)
if len(*f) > 0 {
defer profile.Start(profile.MemProfile).Stop()
go func() {
http.ListenAndServe(":8081", nil)
}()
w, err := model.Parse(*f)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
world = w
fmt.Println("Hallo Welt!")
runtime.GC()
// world.Process()
// model.ListOtherElements("world", &[]*model.World{&world})
// model.ListOtherElements("region", &world.Regions)
// model.ListOtherElements("underground regions", &world.UndergroundRegions)
// model.ListOtherElements("landmasses", &world.Landmasses)
// model.ListOtherElements("sites", &world.Sites)
// model.ListOtherElements("world constructions", &world.WorldConstructions)
// model.ListOtherElements("artifacts", &world.Artifacts)
// model.ListOtherElements("entities", &world.Entities)
// model.ListOtherElements("hf", &world.HistoricalFigures)
// model.ListOtherElements("events", &world.HistoricalEvents)
// model.ListOtherElements("collections", &world.HistoricalEventCollections)
// model.ListOtherElements("era", &world.HistoricalEras)
// model.ListOtherElements("danceForm", &world.DanceForms)
// model.ListOtherElements("musicalForm", &world.MusicalForms)
// model.ListOtherElements("poeticForm", &world.PoeticForms)
// model.ListOtherElements("written", &world.WrittenContents)
server.RegisterResource(router, "region", world.Regions)
// server.RegisterResource(router, "undergroundRegion", world.UndergroundRegions)
server.RegisterResource(router, "landmass", world.Landmasses)
server.RegisterResource(router, "site", world.Sites)
server.RegisterResource(router, "worldConstruction", world.WorldConstructions)
server.RegisterResource(router, "artifact", world.Artifacts)
server.RegisterResource(router, "hf", world.HistoricalFigures)
server.RegisterResource(router, "collection", world.HistoricalEventCollections)
server.RegisterResource(router, "entity", world.Entities)
server.RegisterResource(router, "event", world.HistoricalEvents)
// server.RegisterResource(router, "era", world.HistoricalEras)
server.RegisterResource(router, "danceForm", world.DanceForms)
server.RegisterResource(router, "musicalForm", world.MusicalForms)
server.RegisterResource(router, "poeticForm", world.PoeticForms)
// server.RegisterResource(router, "written", world.WrittenContents)
}
spa := spaHandler{staticFS: frontend, staticPath: "resources/frontend", indexPath: "index.html"}
router.PathPrefix("/").Handler(spa)
fmt.Println("Serving at :8080")
http.ListenAndServe(":8080", router)
}
type spaHandler struct {
staticFS embed.FS
staticPath string
indexPath string
}
func (h spaHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
// get the absolute path to prevent directory traversal
path := r.URL.Path
// if err != nil {
// // if we failed to get the absolute path respond with a 400 bad request and stop
// http.Error(w, err.Error(), http.StatusBadRequest)
// return
// }
// prepend the path with the path to the static directory
path = h.staticPath + path
fmt.Println(path)
_, err := h.staticFS.Open(path)
if os.IsNotExist(err) {
// file does not exist, serve index.html
fmt.Println(path)
index, err := h.staticFS.ReadFile(h.staticPath + "/" + h.indexPath)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.WriteHeader(http.StatusAccepted)
w.Write(index)
return
} else if err != nil {
// if we got an error (that wasn't that the file doesn't exist) stating the
// file, return a 500 internal server error and stop
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// get the subdirectory of the static dir
statics, err := fs.Sub(h.staticFS, h.staticPath)
// otherwise, use http.FileServer to serve the static dir
http.FileServer(http.FS(statics)).ServeHTTP(w, r)
}