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package main
import (
"embed"
"encoding/json"
"log"
"net/http"
"os"
"github.com/gorilla/mux"
)
//go:embed *.js
//go:embed *.html
var content embed.FS
func handleEntryOptions(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS")
w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
w.WriteHeader(http.StatusNoContent)
}
func handleEntryPost(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS")
w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
var entry Entry
err := json.NewDecoder(r.Body).Decode(&entry)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
err = InsertEntry(&entry)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
log.Println("New entry for", entry.Location)
}
func handleRequests() {
router := mux.NewRouter()
router.HandleFunc("/entry", handleEntryPost).Methods("POST")
router.HandleFunc("/entry", handleEntryOptions).Methods("OPTIONS")
router.PathPrefix("/").Handler(http.FileServer(http.FS(content)))
log.Fatal(http.ListenAndServe(configure(), router))
}
func configure() string {
at := os.Getenv("STATSAT")
if at == "" {
log.Println("Defaulting to STATSAT=:8080")
at = ":8080"
}
return at
}
func main() {
log.Println("Starting up")
InitEntries()
defer CloseEntries()
handleRequests()
}
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