/
main.go
65 lines (57 loc) · 1.41 KB
/
main.go
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package main
import (
"log"
"net/http"
"os"
"github.com/shiraily/gcal-sync/calendar"
)
func main() {
http.HandleFunc("/notify", OnNotify)
http.HandleFunc("/renew", OnRenew)
port := os.Getenv("PORT")
if port == "" {
port = "3000"
log.Printf("Defaulting to port %s", port)
}
log.Printf("Listening on port %s", port)
if err := http.ListenAndServe(":"+port, nil); err != nil {
log.Fatal(err)
}
}
func OnNotify(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "text/plain")
cli := calendar.NewClient()
defer cli.Close()
log.Printf("channelId=%s, resourceId=%s", r.Header["X-Goog-Channel-Id"], r.Header["X-Goog-Resource-Id"])
var err error
if len(r.Header["X-Goog-Resource-State"]) > 0 && r.Header["X-Goog-Resource-State"][0] == "exists" {
err = cli.Sync()
} else {
// initial
err = cli.SyncInitial()
}
if err != nil {
log.Printf("debug error: %s", err)
w.WriteHeader(http.StatusInternalServerError)
} else {
w.WriteHeader(http.StatusOK)
}
if _, err := w.Write([]byte("")); err != nil {
log.Fatal(err)
return
}
}
func OnRenew(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "text/plain")
cli := calendar.NewClient()
defer cli.Close()
channelId, err := cli.RenewWatch()
if err != nil {
log.Fatalf("Renew watch: %s", err)
} else {
w.WriteHeader(http.StatusOK)
}
if _, err := w.Write([]byte(channelId)); err != nil {
log.Fatal(err)
}
}