/
hello.go
32 lines (28 loc) · 918 Bytes
/
hello.go
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package hello
import (
"fmt"
"net/http"
"google.golang.org/appengine"
"google.golang.org/appengine/log"
"google.golang.org/appengine/memcache"
"google.golang.org/appengine/user"
)
func init() {
http.Handle("/favicon.ico", http.NotFoundHandler())
http.HandleFunc("/", handler)
}
func handler(res http.ResponseWriter, req *http.Request) {
ctx := appengine.NewContext(req)
globalCounter, err := memcache.Increment(ctx, "globalCounter", 1, 0)
if err != nil {
http.Error(res, "Server Error", http.StatusInternalServerError)
log.Errorf(ctx, err.Error())
}
currentUser := user.Current(ctx)
userCounter, err := memcache.Increment(ctx, currentUser.Email+"-Counter", 1, 0)
if err != nil {
http.Error(res, "Server Error", http.StatusInternalServerError)
log.Errorf(ctx, err.Error())
}
fmt.Fprintf(res, "Hello World! You are visitor #%d, and you have visited %d times!", globalCounter, userCounter)
}