DynamoDB/server/serve/routes.go

83 lines
1.7 KiB
Go

package serve
import (
"io/ioutil"
"local/dynamodb/server/config"
"local/router"
"local/storage"
"log"
"net/http"
"path"
"strings"
)
func (s *Server) Routes() error {
if err := s.router.Add("/"+router.Wildcard, s.SimpleCatchAll); err != nil {
return err
}
if err := s.router.Add("/"+router.Wildcard+"/"+router.Wildcard, s.NSCatchAll); err != nil {
return err
}
return nil
}
func (s *Server) SimpleCatchAll(w http.ResponseWriter, r *http.Request) {
r.URL.Path = path.Join("/"+storage.DefaultNamespace, r.URL.Path)
s.NSCatchAll(w, r)
}
func (s *Server) NSCatchAll(w http.ResponseWriter, r *http.Request) {
foo := http.NotFound
switch strings.ToLower(r.Method) {
case "get":
foo = s.get
case "put":
foo = s.put
case "delete":
foo = s.put
}
foo(w, r)
}
func (s *Server) get(w http.ResponseWriter, r *http.Request) {
db := config.Values().DB
ns := strings.Split(r.URL.Path, "/")[1]
var key string
if len(strings.Split(r.URL.Path, "/")) < 3 {
key = ns
ns = ""
} else {
key = strings.Split(r.URL.Path, "/")[2]
}
if value, err := db.Get(key, ns); err == storage.ErrNotFound {
w.WriteHeader(http.StatusNotFound)
return
} else if err != nil {
log.Println(err)
w.WriteHeader(http.StatusInternalServerError)
return
} else {
w.Write(value)
}
}
func (s *Server) put(w http.ResponseWriter, r *http.Request) {
db := config.Values().DB
ns := strings.Split(r.URL.Path, "/")[1]
key := strings.Split(r.URL.Path, "/")[2]
if r == nil || r.Body == nil {
w.WriteHeader(http.StatusBadRequest)
return
}
value, err := ioutil.ReadAll(r.Body)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
return
}
if err := db.Set(key, value, ns); err != nil {
log.Println(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
}