84 lines
1.6 KiB
Go
84 lines
1.6 KiB
Go
|
package handler
|
||
|
|
|
||
|
|
import (
|
||
|
|
"bytes"
|
||
|
|
"encoding/json"
|
||
|
|
"io/ioutil"
|
||
|
|
"log"
|
||
|
|
"net/http"
|
||
|
|
|
||
|
|
def "git.pbiernat.dev/egommerce/application/services/identity/internal/app/definition"
|
||
|
|
"github.com/gorilla/mux"
|
||
|
|
"github.com/jackc/pgx/v4/pgxpool"
|
||
|
|
)
|
||
|
|
|
||
|
|
type Env struct {
|
||
|
|
Addr string
|
||
|
|
DB *pgxpool.Pool
|
||
|
|
}
|
||
|
|
|
||
|
|
type Handler struct {
|
||
|
|
*Env
|
||
|
|
Handle HandlerFunc
|
||
|
|
Request interface{}
|
||
|
|
Response interface{}
|
||
|
|
Params Set
|
||
|
|
}
|
||
|
|
|
||
|
|
type HandlerFunc func(h *Handler, w http.ResponseWriter) (interface{}, int, error)
|
||
|
|
|
||
|
|
type Set map[string]string
|
||
|
|
|
||
|
|
type response struct {
|
||
|
|
Status int
|
||
|
|
Data interface{}
|
||
|
|
}
|
||
|
|
|
||
|
|
func Init(e *Env, h *Handler) *Handler {
|
||
|
|
// return &Handler{e, h.Handle, h.Request, h.Response, Set{}}
|
||
|
|
h.Env = e
|
||
|
|
|
||
|
|
return h
|
||
|
|
}
|
||
|
|
|
||
|
|
func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
||
|
|
if err := decodeRequestData(r, h.Request); err != nil {
|
||
|
|
log.Println("Decode request data error:", err.Error())
|
||
|
|
|
||
|
|
w.WriteHeader(http.StatusInternalServerError)
|
||
|
|
}
|
||
|
|
|
||
|
|
h.Params = mux.Vars(r)
|
||
|
|
res, code, err := h.Handle(h, w)
|
||
|
|
|
||
|
|
encodeResponse(w, &response{code, res}, err)
|
||
|
|
}
|
||
|
|
|
||
|
|
func decodeRequestData(r *http.Request, v interface{}) error {
|
||
|
|
buf, _ := ioutil.ReadAll(r.Body)
|
||
|
|
rdr := ioutil.NopCloser(bytes.NewReader(buf))
|
||
|
|
r.Body = ioutil.NopCloser(bytes.NewReader(buf))
|
||
|
|
|
||
|
|
json.NewDecoder(rdr).Decode(&v)
|
||
|
|
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func encodeResponse(w http.ResponseWriter, res *response, err error) {
|
||
|
|
if err != nil {
|
||
|
|
encodeError(w, res.Status, err)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
w.WriteHeader(res.Status)
|
||
|
|
if res.Data != nil {
|
||
|
|
json.NewEncoder(w).Encode(res.Data)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func encodeError(w http.ResponseWriter, status int, e error) {
|
||
|
|
w.WriteHeader(status)
|
||
|
|
|
||
|
|
json.NewEncoder(w).Encode(def.Error(e.Error()))
|
||
|
|
}
|