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login_controller.go
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/
login_controller.go
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package controller
import (
"encoding/json"
"io/ioutil"
"log"
"net/http"
"time"
"github.com/gold-kou/ToeBeans/backend/app/lib"
"github.com/gold-kou/ToeBeans/backend/app/adapter/mysql"
"github.com/gold-kou/ToeBeans/backend/app/domain/repository"
"github.com/gold-kou/ToeBeans/backend/app/application/usecase"
"github.com/gold-kou/ToeBeans/backend/app/adapter/http/helper"
model "github.com/gold-kou/ToeBeans/backend/app/domain/model/http"
)
func LoginController(w http.ResponseWriter, r *http.Request) {
switch r.Method {
case http.MethodPost:
idToken, err := login(r)
switch err := err.(type) {
case nil:
expiration := time.Now().Add(lib.TokenExpirationHour * time.Hour)
cookie := &http.Cookie{
Name: helper.CookieIDToken,
Value: idToken,
Expires: expiration,
HttpOnly: true,
Secure: false,
}
http.SetCookie(w, cookie)
w.Header().Set(helper.HeaderKeyContentType, helper.HeaderValueApplicationJSON)
w.WriteHeader(http.StatusOK)
resp := model.Token{
IdToken: idToken,
}
if err := json.NewEncoder(w).Encode(resp); err != nil {
panic(err.Error())
}
case *helper.BadRequestError:
helper.ResponseBadRequest(w, err.Error())
case *helper.AuthorizationError:
helper.ResponseUnauthorized(w, err.Error())
case *helper.ForbiddenError:
helper.ResponseForbidden(w, err.Error())
case *helper.InternalServerError:
helper.ResponseInternalServerError(w, err.Error())
default:
helper.ResponseInternalServerError(w, err.Error())
}
default:
methods := []string{http.MethodPost}
helper.ResponseNotAllowedMethod(w, errMsgNotAllowedMethod, methods)
}
}
func login(r *http.Request) (idToken string, err error) {
// get request parameter
var reqLogin *model.RequestLogin
b, err := ioutil.ReadAll(r.Body)
if err != nil {
log.Println(err)
return "", helper.NewBadRequestError(err.Error())
}
defer r.Body.Close()
if err = json.Unmarshal(b, &reqLogin); err != nil {
log.Println(err)
return "", helper.NewBadRequestError(err.Error())
}
// validation check
err = reqLogin.ValidateParam()
if err != nil {
log.Println(err)
return "", helper.NewBadRequestError(err.Error())
}
// db connect
db, err := mysql.NewDB()
if err != nil {
log.Println(err)
return "", helper.NewInternalServerError(err.Error())
}
defer db.Close()
tx := mysql.NewDBTransaction(db)
// repository
userRepo := repository.NewUserRepository(db)
// UseCase
l := usecase.NewLogin(r.Context(), tx, reqLogin, userRepo)
if idToken, err = l.LoginUseCase(); err != nil {
log.Println(err)
if err == repository.ErrNotExistsData || err == usecase.ErrNotCorrectPassword {
return "", helper.NewBadRequestError(errMsgWrongUserNameOrPassword)
}
if err == usecase.ErrNotVerifiedUser {
return "", helper.NewForbiddenError(err.Error())
}
return "", helper.NewInternalServerError(err.Error())
}
return
}