Feat: add login

handlers/auth/postLogin.go

@@ -0,0 +1,73 @@
+package auth
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+	"time"
+
+	"gitea.konchin.com/go2025/backend/middlewares"
+	"gitea.konchin.com/go2025/backend/utils"
+	"github.com/spf13/viper"
+	"github.com/uptrace/bunrouter"
+)
+
+type postLoginInput struct {
+	Token string `json:"token"`
+}
+
+// PostLogin
+//
+//	@param		payload	body		postLoginInput	true	"payload"
+//	@success	302		{object}	string			"redirect to root page"
+//	@router		/auth/login [post]
+func (self *Handlers) PostLogin(
+	w http.ResponseWriter, req bunrouter.Request,
+) error {
+	ctx := req.Context()
+
+	b, err := io.ReadAll(req.Body)
+	if err != nil {
+		return middlewares.HTTPError{
+			StatusCode:  http.StatusBadRequest,
+			Message:     "failed to read payload",
+			OriginError: err,
+		}
+	}
+
+	var input postLoginInput
+	if err := json.Unmarshal(b, &input); err != nil {
+		return middlewares.HTTPError{
+			StatusCode:  http.StatusBadRequest,
+			Message:     "failed to unmarshal json",
+			OriginError: err,
+		}
+	}
+
+	session, err := self.db.GetSession(ctx, input.Token)
+	if err != nil {
+		return middlewares.HTTPError{
+			StatusCode:  http.StatusUnauthorized,
+			Message:     "session not found",
+			OriginError: err,
+		}
+	}
+
+	session, err = self.db.UpdateRefreshToken(ctx, session.UserId)
+	if err != nil {
+		return middlewares.HTTPError{
+			StatusCode:  http.StatusInternalServerError,
+			Message:     "failed to update refresh token",
+			OriginError: err,
+		}
+	}
+
+	http.SetCookie(w, &http.Cookie{
+		Name:  "refresh_token",
+		Value: session.RefreshToken,
+		Expires: time.Now().Add(time.Duration(
+			viper.GetInt64("REFRESH_TOKEN_TIMEOUT")) * time.Second),
+	})
+
+	return utils.Success(w)
+}