Implement yookassa client

internal/api/user/user_handler.go

@@ -2,8 +2,6 @@ package user
 
 import (
 	"encoding/json"
-	"errors"
-	"log/slog"
 	"net/http"
 	"time"
 
@@ -12,6 +10,7 @@ import (
 	"go.uber.org/fx"
 	"golang.org/x/crypto/bcrypt"
 
+	"payouts/internal/api/common"
 	"payouts/internal/config"
 	"payouts/internal/models"
 	"payouts/internal/service/cache"
@@ -52,28 +51,21 @@ func NewUserHandler(p Params) (Handler, error) {
 func (u *userHandler) UserRegister(w http.ResponseWriter, r *http.Request) {
 	defer r.Body.Close()
 
-	errResponse := func(message string, err error, status int) {
-		http.Error(w, errors.Join(errors.New(message), err).Error(), status)
-	}
-
 	user := models.UserRegister{}
 	err := json.NewDecoder(r.Body).Decode(&user)
 	if err != nil {
-		slog.Error("Failed to get password hash", slog.String("error", err.Error()))
-		errResponse("failed to decode request body", err, http.StatusBadRequest)
+		common.ErrorResponse(w, "failed to decode request body", err, http.StatusBadRequest)
 		return
 	}
 
 	if user.Passwd != user.PasswdCfm || len(user.Passwd) == 0 || len(user.Phone) == 0 || len(user.TIN) == 0 {
-		slog.Error("No required parameters passed")
-		errResponse("invalid parameters", nil, http.StatusBadRequest)
+		common.ErrorResponse(w, "invalid parameters", nil, http.StatusBadRequest)
 		return
 	}
 
 	hashedPassword, err := bcrypt.GenerateFromPassword([]byte(user.Passwd), bcrypt.DefaultCost)
 	if err != nil {
-		slog.Error("Failed to get password hash", slog.String("error", err.Error()))
-		errResponse("internal error", nil, http.StatusInternalServerError)
+		common.ErrorResponse(w, "internal error", nil, http.StatusInternalServerError, common.Reason("failed to get password hash: %v", err))
 		return
 	}
 	user.PasswdHash = string(hashedPassword)
@@ -84,8 +76,7 @@ func (u *userHandler) UserRegister(w http.ResponseWriter, r *http.Request) {
 	// todo: add data validation
 	err = u.dbService.CreateUser(&ormUser, database.WithContext(r.Context()))
 	if err != nil {
-		slog.Error("Failed to create user", slog.String("error", err.Error()))
-		errResponse("failed to create user", err, http.StatusBadRequest)
+		common.ErrorResponse(w, "failed to create user", err, http.StatusBadRequest)
 		return
 	}
 
@@ -96,33 +87,27 @@ func (u *userHandler) UserRegister(w http.ResponseWriter, r *http.Request) {
 func (u *userHandler) UserLogin(w http.ResponseWriter, r *http.Request) {
 	defer r.Body.Close()
 
-	errResponse := func(message string, err error, status int) {
-		w.Header().Set("Content-Type", "text/plain")
-		http.Error(w, errors.Join(errors.New(message), err).Error(), status)
-	}
-
 	user := models.UserLoginReq{}
 	err := json.NewDecoder(r.Body).Decode(&user)
 	if err != nil {
-		errResponse("failed to decode request body", err, http.StatusBadRequest)
+		common.ErrorResponse(w, "failed to decode request body", err, http.StatusBadRequest)
 		return
 	}
 
 	if len(user.Phone) == 0 || len(user.Passwd) == 0 {
-		slog.Error("No required parameters passed")
-		errResponse("invalid parameters", nil, http.StatusBadRequest)
+		common.ErrorResponse(w, "invalid parameters", nil, http.StatusBadRequest, common.Reason("no user or password passed"))
 		return
 	}
 
 	ormUser, err := u.dbService.GetUser(&orm.User{Phone: user.Phone}, database.WithContext(r.Context()))
 	if err != nil {
-		errResponse("invalid credentials", nil, http.StatusUnauthorized)
+		common.ErrorResponse(w, "invalid credentials", nil, http.StatusUnauthorized, common.Reason("no user found by number %s", user.Phone))
 		return
 	}
 
 	err = bcrypt.CompareHashAndPassword([]byte(ormUser.PasswdHash), []byte(user.Passwd))
 	if err != nil {
-		errResponse("invalid credentials", nil, http.StatusUnauthorized)
+		common.ErrorResponse(w, "invalid credentials", nil, http.StatusUnauthorized, common.Reason("password does not match"))
 		return
 	}
 
@@ -138,7 +123,7 @@ func (u *userHandler) UserLogin(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/json")
 	err = json.NewEncoder(w).Encode(resp)
 	if err != nil {
-		errResponse("failed to encode response", err, http.StatusInternalServerError)
+		common.ErrorResponse(w, "failed to encode response", err, http.StatusInternalServerError)
 		return
 	}
 }