modified: internal/model/user.go

new file:   internal/utils/jwt.go
Add jwt utils

serv_golang_rest_api/internal/model/user.go

@@ -15,6 +15,8 @@ type User struct {
 	Name     string `json:"name" gorm:"size:100;not null"`
 	Email    string `json:"email" gorm:"size:255;uniqueIndex;not null"`
 	Password string `json:"-" gorm:"size:255;not null"` // Пароль не возвращаем в JSON
+	// OAuth провайдеры
+	OAuthProviders []OAuthProvider `json:"-"`
 }
 
 type CreateUserRequest struct {

serv_golang_rest_api/internal/utils/jwt.go

@@ -0,0 +1,49 @@
+// utils/jwt.go
+package utils
+
+import (
+    "time"
+    "github.com/golang-jwt/jwt/v4"
+)
+
+var jwtSecret = []byte("your-secret-key") // вынеси в env variables
+
+type Claims struct {
+    UserID uint `json:"user_id"`
+    Email  string `json:"email"`
+    jwt.RegisteredClaims
+}
+
+func GenerateJWT(userID uint, email string) (string, error) {
+    expirationTime := time.Now().Add(24 * time.Hour)
+    
+    claims := &Claims{
+        UserID: userID,
+        Email:  email,
+        RegisteredClaims: jwt.RegisteredClaims{
+            ExpiresAt: jwt.NewNumericDate(expirationTime),
+            IssuedAt:  jwt.NewNumericDate(time.Now()),
+        },
+    }
+    
+    token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+    return token.SignedString(jwtSecret)
+}
+
+func ValidateJWT(tokenString string) (*Claims, error) {
+    claims := &Claims{}
+    
+    token, err := jwt.ParseWithClaims(tokenString, claims, func(token *jwt.Token) (interface{}, error) {
+        return jwtSecret, nil
+    })
+    
+    if err != nil {
+        return nil, err
+    }
+    
+    if !token.Valid {
+        return nil, jwt.ErrSignatureInvalid
+    }
+    
+    return claims, nil
+}