create and moove into new directories for BegushiyBashkir and

yalarbacreate and moove into new directories for BegushiyBashkir and
yalarbacreate and moove into new directories for BegushiyBashkir and
yalarbacreate and moove into new directories for BegushiyBashkir and
yalarbacreate and moove into new directories for BegushiyBashkir and
yalarbacreate and moove into new directories for BegushiyBashkir and
yalarbacreate and moove into new directories for BegushiyBashkir and
yalarbacreate and moove into new directories for BegushiyBashkir and
yalarbacreate and moove into new directories for BegushiyBashkir and
yalarba

main_dc/yalarba/api_tp/internal/utils/oauth_utils.go

@@ -0,0 +1,78 @@
+// utils/oauth_utils.go
+package utils
+
+import (
+	"crypto/rand"
+	"fmt"
+	"api_tp/internal/models"
+
+	"golang.org/x/oauth2"
+	"gorm.io/gorm"
+)
+
+type OAuthHandler struct {
+	DB *gorm.DB
+}
+
+// GenerateState generates a random state string for OAuth
+func GenerateState() string {
+	b := make([]byte, 16)
+	rand.Read(b)
+	return fmt.Sprintf("%x", b)
+}
+
+func (h *OAuthHandler) findOrCreateOAuthUser(provider, providerID, email, name string, token *oauth2.Token) (*models.User, error) {
+	var oauthProvider models.OAuthProvider
+
+	err := h.DB.Where("provider = ? AND provider_id = ?", provider, providerID).
+		Preload("User").
+		First(&oauthProvider).Error
+
+	if err == nil {
+		// Обновляем токены существующей привязки
+		oauthProvider.AccessToken = token.AccessToken
+		oauthProvider.RefreshToken = token.RefreshToken
+		oauthProvider.ExpiresAt = token.Expiry
+		if err := h.DB.Save(&oauthProvider).Error; err != nil {
+			return nil, err
+		}
+
+		var user models.User
+		if err := h.DB.First(&user, oauthProvider.UserID).Error; err != nil {
+			return nil, err
+		}
+		return &user, nil
+	}
+
+	// Ищем пользователя по email
+	var user models.User
+	err = h.DB.Where("email = ?", email).First(&user).Error
+
+	if err != nil {
+		// Создаем нового пользователя
+		user = models.User{
+			Email:    email,
+			Name:     name,
+			Password: GenerateRandomPassword(),
+		}
+		if err := h.DB.Create(&user).Error; err != nil {
+			return nil, err
+		}
+	}
+
+	// Создаем новую привязку OAuth с токенами
+	oauthProvider = models.OAuthProvider{
+		UserID:       user.ID,
+		Provider:     provider,
+		ProviderID:   providerID,
+		AccessToken:  token.AccessToken,
+		RefreshToken: token.RefreshToken,
+		ExpiresAt:    token.Expiry,
+	}
+
+	if err := h.DB.Create(&oauthProvider).Error; err != nil {
+		return nil, err
+	}
+
+	return &user, nil
+}