rename long name to short name

main_dc/api_tp/pkg/database/postgres.go

@@ -0,0 +1,38 @@
+package database
+
+import (
+    "fmt"
+    "log"
+    "api_tp/internal/config"
+    "api_tp/internal/models"
+
+    "gorm.io/driver/postgres"
+    "gorm.io/gorm"
+)
+
+func NewPostgresConnection(cfg *config.Config) (*gorm.DB, error) {
+    dsn := fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%s sslmode=disable TimeZone=UTC",
+        cfg.DBHost, cfg.DBUser, cfg.DBPassword, cfg.DBName, cfg.DBPort)
+
+    db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{})
+    if err != nil {
+        return nil, fmt.Errorf("failed to connect to database: %w", err)
+    }
+
+    // Автомиграция
+    if err := autoMigrate(db); err != nil {
+        return nil, err
+    }
+
+    log.Println("Successfully connected to database")
+    return db, nil
+}
+
+func autoMigrate(db *gorm.DB) error {
+    // автоматические миграции GORM
+    return db.AutoMigrate(
+        &models.User{},
+        &models.OAuthProvider{},
+        // другие модели...
+    )
+}