umstellung auf Service und Repository Verwendung - WIP

kontor-gin/internal/config/config.go

@@ -0,0 +1,32 @@
+package config
+
+import (
+	"fmt"
+	"log/slog"
+	"strings"
+
+	"github.com/spf13/viper"
+)
+
+func InitConfig() error {
+	viper.SetConfigName("kontor-gin")
+	viper.SetConfigType("yaml")
+	viper.AddConfigPath(".")
+	viper.AddConfigPath("$HOME/.config")
+	viper.AddConfigPath("/etc/kontor")
+	viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
+	viper.AutomaticEnv()
+
+	// Read the config file
+	if err := viper.ReadInConfig(); err != nil {
+		// Handle the case where config file is not found
+		if _, ok := err.(viper.ConfigFileNotFoundError); ok {
+			slog.Info("No config file found, using defaults")
+			return nil
+		}
+		return fmt.Errorf("error reading config file: %w", err)
+	}
+
+	slog.Info("initConfig", "Using config file: ", viper.ConfigFileUsed())
+	return nil
+}

kontor-gin/internal/config/database.go

@@ -0,0 +1,35 @@
+package config
+
+import (
+	"gorm.io/driver/postgres"
+	"gorm.io/gorm"
+	"gorm.io/gorm/logger"
+)
+
+func NewDB(dsn string) (*gorm.DB, error) {
+	// Configure GORM with custom settings
+	// The logger helps with debugging SQL queries during development
+	return gorm.Open(postgres.Open(dsn), &gorm.Config{
+		Logger: logger.Default.LogMode(logger.Info),
+	})
+	// if err != nil {
+	// 	log.Fatal("Failed to connect to database:", err)
+	// }
+
+	// // Get the underlying SQL database connection for pool configuration
+	// sqlDB, err := db.DB()
+	// if err != nil {
+	// 	log.Fatal("Failed to get database instance:", err)
+	// }
+
+	// // Configure connection pool settings
+	// // MaxIdleConns: number of connections kept open when idle
+	// sqlDB.SetMaxIdleConns(10)
+	// // MaxOpenConns: maximum total connections to the database
+	// sqlDB.SetMaxOpenConns(100)
+	// // ConnMaxLifetime: how long a connection can be reused
+	// sqlDB.SetConnMaxLifetime(time.Hour)
+
+	// slog.Info("Database connected successfully")
+
+}