uppdate

backend/config/config.go

@@ -0,0 +1,118 @@
+package config
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+	"time"
+)
+
+type ServerConfig struct {
+	Port            string
+	ReadTimeout     time.Duration
+	WriteTimeout    time.Duration
+	IdleTimeout     time.Duration
+	ShutdownTimeout time.Duration
+}
+
+type Config struct {
+	Server   ServerConfig
+	Database DatabaseConfig
+	App      AppConfig
+}
+
+type DatabaseConfig struct {
+	Host     string
+	Port     string
+	User     string
+	Password string
+	Name     string
+	SSLMode  string
+}
+
+type AppConfig struct {
+	Version     string
+	DemoMode    bool
+	GinMode     string
+	JWTSecret   string
+	CorsOrigins string
+}
+
+func Load() *Config {
+	return &Config{
+		Server: ServerConfig{
+			Port:            getEnvWithDefault("PORT", "8080"),
+			ReadTimeout:     getDurationEnv("READ_TIMEOUT", 15*time.Second),
+			WriteTimeout:    getDurationEnv("WRITE_TIMEOUT", 15*time.Second),
+			IdleTimeout:     getDurationEnv("IDLE_TIMEOUT", 60*time.Second),
+			ShutdownTimeout: getDurationEnv("SHUTDOWN_TIMEOUT", 30*time.Second),
+		},
+		Database: DatabaseConfig{
+			Host:     getEnvWithDefault("DB_HOST", "localhost"),
+			Port:     getEnvWithDefault("DB_PORT", "5432"),
+			User:     getEnvWithDefault("DB_USER", "trackeep"),
+			Password: os.Getenv("DB_PASSWORD"),
+			Name:     getEnvWithDefault("DB_NAME", "trackeep"),
+			SSLMode:  getEnvWithDefault("DB_SSL_MODE", "disable"),
+		},
+		App: AppConfig{
+			Version:     getEnvWithDefault("APP_VERSION", "1.0.0"),
+			DemoMode:    os.Getenv("VITE_DEMO_MODE") == "true",
+			GinMode:     getEnvWithDefault("GIN_MODE", "debug"),
+			JWTSecret:   os.Getenv("JWT_SECRET"),
+			CorsOrigins: getEnvWithDefault("CORS_ALLOWED_ORIGINS", ""),
+		},
+	}
+}
+
+func (c *Config) Validate() error {
+	if c.Database.Password == "" && !c.App.DemoMode {
+		return fmt.Errorf("DB_PASSWORD environment variable is required")
+	}
+
+	if c.App.GinMode == "release" && c.App.CorsOrigins == "" {
+		return fmt.Errorf("CORS_ALLOWED_ORIGINS must be set in production mode")
+	}
+
+	if c.App.GinMode == "release" && c.App.JWTSecret == "" {
+		return fmt.Errorf("JWT_SECRET must be set in production mode")
+	}
+
+	return nil
+}
+
+func (c *Config) DSN() string {
+	return fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%s sslmode=%s",
+		c.Database.Host,
+		c.Database.User,
+		c.Database.Password,
+		c.Database.Name,
+		c.Database.Port,
+		c.Database.SSLMode,
+	)
+}
+
+func getEnvWithDefault(key, defaultValue string) string {
+	if value := os.Getenv(key); value != "" {
+		return value
+	}
+	return defaultValue
+}
+
+func getDurationEnv(key string, defaultValue time.Duration) time.Duration {
+	value := os.Getenv(key)
+	if value == "" {
+		return defaultValue
+	}
+
+	seconds, err := strconv.Atoi(value)
+	if err != nil {
+		duration, err := time.ParseDuration(value)
+		if err != nil {
+			return defaultValue
+		}
+		return duration
+	}
+
+	return time.Duration(seconds) * time.Second
+}