113 lines
3.3 KiB
Go
113 lines
3.3 KiB
Go
package config
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import (
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"fmt"
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"os"
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"strconv"
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"strings"
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"time"
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"github.com/joho/godotenv"
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)
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// Config centralizes runtime configuration loaded from the environment.
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type Config struct {
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AppName string
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Port string
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DatabaseURL string
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MercadoPagoBaseURL string
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MarketplaceCommission float64
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BuyerFeeRate float64 // Fee rate applied to buyer prices (e.g., 0.12 = 12%)
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JWTSecret string
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JWTExpiresIn time.Duration
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PasswordPepper string
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CORSOrigins []string
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BackendHost string
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SwaggerSchemes []string
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AdminName string
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AdminUsername string
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AdminEmail string
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AdminPassword string
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}
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// Load reads configuration from environment variables and applies sane defaults
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// for local development.
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func Load() Config {
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_ = godotenv.Load() // Load from .env if present
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cfg := Config{
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AppName: getEnv("APP_NAME", "saveinmed-performance-core"),
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Port: getEnv("BACKEND_PORT", "8214"),
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DatabaseURL: getEnv("DATABASE_URL", "postgres://postgres:postgres@localhost:5432/saveinmed?sslmode=disable"),
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MercadoPagoBaseURL: getEnv("MERCADOPAGO_BASE_URL", "https://api.mercadopago.com"),
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MarketplaceCommission: getEnvFloat("MARKETPLACE_COMMISSION", 2.5),
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BuyerFeeRate: getEnvFloat("BUYER_FEE_RATE", 0.12), // 12% invisible fee
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JWTSecret: getEnv("JWT_SECRET", "dev-secret"),
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JWTExpiresIn: getEnvDuration("JWT_EXPIRES_IN", 24*time.Hour),
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PasswordPepper: getEnv("PASSWORD_PEPPER", ""),
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CORSOrigins: getEnvStringSlice("CORS_ORIGINS", []string{"*"}),
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BackendHost: getEnv("BACKEND_HOST", ""),
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SwaggerSchemes: getEnvStringSlice("SWAGGER_SCHEMES", []string{"http"}),
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AdminName: getEnv("ADMIN_NAME", "Administrator"),
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AdminUsername: getEnv("ADMIN_USERNAME", "admin"),
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AdminEmail: getEnv("ADMIN_EMAIL", "admin@saveinmed.com"),
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AdminPassword: getEnv("ADMIN_PASSWORD", "admin123"),
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}
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return cfg
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}
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// Addr returns the address binding for the HTTP server.
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func (c Config) Addr() string {
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return fmt.Sprintf(":%s", c.Port)
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}
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func getEnv(key, fallback string) string {
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if value := os.Getenv(key); value != "" {
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return value
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}
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return fallback
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}
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func getEnvInt(key string, fallback int) int {
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if value := os.Getenv(key); value != "" {
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if parsed, err := strconv.Atoi(value); err == nil {
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return parsed
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}
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}
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return fallback
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}
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func getEnvDuration(key string, fallback time.Duration) time.Duration {
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if value := os.Getenv(key); value != "" {
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if parsed, err := time.ParseDuration(value); err == nil {
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return parsed
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}
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}
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return fallback
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}
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func getEnvFloat(key string, fallback float64) float64 {
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if value := os.Getenv(key); value != "" {
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if parsed, err := strconv.ParseFloat(value, 64); err == nil {
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return parsed
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}
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}
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return fallback
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}
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func getEnvStringSlice(key string, fallback []string) []string {
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if value := os.Getenv(key); value != "" {
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parts := strings.Split(value, ",")
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result := make([]string, 0, len(parts))
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for _, p := range parts {
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if trimmed := strings.TrimSpace(p); trimmed != "" {
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result = append(result, trimmed)
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}
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}
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if len(result) > 0 {
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return result
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}
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}
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return fallback
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}
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