feat: setup config (viper =)), jwt settings && session struct

config/config.go

@@ -0,0 +1,33 @@
+package config
+
+type Config struct {
+	Server Server `mapstructure:"server"`
+	JWT    JWT    `mapstructure:"jwt"`
+	DB     DB     `mapstructure:"db"`
+	Redis  Redis  `mapstructure:"redis"`
+}
+
+type Server struct {
+	Host string `mapstructure:"host"`
+	Port int    `mapstructure:"port"`
+}
+
+type DB struct {
+	User   string `mapstructure:"user"`
+	Pass   string `mapstructure:"pass"`
+	Host   string `mapstructure:"host"`
+	Port   int    `mapstructure:"port"`
+	DBName string `mapstructure:"db_name"`
+}
+
+type Redis struct {
+	Host string `mapstructure:"host"`
+	Port int    `mapstructure:"port"`
+	Pass string `mapstructure:"pass"`
+}
+
+type JWT struct {
+	TokenExpMinutes        uint   `mapstructure:"token_exp_minutes"`
+	RefreshTokenExpMinutes uint   `mapstructure:"refresh_token_exp_minutes"`
+	TokenSecret            string `mapstructure:"token_secret"`
+}

config/read.go

@@ -0,0 +1,51 @@
+package config
+
+import (
+	"path/filepath"
+
+	"github.com/spf13/viper"
+)
+
+func ReadGeneric[T any](cfgPath string) (T, error) {
+	var cfg T
+	fullAbsPath, err := absPath(cfgPath)
+	if err != nil {
+		return cfg, err
+	}
+
+	// configPath := filepath.Dir(fullAbsPath)
+	// viper.AddConfigPath(configPath)
+	// configType := strings.TrimPrefix(filepath.Ext(fullAbsPath), ".")
+	// viper.SetConfigType(configType)
+	// configFile := strings.TrimSuffix(filepath.Base(fullAbsPath), filepath.Ext(fullAbsPath))
+	// viper.SetConfigName(configFile)
+
+	viper.SetConfigFile(fullAbsPath)
+
+	viper.AutomaticEnv()
+
+	if err := viper.ReadInConfig(); err != nil {
+		return cfg, err
+	}
+
+	return cfg, viper.Unmarshal(&cfg)
+}
+
+func ReadStandard(cfgPath string) (Config, error) {
+	return ReadGeneric[Config](cfgPath)
+}
+
+func absPath(cfgPath string) (string, error) {
+	if !filepath.IsAbs(cfgPath) {
+		return filepath.Abs(cfgPath)
+	}
+	return cfgPath, nil
+}
+
+func MustReadStandard(configPath string) Config {
+	cfg, err := ReadStandard(configPath)
+	if err != nil {
+		panic(err)
+	}
+	return cfg
+}