vanity-tester-backend-go/cmd/vanity-tester-backend/config.go

package main

import (
	"encoding/json"
	"os"
)

type HTTPServer struct {
	Port string `json:"port"`
	Addr string `json:"addr"`
}

type Redis struct {
	Addr string `json:"addr"`
	DB   int    `json:"db"`
}

type GqlConfig struct {
	ClientID string `json:"clientId"`
}

type Config struct {
	HTTPServer HTTPServer `json:"http_server"`
	Redis      Redis      `json:"redis"`
	Gql        GqlConfig  `json:"gql"`
	DbPath     string     `json:"dbpath"`
}

func loadConfig(configPath string) Config {
	// Default config in case a value is missing in the config file
	var config = Config{
		HTTPServer: HTTPServer{
			Addr: "127.0.0.1",
			Port: "8080",
		},
		Redis: Redis{
			Addr: "127.0.0.1:6379",
			DB:   0,
		},
		Gql: GqlConfig{
			ClientID: "ue6666qo983tsx6so1t0vnawi233wa",
		},
		DbPath: "./database.sqlite3",
	}

	file, err := os.ReadFile(configPath)
	if err != nil {
		logger.Error().Msg("Failed to read config file. The default config will be used")
		return config
	}

	err = json.Unmarshal(file, &config)
	if err != nil {
		logger.Error().Msg("Failed to parse config file. The default config will be used")
		return config
	}

	return config
}