website/config/config.go

package config

import (
	"log"
	"os"
	"strings"

	"git.phc.dm.unipi.it/phc/website/util"
	"github.com/joho/godotenv"
)

var Mode string
var Host string

var GitUrl string
var ChatUrl string
var Email string

var UserPagesBaseUrl string

var AuthServiceHost string

func loadEnv(target *string, name, defaultValue string) {
	value := os.Getenv(name)
	if len(strings.TrimSpace(value)) == 0 {
		*target = defaultValue
	} else {
		*target = value
	}

	log.Printf("%s = %v", name, *target)
}

func Load() {
	if err := godotenv.Load(); err != nil {
		panic(err)
	}

	log.SetFlags(log.Ldate | log.Ltime | log.Lshortfile)

	// Production
	loadEnv(&Mode, "MODE", "production")
	loadEnv(&Host, "HOST", ":8080")

	// Services
	loadEnv(&GitUrl, "GIT_URL", "https://git.example.org")
	loadEnv(&ChatUrl, "CHAT_URL", "https://chat.example.org")
	loadEnv(&Email, "EMAIL", "mail@example.org")

	// Poisson
	loadEnv(&UserPagesBaseUrl, "USER_PAGES_BASE_URL", "https://poisson.phc.dm.unipi.it/~")

	// AuthService
	loadEnv(&AuthServiceHost, "AUTH_SERVICE_HOST", "http://localhost:3535")
}

func Object() util.Map {
	return util.Map{
		"Mode": Mode,
		"Host": Host,

		"GitUrl":  GitUrl,
		"ChatUrl": ChatUrl,
		"Email":   Email,

		"UserPagesBaseUrl": UserPagesBaseUrl,

		"AuthServiceHost": AuthServiceHost,
	}
}