refactor: remove empty services (#116)

* remove empty services

* remove old factory

* remove old static files

* cleanup more duplicate service code

* file/folder reorg

backend/internal/sys/config/conf.go

@@ -0,0 +1,76 @@
+package config
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+
+	"github.com/ardanlabs/conf/v2"
+
+	"os"
+)
+
+const (
+	ModeDevelopment = "development"
+	ModeProduction  = "production"
+)
+
+type Config struct {
+	Mode              string      `yaml:"mode" conf:"default:development"` // development or production
+	Web               WebConfig   `yaml:"web"`
+	Storage           Storage     `yaml:"storage"`
+	Log               LoggerConf  `yaml:"logger"`
+	Mailer            MailerConf  `yaml:"mailer"`
+	Swagger           SwaggerConf `yaml:"swagger"`
+	Demo              bool        `yaml:"demo"`
+	AllowRegistration bool        `yaml:"disable_registration" conf:"default:true"`
+	Debug             DebugConf   `yaml:"debug"`
+}
+
+type DebugConf struct {
+	Enabled bool   `yaml:"enabled" conf:"default:false"`
+	Port    string `yaml:"port" conf:"default:4000"`
+}
+
+type SwaggerConf struct {
+	Host   string `yaml:"host" conf:"default:localhost:7745"`
+	Scheme string `yaml:"scheme" conf:"default:http"`
+}
+
+type WebConfig struct {
+	Port          string `yaml:"port" conf:"default:7745"`
+	Host          string `yaml:"host"`
+	MaxUploadSize int64  `yaml:"max_file_upload" conf:"default:10"`
+}
+
+// New parses the CLI/Config file and returns a Config struct. If the file argument is an empty string, the
+// file is not read. If the file is not empty, the file is read and the Config struct is returned.
+func New() (*Config, error) {
+	var cfg Config
+	const prefix = "HBOX"
+
+	help, err := conf.Parse(prefix, &cfg)
+
+	if err != nil {
+		if errors.Is(err, conf.ErrHelpWanted) {
+			fmt.Println(help)
+			os.Exit(0)
+		}
+		return &cfg, fmt.Errorf("parsing config: %w", err)
+	}
+
+	return &cfg, nil
+}
+
+// Print prints the configuration to stdout as a json indented string
+// This is useful for debugging. If the marshaller errors out, it will panic.
+func (c *Config) Print() {
+	res, err := json.MarshalIndent(c, "", "  ")
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(string(res))
+
+}