v5.0 cleanup

api/config/config.go

@@ -0,0 +1,60 @@
+package config
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/ngn13/website/api/util"
+)
+
+type Option struct {
+	Name     string
+	Value    string
+	Required bool
+}
+
+func (o *Option) Env() string {
+	return strings.ToUpper(fmt.Sprintf("API_%s", o.Name))
+}
+
+var options []Option = []Option{
+	{Name: "password", Value: "", Required: true},
+	{Name: "frontend_url", Value: "http://localhost:5173/", Required: true},
+}
+
+func Load() bool {
+	var val string
+
+	for i := range options {
+		if val = os.Getenv(options[i].Env()); val == "" {
+			continue
+		}
+
+		options[i].Value = val
+		options[i].Required = false
+	}
+
+	for i := range options {
+		if options[i].Required && options[i].Value == "" {
+			util.Fail("please specify the required config option \"%s\" (\"%s\")", options[i].Name, options[i].Env())
+			return false
+		}
+
+		if options[i].Required && options[i].Value != "" {
+			util.Fail("using the default value \"%s\" for required config option \"%s\" (\"%s\")", options[i].Value, options[i].Name, options[i].Env())
+		}
+	}
+
+	return true
+}
+
+func Get(name string) string {
+	for i := range options {
+		if options[i].Name != name {
+			continue
+		}
+		return options[i].Value
+	}
+	return ""
+}