Fix missing err in config

config/config.go

@@ -0,0 +1,59 @@
+package config
+
+import (
+	"strings"
+
+	"git.grassecon.net/grassrootseconomics/visedriver/env"
+)
+
+var (
+	defaultLanguage		   = "eng"
+	languages []string
+)
+
+var (
+	DbConn		string
+	DefaultLanguage	    string
+	Languages	[]string
+)
+
+func setLanguage() error {
+	defaultLanguage = env.GetEnv("DEFAULT_LANGUAGE", defaultLanguage)
+	languages = strings.Split(env.GetEnv("LANGUAGES", defaultLanguage), ",")
+	haveDefaultLanguage := false
+	for i, v := range(languages) {
+		languages[i] = strings.ReplaceAll(v, " ", "")
+		if languages[i] == defaultLanguage {
+			haveDefaultLanguage = true
+		}
+	}
+
+	if !haveDefaultLanguage {
+		languages = append([]string{defaultLanguage}, languages...)
+	}
+
+	return nil
+}
+
+
+
+func setConn() error {
+	DbConn = env.GetEnv("DB_CONN", "")
+	return nil
+}
+
+// LoadConfig initializes the configuration values after environment variables are loaded.
+func LoadConfig() error {
+	err := setConn()
+	if err != nil {
+		return err
+	}
+	err = setLanguage()
+	if err != nil {
+		return err
+	}
+	DefaultLanguage = defaultLanguage
+	Languages = languages
+
+	return nil
+}