Extend to include example translation stuff

irc/languages.go

@@ -0,0 +1,54 @@
+// Copyright (c) 2018 Daniel Oaks <daniel@danieloaks.net>
+// released under the MIT license
+
+package irc
+
+import (
+	"sync"
+)
+
+// LanguageManager manages our languages and provides translation abilities.
+type LanguageManager struct {
+	sync.RWMutex
+	langMap map[string]map[string]string
+}
+
+// NewLanguageManager returns a new LanguageManager.
+func NewLanguageManager() *LanguageManager {
+	lm := LanguageManager{
+		langMap: make(map[string]map[string]string),
+	}
+
+	//TODO(dan): load language files here
+
+	return &lm
+}
+
+// Translate returns the given string, translated into the given language.
+func (lm *LanguageManager) Translate(languages []string, originalString string) string {
+	// not using any special languages
+	if len(languages) == 0 {
+		return originalString
+	}
+
+	lm.RLock()
+	defer lm.RUnlock()
+
+	for _, lang := range languages {
+		langMap, exists := lm.langMap[lang]
+		if !exists {
+			continue
+		}
+
+		newString, exists := langMap[originalString]
+		if !exists {
+			continue
+		}
+
+		// found a valid translation!
+		return newString
+	}
+
+	// didn't find any translation
+	return originalString
+}