1

internal/handlers/post_text.go

@@ -36,8 +36,57 @@ func requestLangCode(r *http.Request) string {
 	return translateNormalizePostLang(raw)
 }
 
-func (t postTextI18n) pick(r *http.Request) string {
-	return pickLangField(r, t.TextZh, t.TextEn, t.TextJa, t.TextKo, t.TextVi, t.TextId, t.TextMs)
+// textForLang returns body text stored for the post's source language only.
+func (t postTextI18n) textForLang(lang string) string {
+	switch translateNormalizePostLang(lang) {
+	case "en":
+		return strings.TrimSpace(t.TextEn)
+	case "ja":
+		return strings.TrimSpace(t.TextJa)
+	case "ko":
+		return strings.TrimSpace(t.TextKo)
+	case "vi":
+		return strings.TrimSpace(t.TextVi)
+	case "id":
+		return strings.TrimSpace(t.TextId)
+	case "ms":
+		return strings.TrimSpace(t.TextMs)
+	default:
+		return strings.TrimSpace(t.TextZh)
+	}
+}
+
+func postTextI18nFromSingle(lang, text string) postTextI18n {
+	lang = translateNormalizePostLang(lang)
+	text = strings.TrimSpace(text)
+	var t postTextI18n
+	switch lang {
+	case "en":
+		t.TextEn = text
+	case "ja":
+		t.TextJa = text
+	case "ko":
+		t.TextKo = text
+	case "vi":
+		t.TextVi = text
+	case "id":
+		t.TextId = text
+	case "ms":
+		t.TextMs = text
+	default:
+		t.TextZh = text
+	}
+	return t
+}
+
+func normalizePostSourceLang(lang string) string {
+	lang = translateNormalizePostLang(strings.TrimSpace(lang))
+	switch lang {
+	case "zh", "en", "ja", "ko", "vi", "id", "ms":
+		return lang
+	default:
+		return "zh"
+	}
 }
 
 func (t postTextI18n) anyNonEmpty() bool {