core v1

server/internal/util/avatar.go

@@ -0,0 +1,28 @@
+package util
+
+import "strings"
+
+func NormalizeAvatarURL(raw string) string {
+	raw = strings.TrimSpace(raw)
+	if raw == "" {
+		return ""
+	}
+	if strings.HasPrefix(raw, "//") {
+		return "https:" + raw
+	}
+	return raw
+}
+
+func PickAvatarFromMap(m map[string]interface{}) string {
+	if m == nil {
+		return ""
+	}
+	for _, key := range []string{"avatar", "avatarUrl", "avatar_url", "profileImage"} {
+		if av, ok := m[key].(string); ok {
+			if normalized := NormalizeAvatarURL(av); normalized != "" {
+				return normalized
+			}
+		}
+	}
+	return ""
+}