From 0919398edc23e70ce7caaaf892b24082ca15014f Mon Sep 17 00:00:00 2001
From: Hamcha <zikyky@gmail.com>
Date: Fri, 21 Apr 2017 10:18:57 +0200
Subject: [PATCH] unsplash: Try to strip unreadable characters

---
 mods/unsplash.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/mods/unsplash.go b/mods/unsplash.go
index dba2976..1ba99ca 100644
--- a/mods/unsplash.go
+++ b/mods/unsplash.go
@@ -41,6 +41,13 @@ func initunsplash() {
 	log.Println("[unsplash] Loaded!")
 }
 
+func stripUnreadable(r rune) rune {
+	if r < 32 || r >= 0x1f000 {
+		return -1
+	}
+	return r
+}
+
 func unsplash(broker *tg.Broker, update tg.APIMessage) {
 	if isCommand(update, "unsplash") {
 		text := ""
@@ -59,6 +66,9 @@ func unsplash(broker *tg.Broker, update tg.APIMessage) {
 			}
 		}
 
+		// Cleanup chars
+		text = strings.Map(stripUnreadable, text)
+
 		author := user.FirstName
 		if user.LastName != "" {
 			author = user.FirstName + " " + user.LastName