From 6cac8e3c8b866c71e96ade110b7b1e222dd78751 Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Sun, 18 Jun 2017 19:04:46 +0200
Subject: [PATCH] Downcase tags coming in through the TwAPI.

---
 lib/pleroma/formatter.ex | 2 +-
 test/formatter_test.exs  | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/pleroma/formatter.ex b/lib/pleroma/formatter.ex
index 50c4279f6..a8149b7b3 100644
--- a/lib/pleroma/formatter.ex
+++ b/lib/pleroma/formatter.ex
@@ -9,7 +9,7 @@ defmodule Pleroma.Formatter do
   @tag_regex ~r/\#\w+/u
   def parse_tags(text) do
     Regex.scan(@tag_regex, text)
-    |> Enum.map(fn (["#" <> tag = full_tag]) -> {full_tag, tag} end)
+    |> Enum.map(fn (["#" <> tag = full_tag]) -> {full_tag, String.downcase(tag)} end)
   end
 
   def parse_mentions(text) do
diff --git a/test/formatter_test.exs b/test/formatter_test.exs
index 35625f8ff..eb4affab8 100644
--- a/test/formatter_test.exs
+++ b/test/formatter_test.exs
@@ -16,9 +16,9 @@ defmodule Pleroma.FormatterTest do
 
   describe ".parse_tags" do
     test "parses tags in the text" do
-      text = "Here's a #test. Maybe these are #working or not. What about #漢字? And #は｡"
+      text = "Here's a #Test. Maybe these are #working or not. What about #漢字? And #は｡"
       expected = [
-        {"#test", "test"},
+        {"#Test", "test"},
         {"#working", "working"},
         {"#漢字", "漢字"},
         {"#は", "は"}