From 18857f66012b9e59ecd94a05927e6e2170a047d0 Mon Sep 17 00:00:00 2001
From: Steve Howell <steve@zulip.com>
Date: Mon, 19 Aug 2013 13:25:44 -0400
Subject: [PATCH] Added stream_data.get_name().

This function returns the stream's actual name, if we can get it;
otherwise, it's the identity function.

(imported from commit 7a981adba9632d6c6eba54cb6514a9226d1e83e8)
---
 static/js/stream_data.js                  | 13 +++++++++++++
 zerver/tests/frontend/node/stream_data.js |  3 +++
 2 files changed, 16 insertions(+)

diff --git a/static/js/stream_data.js b/static/js/stream_data.js
index fc2a35b374..454b53c502 100644
--- a/static/js/stream_data.js
+++ b/static/js/stream_data.js
@@ -75,6 +75,19 @@ exports.get_invite_only = function (stream_name) {
     return sub.invite_only;
 };
 
+exports.get_name = function (stream_name) {
+    // This returns the actual name of a stream if we are subscribed to
+    // it (i.e "Denmark" vs. "denmark"), while falling thru to
+    // stream_name if we don't have a subscription.  (Stream names
+    // are case-insensitive, but we try to display the actual name
+    // when we know it.)
+    var sub = exports.get_sub(stream_name);
+    if (sub === undefined) {
+        return stream_name;
+    }
+    return sub.name;
+};
+
 return exports;
 
 }());
diff --git a/zerver/tests/frontend/node/stream_data.js b/zerver/tests/frontend/node/stream_data.js
index 1545aa5695..3c2b159cbb 100644
--- a/zerver/tests/frontend/node/stream_data.js
+++ b/zerver/tests/frontend/node/stream_data.js
@@ -36,4 +36,7 @@ var stream_data = require('js/stream_data.js');
 
     assert(stream_data.get_invite_only('social'));
     assert.equal(stream_data.get_color('social'), 'red');
+
+    assert.equal(stream_data.get_name('denMARK'), 'Denmark');
+    assert.equal(stream_data.get_name('unknown Stream'), 'unknown Stream');
 }());