From 0997ffff99f94e4f4ad3d2ebcabdfcd628d5844c Mon Sep 17 00:00:00 2001
From: Anna Schumaker <Anna@OcarinaProject.net>
Date: Fri, 6 Feb 2015 15:08:31 -0500
Subject: [PATCH] playlist: Add a "most played tracks" playlist

This playlist will look for any track with an above average play count.

Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>
---
 core/playlist.cpp       | 32 ++++++++++++++++++++++++++++----
 tests/core/playlist.cpp |  3 +++
 2 files changed, 31 insertions(+), 4 deletions(-)

diff --git a/core/playlist.cpp b/core/playlist.cpp
index aacc08bc..061e62b4 100644
--- a/core/playlist.cpp
+++ b/core/playlist.cpp
@@ -32,18 +32,42 @@ public:
 			add(tags :: get_track(*it));
 	}
 
+	unsigned int find_average_count()
+	{
+		Track *track;
+		unsigned int total = 0, count = 0;
+
+		for (unsigned int i = 0; i < tags :: track_size(); i++) {
+			track = tags :: get_track(i);
+			if (track != NULL) {
+				total += track->count();
+				count++;
+			}
+		}
+		return total / count;
+	}
+
+	void dynamic_add(const std::string &name, Track *track, unsigned int avg)
+	{
+		if ((name == "Unplayed") && (track->count() == 0))
+			add(track);
+		if ((name == "Most Played") && (track->count() > avg))
+			add(track);
+	}
+
 	void dynamic_fill(const std::string &name)
 	{
 		Track *track;
+		unsigned int avg = 0;
 
-		if (name != "Unplayed")
-			return;
+		if (name == "Most Played")
+			avg = find_average_count();
 
 		clear();
 		for (unsigned int i = 0; i < tags :: track_size(); i++) {
 			track = tags :: get_track(i);
-			if ((track != NULL) && (track->count() == 0))
-				add(track);
+			if (track != NULL)
+				dynamic_add(name, track, avg);
 		}
 	}
 
diff --git a/tests/core/playlist.cpp b/tests/core/playlist.cpp
index 2a43e63c..041a5a0d 100644
--- a/tests/core/playlist.cpp
+++ b/tests/core/playlist.cpp
@@ -48,6 +48,9 @@ static void test_queue()
 
 	playlist :: select("Unplayed");
 	test_equal(q->size(), (unsigned)3);
+
+	playlist :: select("Most Played");
+	test_equal(q->size(), (unsigned)10);
 }
 
 static void test_add()