From d79eb2c9b89fa79ad71e413b364c545f2cc5092a Mon Sep 17 00:00:00 2001
From: Anna Schumaker <Anna@OcarinaProject.net>
Date: Sat, 30 Apr 2016 08:51:34 -0400
Subject: [PATCH] core/tags/album: Add album_artwork_exists() function

Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>
---
 core/tags/album.c         | 25 ++++++++++++++++++++++++-
 include/core/tags/album.h |  3 +++
 tests/core/tags/album.c   | 15 +++++++++++++++
 3 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/core/tags/album.c b/core/tags/album.c
index e722507a..457e5109 100644
--- a/core/tags/album.c
+++ b/core/tags/album.c
@@ -4,9 +4,20 @@
 #include <core/string.h>
 #include <core/tags/album.h>
 
-
 static struct database album_db;
 
+static inline void __album_init_file(struct album *al, struct cache_file *f)
+{
+	cache_file_init(f, g_strdup_printf("%d",     al->al_year),
+			   g_strdup_printf("%s.jpg", al->al_name));
+}
+
+static inline void __album_deinit_file(struct cache_file *f)
+{
+	g_free(f->cf_subdir);
+	g_free(f->cf_name);
+}
+
 static gchar *__album_key(const gchar *name, unsigned int year)
 {
 	return g_strdup_printf("%u/%s", year, name);
@@ -113,6 +124,18 @@ int album_compare_year(struct album *lhs, struct album *rhs)
 	return lhs->al_year - rhs->al_year;
 }
 
+bool album_artwork_exists(struct album *album)
+{
+	struct cache_file file;
+	bool ret;
+
+	__album_init_file(album, &file);
+	ret = cache_file_exists(&file);
+	__album_deinit_file(&file);
+
+	return ret;
+}
+
 #ifdef CONFIG_TESTING
 const struct db_ops *test_album_ops() { return &album_ops; }
 #endif /* CONFIG_TESTING */
diff --git a/include/core/tags/album.h b/include/core/tags/album.h
index 7f6d04f8..a01c9f4d 100644
--- a/include/core/tags/album.h
+++ b/include/core/tags/album.h
@@ -46,6 +46,9 @@ int album_compare(struct album *, struct album *);
 /* Called to compare two album tags by year. */
 int album_compare_year(struct album *, struct album *);
 
+/* Called to check if album artwork has been downloaded. */
+bool album_artwork_exists(struct album *);
+
 #ifdef CONFIG_TESTING
 const struct db_ops *test_album_ops();
 #endif /* CONFIG_TESTING */
diff --git a/tests/core/tags/album.c b/tests/core/tags/album.c
index 48a394ee..07e88264 100644
--- a/tests/core/tags/album.c
+++ b/tests/core/tags/album.c
@@ -1,6 +1,7 @@
 /*
  * Copyright 2014 (c) Anna Schumaker.
  */
+#include <core/idle.h>
 #include <core/tags/album.h>
 #include <tests/test.h>
 
@@ -94,11 +95,25 @@ static void test_album_db()
 	test_equal(album_db.db_size, 1);
 
 	db_deinit(&album_db);
+}
+
+static void test_album_artwork()
+{
+	struct album *album;
+
+	idle_deinit();
+	idle_init();
+
+	album = album_find("Hyrule Symphony", 1998);
+	test_equal(album_artwork_exists(album), (bool)false);
+
 	album_db_deinit();
+	idle_deinit();
 }
 
 DECLARE_UNIT_TESTS(
 	UNIT_TEST("Album Tag", test_album),
 	UNIT_TEST("Album Comparison", test_album_compare),
 	UNIT_TEST("Album Database", test_album_db),
+	UNIT_TEST("Album Artwork", test_album_artwork),
 );