libmediaart: Removed queue.[ch] and created cache.[ch] more aptly named

1 files changed, 135 insertions, 0 deletions

diff --git a/libmediaart/cache.c b/libmediaart/cache.c
new file mode 100644
index 0000000..b9e1081
--- /dev/null
+++ b/libmediaart/cache.c
@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2008, Nokia <ivan.frade@nokia.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301  USA
+ */
+
+#include "config.h"
+
+#include <glib.h>
+#include <glib/gstdio.h>
+
+#include <libtracker-sparql/tracker-sparql.h>
+
+#include "utils.h"
+
+/**
+ * SECTION:media-art
+ * @title: Media art management
+ * @short_description: Media art request and management.
+ * @include: libmediaart/mediaart.h
+ *
+ * This is a convenience API using D-Bus to talk to the media management service.
+ **/
+
+/**
+ * media_art_remove():
+ * @artist: Artist the media art belongs to
+ * @album: Album the media art belongs to (optional)
+ *
+ * Removes media art for given album/artist/etc provided.
+ *
+ * Returns: #TRUE on success, otherwise #FALSE.
+ *
+ * Since: 0.2.0
+ */
+gboolean
+media_art_remove (const gchar *artist,
+                  const gchar *album)
+{
+	GError *error = NULL;
+	GHashTable *table = NULL;
+	const gchar *name;
+	GDir *dir;
+	gchar *dirname;
+	GList *to_remove = NULL;
+	gchar *target = NULL;
+	gchar *album_path = NULL;
+
+	g_return_if_fail (artist != NULL && artist[0] != '\0');
+
+	dirname = g_build_filename (g_get_user_cache_dir (), "media-art", NULL);
+
+	if (!g_file_test (dirname, G_FILE_TEST_EXISTS)) {
+		/* Ignore this and just quit the function */
+		g_debug ("Nothing to do, media-art cache directory '%s' doesn't exist", dirname);
+		g_free (dirname);
+		return TRUE;
+	}
+
+	dir = g_dir_open (dirname, 0, &error);
+
+	if (error) {
+		g_critical ("Call to g_dir_open() failed, %s", error->message);
+
+		g_error_free (error);
+		g_free (dirname);
+
+		if (dir) {
+			g_dir_close (dir);
+		}
+
+		return FALSE;
+	}
+
+	table = g_hash_table_new_full (g_str_hash,
+	                               g_str_equal,
+	                               (GDestroyNotify) g_free,
+	                               (GDestroyNotify) NULL);
+
+	/* The get_path API does stripping itself */
+	media_art_get_path (artist, album, "album", NULL, &target, NULL);
+	g_hash_table_replace (table, target, target);
+
+	/* Also add the file to which the symlinks are made */
+	media_art_get_path (NULL, album, "album", NULL, &album_path, NULL);
+	g_hash_table_replace (table, album_path, album_path);
+
+	/* Perhaps we should have an internal list of media art files that we made,
+	 * instead of going over all the media art (which could also have been made
+	 * by other softwares) */
+	for (name = g_dir_read_name (dir); name != NULL; name = g_dir_read_name (dir)) {
+		gpointer value;
+		gchar *full;
+
+		full = g_build_filename (dirname, name, NULL);
+
+		value = g_hash_table_lookup (table, full);
+
+		if (!value) {
+			g_message ("Removing media-art file '%s': no album exists with songs for this media-art cache", name);
+			to_remove = g_list_prepend (to_remove, (gpointer) full);
+		} else {
+			g_free (full);
+		}
+	}
+
+	if (dir) {
+		g_dir_close (dir);
+	}
+
+	g_free (dirname);
+
+	g_list_foreach (to_remove, (GFunc) g_unlink, NULL);
+	g_list_foreach (to_remove, (GFunc) g_free, NULL);
+	g_list_free (to_remove);
+
+	if (table) {
+		g_hash_table_unref (table);
+	}
+
+	return TRUE;
+}