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/*
* Copyright (C) 2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "playlist/despotify_playlist_plugin.h"
#include "playlist_plugin.h"
#include "playlist_list.h"
#include "conf.h"
#include "uri.h"
#include "tag.h"
#include "song.h"
#include "input_stream.h"
#include "glib_compat.h"
#include "despotify_utils.h"
#include <glib.h>
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include <despotify.h>
struct despotify_playlist {
struct playlist_provider base;
struct despotify_session *session;
GSList *list;
};
static void
add_song(struct despotify_playlist *ctx, struct ds_track *track)
{
const char *dsp_scheme = despotify_playlist_plugin.schemes[0];
struct song *song;
char uri[128];
char *ds_uri;
/* Create a spt://... URI for MPD */
g_snprintf(uri, sizeof(uri), "%s://", dsp_scheme);
ds_uri = uri + strlen(dsp_scheme) + 3;
if (despotify_track_to_uri(track, ds_uri) != ds_uri) {
/* Should never really fail, but let's be sure */
g_debug("Can't add track %s\n", track->title);
return;
}
song = song_remote_new(uri);
song->tag = mpd_despotify_tag_from_track(track);
ctx->list = g_slist_prepend(ctx->list, song);
}
static bool
parse_track(struct despotify_playlist *ctx,
struct ds_link *link)
{
struct ds_track *track;
track = despotify_link_get_track(ctx->session, link);
if (!track)
return false;
add_song(ctx, track);
return true;
}
static bool
parse_playlist(struct despotify_playlist *ctx,
struct ds_link *link)
{
struct ds_playlist *playlist;
struct ds_track *track;
playlist = despotify_link_get_playlist(ctx->session, link);
if (!playlist)
return false;
for (track = playlist->tracks; track; track = track->next)
add_song(ctx, track);
return true;
}
static bool
despotify_playlist_init(G_GNUC_UNUSED const struct config_param *param)
{
return mpd_despotify_get_session() != NULL;
}
static void
despotify_playlist_finish(void)
{
}
static struct playlist_provider *
despotify_playlist_open_uri(const char *url)
{
struct despotify_playlist *ctx;
struct despotify_session *session;
struct ds_link *link;
bool parse_result;
session = mpd_despotify_get_session();
if (!session)
goto clean_none;
/* Get link without spt:// */
link = despotify_link_from_uri(url + strlen(despotify_playlist_plugin.schemes[0]) + 3);
if (!link) {
g_debug("Can't find %s\n", url);
goto clean_none;
}
ctx = g_new(struct despotify_playlist, 1);
ctx->list = NULL;
ctx->session = session;
playlist_provider_init(&ctx->base, &despotify_playlist_plugin);
switch (link->type)
{
case LINK_TYPE_TRACK:
parse_result = parse_track(ctx, link);
break;
case LINK_TYPE_PLAYLIST:
parse_result = parse_playlist(ctx, link);
break;
default:
parse_result = false;
break;
}
despotify_free_link(link);
if (!parse_result)
goto clean_playlist;
ctx->list = g_slist_reverse(ctx->list);
return &ctx->base;
clean_playlist:
g_slist_free(ctx->list);
clean_none:
return NULL;
}
static void
track_free_callback(gpointer data, G_GNUC_UNUSED gpointer user_data)
{
struct song *song = (struct song *)data;
song_free(song);
}
static void
despotify_playlist_close(struct playlist_provider *_playlist)
{
struct despotify_playlist *ctx = (struct despotify_playlist *)_playlist;
g_slist_foreach(ctx->list, track_free_callback, NULL);
g_slist_free(ctx->list);
g_free(ctx);
}
static struct song *
despotify_playlist_read(struct playlist_provider *_playlist)
{
struct despotify_playlist *ctx = (struct despotify_playlist *)_playlist;
struct song *out;
if (!ctx->list)
return NULL;
/* Remove the current track */
out = ctx->list->data;
ctx->list = g_slist_remove(ctx->list, out);
return out;
}
static const char *const despotify_schemes[] = {
"spt",
NULL
};
const struct playlist_plugin despotify_playlist_plugin = {
.name = "despotify",
.init = despotify_playlist_init,
.finish = despotify_playlist_finish,
.open_uri = despotify_playlist_open_uri,
.read = despotify_playlist_read,
.close = despotify_playlist_close,
.schemes = despotify_schemes,
};
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