aboutsummaryrefslogtreecommitdiffstats
path: root/src/command/QueueCommands.cxx
blob: fbcd0e8bab2883794b156a5c04666db0b27cc78d (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
/*
 * Copyright (C) 2003-2014 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 "QueueCommands.hxx"
#include "CommandError.hxx"
#include "db/DatabaseQueue.hxx"
#include "db/Selection.hxx"
#include "SongFilter.hxx"
#include "SongLoader.hxx"
#include "queue/Playlist.hxx"
#include "PlaylistPrint.hxx"
#include "client/Client.hxx"
#include "Partition.hxx"
#include "protocol/ArgParser.hxx"
#include "protocol/Result.hxx"
#include "ls.hxx"
#include "util/ConstBuffer.hxx"
#include "util/UriUtil.hxx"
#include "util/Error.hxx"
#include "fs/AllocatedPath.hxx"

#include <limits>

#include <string.h>

static const char *
translate_uri(Client &client, const char *uri)
{
	if (memcmp(uri, "file:///", 8) == 0)
		/* drop the "file://", leave only an absolute path
		   (starting with a slash) */
		return uri + 7;

	if (PathTraitsUTF8::IsAbsolute(uri)) {
		command_error(client, ACK_ERROR_NO_EXIST, "Malformed URI");
		return nullptr;
	}

	return uri;
}

CommandResult
handle_add(Client &client, gcc_unused int argc, char *argv[])
{
	const char *const uri = translate_uri(client, argv[1]);
	if (uri == nullptr)
		return CommandResult::ERROR;

	if (uri_has_scheme(uri) || PathTraitsUTF8::IsAbsolute(uri)) {
		const SongLoader loader(client);
		Error error;
		unsigned id = client.partition.AppendURI(loader, uri, error);
		if (id == 0)
			return print_error(client, error);

		return CommandResult::OK;
	}

#ifdef ENABLE_DATABASE
	const DatabaseSelection selection(uri, true);
	Error error;
	return AddFromDatabase(client.partition, selection, error)
		? CommandResult::OK
		: print_error(client, error);
#else
	command_error(client, ACK_ERROR_NO_EXIST, "No database");
	return CommandResult::ERROR;
#endif
}

CommandResult
handle_addid(Client &client, int argc, char *argv[])
{
	const char *const uri = translate_uri(client, argv[1]);
	if (uri == nullptr)
		return CommandResult::ERROR;

	const SongLoader loader(client);
	Error error;
	unsigned added_id = client.partition.AppendURI(loader, uri, error);
	if (added_id == 0)
		return print_error(client, error);

	if (argc == 3) {
		unsigned to;
		if (!check_unsigned(client, &to, argv[2]))
			return CommandResult::ERROR;
		PlaylistResult result = client.partition.MoveId(added_id, to);
		if (result != PlaylistResult::SUCCESS) {
			CommandResult ret =
				print_playlist_result(client, result);
			client.partition.DeleteId(added_id);
			return ret;
		}
	}

	client_printf(client, "Id: %u\n", added_id);
	return CommandResult::OK;
}

CommandResult
handle_delete(Client &client, gcc_unused int argc, char *argv[])
{
	unsigned start, end;

	if (!check_range(client, &start, &end, argv[1]))
		return CommandResult::ERROR;

	PlaylistResult result = client.partition.DeleteRange(start, end);
	return print_playlist_result(client, result);
}

CommandResult
handle_deleteid(Client &client, gcc_unused int argc, char *argv[])
{
	unsigned id;

	if (!check_unsigned(client, &id, argv[1]))
		return CommandResult::ERROR;

	PlaylistResult result = client.partition.DeleteId(id);
	return print_playlist_result(client, result);
}

CommandResult
handle_playlist(Client &client,
		gcc_unused int argc, gcc_unused char *argv[])
{
	playlist_print_uris(client, client.playlist);
	return CommandResult::OK;
}

CommandResult
handle_shuffle(gcc_unused Client &client,
	       gcc_unused int argc, gcc_unused char *argv[])
{
	unsigned start = 0, end = client.playlist.queue.GetLength();
	if (argc == 2 && !check_range(client, &start, &end, argv[1]))
		return CommandResult::ERROR;

	client.partition.Shuffle(start, end);
	return CommandResult::OK;
}

CommandResult
handle_clear(gcc_unused Client &client,
	     gcc_unused int argc, gcc_unused char *argv[])
{
	client.partition.ClearQueue();
	return CommandResult::OK;
}

CommandResult
handle_plchanges(Client &client, gcc_unused int argc, char *argv[])
{
	uint32_t version;

	if (!check_uint32(client, &version, argv[1]))
		return CommandResult::ERROR;

	playlist_print_changes_info(client, client.playlist, version);
	return CommandResult::OK;
}

CommandResult
handle_plchangesposid(Client &client, gcc_unused int argc, char *argv[])
{
	uint32_t version;

	if (!check_uint32(client, &version, argv[1]))
		return CommandResult::ERROR;

	playlist_print_changes_position(client, client.playlist, version);
	return CommandResult::OK;
}

CommandResult
handle_playlistinfo(Client &client, int argc, char *argv[])
{
	unsigned start = 0, end = std::numeric_limits<unsigned>::max();
	bool ret;

	if (argc == 2 && !check_range(client, &start, &end, argv[1]))
		return CommandResult::ERROR;

	ret = playlist_print_info(client, client.playlist, start, end);
	if (!ret)
		return print_playlist_result(client,
					     PlaylistResult::BAD_RANGE);

	return CommandResult::OK;
}

CommandResult
handle_playlistid(Client &client, int argc, char *argv[])
{
	if (argc >= 2) {
		unsigned id;
		if (!check_unsigned(client, &id, argv[1]))
			return CommandResult::ERROR;

		bool ret = playlist_print_id(client, client.playlist, id);
		if (!ret)
			return print_playlist_result(client,
						     PlaylistResult::NO_SUCH_SONG);
	} else {
		playlist_print_info(client, client.playlist,
				    0, std::numeric_limits<unsigned>::max());
	}

	return CommandResult::OK;
}

static CommandResult
handle_playlist_match(Client &client, int argc, char *argv[],
		      bool fold_case)
{
	ConstBuffer<const char *> args(argv + 1, argc - 1);

	SongFilter filter;
	if (!filter.Parse(args, fold_case)) {
		command_error(client, ACK_ERROR_ARG, "incorrect arguments");
		return CommandResult::ERROR;
	}

	playlist_print_find(client, client.playlist, filter);
	return CommandResult::OK;
}

CommandResult
handle_playlistfind(Client &client, int argc, char *argv[])
{
	return handle_playlist_match(client, argc, argv, false);
}

CommandResult
handle_playlistsearch(Client &client, int argc, char *argv[])
{
	return handle_playlist_match(client, argc, argv, true);
}

CommandResult
handle_prio(Client &client, int argc, char *argv[])
{
	unsigned priority;

	if (!check_unsigned(client, &priority, argv[1]))
		return CommandResult::ERROR;

	if (priority > 0xff) {
		command_error(client, ACK_ERROR_ARG,
			      "Priority out of range: %s", argv[1]);
		return CommandResult::ERROR;
	}

	for (int i = 2; i < argc; ++i) {
		unsigned start_position, end_position;
		if (!check_range(client, &start_position, &end_position,
				 argv[i]))
			return CommandResult::ERROR;

		PlaylistResult result =
			client.partition.SetPriorityRange(start_position,
							   end_position,
							   priority);
		if (result != PlaylistResult::SUCCESS)
			return print_playlist_result(client, result);
	}

	return CommandResult::OK;
}

CommandResult
handle_prioid(Client &client, int argc, char *argv[])
{
	unsigned priority;

	if (!check_unsigned(client, &priority, argv[1]))
		return CommandResult::ERROR;

	if (priority > 0xff) {
		command_error(client, ACK_ERROR_ARG,
			      "Priority out of range: %s", argv[1]);
		return CommandResult::ERROR;
	}

	for (int i = 2; i < argc; ++i) {
		unsigned song_id;
		if (!check_unsigned(client, &song_id, argv[i]))
			return CommandResult::ERROR;

		PlaylistResult result =
			client.partition.SetPriorityId(song_id, priority);
		if (result != PlaylistResult::SUCCESS)
			return print_playlist_result(client, result);
	}

	return CommandResult::OK;
}

CommandResult
handle_move(Client &client, gcc_unused int argc, char *argv[])
{
	unsigned start, end;
	int to;

	if (!check_range(client, &start, &end, argv[1]))
		return CommandResult::ERROR;
	if (!check_int(client, &to, argv[2]))
		return CommandResult::ERROR;

	PlaylistResult result =
		client.partition.MoveRange(start, end, to);
	return print_playlist_result(client, result);
}

CommandResult
handle_moveid(Client &client, gcc_unused int argc, char *argv[])
{
	unsigned id;
	int to;

	if (!check_unsigned(client, &id, argv[1]))
		return CommandResult::ERROR;
	if (!check_int(client, &to, argv[2]))
		return CommandResult::ERROR;
	PlaylistResult result = client.partition.MoveId(id, to);
	return print_playlist_result(client, result);
}

CommandResult
handle_swap(Client &client, gcc_unused int argc, char *argv[])
{
	unsigned song1, song2;

	if (!check_unsigned(client, &song1, argv[1]))
		return CommandResult::ERROR;
	if (!check_unsigned(client, &song2, argv[2]))
		return CommandResult::ERROR;

	PlaylistResult result =
		client.partition.SwapPositions(song1, song2);
	return print_playlist_result(client, result);
}

CommandResult
handle_swapid(Client &client, gcc_unused int argc, char *argv[])
{
	unsigned id1, id2;

	if (!check_unsigned(client, &id1, argv[1]))
		return CommandResult::ERROR;
	if (!check_unsigned(client, &id2, argv[2]))
		return CommandResult::ERROR;

	PlaylistResult result = client.partition.SwapIds(id1, id2);
	return print_playlist_result(client, result);
}