aboutsummaryrefslogtreecommitdiffstats
path: root/src/dbUtils.c
blob: 00df5b606cab8c01f77ba1b5e08ece83da8d660a (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
/* the Music Player Daemon (MPD)
 * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
 * This project's homepage is: 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "dbUtils.h"
#include "locate.h"
#include "directory.h"
#include "database.h"
#include "client.h"
#include "playlist.h"
#include "song.h"
#include "song_print.h"
#include "tag.h"
#include "strset.h"
#include "log.h"
#include "stored_playlist.h"

#include <glib.h>

#include <stdlib.h>

typedef struct _ListCommandItem {
	int8_t tagType;
	const struct locate_item_list *criteria;
} ListCommandItem;

typedef struct _SearchStats {
	const struct locate_item_list *criteria;
	int numberOfSongs;
	unsigned long playTime;
} SearchStats;

static int
printDirectoryInDirectory(struct directory *directory, void *data)
{
	struct client *client = data;

	if (!directory_is_root(directory))
		client_printf(client, "directory: %s\n", directory_get_path(directory));

	return 0;
}

static int
printSongInDirectory(struct song *song, G_GNUC_UNUSED void *data)
{
	struct client *client = data;
	song_print_url(client, song);
	return 0;
}

struct search_data {
	struct client *client;
	const struct locate_item_list *criteria;
};

static int
searchInDirectory(struct song *song, void *_data)
{
	struct search_data *data = _data;

	if (locate_song_search(song, data->criteria))
		return song_print_info(data->client, song);

	return 0;
}

int
searchForSongsIn(struct client *client, const char *name,
		 const struct locate_item_list *criteria)
{
	int ret;
	struct locate_item_list *new_list;
	struct search_data data;

	new_list = locate_item_list_new(criteria->length);
	for (unsigned i = 0; i < criteria->length; i++)
		new_list->items[i].needle =
			g_utf8_casefold(criteria->items[i].needle, -1);

	data.client = client;
	data.criteria = new_list;

	ret = db_walk(name, searchInDirectory, NULL, &data);

	locate_item_list_free(new_list);

	return ret;
}

static int
findInDirectory(struct song *song, void *_data)
{
	struct search_data *data = _data;

	if (locate_song_match(song, data->criteria))
		return song_print_info(data->client, song);

	return 0;
}

int
findSongsIn(struct client *client, const char *name,
	    const struct locate_item_list *criteria)
{
	struct search_data data;

	data.client = client;
	data.criteria = criteria;

	return db_walk(name, findInDirectory, NULL, &data);
}

static void printSearchStats(struct client *client, SearchStats *stats)
{
	client_printf(client, "songs: %i\n", stats->numberOfSongs);
	client_printf(client, "playtime: %li\n", stats->playTime);
}

static int
searchStatsInDirectory(struct song *song, void *data)
{
	SearchStats *stats = data;

	if (locate_song_match(song, stats->criteria)) {
		stats->numberOfSongs++;
		if (song->tag->time > 0)
			stats->playTime += song->tag->time;
	}

	return 0;
}

int
searchStatsForSongsIn(struct client *client, const char *name,
		      const struct locate_item_list *criteria)
{
	SearchStats stats;
	int ret;

	stats.criteria = criteria;
	stats.numberOfSongs = 0;
	stats.playTime = 0;

	ret = db_walk(name, searchStatsInDirectory, NULL, &stats);
	if (ret == 0)
		printSearchStats(client, &stats);

	return ret;
}

int printAllIn(struct client *client, const char *name)
{
	return db_walk(name, printSongInDirectory,
		       printDirectoryInDirectory, client);
}

static int
directoryAddSongToPlaylist(struct song *song, G_GNUC_UNUSED void *data)
{
	return addSongToPlaylist(song, NULL);
}

struct add_data {
	const char *path;
};

static int
directoryAddSongToStoredPlaylist(struct song *song, void *_data)
{
	struct add_data *data = _data;

	if (spl_append_song(data->path, song) != 0)
		return -1;
	return 0;
}

int addAllIn(const char *name)
{
	return db_walk(name, directoryAddSongToPlaylist, NULL, NULL);
}

int addAllInToStoredPlaylist(const char *name, const char *utf8file)
{
	struct add_data data = {
		.path = utf8file,
	};

	return db_walk(name, directoryAddSongToStoredPlaylist, NULL, &data);
}

static int
directoryPrintSongInfo(struct song *song, void *data)
{
	struct client *client = data;
	song_print_info(client, song);
	return 0;
}

int printInfoForAllIn(struct client *client, const char *name)
{
	return db_walk(name, directoryPrintSongInfo,
			     printDirectoryInDirectory, client);
}

static ListCommandItem *
newListCommandItem(int tagType, const struct locate_item_list *criteria)
{
	ListCommandItem *item = g_new(ListCommandItem, 1);

	item->tagType = tagType;
	item->criteria = criteria;

	return item;
}

static void freeListCommandItem(ListCommandItem * item)
{
	free(item);
}

static void
visitTag(struct client *client, struct strset *set,
	 struct song *song, enum tag_type tagType)
{
	int i;
	struct tag *tag = song->tag;

	if (tagType == LOCATE_TAG_FILE_TYPE) {
		song_print_url(client, song);
		return;
	}

	if (!tag)
		return;

	for (i = 0; i < tag->numOfItems; i++) {
		if (tag->items[i]->type == tagType) {
			strset_add(set, tag->items[i]->value);
			return;
		}
	}
	strset_add(set, "");
}

struct list_tags_data {
	struct client *client;
	ListCommandItem *item;
	struct strset *set;
};

static int
listUniqueTagsInDirectory(struct song *song, void *_data)
{
	struct list_tags_data *data = _data;
	ListCommandItem *item = data->item;

	if (locate_song_match(song, item->criteria))
		visitTag(data->client, data->set, song, item->tagType);

	return 0;
}

int listAllUniqueTags(struct client *client, int type,
		      const struct locate_item_list *criteria)
{
	int ret;
	ListCommandItem *item = newListCommandItem(type, criteria);
	struct list_tags_data data = {
		.client = client,
		.item = item,
	};

	if (type >= 0 && type <= TAG_NUM_OF_ITEM_TYPES) {
		data.set = strset_new();
	}

	ret = db_walk(NULL, listUniqueTagsInDirectory, NULL, &data);

	if (type >= 0 && type <= TAG_NUM_OF_ITEM_TYPES) {
		const char *value;

		strset_rewind(data.set);

		while ((value = strset_next(data.set)) != NULL)
			client_printf(client, "%s: %s\n",
				      mpdTagItemKeys[type],
				      value);

		strset_free(data.set);
	}

	freeListCommandItem(item);

	return ret;
}

static int
sumSavedFilenameMemoryInDirectory(struct directory *dir, void *data)
{
	int *sum = data;

	if (directory_is_root(dir))
		return 0;

	*sum += (strlen(directory_get_path(dir)) + 1
		 - sizeof(struct directory *)) * dir->songs.nr;

	return 0;
}

static int
sumSavedFilenameMemoryInSong(struct song *song, void *data)
{
	int *sum = data;

	*sum += strlen(song->url) + 1;

	return 0;
}

void printSavedMemoryFromFilenames(void)
{
	int sum = 0;

	db_walk(NULL, sumSavedFilenameMemoryInSong,
		sumSavedFilenameMemoryInDirectory, (void *)&sum);

	DEBUG("saved memory from filenames: %i\n", sum);
}