aboutsummaryrefslogblamecommitdiffstats
path: root/src/dbUtils.c
blob: bfe262b8583d551dce61a8102bc09f056b6bb66d (plain) (tree)
1
2
                                
                                                                   















                                                                            
                    
                   
                      
                     
                   
                     
                 
                       
                
                   
                
                            
 

                 

                   
                                 
                       
                            
                                               

                  

                                    
                                        

                     


                                       
                               

              
          
                                                                  
 
                                     

                                          
                                                                                        
 
                 

 
          
                                                                 
 
                                     
                                     
                 

 
                    
                              


                                 

                                                 
 
                                         
                                                 
 
                                                                    
                                                           
 


                 


                                                               
 
                
              

                                                             
                                
 

                                                                               
 
                             
                                       
                                     
 
                                                            
 
                                                   



                   

                                               
 
                                         
                                                 
 
                                                                   
                                                           
 


                 


                                                          
 
                                
 
                             

                                       
 
                                                           

 
                                                                       
 

                                                                   

 

                                                     


                                  

                                                                







                                                           


                                                                    








                                              
                                                                  
                     
                                                 



                   
                                                       
 

                                                          

 
          
                                                                       
 
                                             

 



                         

                                                                
 

                                      
                                                   

                          

 
                              
 
                                                                     

 
                                                                    
 



                                 
                                                                            

 

                                                     
 
                                     

                                      

 
                                                              
 
                                                    
                                                                

 


                                                          
 
                                                          







                                                

                                                       


                   


                                                   
 
              
                                    
 
                                              
                                             


                       

                       
 
                                               
                                                     
                                                              
                               

                 
                            

 
                       
                              
                              
                           

  

                                                         
 

                                            
 

                                                          
                                                                       

         


                 
                                                                           
                                                             

                

                                                                         
                                      
                                 

                             

                                                         
                                        

         
                                                                    
 
                                                         









                                                               

         



                                  
 

                                                                    

                        
 
                                   
                         
 
                                                    
                                                               
 


                 

                                                           



                                      
 


                 

                                        
                    
 

                                                                 


                                                        
/* 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;
	int numConditionals;
	const struct locate_item *conditionals;
} ListCommandItem;

typedef struct _LocateTagItemArray {
	int numItems;
	const struct locate_item *items;
} LocateTagItemArray;

typedef struct _SearchStats {
	LocateTagItemArray locateArray;
	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;
	LocateTagItemArray array;
};

static int
searchInDirectory(struct song *song, void *_data)
{
	struct search_data *data = _data;
	LocateTagItemArray *array = &data->array;

	if (locate_song_search(song, array->numItems, array->items))
		return song_print_info(data->client, song);

	return 0;
}

int
searchForSongsIn(struct client *client, const char *name,
		 int numItems, const struct locate_item *items)
{
	int ret;
	int i;
	struct locate_item *new_items =
		g_memdup(items, sizeof(items[0]) * numItems);
	struct search_data data;

	for (i = 0; i < numItems; i++)
		new_items[i].needle = g_utf8_casefold(new_items[i].needle, -1);

	data.client = client;
	data.array.numItems = numItems;
	data.array.items = new_items;

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

	locate_item_list_free(numItems, new_items);

	return ret;
}

static int
findInDirectory(struct song *song, void *_data)
{
	struct search_data *data = _data;
	LocateTagItemArray *array = &data->array;

	if (locate_song_match(song, array->numItems, array->items))
		return song_print_info(data->client, song);

	return 0;
}

int
findSongsIn(struct client *client, const char *name,
	    int numItems, const struct locate_item *items)
{
	struct search_data data;

	data.client = client;
	data.array.numItems = numItems;
	data.array.items = items;

	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->locateArray.numItems,
			      stats->locateArray.items)) {
		stats->numberOfSongs++;
		if (song->tag->time > 0)
			stats->playTime += song->tag->time;
	}

	return 0;
}

int
searchStatsForSongsIn(struct client *client, const char *name,
		      int numItems, const struct locate_item *items)
{
	SearchStats stats;
	int ret;

	stats.locateArray.numItems = numItems;
	stats.locateArray.items = items;
	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, int numConditionals,
		   const struct locate_item *conditionals)
{
	ListCommandItem *item = g_new(ListCommandItem, 1);

	item->tagType = tagType;
	item->numConditionals = numConditionals;
	item->conditionals = conditionals;

	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->numConditionals,
			      item->conditionals)) {
		visitTag(data->client, data->set, song, item->tagType);
	}

	return 0;
}

int listAllUniqueTags(struct client *client, int type, int numConditionals,
		      const struct locate_item *conditionals)
{
	int ret;
	ListCommandItem *item = newListCommandItem(type, numConditionals,
						   conditionals);
	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);
}