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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <limits.h>
#include "artwork.h"
#include "escape.h"
#define BASE_URL "http://ws.audioscrobbler.com/2.0/"
#define API_KEY "b25b959554ed76058ac220b7b2e0a026"
//#define trace(...) { fprintf(stderr, __VA_ARGS__); }
#define trace(...)
extern DB_functions_t *deadbeef;
int
fetch_from_lastfm (const char *artist, const char *album, const char *dest)
{
char url [1024];
char *artist_url = uri_escape (artist, 0);
char *album_url = uri_escape (album, 0);
snprintf (url, sizeof (url), BASE_URL "?method=album.getinfo&api_key=" API_KEY "&artist=%s&album=%s", artist_url, album_url);
free (artist_url);
free (album_url);
DB_FILE *fp = deadbeef->fopen (url);
if (!fp) {
trace ("fetch_from_lastfm: failed to open %s\n", url);
return -1;
}
current_file = fp;
const char searchstr[] = "<image size=\"extralarge\">";
char buffer[1000];
memset (buffer, 0, sizeof (buffer));
char *img = NULL;
int size = deadbeef->fread (buffer, 1, sizeof (buffer), fp);
if (size > 0) {
img = strstr (buffer, searchstr);
}
current_file = NULL;
deadbeef->fclose (fp);
if (!img) {
trace ("fetch_from_lastfm: image url not found in response from %s\n", url);
return -1;
}
img += sizeof (searchstr)-1;
char *end = strstr (img, "</image>");
if (!end || end == img) {
trace ("fetch_from_lastfm: bad xml (or image not found) from %s\n", url);
return -1;
}
*end = 0;
fp = deadbeef->fopen (img);
if (!fp) {
trace ("fetch_from_lastfm: failed to open %s\n", img);
return -1;
}
current_file = fp;
char temp[PATH_MAX];
snprintf (temp, sizeof (temp), "%s.part", dest);
FILE *out = fopen (temp, "w+b");
if (!out) {
trace ("fetch_from_lastfm: failed to open %s for writing\n", temp);
deadbeef->fclose (fp);
current_file = NULL;
return -1;
}
char *writebuffer[4096];
int len;
int error = 0;
while ((len = deadbeef->fread (writebuffer, 1, sizeof (writebuffer), fp)) > 0) {
if (fwrite (writebuffer, 1, len, out) != len) {
trace ("fetch_from_lastfm: failed to write to %s\n", dest);
error = 1;
break;
}
}
fclose (out);
current_file = NULL;
deadbeef->fclose (fp);
if (error) {
unlink (temp);
return -1;
}
if (rename (temp, dest) != 0) {
unlink (temp);
unlink (dest);
return -1;
}
return 0;
}
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