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/*
Copyright (C) 2006 by Jonas Kramer
Published under the terms of the GNU General Public License (GPL).
*/
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <assert.h>
#include "xmlrpc.h"
#include "feeds.h"
#include "hash.h"
#include "completion.h"
#include "readline.h"
#include "interface.h"
#include "settings.h"
#include "getln.h"
static char ** users = NULL;
static int usercomplete(char *, const unsigned, int);
void recommend(struct hash track) {
char key, * message = NULL, * recipient = NULL;
unsigned result = 0;
struct prompt setup = {
.prompt = "Recipient: ",
.line = NULL,
.history = NULL,
.callback = usercomplete,
};
struct prompt comment = {
.prompt = "Comment: ",
.line = NULL,
.history = NULL,
.callback = NULL,
};
if(!track.content)
return;
fputs("Recommend (a)rtist, a(l)bum, (t)rack or (c)ancel?\n", stderr);
while(!strchr("altc", (key = fetchkey(2))));
if(key == 'c')
return;
users = neighbors(value(& rc, "username"));
users = merge(users, friends(value(& rc, "username")), 0);
recipient = readline(& setup);
purge(users);
users = NULL;
message = readline(& comment);
switch(key) {
case 'a':
result = xmlrpc(
"recommendArtist", "ssss",
value(& track, "creator"),
recipient, message, "en"
);
break;
case 'l':
result = xmlrpc(
"recommendAlbum", "sssss",
value(& track, "creator"),
value(& track, "album"),
recipient, message, "en"
);
break;
case 't':
result = xmlrpc(
"recommendTrack", "sssss",
value(& track, "creator"),
value(& track, "title"),
recipient, message, "en"
);
break;
}
puts(result ? "Recommended." : "Sorry, failed.");
}
static int usercomplete(char * line, const unsigned max, int changed) {
unsigned length, nres = 0;
int retval = 0;
const char * match = NULL;
assert(line != NULL);
length = strlen(line);
/* Remove spaces at the beginning of the string. */
while(isspace(line[0])) {
retval = !0;
memmove(line, line + 1, strlen(line + 1));
line[--length] = 0;
}
/* Remove spaces at the end of the string. */
while((length = strlen(line)) > 0 && isspace(line[length - 1])) {
retval = !0;
line[--length] = 0;
}
if(!users || !users[0])
return retval;
if((match = nextmatch(users, changed ? line : NULL, & nres)) != NULL) {
snprintf(line, max, "%s", match);
retval = !0;
}
return retval;
}
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