song.c

#include "song.h"

#include <mpd/client.h>

#include "constants.h"
#include "log.h"
#include "status.h"
#include "util.h"

void print_current_song(struct mpd_connection *connection) {
    struct mpd_song *song;

    song = mpd_run_current_song(connection);
    if (song == NULL) {
        die(connection, NULL, NULL, RECV_SONG_FAIL); /* song is null anyways */
    }
    mpd_check_error(connection, NULL, song);

    const char *artist = mpd_song_get_tag(song, MPD_TAG_ARTIST, 0);
    const char *title = mpd_song_get_tag(song, MPD_TAG_TITLE, 0);

    printf("%s - %s\n", artist ? artist : NULL_STRING, title ? title : NULL_STRING);
    mpd_song_free(song);

#ifdef DEBUG
    log_info("Got current song information");
#endif
}

void print_current_song_metadata(struct mpd_connection *connection) {
    int i;
    const char *uri;
    struct mpd_song *song;

    song = mpd_run_current_song(connection);
    if (song == NULL) {
        die(connection, NULL, NULL, RECV_SONG_FAIL);
    }
    mpd_check_error(connection, NULL, song);

    uri = mpd_song_get_uri(song);
    if (uri == NULL) {
        die(connection, NULL, NULL, RECV_SONG_FAIL);
    }
    mpd_check_error(connection, NULL, song);

    printf("URI: %s\n", uri);
    /* the first 10 fields are the most relevant ones */
    for (i = 0; i < 10; ++i) {
        const char *field_name = mpd_tag_name(i);
        const char *field_value = mpd_song_get_tag(song, i, 0);

        printf("%s: %s\n", field_name, field_value ? field_value : NULL_STRING);
    }
    mpd_check_error(connection, NULL, song);
    mpd_song_free(song);

#ifdef DEBUG
    log_info("Got current song metadata");
#endif
}

void loop_current_song(struct mpd_connection *connection, int loop_count) {
    int i;
    struct mpd_song *song;

    if (loop_count < 0) {
        die(connection, NULL, NULL, REMOVE_NEGATIVE_FAIL);
    }

    song = mpd_run_current_song(connection);
    if (song == NULL) {
        die(connection, NULL, NULL, RECV_SONG_FAIL);
    }
    mpd_check_error(connection, NULL, song);

    const char *file_uri = mpd_song_get_uri(song);
    if (file_uri) {
        for (i = 0; i < loop_count; ++i) {
            mpd_run_add(connection, file_uri);
            mpd_check_error(connection, NULL, song);
        }
    }
    mpd_song_free(song);

#ifdef DEBUG
    log_info("Looped current song %d times", loop_count);
#endif
}