318 lines
7.1 KiB
C
318 lines
7.1 KiB
C
/*
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* Copyright 2014 (c) Anna Schumaker.
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*/
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#include <core/filter.h>
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#include <core/string.h>
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#include <core/tags/track.h>
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#include <glib.h>
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#include <taglib/tag_c.h>
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static struct database track_db;
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static unsigned int unplayed_count = 0;
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static unsigned int play_count = 0;
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static gchar *__track_key(struct library *library, gchar *path)
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{
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gchar *res;
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if (library)
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res = g_strdup_printf("%u/%s", library->li_dbe.dbe_index, path);
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else
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res = g_strdup("");
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g_free(path);
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return res;
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}
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static gchar *__track_path(struct track *track)
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{
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gchar *path;
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sscanf(track->tr_path, "%*u/%m[^\n]", &path);
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return path;
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}
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static struct track *__track_alloc()
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{
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struct track *track = g_malloc(sizeof(struct track));
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dbe_init(&track->tr_dbe, track);
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return track;
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}
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struct db_entry *track_alloc(const gchar *key)
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{
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const TagLib_AudioProperties *audio;
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struct library *library;
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struct track *track = NULL;
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unsigned int lib_id;
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TagLib_File *file;
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TagLib_Tag *tag;
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char *fullpath, *path;
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sscanf(key, "%u/%m[^\n]", &lib_id, &path);
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library = library_get(lib_id);
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fullpath = library_file(library, path);
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file = taglib_file_new(fullpath);
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if (!file || !taglib_file_is_valid(file)) {
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printf("WARNING: Could not read tags for: %s\n", fullpath);
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goto out;
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}
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track = __track_alloc();
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tag = taglib_file_tag(file);
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audio = taglib_file_audioproperties(file);
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track->tr_album = album_find(taglib_tag_album(tag), taglib_tag_year(tag));
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track->tr_artist = artist_find(taglib_tag_artist(tag));
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track->tr_genre = genre_find(taglib_tag_genre(tag));
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track->tr_library = library;
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if (track->tr_album->al_artist == NULL)
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track->tr_album->al_artist = track->tr_artist;
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unplayed_count++;
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track->tr_count = 0;
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track->tr_length = taglib_audioproperties_length(audio);
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track->tr_track = taglib_tag_track(tag);
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date_set(&track->tr_date, 0, 0, 0);
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track->tr_path = g_strdup(key);
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track->tr_title = g_strdup(taglib_tag_title(tag));
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track->tr_lower = string_lowercase(track->tr_title);
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taglib_tag_free_strings();
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taglib_file_free(file);
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out:
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g_free(path);
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g_free(fullpath);
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return track ? &track->tr_dbe : NULL;
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}
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static void track_free(struct db_entry *dbe)
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{
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struct track *track = TRACK(dbe);
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play_count -= track->tr_count;
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if (track->tr_count == 0)
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unplayed_count--;
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if (track->tr_library)
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track->tr_library->li_size--;
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filter_remove(track->tr_lower, track);
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filter_remove(track->tr_artist->ar_lower, track);
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filter_remove(track->tr_album->al_lower, track);
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g_free(track->tr_title);
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g_free(track->tr_lower);
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g_free(track);
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}
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static void track_setup(struct db_entry *dbe)
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{
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struct track *track = TRACK(dbe);
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filter_add(track->tr_lower, track);
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filter_add(track->tr_artist->ar_lower, track);
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filter_add(track->tr_album->al_lower, track);
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track->tr_library->li_size++;
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}
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static gchar *track_key(struct db_entry *dbe)
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{
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return TRACK(dbe)->tr_path;
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}
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static struct db_entry *track_read(struct file *file)
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{
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unsigned int library_id, artist_id, album_id, genre_id;
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struct track *track = __track_alloc();
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file_readf(file, "%u %u %u %u %u", &library_id, &artist_id, &album_id,
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&genre_id, &track->tr_track);
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date_read(file, &track->tr_date);
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file_readf(file, "%u %u", &track->tr_count, &track->tr_length);
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play_count += track->tr_count;
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if (track->tr_count == 0)
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unplayed_count++;
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track->tr_album = album_get(album_id);
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track->tr_artist = artist_get(artist_id);
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track->tr_genre = genre_get(genre_id);
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track->tr_library = library_get(library_id);
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if (track->tr_album->al_artist == NULL)
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track->tr_album->al_artist = track->tr_artist;
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track->tr_title = file_readl(file);
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track->tr_lower = string_lowercase(track->tr_title);
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track->tr_path = __track_key(track->tr_library, file_readl(file));
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return &track->tr_dbe;
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}
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static void track_write(struct file *file, struct db_entry *dbe)
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{
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struct track *track = TRACK(dbe);
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gchar *path = __track_path(track);
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file_writef(file, "%u %u %u %u %u ", track->tr_library->li_dbe.dbe_index,
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track->tr_artist->ar_dbe.dbe_index,
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track->tr_album->al_dbe.dbe_index,
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track->tr_genre->ge_dbe.dbe_index,
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track->tr_track);
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date_write(file, &track->tr_date);
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file_writef(file, " %u %u %s\n%s\n", track->tr_count,
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track->tr_length,
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track->tr_title,
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path);
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g_free(path);
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}
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static const struct db_ops track_ops = {
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track_alloc,
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track_free,
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track_key,
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track_read,
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track_setup,
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track_write,
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};
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void track_db_init()
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{
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db_init(&track_db, "track.db", false, &track_ops);
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db_load_idle(&track_db);
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}
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void track_db_deinit()
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{
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db_deinit(&track_db);
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}
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void track_db_commit()
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{
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db_save(&track_db);
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}
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const struct database *track_db_get()
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{
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return &track_db;
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}
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unsigned int track_db_count_unplayed()
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{
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return unplayed_count;
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}
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unsigned int track_db_count_plays()
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{
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return play_count;
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}
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unsigned int track_db_average_plays()
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{
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if (unplayed_count == track_db.db_size)
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return 0;
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return play_count / (track_db.db_size - unplayed_count);
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}
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struct track *track_add(struct library *library, const gchar *filepath)
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{
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unsigned int offset = strlen(library->li_path) + 1;
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gchar *key = __track_key(library, g_strdup(filepath + offset));
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struct track *track = NULL;
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if (!db_get(&track_db, key))
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track = TRACK(db_insert(&track_db, key));
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g_free(key);
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return track;
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}
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void track_remove(struct track *track)
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{
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db_remove(&track_db, &track->tr_dbe);
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}
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void track_remove_all(struct library *library)
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{
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struct db_entry *it, *next;
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db_for_each(it, next, &track_db) {
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if (TRACK(it)->tr_library == library)
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db_remove(&track_db, it);
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}
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track_db_commit();
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}
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struct track *track_get(const unsigned int index)
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{
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return TRACK(db_at(&track_db, index));
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}
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int track_compare(struct track *lhs, struct track *rhs, enum compare_t compare)
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{
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switch (compare) {
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case COMPARE_ARTIST:
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return artist_compare(lhs->tr_artist, rhs->tr_artist);
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case COMPARE_ALBUM:
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return album_compare(lhs->tr_album, rhs->tr_album);
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case COMPARE_COUNT:
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return lhs->tr_count - rhs->tr_count;
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case COMPARE_GENRE:
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return genre_compare(lhs->tr_genre, rhs->tr_genre);
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case COMPARE_LENGTH:
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return lhs->tr_length - rhs->tr_length;
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case COMPARE_PLAYED:
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return date_compare(&lhs->tr_date, &rhs->tr_date);
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case COMPARE_TITLE:
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return string_compare(lhs->tr_lower, rhs->tr_lower);
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case COMPARE_TRACK:
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return lhs->tr_track - rhs->tr_track;
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case COMPARE_YEAR:
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return album_compare_year(lhs->tr_album, rhs->tr_album);
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}
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return 0; /* We should never get here. */
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}
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gchar *track_path(struct track *track)
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{
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gchar *path, *res;
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if (track->tr_library) {
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path = __track_path(track);
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res = library_file(track->tr_library, path);
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g_free(path);
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return res;
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}
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return g_strdup("");
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}
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void track_played(struct track *track)
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{
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if (track->tr_count == 0)
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unplayed_count--;
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track->tr_count++;
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play_count++;
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date_today(&track->tr_date);
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track_db_commit();
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}
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gchar *track_last_play(struct track *track)
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{
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if (track->tr_count > 0)
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return date_string(&track->tr_date);
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return g_strdup("Never");
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}
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#ifdef CONFIG_TESTING
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const struct db_ops *test_track_ops() { return &track_ops; }
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#endif /* CONFIG_TESTING */
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