159 lines
3.6 KiB
C
159 lines
3.6 KiB
C
/*
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* Copyright 2016 (c) Anna Schumaker.
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*/
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#include <core/playlists/user.h>
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static struct database user_db;
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static struct playlist_ops user_ops;
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static struct user_playlist *__user_db_alloc(gchar *name, unsigned int index)
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{
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struct user_playlist *playlist = g_malloc(sizeof(struct user_playlist));
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dbe_init(&playlist->pl_dbe, playlist);
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playlist->pl_playlist.pl_name = name;
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playlist->pl_playlist.pl_type = PL_USER;
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playlist->pl_playlist.pl_id = index;
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playlist->pl_playlist.pl_ops = &user_ops;
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playlist_generic_init_sorted(&playlist->pl_playlist);
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return playlist;
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}
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static struct db_entry *user_db_alloc(const gchar *name, unsigned int index)
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{
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return &__user_db_alloc(g_strdup(name), index)->pl_dbe;
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}
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static void user_db_free(struct db_entry *dbe)
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{
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playlist_generic_deinit(&USER_PLAYLIST(dbe)->pl_playlist);
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g_free(USER_PLAYLIST(dbe)->pl_playlist.pl_name);
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g_free(USER_PLAYLIST(dbe));
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}
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static gchar *user_db_key(struct db_entry *dbe)
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{
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return g_strdup(USER_PLAYLIST(dbe)->pl_playlist.pl_name);
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}
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static struct db_entry *user_db_read(struct file *file, unsigned int index)
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{
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gchar *name = file_readl(file);
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struct user_playlist *playlist = __user_db_alloc(name, index);
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playlist_generic_load(&playlist->pl_playlist, file, PL_SAVE_ALL);
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return &playlist->pl_dbe;
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}
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static void user_db_write(struct file *file, struct db_entry *dbe)
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{
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struct playlist *playlist = &USER_PLAYLIST(dbe)->pl_playlist;
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file_writef(file, "%s\n", playlist->pl_name);
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playlist_generic_save(playlist, file, PL_SAVE_ALL);
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}
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static const struct db_ops user_db_ops = {
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.dbe_alloc = user_db_alloc,
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.dbe_free = user_db_free,
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.dbe_key = user_db_key,
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.dbe_read = user_db_read,
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.dbe_write = user_db_write,
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};
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static bool pl_user_delete(struct playlist *playlist)
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{
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struct db_entry *dbe = db_get(&user_db, playlist->pl_name);
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if (dbe) {
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db_remove(&user_db, dbe);
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db_defrag(&user_db);
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}
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return dbe != NULL;
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}
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static struct playlist_ops user_ops = {
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.pl_add = playlist_generic_add,
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.pl_can_select = playlist_generic_can_select,
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.pl_delete = pl_user_delete,
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.pl_remove = playlist_generic_remove,
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.pl_set_random = playlist_generic_set_random,
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.pl_sort = playlist_generic_sort,
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};
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static void pl_user_save(void)
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{
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db_save(&user_db);
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}
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static struct playlist *pl_user_lookup(const gchar *name)
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{
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struct db_entry *dbe = db_get(&user_db, name);
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return dbe ? &USER_PLAYLIST(dbe)->pl_playlist : NULL;
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}
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static struct playlist *pl_user_get(unsigned int id)
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{
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struct db_entry *dbe = db_at(&user_db, id);
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return dbe ? &USER_PLAYLIST(dbe)->pl_playlist : NULL;
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}
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static struct playlist *pl_user_new(const gchar *name)
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{
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struct db_entry *dbe;
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if (db_get(&user_db, name))
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return NULL;
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dbe = db_insert(&user_db, name);
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return dbe ? &USER_PLAYLIST(dbe)->pl_playlist : NULL;
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}
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static void pl_user_played(struct track *track)
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{
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struct db_entry *dbe, *next;
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db_for_each(dbe, next, &user_db)
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playlist_generic_update(&USER_PLAYLIST(dbe)->pl_playlist, track);
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}
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struct playlist_type pl_user = {
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.pl_save = pl_user_save,
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.pl_lookup = pl_user_lookup,
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.pl_get = pl_user_get,
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.pl_new = pl_user_new,
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.pl_played = pl_user_played,
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.pl_selected = pl_user_played,
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};
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void pl_user_init(void)
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{
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db_init(&user_db, "playlist.user", true, &user_db_ops, 0);
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db_load(&user_db);
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}
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void pl_user_deinit()
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{
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db_deinit(&user_db);
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}
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struct database *pl_user_db_get()
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{
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return &user_db;
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}
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void pl_user_delete_track(struct track *track)
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{
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struct db_entry *dbe, *next;
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struct playlist *playlist;
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db_for_each(dbe, next, &user_db) {
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playlist = &USER_PLAYLIST(dbe)->pl_playlist;
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playlist_generic_remove(playlist, track);
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}
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}
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