127 lines
3.1 KiB
C
127 lines
3.1 KiB
C
/*
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* Copyright 2013 (c) Anna Schumaker.
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*/
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#include <core/collection.h>
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#include <core/string.h>
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#include <core/playlist.h>
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static struct database playlist_db;
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static struct queue playlist_q;
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static enum playlist_t playlist_cur;
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static const gchar *playlist_names[2] = { "Favorites", "Banned" };
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static inline struct index_entry *__playlist_lookup(enum playlist_t plist)
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{
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return INDEX_ENTRY(db_get(&playlist_db, playlist_names[plist]));
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}
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static inline bool __playlist_is_static(enum playlist_t plist)
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{
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return (plist == PL_FAVORITED) || (plist == PL_HIDDEN);
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}
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static inline bool __playlist_is_dynamic(enum playlist_t plist)
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{
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return !__playlist_is_static(plist);
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}
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static void __playlist_fill_static(enum playlist_t plist)
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{
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struct index_entry *ent = __playlist_lookup(plist);
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struct set_iter it;
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if (ent) {
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set_for_each(&ent->ie_set, &it)
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queue_add(&playlist_q, track_get(it.it_val));
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}
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}
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static void __playlist_fill_dynamic(enum playlist_t plist)
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{
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unsigned int count = 0, average = 0;
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struct db_entry *track, *next;
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if (plist == PL_MOST_PLAYED || plist == PL_LEAST_PLAYED)
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average = track_db_average_plays();
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db_for_each(track, next, track_db_get()) {
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count = TRACK(track)->tr_count;
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if (plist == PL_UNPLAYED && count == 0)
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queue_add(&playlist_q, TRACK(track));
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else if (plist == PL_MOST_PLAYED && count > average)
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queue_add(&playlist_q, TRACK(track));
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else if (plist == PL_LEAST_PLAYED && count <= average && count > 0)
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queue_add(&playlist_q, TRACK(track));
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}
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}
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void playlist_init(struct queue_ops *ops)
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{
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queue_init(&playlist_q, Q_ENABLED | Q_REPEAT, ops);
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queue_sort(&playlist_q, COMPARE_ARTIST, true);
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queue_sort(&playlist_q, COMPARE_YEAR, false);
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queue_sort(&playlist_q, COMPARE_TRACK, false);
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queue_set_flag(&playlist_q, Q_NO_SORT);
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index_init(&playlist_db, "playlist.db", true);
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db_load_idle(&playlist_db);
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}
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void playlist_deinit()
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{
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queue_deinit(&playlist_q);
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db_deinit(&playlist_db);
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}
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bool playlist_add(enum playlist_t plist, struct track *track)
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{
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if (!track || !__playlist_is_static(plist) || playlist_has(plist, track))
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return false;
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index_insert(&playlist_db, playlist_names[plist],
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track->tr_dbe.dbe_index);
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if (playlist_cur == plist)
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queue_add(&playlist_q, track);
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return true;
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}
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bool playlist_remove(enum playlist_t plist, struct track *track)
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{
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if (!track || !playlist_has(plist, track))
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return false;
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index_remove(&playlist_db, playlist_names[plist],
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track->tr_dbe.dbe_index);
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if (playlist_cur == plist)
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queue_remove_all(&playlist_q, track);
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return true;
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}
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bool playlist_has(enum playlist_t plist, struct track *track)
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{
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if (!track || __playlist_is_dynamic(plist))
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return false;
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return index_has(&playlist_db, playlist_names[plist], track->tr_dbe.dbe_index);
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}
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void playlist_select(enum playlist_t plist)
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{
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queue_clear(&playlist_q);
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queue_set_flag(&playlist_q, Q_ADD_FRONT);
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if (__playlist_is_static(plist))
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__playlist_fill_static(plist);
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else
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__playlist_fill_dynamic(plist);
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queue_unset_flag(&playlist_q, Q_ADD_FRONT);
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playlist_cur = plist;
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queue_resort(&playlist_q);
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}
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struct queue *playlist_get_queue()
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{
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return &playlist_q;
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}
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