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/*
Copyright (C) 2025 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DCPOMATIC_SHOW_PLAYLIST_LIST_H
#define DCPOMATIC_SHOW_PLAYLIST_LIST_H
#include "show_playlist_entry.h"
#include "show_playlist_id.h"
#include "sqlite_database.h"
#include "sqlite_table.h"
class ShowPlaylist;
class SQLiteStatement;
/** @class ShowPlaylistList
*
* @brief A list of SPLs (show playlists) stored in a SQLite database.
*
* A SPL (show playlist) is a list of content (and maybe later automation cues)
* that make up a "show" in a cinema/theater. For example, a SPL might contain
* some adverts, some trailers and a feature.
*
* There are two tables: show_playlists and entries. show_playlists contains
* just playlist UUIDs with their names.
*/
class ShowPlaylistList
{
public:
ShowPlaylistList();
explicit ShowPlaylistList(boost::filesystem::path db_file);
/** Write a ShowPlaylist to the database, returning its new SQLite ID */
ShowPlaylistID add_show_playlist(ShowPlaylist const& show_playlist);
void update_show_playlist(ShowPlaylistID id, ShowPlaylist const& show_playlist);
void remove_show_playlist(ShowPlaylistID id);
std::vector<std::pair<ShowPlaylistID, ShowPlaylist>> show_playlists() const;
boost::optional<ShowPlaylist> show_playlist(ShowPlaylistID id) const;
boost::optional<ShowPlaylistID> get_show_playlist_id(std::string const& show_playlist_uuid) const;
/** @return The entries on a given show playlist, given the playlist's SQLite ID */
std::vector<ShowPlaylistEntry> entries(ShowPlaylistID show_playlist_id) const;
/** @return The entries on a given show playlist, given the playlist's UUID */
std::vector<ShowPlaylistEntry> entries(std::string const& show_playlist_uuid) const;
bool missing(std::string const& show_playlist_uuid) const;
bool missing(ShowPlaylistID id) const;
/** Add a playlist entry to the end of a playlist in the database */
void add_entry(ShowPlaylistID playlist_id, ShowPlaylistEntry const& entry);
/** Insert the given playlist entry at the given index */
void insert_entry(ShowPlaylistID playlist_id, ShowPlaylistEntry const& entry, int index);
/** Set the values in the database from entry */
void update_entry(ShowPlaylistID, int index, ShowPlaylistEntry const& entry);
/** Remove a playlist entry from the database */
void remove_entry(ShowPlaylistID, int index);
/** Move the given playlist entry one place higher (earlier) */
void move_entry_up(ShowPlaylistID, int index);
/** Move the given playlist entry one place lower (later) */
void move_entry_down(ShowPlaylistID, int index);
/** Move the given playlist entry to the given index */
void move_entry(ShowPlaylistID playlist_id, int old_index, int new_index);
void read_legacy(boost::filesystem::path dir);
private:
void setup_tables();
void setup();
std::vector<ShowPlaylistEntry> entries(std::string const& where, std::function<void (SQLiteStatement&)> bind) const;
void swap_entries(ShowPlaylistID playlist_id, int index);
SQLiteTable _show_playlists;
SQLiteTable _entries;
mutable SQLiteDatabase _db;
};
#endif
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