oxyromon 0.8.1

Rusty ROM OrgaNizer
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use super::database::*;
use super::import_roms::import_rom;
use super::model::*;
use super::progress::*;
use super::util::*;
use super::SimpleResult;
use async_std::path::Path;
use clap::{App, Arg, ArgMatches, SubCommand};
use indicatif::ProgressBar;
use quick_xml::de;
use rayon::prelude::*;
use regex::Regex;
use shiratsu_naming::naming::nointro::{NoIntroName, NoIntroToken};
use shiratsu_naming::naming::TokenizedName;
use shiratsu_naming::region::Region;
use sqlx::sqlite::SqlitePool;
use std::io;

lazy_static! {
    pub static ref SYSTEM_NAME_REGEX: Regex = Regex::new(r"\(.*\)").unwrap();
}

pub fn subcommand<'a, 'b>() -> App<'a, 'b> {
    SubCommand::with_name("import-dats")
        .about("Parses and imports No-Intro and Redump DAT files into oxyromon")
        .arg(
            Arg::with_name("DATS")
                .help("Sets the DAT files to import")
                .required(true)
                .multiple(true)
                .index(1),
        )
        .arg(
            Arg::with_name("INFO")
                .short("i")
                .long("info")
                .help("Shows the DAT information and exit")
                .required(false),
        )
        .arg(
            Arg::with_name("SKIP_HEADER")
                .short("s")
                .long("skip-header")
                .help("Skips parsing the header even if the system has one")
                .required(false),
        )
        .arg(
            Arg::with_name("FORCE")
                .short("f")
                .long("force")
                .help("Forces import of outdated DAT files")
                .required(false),
        )
}

pub async fn main(
    pool: &SqlitePool,
    matches: &ArgMatches<'_>,
    progress_bar: &ProgressBar,
) -> SimpleResult<()> {
    let dats: Vec<String> = matches.values_of_lossy("DATS").unwrap();

    for dat in dats {
        let (datfile_xml, detector_xml) = parse_dat(
            progress_bar,
            &get_canonicalized_path(&dat).await?,
            matches.is_present("SKIP_HEADER"),
        )?;
        if !matches.is_present("INFO") {
            import_dat(
                pool,
                progress_bar,
                &datfile_xml,
                &detector_xml,
                matches.is_present("FORCE"),
            )
            .await?;
        }
    }

    Ok(())
}

pub fn parse_dat<P: AsRef<Path>>(
    progress_bar: &ProgressBar,
    dat_path: &P,
    skip_header: bool,
) -> SimpleResult<(DatfileXml, Option<DetectorXml>)> {
    let datfile_xml: DatfileXml = try_with!(
        de::from_reader(&mut get_reader_sync(dat_path)?),
        "Failed to parse DAT file"
    );

    // print information
    progress_bar.println(format!("System: {}", datfile_xml.system.name));
    progress_bar.println(format!("Version: {}", datfile_xml.system.version));
    progress_bar.println(format!("Games: {}", datfile_xml.games.len()));

    let mut detector_xml = None;
    if !skip_header {
        if let Some(clr_mame_pro_xml) = &datfile_xml.system.clrmamepro {
            progress_bar.println("Processing header");
            let header_file_name = &clr_mame_pro_xml.header;
            let header_file_path = dat_path.as_ref().parent().unwrap().join(header_file_name);
            let header_file = open_file_sync(&header_file_path.as_path())?;
            let reader = io::BufReader::new(header_file);
            detector_xml = de::from_reader(reader).expect("Failed to parse header file");
        }
    };

    Ok((datfile_xml, detector_xml))
}

pub async fn import_dat(
    pool: &SqlitePool,
    progress_bar: &ProgressBar,
    datfile_xml: &DatfileXml,
    detector_xml: &Option<DetectorXml>,
    force: bool,
) -> SimpleResult<()> {
    // persist system
    progress_bar.println("Processing system");
    let system_id =
        match create_or_update_system(pool, progress_bar, &datfile_xml.system, force).await {
            Some(system_id) => system_id,
            None => return Ok(()),
        };

    // persist header
    if let Some(detector_xml) = detector_xml {
        create_or_update_header(pool, &detector_xml, system_id).await;
    }

    progress_bar.reset();
    progress_bar.set_style(get_count_progress_style());
    progress_bar.set_length(datfile_xml.games.len() as u64);

    // persist games
    let mut orphan_romfile_ids: Vec<i64> = Vec::new();
    progress_bar.println("Deleting old games");
    orphan_romfile_ids.append(&mut delete_old_games(pool, &datfile_xml.games, system_id).await);
    progress_bar.println("Processing games");
    orphan_romfile_ids.append(
        &mut create_or_update_games(pool, &datfile_xml.games, system_id, &progress_bar).await?,
    );
    if !orphan_romfile_ids.is_empty() {
        progress_bar.println("Processing orphan romfiles");
        reimport_orphan_romfiles(pool, system_id, orphan_romfile_ids, progress_bar).await?;
    }

    progress_bar.println("");

    Ok(())
}

fn get_regions_from_game_name(name: &str) -> SimpleResult<String> {
    let name = try_with!(
        NoIntroName::try_parse(name),
        "Failed to parse no-intro name"
    );
    for token in name.iter() {
        if let NoIntroToken::Region(_, regions) = token {
            return Ok(Region::to_normalized_region_string(regions));
        }
    }
    Ok(String::from(""))
}

async fn create_or_update_system(
    pool: &SqlitePool,
    progress_bar: &ProgressBar,
    system_xml: &SystemXml,
    force: bool,
) -> Option<i64> {
    let mut system = find_system_by_name(pool, &system_xml.name).await;
    // temporary workaround to replace the old truncated names with the full dat names
    if system.is_none() {
        system =
            find_system_by_name_like(pool, SYSTEM_NAME_REGEX.replace(&system_xml.name, "").trim())
                .await;
    }
    match system {
        Some(system) => {
            if is_update(progress_bar, &system.version, &system_xml.version) || force {
                update_system(pool, system.id, system_xml).await;
                Some(system.id)
            } else {
                None
            }
        }
        None => Some(create_system(pool, system_xml).await),
    }
}

async fn create_or_update_header(pool: &SqlitePool, detector_xml: &DetectorXml, system_id: i64) {
    let header = find_header_by_system_id(pool, system_id).await;
    match header {
        Some(header) => {
            update_header(pool, header.id, detector_xml, system_id).await;
            header.id
        }
        None => create_header(pool, detector_xml, system_id).await,
    };
}

async fn create_or_update_games(
    pool: &SqlitePool,
    games_xml: &[GameXml],
    system_id: i64,
    progress_bar: &ProgressBar,
) -> SimpleResult<Vec<i64>> {
    let mut orphan_romfile_ids: Vec<i64> = Vec::new();
    let parent_games_xml: Vec<&GameXml> = games_xml
        .iter()
        .filter(|game_xml| game_xml.cloneof.is_none())
        .collect();
    let child_games_xml: Vec<&GameXml> = games_xml
        .iter()
        .filter(|game_xml| game_xml.cloneof.is_some())
        .collect();
    for parent_game_xml in parent_games_xml {
        let game = find_game_by_name_and_system_id(pool, &parent_game_xml.name, system_id).await;
        let game_id = match game {
            Some(game) => {
                update_game(
                    pool,
                    game.id,
                    parent_game_xml,
                    &get_regions_from_game_name(&parent_game_xml.name).unwrap(),
                    system_id,
                    None,
                )
                .await;
                game.id
            }
            None => {
                create_game(
                    pool,
                    parent_game_xml,
                    &get_regions_from_game_name(&parent_game_xml.name).unwrap(),
                    system_id,
                    None,
                )
                .await
            }
        };
        if !parent_game_xml.roms.is_empty() {
            orphan_romfile_ids
                .append(&mut create_or_update_roms(pool, &parent_game_xml.roms, game_id).await);
        }
        orphan_romfile_ids.append(&mut delete_old_roms(pool, &parent_game_xml.roms, game_id).await);
        progress_bar.inc(1)
    }
    for child_game_xml in child_games_xml {
        let game = find_game_by_name_and_system_id(pool, &child_game_xml.name, system_id).await;
        let parent_game = find_game_by_name_and_system_id(
            pool,
            child_game_xml.cloneof.as_ref().unwrap(),
            system_id,
        )
        .await
        .unwrap();
        let game_id = match game {
            Some(game) => {
                update_game(
                    pool,
                    game.id,
                    child_game_xml,
                    &get_regions_from_game_name(&child_game_xml.name).unwrap(),
                    system_id,
                    Some(parent_game.id),
                )
                .await;
                game.id
            }
            None => {
                create_game(
                    pool,
                    child_game_xml,
                    &get_regions_from_game_name(&child_game_xml.name).unwrap(),
                    system_id,
                    Some(parent_game.id),
                )
                .await
            }
        };
        if !child_game_xml.roms.is_empty() {
            orphan_romfile_ids
                .append(&mut create_or_update_roms(pool, &child_game_xml.roms, game_id).await);
        }
        orphan_romfile_ids.append(&mut delete_old_roms(pool, &child_game_xml.roms, game_id).await);
        progress_bar.inc(1)
    }
    Ok(orphan_romfile_ids)
}

async fn create_or_update_roms(pool: &SqlitePool, roms_xml: &[RomXml], game_id: i64) -> Vec<i64> {
    let mut orphan_romfile_ids: Vec<i64> = Vec::new();
    for rom_xml in roms_xml {
        let rom = find_rom_by_name_and_game_id(pool, &rom_xml.name, game_id).await;
        match rom {
            Some(rom) => {
                update_rom(pool, rom.id, &rom_xml, game_id).await;
                if rom_xml.size != rom.size || rom_xml.crc != rom.crc {
                    if let Some(romfile_id) = rom.romfile_id {
                        orphan_romfile_ids.push(romfile_id);
                        update_rom_romfile(pool, rom.id, None).await;
                    }
                }
                rom.id
            }
            None => create_rom(pool, &rom_xml, game_id).await,
        };
    }
    orphan_romfile_ids
}

async fn delete_old_games(pool: &SqlitePool, games_xml: &[GameXml], system_id: i64) -> Vec<i64> {
    let mut orphan_romfile_ids: Vec<i64> = Vec::new();
    let game_names_xml: Vec<&String> = games_xml.iter().map(|game_xml| &game_xml.name).collect();
    let games: Vec<Game> = find_games_by_system_id(pool, system_id)
        .await
        .into_par_iter()
        .filter(|game| !game_names_xml.contains(&&game.name))
        .collect();
    for game in games {
        orphan_romfile_ids.extend(
            find_roms_by_game_id(pool, game.id)
                .await
                .into_iter()
                .filter_map(|rom| rom.romfile_id),
        );
        delete_game_by_name_and_system_id(pool, &game.name, system_id).await;
    }
    orphan_romfile_ids
}

async fn delete_old_roms(pool: &SqlitePool, roms_xml: &[RomXml], game_id: i64) -> Vec<i64> {
    let rom_names_xml: Vec<&String> = roms_xml.iter().map(|rom_xml| &rom_xml.name).collect();
    let rom_names_romfile_ids: Vec<(String, Option<i64>)> = find_roms_by_game_id(pool, game_id)
        .await
        .into_par_iter()
        .map(|rom| (rom.name, rom.romfile_id))
        .collect();
    let mut orphan_romfile_ids: Vec<i64> = Vec::new();
    for (rom_name, rom_romfile_id) in &rom_names_romfile_ids {
        if !rom_names_xml.contains(&rom_name) {
            delete_rom_by_name_and_game_id(pool, &rom_name, game_id).await;
            if let Some(romfile_id) = rom_romfile_id {
                orphan_romfile_ids.push(*romfile_id);
            }
        }
    }
    orphan_romfile_ids
}

async fn reimport_orphan_romfiles(
    pool: &SqlitePool,
    system_id: i64,
    orphan_romfile_ids: Vec<i64>,
    progress_bar: &ProgressBar,
) -> SimpleResult<()> {
    let system = find_system_by_id(pool, system_id).await;
    let header = find_header_by_system_id(pool, system_id).await;
    let system_directory = get_system_directory(pool, &system).await?;
    for romfile_id in orphan_romfile_ids {
        let romfile = find_romfile_by_id(pool, romfile_id).await;
        delete_romfile_by_id(pool, romfile_id).await;
        import_rom(
            pool,
            progress_bar,
            &system_directory,
            &system,
            &header,
            &Path::new(&romfile.path),
        )
        .await?;
    }
    Ok(())
}

#[cfg(test)]
mod test {
    use super::super::config::*;
    use super::super::database::*;
    use super::*;
    use async_std::fs;
    use async_std::path::PathBuf;
    use tempfile::{NamedTempFile, TempDir};

    #[async_std::test]
    async fn test_import_dat() {
        // given
        let test_directory = Path::new("test");
        let progress_bar = ProgressBar::hidden();

        let db_file = NamedTempFile::new().unwrap();
        let pool = establish_connection(db_file.path().to_str().unwrap()).await;

        let dat_path = test_directory.join("Test System (20200721).dat");
        let (datfile_xml, detector_xml) = parse_dat(&progress_bar, &dat_path, false).unwrap();

        // when
        import_dat(&pool, &progress_bar, &datfile_xml, &detector_xml, false)
            .await
            .unwrap();

        // then
        let systems = find_systems(&pool).await;
        assert_eq!(systems.len(), 1);

        let system = systems.get(0).unwrap();
        assert_eq!(system.name, "Test System");

        assert_eq!(find_games(&pool).await.len(), 6);
        assert_eq!(find_roms(&pool).await.len(), 8);
    }

    #[async_std::test]
    async fn test_import_dat_parent_clone() {
        // given
        let test_directory = Path::new("test");
        let progress_bar = ProgressBar::hidden();

        let db_file = NamedTempFile::new().unwrap();
        let pool = establish_connection(db_file.path().to_str().unwrap()).await;

        let dat_path = test_directory.join("Test System (20200721) (Parent-Clone).dat");
        let (datfile_xml, detector_xml) = parse_dat(&progress_bar, &dat_path, false).unwrap();

        // when
        import_dat(&pool, &progress_bar, &datfile_xml, &detector_xml, false)
            .await
            .unwrap();

        // then
        let systems = find_systems(&pool).await;
        assert_eq!(systems.len(), 1);

        let system = systems.get(0).unwrap();
        assert_eq!(system.name, "Test System");

        assert_eq!(find_games(&pool).await.len(), 4);
        assert_eq!(find_roms(&pool).await.len(), 4);
    }

    #[async_std::test]
    async fn test_import_dat_headered() {
        // given
        let test_directory = Path::new("test");
        let progress_bar = ProgressBar::hidden();

        let db_file = NamedTempFile::new().unwrap();
        let pool = establish_connection(db_file.path().to_str().unwrap()).await;

        let dat_path = test_directory.join("Test System (20210402) (Headered).dat");
        let (datfile_xml, detector_xml) = parse_dat(&progress_bar, &dat_path, false).unwrap();

        // when
        import_dat(&pool, &progress_bar, &datfile_xml, &detector_xml, false)
            .await
            .unwrap();

        // then
        let systems = find_systems(&pool).await;
        assert_eq!(systems.len(), 1);

        let system = systems.get(0).unwrap();
        assert_eq!(system.name, "Test System");

        assert!(find_header_by_system_id(&pool, system.id).await.is_some());

        assert_eq!(find_games(&pool).await.len(), 1);
        assert_eq!(find_roms(&pool).await.len(), 1);
    }

    #[async_std::test]
    async fn test_import_dat_headered_skip_header() {
        // given
        let test_directory = Path::new("test");
        let progress_bar = ProgressBar::hidden();

        let db_file = NamedTempFile::new().unwrap();
        let pool = establish_connection(db_file.path().to_str().unwrap()).await;

        let dat_path = test_directory.join("Test System (20210402) (Headered).dat");
        let (datfile_xml, detector_xml) = parse_dat(&progress_bar, &dat_path, true).unwrap();

        // when
        import_dat(&pool, &progress_bar, &datfile_xml, &detector_xml, false)
            .await
            .unwrap();

        // then
        let systems = find_systems(&pool).await;
        assert_eq!(systems.len(), 1);

        let system = systems.get(0).unwrap();
        assert_eq!(system.name, "Test System");

        assert!(find_header_by_system_id(&pool, system.id).await.is_none());

        assert_eq!(find_games(&pool).await.len(), 1);
        assert_eq!(find_roms(&pool).await.len(), 1);
    }

    #[async_std::test]
    async fn test_import_updated_dat() {
        // given
        let _guard = MUTEX.lock().await;

        let test_directory = Path::new("test");
        let progress_bar = ProgressBar::hidden();

        let db_file = NamedTempFile::new().unwrap();
        let pool = establish_connection(db_file.path().to_str().unwrap()).await;

        let dat_path = test_directory.join("Test System (20200721).dat");
        let (datfile_xml, detector_xml) = parse_dat(&progress_bar, &dat_path, false).unwrap();

        import_dat(&pool, &progress_bar, &datfile_xml, &detector_xml, false)
            .await
            .unwrap();

        let rom_directory = TempDir::new_in(&test_directory).unwrap();
        let rom_directory = set_rom_directory(PathBuf::from(rom_directory.path()));
        let tmp_directory = TempDir::new_in(&test_directory).unwrap();
        let tmp_directory = set_tmp_directory(PathBuf::from(tmp_directory.path()));
        let system_directory = &rom_directory.join("Test System");
        create_directory(&system_directory).await.unwrap();
        create_directory(&system_directory.join("Trash"))
            .await
            .unwrap();

        let system = find_systems(&pool).await.remove(0);

        let romfile_names = vec![
            "Test Game (Asia).rom",
            "Test Game (Japan).rom",
            "Test Game (USA, Europe).rom",
        ];
        for romfile_name in romfile_names {
            let romfile_path = tmp_directory.join(romfile_name);
            fs::copy(
                test_directory.join(romfile_name),
                &romfile_path.as_os_str().to_str().unwrap(),
            )
            .await
            .unwrap();
            import_rom(
                &pool,
                &progress_bar,
                &system_directory,
                &system,
                &None,
                &romfile_path,
            )
            .await
            .unwrap();
        }

        let dat_path = test_directory.join("Test System (20210401).dat");
        let (datfile_xml, detector_xml) = parse_dat(&progress_bar, &dat_path, false).unwrap();

        // when
        import_dat(&pool, &progress_bar, &datfile_xml, &detector_xml, false)
            .await
            .unwrap();

        // then
        let systems = find_systems(&pool).await;
        assert_eq!(systems.len(), 1);

        let system = systems.get(0).unwrap();
        assert_eq!(system.name, "Test System");

        let games = find_games(&pool).await;
        let roms = find_roms(&pool).await;
        let romfiles = find_romfiles(&pool).await;

        assert_eq!(games.len(), 3);
        assert_eq!(roms.len(), 3);
        assert_eq!(romfiles.len(), 3);

        let game = games.get(0).unwrap();
        let rom = roms.get(0).unwrap();
        let romfile = romfiles.get(1).unwrap();

        assert_eq!(game.name, "Test Game (Asia)");
        assert_eq!(rom.name, "Test Game (Asia).rom");
        assert!(rom.romfile_id.is_none());
        assert!(romfile.path.contains("/Trash/"));

        let game = games.get(1).unwrap();
        let rom = roms.get(2).unwrap();
        let romfile = romfiles.get(2).unwrap();

        assert_eq!(game.name, "Test Game (USA, Europe)");
        assert_eq!(rom.name, "Updated Test Game (USA, Europe).rom");
        assert!(rom.romfile_id.is_some());
        assert_eq!(rom.romfile_id.unwrap(), romfile.id);

        let game = games.get(2).unwrap();
        let rom = roms.get(1).unwrap();
        let romfile = romfiles.get(0).unwrap();

        assert_eq!(game.name, "Updated Test Game (Japan)");
        assert_eq!(rom.name, "Test Game (Japan).rom");
        assert!(rom.romfile_id.is_some());
        assert_eq!(rom.romfile_id.unwrap(), romfile.id);
    }

    #[async_std::test]
    async fn test_import_outdated_dat_should_do_nothing() {
        // given
        let test_directory = Path::new("test");
        let progress_bar = ProgressBar::hidden();

        let db_file = NamedTempFile::new().unwrap();
        let pool = establish_connection(db_file.path().to_str().unwrap()).await;

        let dat_path = test_directory.join("Test System (20200721).dat");
        let (datfile_xml, detector_xml) = parse_dat(&progress_bar, &dat_path, false).unwrap();

        import_dat(&pool, &progress_bar, &datfile_xml, &detector_xml, false)
            .await
            .unwrap();

        let dat_path = test_directory.join("Test System (20000000).dat");
        let (datfile_xml, detector_xml) = parse_dat(&progress_bar, &dat_path, false).unwrap();

        // when
        import_dat(&pool, &progress_bar, &datfile_xml, &detector_xml, false)
            .await
            .unwrap();

        // then
        let systems = find_systems(&pool).await;
        assert_eq!(systems.len(), 1);

        let system = systems.get(0).unwrap();
        assert_eq!(system.name, "Test System");

        assert_eq!(find_games(&pool).await.len(), 6);
        assert_eq!(find_roms(&pool).await.len(), 8);
    }

    #[async_std::test]
    async fn test_import_outdated_dat_forced_should_import() {
        // given
        let test_directory = Path::new("test");
        let progress_bar = ProgressBar::hidden();

        let db_file = NamedTempFile::new().unwrap();
        let pool = establish_connection(db_file.path().to_str().unwrap()).await;

        let dat_path = test_directory.join("Test System (20200721).dat");
        let (datfile_xml, detector_xml) = parse_dat(&progress_bar, &dat_path, false).unwrap();

        import_dat(&pool, &progress_bar, &datfile_xml, &detector_xml, false)
            .await
            .unwrap();

        let dat_path = test_directory.join("Test System (20000000).dat");
        let (datfile_xml, detector_xml) = parse_dat(&progress_bar, &dat_path, false).unwrap();

        // when
        import_dat(&pool, &progress_bar, &datfile_xml, &detector_xml, true)
            .await
            .unwrap();

        // then
        let systems = find_systems(&pool).await;
        assert_eq!(systems.len(), 1);

        let system = systems.get(0).unwrap();
        assert_eq!(system.name, "Test System");

        assert_eq!(find_games(&pool).await.len(), 3);
        assert_eq!(find_roms(&pool).await.len(), 3);
    }

    #[test]
    fn test_get_regions_from_game_name_world() {
        // given
        let game_name = "Test Game (World)";

        // when
        let regions = get_regions_from_game_name(game_name).unwrap();

        // then
        assert_eq!(regions, "US-JP-EU");
    }

    #[test]
    fn test_get_regions_from_game_name_france_germany() {
        // given
        let game_name = "Test Game (France, Germany)";

        // when
        let regions = get_regions_from_game_name(game_name).unwrap();

        // then
        assert_eq!(regions, "FR-DE");
    }
}