mirror of
https://github.com/JuLi0n21/pwa-player.git
synced 2026-04-19 23:40:05 +00:00
315 lines
6.9 KiB
Go
315 lines
6.9 KiB
Go
package main
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import (
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sqlcdb "backend/internal/db"
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"context"
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"database/sql"
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"errors"
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"fmt"
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"log"
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"os"
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"path/filepath"
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"github.com/juli0n21/go-osu-parser/parser"
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_ "modernc.org/sqlite"
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)
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var ErrBeatmapCountNotMatch = errors.New("beatmap count not matching")
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var osuDB *parser.OsuDB
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var osuRoot string
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func initDB(connectionString string, osuDb *parser.OsuDB, osuroot string) (*sql.DB, *sqlcdb.Queries, error) {
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osuDB = osuDb
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osuRoot = osuroot
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dir := filepath.Dir(connectionString)
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if _, err := os.Stat(dir); os.IsNotExist(err) {
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err = os.MkdirAll(dir, 0755)
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if err != nil {
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return nil, nil, fmt.Errorf("failed to create directory %s: %v", dir, err)
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}
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}
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db, err := sql.Open("sqlite", connectionString)
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if err != nil {
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return nil, nil, fmt.Errorf("failed to open SQLite database %s: %v", connectionString, err)
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}
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_, err = db.Exec("PRAGMA temp_store = MEMORY;")
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if err != nil {
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log.Fatal(err)
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}
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if err = createDB(db); err != nil {
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return nil, nil, err
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}
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sqlcQueries := sqlcdb.New(db)
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if err = checkhealth(sqlcQueries, osuDB); err != nil {
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if err = rebuildBeatmapDb(db, osuDB); err != nil {
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return nil, nil, err
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}
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}
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if err = createCollectionDB(db); err != nil {
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return nil, nil, err
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}
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collectionDB, err := parser.ParseCollectionsDB(filepath.Join(osuRoot, "collection.db"))
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if err != nil {
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return nil, nil, err
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}
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if err = checkCollectionHealth(db, collectionDB); err != nil {
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if err = rebuildCollectionDb(db, collectionDB); err != nil {
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return nil, nil, err
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}
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}
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return db, sqlcQueries, nil
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}
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func createDB(db *sql.DB) error {
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_, err := db.Exec(`
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CREATE TABLE IF NOT EXISTS Beatmap (
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BeatmapId INTEGER DEFAULT 0,
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Artist TEXT DEFAULT '?????',
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ArtistUnicode TEXT DEFAULT '?????',
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Title TEXT DEFAULT '???????',
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TitleUnicode TEXT DEFAULT '???????',
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Creator TEXT DEFAULT '?????',
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Difficulty TEXT DEFAULT '1',
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Audio TEXT DEFAULT 'unknown.mp3',
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MD5Hash TEXT DEFAULT '00000000000000000000000000000000',
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File TEXT DEFAULT 'unknown.osu',
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RankedStatus TEXT DEFAULT Unknown,
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LastModifiedTime INTEGER DEFAULT 0,
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TotalTime INTEGER DEFAULT 0,
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AudioPreviewTime INTEGER DEFAULT 0,
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BeatmapSetId INTEGER DEFAULT -1,
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Source TEXT DEFAULT '',
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Tags TEXT DEFAULT '',
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LastPlayed INTEGER DEFAULT 0,
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Folder TEXT DEFAULT 'Unknown Folder',
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UNIQUE (Artist, Title, MD5Hash, Difficulty, Folder)
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);
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`)
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if err != nil {
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return err
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}
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_, err = db.Exec("CREATE INDEX IF NOT EXISTS idx_beatmap_md5hash ON Beatmap(MD5Hash);")
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if err != nil {
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return err
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}
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_, err = db.Exec("CREATE INDEX IF NOT EXISTS idx_beatmap_lastModifiedTime ON Beatmap(LastModifiedTime);")
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if err != nil {
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return err
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}
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_, err = db.Exec("CREATE INDEX IF NOT EXISTS idx_beatmap_title_artist ON Beatmap(Title, Artist);")
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if err != nil {
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return err
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}
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return nil
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}
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func createCollectionDB(db *sql.DB) error {
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_, err := db.Exec(`CREATE TABLE IF NOT EXISTS Collection (
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Name TEXT DEFAULT '',
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MD5Hash TEXT DEFAULT '00000000000000000000000000000000'
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);
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`)
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if err != nil {
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return err
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}
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_, err = db.Exec("CREATE INDEX IF NOT EXISTS idx_collection_name ON Collection(Name);")
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if err != nil {
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return err
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}
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_, err = db.Exec("CREATE INDEX IF NOT EXISTS idx_collection_md5hash ON Collection(MD5Hash);")
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if err != nil {
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return err
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}
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return nil
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}
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func checkhealth(db *sqlcdb.Queries, osuDb *parser.OsuDB) error {
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count, err := db.GetBeatmapSetCount(context.TODO())
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if err != nil {
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return err
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}
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if count != int64(osuDb.FolderCount) {
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log.Println("Folder count missmatch rebuilding db...")
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return ErrBeatmapCountNotMatch
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}
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count, err = db.GetBeatmapCount(context.TODO())
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if err != nil {
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return err
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}
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if count != int64(osuDb.NumberOfBeatmaps) {
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log.Println("Beatmap count missmatch rebuilding db...")
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return ErrBeatmapCountNotMatch
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}
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return nil
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}
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func rebuildBeatmapDb(db *sql.DB, osuDb *parser.OsuDB) error {
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if _, err := db.Exec("DROP TABLE Beatmap"); err != nil {
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return err
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}
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if err := createDB(db); err != nil {
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return err
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}
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stmt, err := db.Prepare(`
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INSERT INTO Beatmap (
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BeatmapId, Artist, ArtistUnicode, Title, TitleUnicode, Creator,
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Difficulty, Audio, MD5Hash, File, RankedStatus,
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LastModifiedTime, TotalTime, AudioPreviewTime, BeatmapSetId,
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Source, Tags, LastPlayed, Folder
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) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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`)
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// ON CONFLICT (Artist, Title, MD5Hash) DO NOTHING
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if err != nil {
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return err
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}
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defer stmt.Close()
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tx, err := db.Begin()
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if err != nil {
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return err
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}
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stmt = tx.Stmt(stmt)
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for i, beatmap := range osuDb.Beatmaps {
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//fmt.Println(i, beatmap.Artist, beatmap.SongTitle, beatmap.MD5Hash)
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_, err := stmt.Exec(
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beatmap.DifficultyID, beatmap.Artist, beatmap.ArtistUnicode,
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beatmap.SongTitle, beatmap.SongTitleUnicode, beatmap.Creator,
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beatmap.Difficulty, beatmap.AudioFileName, beatmap.MD5Hash,
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beatmap.FileName, beatmap.RankedStatus, beatmap.LastModificationTime,
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beatmap.TotalTime, beatmap.AudioPreviewStartTime, beatmap.BeatmapID,
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beatmap.SongSource, beatmap.SongTags, beatmap.LastPlayed, beatmap.FolderName,
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)
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if err != nil {
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fmt.Println(i, "hash: ", beatmap.MD5Hash, "artist:", beatmap.Artist, "title:", beatmap.SongTitle, err)
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}
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}
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if err := tx.Commit(); err != nil {
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return err
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}
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return nil
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}
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func checkCollectionHealth(db *sql.DB, collectionDB *parser.Collections) error {
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rows, err := db.Query(`SELECT COUNT(*) FROM Collection GROUP BY Name;`)
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if err != nil {
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return err
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}
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defer rows.Close()
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var count int
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if err = rows.Scan(&count); err != nil {
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return err
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}
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if count != int(collectionDB.NumberOfCollections) {
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return errors.New("Collection Count Not Matching")
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}
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rows, err = db.Query(`SELECT COUNT(*) FROM Collection;`)
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if err != nil {
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return err
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}
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if err = rows.Scan(&count); err != nil {
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return err
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}
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sum := 0
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for _, col := range collectionDB.Collections {
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sum += len(col.Beatmaps)
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}
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if count != int(sum) {
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return errors.New("Beatmap count missmatch rebuilding collections")
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}
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return nil
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}
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func rebuildCollectionDb(db *sql.DB, collectionDb *parser.Collections) error {
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if _, err := db.Exec("DROP TABLE Collection"); err != nil {
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return err
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}
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if err := createCollectionDB(db); err != nil {
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return err
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}
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stmt, err := db.Prepare(`
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INSERT INTO Collection (
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Name,
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MD5Hash
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) VALUES (?, ?)
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`)
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if err != nil {
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return err
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}
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defer stmt.Close()
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tx, err := db.Begin()
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if err != nil {
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return err
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}
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stmt = tx.Stmt(stmt)
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for _, col := range collectionDb.Collections {
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for _, hash := range col.Beatmaps {
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_, err := stmt.Exec(col.Name, hash)
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if err != nil {
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fmt.Println(err)
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}
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}
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}
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return tx.Commit()
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}
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func extractImageFromFile(osuRoot, folder, file string) string {
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bm, err := parser.ParseOsuFile(filepath.Join(osuRoot, "Songs", folder, file))
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if err != nil {
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fmt.Println(err)
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return "404.png"
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}
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bgImage := bm.BackgroundImage()
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if bgImage != "" {
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return filepath.Join(folder, bgImage)
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}
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return "404.png"
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}
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