mirror of
https://github.com/JuLi0n21/pwa-player.git
synced 2026-04-19 23:40:05 +00:00
317 lines
7.3 KiB
Go
317 lines
7.3 KiB
Go
package main
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import (
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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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func initDB(connectionString string, osuDb *parser.OsuDB) (*sql.DB, error) {
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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, 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, fmt.Errorf("failed to open SQLite database %s: %v", connectionString, err)
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}
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if err = createDB(db); err != nil {
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return nil, err
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}
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if err = checkhealth(db, osuDb); err != nil {
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if err = rebuildDb(db, osuDb); err != nil {
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return nil, err
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}
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}
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return db, nil
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}
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func createDB(db *sql.DB) error {
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_, err := db.Query(`
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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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AudioFileName TEXT DEFAULT 'unknown.mp3',
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MD5Hash TEXT DEFAULT '00000000000000000000000000000000',
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FileName TEXT DEFAULT 'unknown.osu',
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RankedStatus TEXT DEFAULT Unknown,
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LastModifiedTime DATETIME DEFAULT '0001-01-01 00:00:00',
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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 DATETIME DEFAULT '0001-01-01 00:00:00',
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FolderName TEXT DEFAULT 'Unknown Folder',
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UNIQUE (Artist, Title, MD5Hash, Difficulty)
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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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return nil
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}
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func checkhealth(db *sql.DB, osuDb *parser.OsuDB) error {
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rows, err := db.Query(`SELECT COUNT(*) FROM Beatmap GROUP BY BeatmapSetId;`)
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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(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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rows, err = db.Query(`SELECT COUNT(*) FROM Beatmap;`)
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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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if count != int(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 rebuildDb(db *sql.DB, osuDb *parser.OsuDB) error {
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if _, err := db.Query("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, AudioFileName, MD5Hash, FileName, RankedStatus,
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LastModifiedTime, TotalTime, AudioPreviewTime, BeatmapSetId,
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Source, Tags, LastPlayed, FolderName
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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 getBeatmapCount(db *sql.DB) int {
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rows, err := db.Query("SELECT COUNT(*) FROM Beatmap")
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if err != nil {
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log.Println(err)
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return 0
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}
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defer rows.Close()
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var count int
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if rows.Next() {
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err = rows.Scan(&count)
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if err != nil {
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log.Println(err)
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return 0
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}
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} else {
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return 0
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}
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return count
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}
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func getRecent(db *sql.DB, limit, offset int) ([]Song, error) {
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rows, err := db.Query("SELECT * FROM Songs ORDER BY LastPlayed DESC LIMIT ? OFFSET ?", limit, offset)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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return scanSongs(rows)
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}
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func getSearch(db *sql.DB, q string, limit, offset int) (ActiveSearch, error) {
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rows, err := db.Query("SELECT * FROM Songs WHERE Title LIKE ? OR Artist LIKE ? LIMIT ? OFFSET ?", "%"+q+"%", "%"+q+"%", limit, offset)
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if err != nil {
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return ActiveSearch{}, err
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}
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defer rows.Close()
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_, err = scanSongs(rows)
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if err != nil {
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return ActiveSearch{}, err
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}
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return ActiveSearch{}, nil
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}
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func getArtists(db *sql.DB, q string, limit, offset int) ([]string, error) {
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rows, err := db.Query("SELECT * FROM Songs WHERE Title LIKE ? OR Artist LIKE ? LIMIT ? OFFSET ?", "%"+q+"%", "%"+q+"%", limit, offset)
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if err != nil {
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return []string{}, err
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}
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defer rows.Close()
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_, err = scanSongs(rows)
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if err != nil {
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return []string{}, err
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}
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return []string{}, nil
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}
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func getFavorites(db *sql.DB, q string, limit, offset int) ([]Song, error) {
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rows, err := db.Query("SELECT * FROM Songs WHERE IsFavorite = 1 LIMIT ? OFFSET ?", limit, offset)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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return scanSongs(rows)
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}
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func getCollection(db *sql.DB, index int) (Collection, error) {
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row := db.QueryRow("SELECT * FROM Collections WHERE CollectionId = ?", index)
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return scanCollection(row)
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}
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func getCollections(db *sql.DB, q string, limit, offset int) ([]Collection, error) {
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//not correct
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rows, err := db.Query("SELECT * FROM Collections WHERE name = ? LIMIT ? OFFSET ?", q, limit, offset)
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if err != nil {
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return []Collection{}, err
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}
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return scanCollections(rows)
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}
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func getSong(db *sql.DB, hash string) (Song, error) {
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row := db.QueryRow("SELECT * FROM Songs WHERE MD5Hash = ?", hash)
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return scanSong(row)
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}
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func scanSongs(rows *sql.Rows) ([]Song, error) {
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var songs []Song
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for rows.Next() {
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var s Song
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if err := rows.Scan(&s); err != nil {
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return []Song{}, err
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}
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songs = append(songs, s)
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}
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return songs, nil
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}
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func scanSong(row *sql.Row) (Song, error) {
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var s Song
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if err := row.Scan(&s); err != nil {
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return Song{}, err
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}
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return s, nil
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}
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func scanCollections(rows *sql.Rows) ([]Collection, error) {
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var collection []Collection
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for rows.Next() {
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var c Collection
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if err := rows.Scan(&c); err != nil {
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return []Collection{}, err
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}
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collection = append(collection, c)
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}
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return collection, nil
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}
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func scanCollection(row *sql.Row) (Collection, error) {
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var c Collection
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if err := row.Scan(&c); err != nil {
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return Collection{}, err
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}
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return c, nil
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}
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func scanCollectionPreviews(rows *sql.Rows) ([]CollectionPreview, error) {
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var collection []CollectionPreview
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for rows.Next() {
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var c CollectionPreview
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if err := rows.Scan(&c); err != nil {
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return []CollectionPreview{}, err
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}
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collection = append(collection, c)
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}
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return collection, nil
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}
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func scanCollectionPreview(row *sql.Row) (CollectionPreview, error) {
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var c CollectionPreview
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if err := row.Scan(&c); err != nil {
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return CollectionPreview{}, err
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}
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return c, nil
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}
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