refactor: move shared packages up a level

This commit is contained in:
sentriz
2022-04-13 00:09:10 +01:00
parent 165904c2bb
commit 8b803ecf20
53 changed files with 65 additions and 68 deletions

139
db/db.go Normal file
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package db
import (
"errors"
"fmt"
"log"
"net/url"
"os"
"strings"
"github.com/jinzhu/gorm"
)
func DefaultOptions() url.Values {
return url.Values{
// with this, multiple connections share a single data and schema cache.
// see https://www.sqlite.org/sharedcache.html
"cache": {"shared"},
// with this, the db sleeps for a little while when locked. can prevent
// a SQLITE_BUSY. see https://www.sqlite.org/c3ref/busy_timeout.html
"_busy_timeout": {"30000"},
"_journal_mode": {"WAL"},
"_foreign_keys": {"true"},
}
}
func mockOptions() url.Values {
return url.Values{
"_foreign_keys": {"true"},
}
}
type DB struct {
*gorm.DB
}
func New(path string, options url.Values) (*DB, error) {
// https://github.com/mattn/go-sqlite3#connection-string
url := url.URL{
Scheme: "file",
Opaque: path,
}
url.RawQuery = options.Encode()
db, err := gorm.Open("sqlite3", url.String())
if err != nil {
return nil, fmt.Errorf("with gorm: %w", err)
}
db.SetLogger(log.New(os.Stdout, "gorm ", 0))
db.DB().SetMaxOpenConns(1)
return &DB{DB: db}, nil
}
func NewMock() (*DB, error) {
return New(":memory:", mockOptions())
}
func (db *DB) GetSetting(key string) (string, error) {
setting := &Setting{}
if err := db.Where("key=?", key).First(setting).Error; err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
return "", err
}
return setting.Value, nil
}
func (db *DB) SetSetting(key, value string) error {
return db.
Where(Setting{Key: key}).
Assign(Setting{Value: value}).
FirstOrCreate(&Setting{}).
Error
}
func (db *DB) InsertBulkLeftMany(table string, head []string, left int, col []int) error {
if len(col) == 0 {
return nil
}
var rows []string
var values []interface{}
for _, c := range col {
rows = append(rows, "(?, ?)")
values = append(values, left, c)
}
q := fmt.Sprintf("INSERT OR IGNORE INTO %q (%s) VALUES %s",
table,
strings.Join(head, ", "),
strings.Join(rows, ", "),
)
return db.Exec(q, values...).Error
}
func (db *DB) GetUserByID(id int) *User {
user := &User{}
err := db.
Where("id=?", id).
First(user).
Error
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil
}
return user
}
func (db *DB) GetUserByName(name string) *User {
user := &User{}
err := db.
Where("name=?", name).
First(user).
Error
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil
}
return user
}
func (db *DB) Begin() *DB {
return &DB{DB: db.DB.Begin()}
}
type ChunkFunc func(*gorm.DB, []int64) error
func (db *DB) TransactionChunked(data []int64, cb ChunkFunc) error {
if len(data) == 0 {
return nil
}
// https://sqlite.org/limits.html
const size = 999
return db.Transaction(func(tx *gorm.DB) error {
for i := 0; i < len(data); i += size {
end := i + size
if end > len(data) {
end = len(data)
}
if err := cb(tx, data[i:end]); err != nil {
return err
}
}
return nil
})
}

52
db/db_test.go Normal file
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package db
import (
"io"
"log"
"math/rand"
"os"
"testing"
_ "github.com/jinzhu/gorm/dialects/sqlite"
"github.com/matryer/is"
)
func randKey() string {
letters := []rune("abcdef0123456789")
b := make([]rune, 16)
for i := range b {
b[i] = letters[rand.Intn(len(letters))]
}
return string(b)
}
func TestGetSetting(t *testing.T) {
key := randKey()
value := "howdy"
is := is.New(t)
testDB, err := NewMock()
if err != nil {
t.Fatalf("error creating db: %v", err)
}
if err := testDB.Migrate(MigrationContext{}); err != nil {
t.Fatalf("error migrating db: %v", err)
}
is.NoErr(testDB.SetSetting(key, value))
actual, err := testDB.GetSetting(key)
is.NoErr(err)
is.Equal(actual, value)
is.NoErr(testDB.SetSetting(key, value))
actual, err = testDB.GetSetting(key)
is.NoErr(err)
is.Equal(actual, value)
}
func TestMain(m *testing.M) {
log.SetOutput(io.Discard)
os.Exit(m.Run())
}

334
db/migrations.go Normal file
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package db
import (
"errors"
"fmt"
"log"
"github.com/jinzhu/gorm"
"gopkg.in/gormigrate.v1"
)
type MigrationContext struct {
OriginalMusicPath string
}
func (db *DB) Migrate(ctx MigrationContext) error {
options := &gormigrate.Options{
TableName: "migrations",
IDColumnName: "id",
IDColumnSize: 255,
UseTransaction: false,
}
// $ date '+%Y%m%d%H%M'
migrations := []*gormigrate.Migration{
construct(ctx, "202002192100", migrateInitSchema),
construct(ctx, "202002192019", migrateCreateInitUser),
construct(ctx, "202002192222", migrateMergePlaylist),
construct(ctx, "202003111222", migrateCreateTranscode),
construct(ctx, "202003121330", migrateAddGenre),
construct(ctx, "202003241509", migrateUpdateTranscodePrefIDX),
construct(ctx, "202004302006", migrateAddAlbumIDX),
construct(ctx, "202012151806", migrateMultiGenre),
construct(ctx, "202101081149", migrateListenBrainz),
construct(ctx, "202101111537", migratePodcast),
construct(ctx, "202102032210", migrateBookmarks),
construct(ctx, "202102191448", migratePodcastAutoDownload),
construct(ctx, "202110041330", migrateAlbumCreatedAt),
construct(ctx, "202111021951", migrateAlbumRootDir),
construct(ctx, "202201042236", migrateArtistGuessedFolder),
construct(ctx, "202202092013", migrateArtistCover),
construct(ctx, "202202121809", migrateAlbumRootDirAgain),
construct(ctx, "202202241218", migratePublicPlaylist),
}
return gormigrate.
New(db.DB, options, migrations).
Migrate()
}
func construct(ctx MigrationContext, id string, f func(*gorm.DB, MigrationContext) error) *gormigrate.Migration {
return &gormigrate.Migration{
ID: id,
Migrate: func(db *gorm.DB) error {
tx := db.Begin()
defer tx.Commit()
if err := f(tx, ctx); err != nil {
return fmt.Errorf("%q: %w", id, err)
}
log.Printf("migration '%s' finished", id)
return nil
},
Rollback: func(*gorm.DB) error {
return nil
},
}
}
func migrateInitSchema(tx *gorm.DB, _ MigrationContext) error {
return tx.AutoMigrate(
Genre{},
TrackGenre{},
AlbumGenre{},
Track{},
Artist{},
User{},
Setting{},
Play{},
Album{},
Playlist{},
PlayQueue{},
).
Error
}
func migrateCreateInitUser(tx *gorm.DB, _ MigrationContext) error {
const (
initUsername = "admin"
initPassword = "admin"
)
err := tx.
Where("name=?", initUsername).
First(&User{}).
Error
if !errors.Is(err, gorm.ErrRecordNotFound) {
return nil
}
return tx.Create(&User{
Name: initUsername,
Password: initPassword,
IsAdmin: true,
}).
Error
}
func migrateMergePlaylist(tx *gorm.DB, _ MigrationContext) error {
if !tx.HasTable("playlist_items") {
return nil
}
return tx.Exec(`
UPDATE playlists
SET items=( SELECT group_concat(track_id) FROM (
SELECT track_id
FROM playlist_items
WHERE playlist_items.playlist_id=playlists.id
ORDER BY created_at
) );
DROP TABLE playlist_items;`,
).
Error
}
func migrateCreateTranscode(tx *gorm.DB, _ MigrationContext) error {
return tx.AutoMigrate(
TranscodePreference{},
).
Error
}
func migrateAddGenre(tx *gorm.DB, _ MigrationContext) error {
return tx.AutoMigrate(
Genre{},
Album{},
Track{},
).
Error
}
func migrateUpdateTranscodePrefIDX(tx *gorm.DB, _ MigrationContext) error {
var hasIDX int
tx.
Select("1").
Table("sqlite_master").
Where("type = ?", "index").
Where("name = ?", "idx_user_id_client").
Count(&hasIDX)
if hasIDX == 1 {
// index already exists
return nil
}
step := tx.Exec(`
ALTER TABLE transcode_preferences RENAME TO transcode_preferences_orig;
`)
if err := step.Error; err != nil {
return fmt.Errorf("step rename: %w", err)
}
step = tx.AutoMigrate(
TranscodePreference{},
)
if err := step.Error; err != nil {
return fmt.Errorf("step create: %w", err)
}
step = tx.Exec(`
INSERT INTO transcode_preferences (user_id, client, profile)
SELECT user_id, client, profile
FROM transcode_preferences_orig;
DROP TABLE transcode_preferences_orig;
`)
if err := step.Error; err != nil {
return fmt.Errorf("step copy: %w", err)
}
return nil
}
func migrateAddAlbumIDX(tx *gorm.DB, _ MigrationContext) error {
return tx.AutoMigrate(
Album{},
).
Error
}
func migrateMultiGenre(tx *gorm.DB, _ MigrationContext) error {
step := tx.AutoMigrate(
Genre{},
TrackGenre{},
AlbumGenre{},
Track{},
Album{},
)
if err := step.Error; err != nil {
return fmt.Errorf("step auto migrate: %w", err)
}
var genreCount int
tx.
Model(Genre{}).
Count(&genreCount)
if genreCount == 0 {
return nil
}
step = tx.Exec(`
INSERT INTO track_genres (track_id, genre_id)
SELECT id, tag_genre_id
FROM tracks
WHERE tag_genre_id IS NOT NULL;
UPDATE tracks SET tag_genre_id=NULL;
`)
if err := step.Error; err != nil {
return fmt.Errorf("step migrate track genres: %w", err)
}
step = tx.Exec(`
INSERT INTO album_genres (album_id, genre_id)
SELECT id, tag_genre_id
FROM albums
WHERE tag_genre_id IS NOT NULL;
UPDATE albums SET tag_genre_id=NULL;
`)
if err := step.Error; err != nil {
return fmt.Errorf("step migrate album genres: %w", err)
}
return nil
}
func migrateListenBrainz(tx *gorm.DB, _ MigrationContext) error {
step := tx.AutoMigrate(
User{},
)
if err := step.Error; err != nil {
return fmt.Errorf("step auto migrate: %w", err)
}
return nil
}
func migratePodcast(tx *gorm.DB, _ MigrationContext) error {
return tx.AutoMigrate(
Podcast{},
PodcastEpisode{},
).
Error
}
func migrateBookmarks(tx *gorm.DB, _ MigrationContext) error {
return tx.AutoMigrate(
Bookmark{},
).
Error
}
func migratePodcastAutoDownload(tx *gorm.DB, _ MigrationContext) error {
return tx.AutoMigrate(
Podcast{},
).
Error
}
func migrateAlbumCreatedAt(tx *gorm.DB, _ MigrationContext) error {
step := tx.AutoMigrate(
Album{},
)
if err := step.Error; err != nil {
return fmt.Errorf("step auto migrate: %w", err)
}
step = tx.Exec(`
UPDATE albums SET created_at=modified_at;
`)
if err := step.Error; err != nil {
return fmt.Errorf("step migrate album created_at: %w", err)
}
return nil
}
func migrateAlbumRootDir(tx *gorm.DB, ctx MigrationContext) error {
step := tx.AutoMigrate(
Album{},
)
if err := step.Error; err != nil {
return fmt.Errorf("step auto migrate: %w", err)
}
step = tx.Exec(`
DROP INDEX IF EXISTS idx_left_path_right_path;
`)
if err := step.Error; err != nil {
return fmt.Errorf("step drop idx: %w", err)
}
step = tx.Exec(`
UPDATE albums SET root_dir=? WHERE root_dir IS NULL
`, ctx.OriginalMusicPath)
if err := step.Error; err != nil {
return fmt.Errorf("step drop idx: %w", err)
}
return nil
}
func migrateArtistGuessedFolder(tx *gorm.DB, ctx MigrationContext) error {
return tx.AutoMigrate(Artist{}).Error
}
func migrateArtistCover(tx *gorm.DB, ctx MigrationContext) error {
step := tx.AutoMigrate(
Artist{},
)
if err := step.Error; err != nil {
return fmt.Errorf("step auto migrate: %w", err)
}
if !tx.Dialect().HasColumn("artists", "guessed_folder_id") {
return nil
}
step = tx.Exec(`
ALTER TABLE artists DROP COLUMN guessed_folder_id
`)
if err := step.Error; err != nil {
return fmt.Errorf("step drop column: %w", err)
}
return nil
}
// there was an issue with that migration, try it again since it's updated
func migrateAlbumRootDirAgain(tx *gorm.DB, ctx MigrationContext) error {
return migrateAlbumRootDir(tx, ctx)
}
func migratePublicPlaylist(tx *gorm.DB, ctx MigrationContext) error {
return tx.AutoMigrate(Playlist{}).Error
}

401
db/model.go Normal file
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// Package db provides database helpers and models
//nolint:lll // struct tags get very long and can't be split
package db
// see this db fiddle to mess around with the schema
// https://www.db-fiddle.com/f/wJ7z8L7mu6ZKaYmWk1xr1p/5
import (
"path"
"path/filepath"
"strconv"
"strings"
"time"
// TODO: remove this dep
"go.senan.xyz/gonic/server/ctrlsubsonic/specid"
"go.senan.xyz/gonic/mime"
)
func splitInt(in, sep string) []int {
if in == "" {
return []int{}
}
parts := strings.Split(in, sep)
ret := make([]int, 0, len(parts))
for _, p := range parts {
i, _ := strconv.Atoi(p)
ret = append(ret, i)
}
return ret
}
func joinInt(in []int, sep string) string {
if in == nil {
return ""
}
strs := make([]string, 0, len(in))
for _, i := range in {
strs = append(strs, strconv.Itoa(i))
}
return strings.Join(strs, sep)
}
type Artist struct {
ID int `gorm:"primary_key"`
Name string `gorm:"not null; unique_index"`
NameUDec string `sql:"default: null"`
Albums []*Album `gorm:"foreignkey:TagArtistID"`
AlbumCount int `sql:"-"`
Cover string `sql:"default: null"`
}
func (a *Artist) SID() *specid.ID {
return &specid.ID{Type: specid.Artist, Value: a.ID}
}
func (a *Artist) IndexName() string {
if len(a.NameUDec) > 0 {
return a.NameUDec
}
return a.Name
}
type Genre struct {
ID int `gorm:"primary_key"`
Name string `gorm:"not null; unique_index"`
AlbumCount int `sql:"-"`
TrackCount int `sql:"-"`
}
// AudioFile is used to avoid some duplication in handlers_raw.go
// between Track and Podcast
type AudioFile interface {
Ext() string
MIME() string
AudioFilename() string
AudioBitrate() int
AudioLength() int
}
type Track struct {
ID int `gorm:"primary_key"`
CreatedAt time.Time
UpdatedAt time.Time
Filename string `gorm:"not null; unique_index:idx_folder_filename" sql:"default: null"`
FilenameUDec string `sql:"default: null"`
Album *Album
AlbumID int `gorm:"not null; unique_index:idx_folder_filename" sql:"default: null; type:int REFERENCES albums(id) ON DELETE CASCADE"`
Artist *Artist
ArtistID int `gorm:"not null" sql:"default: null; type:int REFERENCES artists(id) ON DELETE CASCADE"`
Genres []*Genre `gorm:"many2many:track_genres"`
Size int `sql:"default: null"`
Length int `sql:"default: null"`
Bitrate int `sql:"default: null"`
TagTitle string `sql:"default: null"`
TagTitleUDec string `sql:"default: null"`
TagTrackArtist string `sql:"default: null"`
TagTrackNumber int `sql:"default: null"`
TagDiscNumber int `sql:"default: null"`
TagBrainzID string `sql:"default: null"`
}
func (t *Track) AudioLength() int { return t.Length }
func (t *Track) AudioBitrate() int { return t.Bitrate }
func (t *Track) SID() *specid.ID {
return &specid.ID{Type: specid.Track, Value: t.ID}
}
func (t *Track) AlbumSID() *specid.ID {
return &specid.ID{Type: specid.Album, Value: t.AlbumID}
}
func (t *Track) ArtistSID() *specid.ID {
return &specid.ID{Type: specid.Artist, Value: t.ArtistID}
}
func (t *Track) Ext() string {
longExt := path.Ext(t.Filename)
if len(longExt) < 1 {
return ""
}
return longExt[1:]
}
func (t *Track) AudioFilename() string {
return t.Filename
}
func (t *Track) MIME() string {
v, _ := mime.FromExtension(t.Ext())
return v
}
func (t *Track) AbsPath() string {
if t.Album == nil {
return ""
}
return path.Join(
t.Album.RootDir,
t.Album.LeftPath,
t.Album.RightPath,
t.Filename,
)
}
func (t *Track) RelPath() string {
if t.Album == nil {
return ""
}
return path.Join(
t.Album.LeftPath,
t.Album.RightPath,
t.Filename,
)
}
func (t *Track) GenreStrings() []string {
strs := make([]string, 0, len(t.Genres))
for _, genre := range t.Genres {
strs = append(strs, genre.Name)
}
return strs
}
type User struct {
ID int `gorm:"primary_key"`
CreatedAt time.Time
Name string `gorm:"not null; unique_index" sql:"default: null"`
Password string `gorm:"not null" sql:"default: null"`
LastFMSession string `sql:"default: null"`
ListenBrainzURL string `sql:"default: null"`
ListenBrainzToken string `sql:"default: null"`
IsAdmin bool `sql:"default: null"`
}
type Setting struct {
Key string `gorm:"not null; primary_key; auto_increment:false" sql:"default: null"`
Value string `sql:"default: null"`
}
type Play struct {
ID int `gorm:"primary_key"`
User *User
UserID int `gorm:"not null; index" sql:"default: null; type:int REFERENCES users(id) ON DELETE CASCADE"`
Album *Album
AlbumID int `gorm:"not null; index" sql:"default: null; type:int REFERENCES albums(id) ON DELETE CASCADE"`
Time time.Time `sql:"default: null"`
Count int
}
type Album struct {
ID int `gorm:"primary_key"`
CreatedAt time.Time
UpdatedAt time.Time
ModifiedAt time.Time
LeftPath string `gorm:"unique_index:idx_album_abs_path"`
RightPath string `gorm:"not null; unique_index:idx_album_abs_path" sql:"default: null"`
RightPathUDec string `sql:"default: null"`
Parent *Album
ParentID int `sql:"default: null; type:int REFERENCES albums(id) ON DELETE CASCADE"`
RootDir string `gorm:"unique_index:idx_album_abs_path" sql:"default: null"`
Genres []*Genre `gorm:"many2many:album_genres"`
Cover string `sql:"default: null"`
TagArtist *Artist
TagArtistID int `gorm:"index" sql:"default: null; type:int REFERENCES artists(id) ON DELETE CASCADE"`
TagTitle string `sql:"default: null"`
TagTitleUDec string `sql:"default: null"`
TagBrainzID string `sql:"default: null"`
TagYear int `sql:"default: null"`
Tracks []*Track
ChildCount int `sql:"-"`
Duration int `sql:"-"`
}
func (a *Album) SID() *specid.ID {
return &specid.ID{Type: specid.Album, Value: a.ID}
}
func (a *Album) ParentSID() *specid.ID {
return &specid.ID{Type: specid.Album, Value: a.ParentID}
}
func (a *Album) IndexRightPath() string {
if len(a.RightPathUDec) > 0 {
return a.RightPathUDec
}
return a.RightPath
}
func (a *Album) GenreStrings() []string {
strs := make([]string, 0, len(a.Genres))
for _, genre := range a.Genres {
strs = append(strs, genre.Name)
}
return strs
}
type Playlist struct {
ID int `gorm:"primary_key"`
CreatedAt time.Time
UpdatedAt time.Time
User *User
UserID int `sql:"default: null; type:int REFERENCES users(id) ON DELETE CASCADE"`
Name string
Comment string
TrackCount int
Items string
IsPublic bool `sql:"default: null"`
}
func (p *Playlist) GetItems() []int {
return splitInt(p.Items, ",")
}
func (p *Playlist) SetItems(items []int) {
p.Items = joinInt(items, ",")
p.TrackCount = len(items)
}
type PlayQueue struct {
ID int `gorm:"primary_key"`
CreatedAt time.Time
UpdatedAt time.Time
User *User
UserID int `sql:"default: null; type:int REFERENCES users(id) ON DELETE CASCADE"`
Current int
Position int
ChangedBy string
Items string
}
func (p *PlayQueue) CurrentSID() *specid.ID {
return &specid.ID{Type: specid.Track, Value: p.Current}
}
func (p *PlayQueue) GetItems() []int {
return splitInt(p.Items, ",")
}
func (p *PlayQueue) SetItems(items []int) {
p.Items = joinInt(items, ",")
}
type TranscodePreference struct {
User *User
UserID int `gorm:"not null; unique_index:idx_user_id_client" sql:"default: null; type:int REFERENCES users(id) ON DELETE CASCADE"`
Client string `gorm:"not null; unique_index:idx_user_id_client" sql:"default: null"`
Profile string `gorm:"not null" sql:"default: null"`
}
type TrackGenre struct {
Track *Track
TrackID int `gorm:"not null; unique_index:idx_track_id_genre_id" sql:"default: null; type:int REFERENCES tracks(id) ON DELETE CASCADE"`
Genre *Genre
GenreID int `gorm:"not null; unique_index:idx_track_id_genre_id" sql:"default: null; type:int REFERENCES genres(id) ON DELETE CASCADE"`
}
type AlbumGenre struct {
Album *Album
AlbumID int `gorm:"not null; unique_index:idx_album_id_genre_id" sql:"default: null; type:int REFERENCES albums(id) ON DELETE CASCADE"`
Genre *Genre
GenreID int `gorm:"not null; unique_index:idx_album_id_genre_id" sql:"default: null; type:int REFERENCES genres(id) ON DELETE CASCADE"`
}
type PodcastAutoDownload string
const (
PodcastAutoDownloadLatest PodcastAutoDownload = "latest"
PodcastAutoDownloadNone PodcastAutoDownload = "none"
)
type Podcast struct {
ID int `gorm:"primary_key"`
UpdatedAt time.Time
ModifiedAt time.Time
UserID int `sql:"default: null; type:int REFERENCES users(id) ON DELETE CASCADE"`
URL string
Title string
Description string
ImageURL string
ImagePath string
Error string
Episodes []*PodcastEpisode
AutoDownload PodcastAutoDownload
}
func (p *Podcast) Fullpath(podcastPath string) string {
sanitizedTitle := strings.ReplaceAll(p.Title, "/", "_")
return filepath.Join(podcastPath, filepath.Clean(sanitizedTitle))
}
func (p *Podcast) SID() *specid.ID {
return &specid.ID{Type: specid.Podcast, Value: p.ID}
}
type PodcastEpisodeStatus string
const (
PodcastEpisodeStatusDownloading PodcastEpisodeStatus = "downloading"
PodcastEpisodeStatusSkipped PodcastEpisodeStatus = "skipped"
PodcastEpisodeStatusDeleted PodcastEpisodeStatus = "deleted"
PodcastEpisodeStatusCompleted PodcastEpisodeStatus = "completed"
PodcastEpisodeStatusError PodcastEpisodeStatus = "error"
)
type PodcastEpisode struct {
ID int `gorm:"primary_key"`
CreatedAt time.Time
UpdatedAt time.Time
ModifiedAt time.Time
PodcastID int `gorm:"not null" sql:"default: null; type:int REFERENCES podcasts(id) ON DELETE CASCADE"`
Title string
Description string
PublishDate *time.Time
AudioURL string
Bitrate int
Length int
Size int
Path string
Filename string
Status PodcastEpisodeStatus
Error string
}
func (pe *PodcastEpisode) AudioLength() int { return pe.Length }
func (pe *PodcastEpisode) AudioBitrate() int { return pe.Bitrate }
func (pe *PodcastEpisode) SID() *specid.ID {
return &specid.ID{Type: specid.PodcastEpisode, Value: pe.ID}
}
func (pe *PodcastEpisode) AudioFilename() string {
return pe.Filename
}
func (pe *PodcastEpisode) Ext() string {
longExt := path.Ext(pe.Filename)
if len(longExt) < 1 {
return ""
}
return longExt[1:]
}
func (pe *PodcastEpisode) MIME() string {
v, _ := mime.FromExtension(pe.Ext())
return v
}
type Bookmark struct {
ID int `gorm:"primary_key"`
User *User
UserID int `sql:"default: null; type:int REFERENCES users(id) ON DELETE CASCADE"`
Position int
Comment string
EntryIDType string
EntryID int
CreatedAt time.Time
UpdatedAt time.Time
}