linstrom/storage/storage.go
mStar d99efca667
Merge branch 'main' of gitlab.com:mstarongitlab/linstrom
also delete server-old with all its problems
2024-09-13 20:41:47 +02:00

69 lines
1.7 KiB
Go

// TODO: Unify function names
// Storage is the handler for cache and db access
// It handles storing various data in the database as well as caching that data
// Said data includes notes, accounts, metadata about media files, servers and similar
package storage
import (
"errors"
"fmt"
"github.com/glebarez/sqlite"
"gitlab.com/mstarongitlab/linstrom/storage/cache"
"gorm.io/driver/postgres"
"gorm.io/gorm"
)
// Storage is responsible for all database, cache and media related actions
// and serves as the lowest layer of the cake
type Storage struct {
db *gorm.DB
cache *cache.Cache
}
var ErrInvalidData = errors.New("invalid data")
// Build a new storage using sqlite as database backend
func NewStorageSqlite(filePath string, cache *cache.Cache) (*Storage, error) {
db, err := gorm.Open(sqlite.Open(filePath))
if err != nil {
return nil, err
}
return storageFromEmptyDb(db, cache)
}
func NewStoragePostgres(dbUrl string, cache *cache.Cache) (*Storage, error) {
db, err := gorm.Open(postgres.Open(dbUrl))
if err != nil {
return nil, err
}
return storageFromEmptyDb(db, cache)
}
func storageFromEmptyDb(db *gorm.DB, cache *cache.Cache) (*Storage, error) {
// AutoMigrate ensures the db is in a state where all the structs given here
// have their own tables and relations setup. It also updates tables if necessary
err := db.AutoMigrate(
MediaMetadata{},
Account{},
RemoteServer{},
Note{},
Role{},
PasskeySession{},
)
if err != nil {
return nil, err
}
// And finally, build the actual storage struct
return &Storage{
db: db,
cache: cache,
}, nil
}
// TODO: Placeholder. Update to proper implementation later. Including signature
func (s *Storage) FindLocalAccount(handle string) (string, error) {
return handle, nil
}