Files
SaveAny-Bot/config/storage_factory.go

105 lines
2.9 KiB
Go

package config
import (
"fmt"
"github.com/krau/SaveAny-Bot/types"
"github.com/mitchellh/mapstructure"
"github.com/spf13/viper"
)
type StorageConfig interface {
Validate() error
GetType() types.StorageType
GetName() string
}
// Base storage config
type NewStorageConfig struct {
Name string `toml:"name" mapstructure:"name" json:"name"`
Type string `toml:"type" mapstructure:"type" json:"type"`
Enable bool `toml:"enable" mapstructure:"enable" json:"enable"`
RawConfig map[string]any `toml:"-" mapstructure:",remain"`
}
var storageFactories = map[types.StorageType]func(cfg *NewStorageConfig) (StorageConfig, error){
types.StorageTypeLocal: newLocalStorageConfig,
types.StorageTypeAlist: newAlistStorageConfig,
types.StorageTypeWebdav: newWebdavStorageConfig,
types.StorageTypeMinio: newMinioStorageConfig,
}
func LoadStorageConfigs(v *viper.Viper) ([]StorageConfig, error) {
var baseConfigs []NewStorageConfig
if err := v.UnmarshalKey("storages", &baseConfigs); err != nil {
return nil, fmt.Errorf("failed to unmarshal storage configs: %w", err)
}
var configs []StorageConfig
for _, baseCfg := range baseConfigs {
if !baseCfg.Enable {
continue
}
factory, ok := storageFactories[types.StorageType(baseCfg.Type)]
if !ok {
return nil, fmt.Errorf("unsupported storage type: %s", baseCfg.Type)
}
cfg, err := factory(&baseCfg)
if err != nil {
return nil, fmt.Errorf("failed to create storage config for %s: %w", baseCfg.Name, err)
}
if err := cfg.Validate(); err != nil {
return nil, fmt.Errorf("invalid storage config for %s: %w", baseCfg.Name, err)
}
configs = append(configs, cfg)
}
return configs, nil
}
func newLocalStorageConfig(cfg *NewStorageConfig) (StorageConfig, error) {
var localCfg LocalStorageConfig
localCfg.NewStorageConfig = *cfg
if err := mapstructure.Decode(cfg.RawConfig, &localCfg); err != nil {
return nil, fmt.Errorf("failed to decode local storage config: %w", err)
}
return &localCfg, nil
}
func newAlistStorageConfig(cfg *NewStorageConfig) (StorageConfig, error) {
var alistCfg AlistStorageConfig
alistCfg.NewStorageConfig = *cfg
if err := mapstructure.Decode(cfg.RawConfig, &alistCfg); err != nil {
return nil, fmt.Errorf("failed to decode alist storage config: %w", err)
}
return &alistCfg, nil
}
func newWebdavStorageConfig(cfg *NewStorageConfig) (StorageConfig, error) {
var webdavCfg WebdavStorageConfig
webdavCfg.NewStorageConfig = *cfg
if err := mapstructure.Decode(cfg.RawConfig, &webdavCfg); err != nil {
return nil, fmt.Errorf("failed to decode webdav storage config: %w", err)
}
return &webdavCfg, nil
}
func newMinioStorageConfig(cfg *NewStorageConfig) (StorageConfig, error) {
var minioCfg MinioStorageConfig
minioCfg.NewStorageConfig = *cfg
if err := mapstructure.Decode(cfg.RawConfig, &minioCfg); err != nil {
return nil, fmt.Errorf("failed to decode minio storage config: %w", err)
}
return &minioCfg, nil
}