feat: refactor storage configuration to use dedicated storage package and add new storage types

BREAKING CHANGE: remove deprecated config

config/storage/alist.go

@@ -0,0 +1,38 @@
+package storage
+
+import (
+	"fmt"
+
+	"github.com/krau/SaveAny-Bot/types"
+)
+
+type AlistStorageConfig struct {
+	BaseConfig
+	URL      string `toml:"url" mapstructure:"url" json:"url"`
+	Username string `toml:"username" mapstructure:"username" json:"username"`
+	Password string `toml:"password" mapstructure:"password" json:"password"`
+	Token    string `toml:"token" mapstructure:"token" json:"token"`
+	BasePath string `toml:"base_path" mapstructure:"base_path" json:"base_path"`
+	TokenExp int64  `toml:"token_exp" mapstructure:"token_exp" json:"token_exp"`
+}
+
+func (a *AlistStorageConfig) Validate() error {
+	if a.URL == "" {
+		return fmt.Errorf("url is required for alist storage")
+	}
+	if a.Token == "" && (a.Username == "" || a.Password == "") {
+		return fmt.Errorf("username and password or token is required for alist storage")
+	}
+	if a.BasePath == "" {
+		return fmt.Errorf("base_path is required for alist storage")
+	}
+	return nil
+}
+
+func (a *AlistStorageConfig) GetType() types.StorageType {
+	return types.StorageTypeAlist
+}
+
+func (a *AlistStorageConfig) GetName() string {
+	return a.Name
+}

config/storage/factory.go

@@ -0,0 +1,63 @@
+package storage
+
+import (
+	"fmt"
+	"reflect"
+
+	"github.com/krau/SaveAny-Bot/types"
+	"github.com/mitchellh/mapstructure"
+	"github.com/spf13/viper"
+)
+
+var storageFactories = map[types.StorageType]func(cfg *BaseConfig) (StorageConfig, error){
+	types.StorageTypeLocal:  createStorageConfig(&LocalStorageConfig{}),
+	types.StorageTypeAlist:  createStorageConfig(&AlistStorageConfig{}),
+	types.StorageTypeWebdav: createStorageConfig(&WebdavStorageConfig{}),
+	types.StorageTypeMinio:  createStorageConfig(&MinioStorageConfig{}),
+}
+
+func createStorageConfig(configType StorageConfig) func(cfg *BaseConfig) (StorageConfig, error) {
+	return func(cfg *BaseConfig) (StorageConfig, error) {
+		configValue := reflect.New(reflect.TypeOf(configType).Elem()).Interface().(StorageConfig)
+
+		reflect.ValueOf(configValue).Elem().FieldByName("BaseConfig").Set(reflect.ValueOf(*cfg))
+
+		if err := mapstructure.Decode(cfg.RawConfig, configValue); err != nil {
+			return nil, fmt.Errorf("failed to decode %s storage config: %w", cfg.Type, err)
+		}
+
+		return configValue, nil
+	}
+}
+
+func LoadStorageConfigs(v *viper.Viper) ([]StorageConfig, error) {
+	var baseConfigs []BaseConfig
+	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
+}

config/storage/local.go

@@ -0,0 +1,27 @@
+package storage
+
+import (
+	"fmt"
+
+	"github.com/krau/SaveAny-Bot/types"
+)
+
+type LocalStorageConfig struct {
+	BaseConfig
+	BasePath string `toml:"base_path" mapstructure:"base_path" json:"base_path"`
+}
+
+func (l *LocalStorageConfig) Validate() error {
+	if l.BasePath == "" {
+		return fmt.Errorf("path is required for local storage")
+	}
+	return nil
+}
+
+func (l *LocalStorageConfig) GetType() types.StorageType {
+	return types.StorageTypeLocal
+}
+
+func (l *LocalStorageConfig) GetName() string {
+	return l.Name
+}

config/storage/minio.go

@@ -0,0 +1,41 @@
+package storage
+
+import (
+	"fmt"
+
+	"github.com/krau/SaveAny-Bot/types"
+)
+
+type MinioStorageConfig struct {
+	BaseConfig
+	Endpoint        string `toml:"endpoint" mapstructure:"endpoint" json:"endpoint"`
+	AccessKeyID     string `toml:"access_key_id" mapstructure:"access_key_id" json:"access_key_id"`
+	SecretAccessKey string `toml:"secret_access_key" mapstructure:"secret_access_key" json:"secret_access_key"`
+	BucketName      string `toml:"bucket_name" mapstructure:"bucket_name" json:"bucket_name"`
+	UseSSL          bool   `toml:"use_ssl" mapstructure:"use_ssl" json:"use_ssl"`
+	BasePath        string `toml:"base_path" mapstructure:"base_path" json:"base_path"`
+}
+
+func (m *MinioStorageConfig) Validate() error {
+	if m.Endpoint == "" {
+		return fmt.Errorf("endpoint is required for minio storage")
+	}
+	if m.AccessKeyID == "" || m.SecretAccessKey == "" {
+		return fmt.Errorf("access_key_id and secret_access_key are required for minio storage")
+	}
+	if m.BucketName == "" {
+		return fmt.Errorf("bucket_name is required for minio storage")
+	}
+	if m.BasePath == "" {
+		return fmt.Errorf("base_path is required for minio storage")
+	}
+	return nil
+}
+
+func (m *MinioStorageConfig) GetType() types.StorageType {
+	return types.StorageTypeMinio
+}
+
+func (m *MinioStorageConfig) GetName() string {
+	return m.Name
+}

config/storage/types.go

@@ -0,0 +1,16 @@
+package storage
+
+import "github.com/krau/SaveAny-Bot/types"
+
+type StorageConfig interface {
+	Validate() error
+	GetType() types.StorageType
+	GetName() string
+}
+
+type BaseConfig 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"`
+}

config/storage/webdav.go

@@ -0,0 +1,36 @@
+package storage
+
+import (
+	"fmt"
+
+	"github.com/krau/SaveAny-Bot/types"
+)
+
+type WebdavStorageConfig struct {
+	BaseConfig
+	URL      string `toml:"url" mapstructure:"url" json:"url"`
+	Username string `toml:"username" mapstructure:"username" json:"username"`
+	Password string `toml:"password" mapstructure:"password" json:"password"`
+	BasePath string `toml:"base_path" mapstructure:"base_path" json:"base_path"`
+}
+
+func (w *WebdavStorageConfig) Validate() error {
+	if w.URL == "" {
+		return fmt.Errorf("url is required for webdav storage")
+	}
+	if w.Username == "" || w.Password == "" {
+		return fmt.Errorf("username and password is required for webdav storage")
+	}
+	if w.BasePath == "" {
+		return fmt.Errorf("base_path is required for webdav storage")
+	}
+	return nil
+}
+
+func (w *WebdavStorageConfig) GetType() types.StorageType {
+	return types.StorageTypeWebdav
+}
+
+func (w *WebdavStorageConfig) GetName() string {
+	return w.Name
+}