/
flysystem.go
218 lines (195 loc) · 4.73 KB
/
flysystem.go
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package flysystem
import (
"fmt"
"io"
"net/url"
"reflect"
"strings"
"sync"
"github.com/pkg6/gfs"
)
type Flysystem struct {
disk string
diskAdapters map[string]IAdapter
diskNames []string
l *sync.Mutex
}
func NewConfig(config any) (*Flysystem, error) {
fs := &Flysystem{l: &sync.Mutex{}, diskAdapters: make(map[string]IAdapter)}
err := fs.ExtendConfigPtr(config)
return fs, err
}
func New() *Flysystem {
return &Flysystem{diskAdapters: make(map[string]IAdapter), l: &sync.Mutex{}}
}
func NewAdapters(adapters ...IAdapter) *Flysystem {
f := &Flysystem{diskAdapters: make(map[string]IAdapter), l: &sync.Mutex{}}
for _, adapter := range adapters {
f.Extend(adapter)
}
return f
}
func (f *Flysystem) ExtendConfigPtr(config any) error {
v := reflect.ValueOf(config)
t := reflect.TypeOf(config)
if t.Kind() == reflect.Ptr {
for i := 0; i < v.Elem().NumField(); i++ {
e := v.Elem().Field(i)
if !e.IsZero() {
if fsConfig, ok := e.Interface().(IConfig); ok {
var diskName string
gfsName := t.Elem().Field(i).Tag.Get(gfs.ConfigPtrTag)
if gfsName == "" {
diskName = t.Elem().Field(i).Name
} else {
split := strings.Split(gfsName, ",")
diskName = split[0]
if len(split) > 2 && split[1] == gfs.ConfigPtrSplitTagDefaultDisk {
if f.disk == "" {
f.disk = diskName
}
}
}
f.Extend(fsConfig.New(), diskName)
}
}
}
return nil
}
return fmt.Errorf("the data type is incorrect %v", config)
}
// Extend 扩展
func (f *Flysystem) Extend(adapter IAdapter, names ...string) *Flysystem {
f.l.Lock()
defer f.l.Unlock()
name := adapter.DiskName()
if len(names) > 0 {
name = names[0]
}
f.diskAdapters[name] = adapter
f.diskNames = append(f.diskNames, name)
return f
}
// Disks 获取注册所有的驱动
func (f *Flysystem) Disks() []string {
return f.diskNames
}
// DiskExist 判断驱动是否存在
func (f *Flysystem) DiskExist(disk string) bool {
_, ok := f.diskAdapters[disk]
return ok
}
func (f *Flysystem) Disk(disk string) string {
if disk != "" {
f.disk = disk
}
if f.disk == "" {
f.disk = f.diskNames[0]
}
return f.disk
}
// Adapter Find Adapter
func (f *Flysystem) Adapter(disk string) (IAdapter, error) {
if adapter, ok := f.diskAdapters[f.Disk(disk)]; ok {
return adapter, nil
}
return nil, fmt.Errorf("unable to find【%s】disk", f.disk)
}
func (f *Flysystem) GFSAdapter(disk string) (gfs.IAdapter, error) {
adapter, err := f.Adapter(disk)
if err != nil {
return nil, err
}
return adapter.GFSAdapter(), nil
}
func (f *Flysystem) URL(path string) (*url.URL, error) {
adapter, err := f.Adapter("")
if err != nil {
return nil, err
}
return adapter.URL(path)
}
func (f *Flysystem) Exists(path string) (bool, error) {
adapter, err := f.Adapter("")
if err != nil {
return false, err
}
return adapter.Exists(path)
}
func (f *Flysystem) WriteReader(path string, reader io.Reader) (string, error) {
adapter, err := f.Adapter("")
if err != nil {
return "", err
}
return adapter.WriteReader(path, reader)
}
func (f *Flysystem) Write(path string, contents []byte) (string, error) {
adapter, err := f.Adapter("")
if err != nil {
return "", err
}
return adapter.Write(path, contents)
}
func (f *Flysystem) WriteStream(path, resource string) (string, error) {
adapter, err := f.Adapter("")
if err != nil {
return "", err
}
return adapter.WriteStream(path, resource)
}
func (f *Flysystem) Update(path string, contents []byte) (string, error) {
adapter, err := f.Adapter("")
if err != nil {
return "", err
}
return adapter.Update(path, contents)
}
func (f *Flysystem) UpdateStream(path, resource string) (string, error) {
adapter, err := f.Adapter("")
if err != nil {
return "", err
}
return adapter.UpdateStream(path, resource)
}
func (f *Flysystem) Read(path string) ([]byte, error) {
adapter, err := f.Adapter("")
if err != nil {
return nil, err
}
return adapter.Read(path)
}
func (f *Flysystem) Delete(path string) (int64, error) {
adapter, err := f.Adapter("")
if err != nil {
return 0, err
}
return adapter.Delete(path)
}
func (f *Flysystem) MimeType(path string) (string, error) {
adapter, err := f.Adapter("")
if err != nil {
return "", err
}
return adapter.MimeType(path)
}
func (f *Flysystem) Size(path string) (int64, error) {
adapter, err := f.Adapter("")
if err != nil {
return 0, err
}
return adapter.Size(path)
}
func (f *Flysystem) Move(source, destination string) (bool, error) {
adapter, err := f.Adapter("")
if err != nil {
return false, err
}
return adapter.Move(source, destination)
}
func (f *Flysystem) Copy(source, destination string) (bool, error) {
adapter, err := f.Adapter("")
if err != nil {
return false, err
}
return adapter.Copy(source, destination)
}