refactor: move directoryReferenceMap and fileReferenceMap to its own file

This commit is contained in:
Derrick Hammer 2024-01-05 04:43:46 -05:00
parent d39f959e31
commit c3a696138a
Signed by: pcfreak30
GPG Key ID: C997C339BE476FF2
2 changed files with 152 additions and 146 deletions

View File

@ -1,22 +1,12 @@
package metadata
import (
"encoding/json"
"errors"
"fmt"
"git.lumeweb.com/LumeWeb/libs5-go/serialize"
"git.lumeweb.com/LumeWeb/libs5-go/types"
"github.com/emirpasic/gods/maps/linkedhashmap"
"github.com/vmihailenco/msgpack/v5"
)
type directoryReferenceMap struct {
linkedhashmap.Map
}
type fileReferenceMap struct {
linkedhashmap.Map
}
type DirectoryMetadata struct {
Details DirectoryMetadataDetails `json:"details"`
Directories directoryReferenceMap `json:"directories"`
@ -26,7 +16,6 @@ type DirectoryMetadata struct {
}
var _ SerializableMetadata = (*DirectoryMetadata)(nil)
var _ SerializableMetadata = (*directoryReferenceMap)(nil)
func NewDirectoryMetadata(details DirectoryMetadataDetails, directories directoryReferenceMap, files fileReferenceMap, extraMetadata ExtraMetadata) *DirectoryMetadata {
dirMetadata := &DirectoryMetadata{
@ -101,138 +90,3 @@ func (dm *DirectoryMetadata) DecodeMsgpack(dec *msgpack.Decoder) error {
return nil
}
func (drm directoryReferenceMap) EncodeMsgpack(enc *msgpack.Encoder) error {
return marshallMapMsgpack(enc, &drm.Map)
}
func (drm *directoryReferenceMap) DecodeMsgpack(dec *msgpack.Decoder) error {
return unmarshalMapMsgpack(dec, &drm.Map, &DirectoryReference{})
}
func (frm fileReferenceMap) EncodeMsgpack(enc *msgpack.Encoder) error {
return marshallMapMsgpack(enc, &frm.Map)
}
func (frm *fileReferenceMap) DecodeMsgpack(dec *msgpack.Decoder) error {
return unmarshalMapMsgpack(dec, &frm.Map, &FileReference{})
}
func (frm *fileReferenceMap) UnmarshalJSON(bytes []byte) error {
createFileInstance := func() interface{} { return &FileReference{} }
return unmarshalMapJson(bytes, &frm.Map, createFileInstance)
}
type unmarshalNewInstanceFunc func() interface{}
func (drm *directoryReferenceMap) UnmarshalJSON(bytes []byte) error {
createDirInstance := func() interface{} { return &DirectoryReference{} }
return unmarshalMapJson(bytes, &drm.Map, createDirInstance)
}
func unmarshalMapMsgpack(dec *msgpack.Decoder, m *linkedhashmap.Map, placeholder interface{}) error {
*m = *linkedhashmap.New()
l, err := dec.DecodeMapLen()
if err != nil {
return err
}
for i := 0; i < l; i++ {
key, err := dec.DecodeString()
if err != nil {
return err
}
fmt.Println("dir: ", key)
switch placeholder.(type) {
case *DirectoryReference:
var value DirectoryReference
if err := dec.Decode(&value); err != nil {
return err
}
m.Put(key, value)
case *FileReference:
var file FileReference
if err := dec.Decode(&file); err != nil {
return err
}
m.Put(key, file)
default:
return fmt.Errorf("unsupported type for decoding")
}
}
return nil
}
func marshallMapMsgpack(enc *msgpack.Encoder, m *linkedhashmap.Map) error {
// First, encode the length of the map
if err := enc.EncodeMapLen(m.Size()); err != nil {
return err
}
iter := m.Iterator()
for iter.Next() {
key := iter.Key().(string)
if err := enc.EncodeString(key); err != nil {
return err
}
value := iter.Value()
switch v := value.(type) {
case FileReference:
if err := enc.Encode(&v); err != nil {
return err
}
case DirectoryReference:
if err := enc.Encode(&v); err != nil {
return err
}
default:
return fmt.Errorf("unsupported type for encoding")
}
}
return nil
}
func unmarshalMapJson(bytes []byte, m *linkedhashmap.Map, newInstance unmarshalNewInstanceFunc) error {
*m = *linkedhashmap.New()
err := m.FromJSON(bytes)
if err != nil {
return err
}
iter := m.Iterator()
for iter.Next() {
key := iter.Key()
val := iter.Value()
instance := newInstance()
data, err := json.Marshal(val)
if err != nil {
return err
}
err = json.Unmarshal(data, &instance)
if err != nil {
return err
}
// Type switch to handle different types
switch v := instance.(type) {
case *DirectoryReference:
m.Put(key, *v)
case *FileReference:
m.Put(key, *v)
default:
return fmt.Errorf("unhandled type: %T", v)
}
}
return nil
}

152
metadata/directory_map.go Normal file
View File

@ -0,0 +1,152 @@
package metadata
import (
"encoding/json"
"fmt"
"github.com/emirpasic/gods/maps/linkedhashmap"
"github.com/vmihailenco/msgpack/v5"
)
type directoryReferenceMap struct {
linkedhashmap.Map
}
type fileReferenceMap struct {
linkedhashmap.Map
}
type unmarshalNewInstanceFunc func() interface{}
var _ SerializableMetadata = (*directoryReferenceMap)(nil)
func unmarshalMapMsgpack(dec *msgpack.Decoder, m *linkedhashmap.Map, placeholder interface{}) error {
*m = *linkedhashmap.New()
l, err := dec.DecodeMapLen()
if err != nil {
return err
}
for i := 0; i < l; i++ {
key, err := dec.DecodeString()
if err != nil {
return err
}
fmt.Println("dir: ", key)
switch placeholder.(type) {
case *DirectoryReference:
var value DirectoryReference
if err := dec.Decode(&value); err != nil {
return err
}
m.Put(key, value)
case *FileReference:
var file FileReference
if err := dec.Decode(&file); err != nil {
return err
}
m.Put(key, file)
default:
return fmt.Errorf("unsupported type for decoding")
}
}
return nil
}
func marshallMapMsgpack(enc *msgpack.Encoder, m *linkedhashmap.Map) error {
// First, encode the length of the map
if err := enc.EncodeMapLen(m.Size()); err != nil {
return err
}
iter := m.Iterator()
for iter.Next() {
key := iter.Key().(string)
if err := enc.EncodeString(key); err != nil {
return err
}
value := iter.Value()
switch v := value.(type) {
case FileReference:
if err := enc.Encode(&v); err != nil {
return err
}
case DirectoryReference:
if err := enc.Encode(&v); err != nil {
return err
}
default:
return fmt.Errorf("unsupported type for encoding")
}
}
return nil
}
func unmarshalMapJson(bytes []byte, m *linkedhashmap.Map, newInstance unmarshalNewInstanceFunc) error {
*m = *linkedhashmap.New()
err := m.FromJSON(bytes)
if err != nil {
return err
}
iter := m.Iterator()
for iter.Next() {
key := iter.Key()
val := iter.Value()
instance := newInstance()
data, err := json.Marshal(val)
if err != nil {
return err
}
err = json.Unmarshal(data, &instance)
if err != nil {
return err
}
// Type switch to handle different types
switch v := instance.(type) {
case *DirectoryReference:
m.Put(key, *v)
case *FileReference:
m.Put(key, *v)
default:
return fmt.Errorf("unhandled type: %T", v)
}
}
return nil
}
func (drm directoryReferenceMap) EncodeMsgpack(enc *msgpack.Encoder) error {
return marshallMapMsgpack(enc, &drm.Map)
}
func (drm *directoryReferenceMap) DecodeMsgpack(dec *msgpack.Decoder) error {
return unmarshalMapMsgpack(dec, &drm.Map, &DirectoryReference{})
}
func (frm fileReferenceMap) EncodeMsgpack(enc *msgpack.Encoder) error {
return marshallMapMsgpack(enc, &frm.Map)
}
func (frm *fileReferenceMap) DecodeMsgpack(dec *msgpack.Decoder) error {
return unmarshalMapMsgpack(dec, &frm.Map, &FileReference{})
}
func (frm *fileReferenceMap) UnmarshalJSON(bytes []byte) error {
createFileInstance := func() interface{} { return &FileReference{} }
return unmarshalMapJson(bytes, &frm.Map, createFileInstance)
}
func (drm *directoryReferenceMap) UnmarshalJSON(bytes []byte) error {
createDirInstance := func() interface{} { return &DirectoryReference{} }
return unmarshalMapJson(bytes, &drm.Map, createDirInstance)
}