87 lines
2.2 KiB
Go
87 lines
2.2 KiB
Go
package metadata
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import (
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"git.lumeweb.com/LumeWeb/libs5-go/encoding"
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"git.lumeweb.com/LumeWeb/libs5-go/types"
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"github.com/vmihailenco/msgpack/v5"
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)
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type ExtraMetadata struct {
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Data map[int]interface{}
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}
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func NewExtraMetadata(data map[int]interface{}) *ExtraMetadata {
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return &ExtraMetadata{
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Data: data,
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}
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}
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func (em *ExtraMetadata) ToJSON() map[string]interface{} {
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jsonObject := make(map[string]interface{})
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names := map[types.MetadataExtension]string{
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types.MetadataExtensionLicenses: "licenses",
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types.MetadataExtensionDonationKeys: "donationKeys",
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types.MetadataExtensionWikidataClaims: "wikidataClaims",
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types.MetadataExtensionLanguages: "languages",
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types.MetadataExtensionSourceUris: "sourceUris",
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types.MetadataExtensionPreviousVersions: "previousVersions",
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types.MetadataExtensionTimestamp: "timestamp",
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types.MetadataExtensionOriginalTimestamp: "originalTimestamp",
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types.MetadataExtensionTags: "tags",
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types.MetadataExtensionCategories: "categories",
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types.MetadataExtensionBasicMediaMetadata: "basicMediaMetadata",
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types.MetadataExtensionViewTypes: "viewTypes",
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types.MetadataExtensionBridge: "bridge",
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types.MetadataExtensionRoutingHints: "routingHints",
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}
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for key, value := range em.Data {
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name, ok := names[types.MetadataExtension(key)]
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if ok {
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if types.MetadataExtension(key) == types.MetadataExtensionUpdateCID {
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cid, err := encoding.CIDFromBytes(value.([]byte))
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var cidString string
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if err == nil {
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cidString, err = cid.ToString()
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}
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if err == nil {
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jsonObject["updateCID"] = cidString
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} else {
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jsonObject["updateCID"] = ""
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}
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} else {
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jsonObject[name] = value
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}
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}
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}
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return jsonObject
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}
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func (em *ExtraMetadata) DecodeMsgpack(dec *msgpack.Decoder) error {
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mapLen, err := dec.DecodeMapLen()
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if err != nil {
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return err
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}
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for i := 0; i < mapLen; i++ {
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key, err := dec.DecodeInt8()
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if err != nil {
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return err
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}
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value, err := dec.DecodeInterface()
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if err != nil {
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return err
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}
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em.Data[int(key)] = value
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}
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return nil
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}
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func (em ExtraMetadata) EncodeMsgpack(enc *msgpack.Encoder) error {
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return enc.Encode(em.Data)
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}
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