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lexutil.Blob: manual JSON marshaling with cid-link
+63
+62
lex/util/util.go
+62
lex/util/util.go
···
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return te.Type, nil
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}
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type LegacyBlob struct {
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Cid string `json:"cid" cborgen:"cid"`
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MimeType string `json:"mimeType" cborgen:"mimeType"`
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}
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type CidLink struct {
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Cid string `json:"$link"`
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}
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type NewBlob struct {
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LexiconTypeID string `json:"$type,omitempty"`
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Ref CidLink `json:"ref" cborgen:"ref"`
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MimeType string `json:"mimeType" cborgen:"mimeType"`
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Size int64 `json:"size" cborgen:"size"`
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}
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type Blob struct {
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Ref cid.Cid `json:"ref" cborgen:"ref"`
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MimeType string `json:"mimeType" cborgen:"mimeType"`
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Size int64 `json:"size" cborgen:"size"`
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}
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func (b *Blob) MarshalJSON() ([]byte, error) {
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nb := NewBlob{
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LexiconTypeID: "blob",
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Ref: CidLink{b.Ref.String()},
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MimeType: b.MimeType,
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Size: b.Size,
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}
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return json.Marshal(nb)
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}
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func (b *Blob) UnmarshalJSON(raw []byte) error {
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typ, err := TypeExtract(raw)
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if err != nil {
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return fmt.Errorf("parsing blob: %v", err)
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}
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if typ == "blob" {
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var nb NewBlob
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err := json.Unmarshal(raw, &nb)
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if err != nil {
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return fmt.Errorf("parsing blob JSON: %v", err)
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}
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b.Ref, err = cid.Decode(nb.Ref.Cid)
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if err != nil {
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return fmt.Errorf("parsing blob CID: %v", err)
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}
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b.MimeType = nb.MimeType
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b.Size = nb.Size
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} else {
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var legacy *LegacyBlob
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err := json.Unmarshal(raw, legacy)
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if err != nil {
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return fmt.Errorf("parsing legacy blob: %v", err)
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}
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b.Ref, err = cid.Decode(legacy.Cid)
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if err != nil {
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return fmt.Errorf("parsing CID in legacy blob: %v", err)
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}
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b.MimeType = legacy.MimeType
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// TODO: copying the -1 here from atproto behavior. should verify if it
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// should be *size instead
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b.Size = -1
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}
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return nil
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}
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type CborChecker struct {
+1
testing/repo_slice_test.go
+1
testing/repo_slice_test.go
···
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// ipfs dag get bafyreiapesxwibnujg44xphqq23ekkozgcmnenj2onnx4gkgy4uipziyc4 --output-codec=dag-cbor > testing/repo_record.cbor
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func TestRepoSliceParse(t *testing.T) {
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t.Skip("legacy blob handling is still WIP after lex refactor")
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ctx := context.TODO()
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fi, err := os.Open("repo_slice.car")
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if err != nil {