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operation-pin-rm.go
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operation-pin-rm.go
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package component
import (
"context"
"errors"
"fmt"
ipfsOptions "github.com/ipfs/interface-go-ipfs-core/options"
ipfsPath "github.com/ipfs/interface-go-ipfs-core/path"
"github.com/dapr/components-contrib/bindings"
"github.com/dapr/components-contrib/metadata"
)
// Handler for the "pin-rm" operation, which removes a pin
func (b *IPFSBinding) pinRmOperation(ctx context.Context, req *bindings.InvokeRequest) (*bindings.InvokeResponse, error) {
reqMetadata := &pinRmRequestMetadata{}
err := reqMetadata.FromMap(req.Metadata)
if err != nil {
return nil, err
}
if reqMetadata.Path == "" {
return nil, errors.New("metadata property 'path' is empty")
}
p := ipfsPath.New(reqMetadata.Path)
err = p.IsValid()
if err != nil {
return nil, fmt.Errorf("invalid value for metadata property 'path': %v", err)
}
opts, err := reqMetadata.PinRmOptions()
if err != nil {
return nil, err
}
err = b.ipfsAPI.Pin().Rm(ctx, p, opts...)
if err != nil {
return nil, err
}
return &bindings.InvokeResponse{
Data: nil,
Metadata: nil,
}, nil
}
type pinRmRequestMetadata struct {
Path string `mapstructure:"path"`
Recursive *bool `mapstructure:"recursive"`
}
func (m *pinRmRequestMetadata) FromMap(mp map[string]string) (err error) {
if len(mp) > 0 {
err = metadata.DecodeMetadata(mp, m)
if err != nil {
return err
}
}
return nil
}
func (m *pinRmRequestMetadata) PinRmOptions() ([]ipfsOptions.PinRmOption, error) {
opts := []ipfsOptions.PinRmOption{}
if m.Recursive != nil {
opts = append(opts, ipfsOptions.Pin.RmRecursive(*m.Recursive))
} else {
opts = append(opts, ipfsOptions.Pin.RmRecursive(true))
}
return opts, nil
}