nak/nostrfs/eventdir.go

69 lines
1.3 KiB
Go

package nostrfs
import (
"context"
"fmt"
"syscall"
"github.com/hanwen/go-fuse/v2/fs"
"github.com/hanwen/go-fuse/v2/fuse"
"github.com/mailru/easyjson"
"github.com/nbd-wtf/go-nostr"
sdk "github.com/nbd-wtf/go-nostr/sdk"
)
type EventDir struct {
fs.Inode
ctx context.Context
evt *nostr.Event
}
func FetchAndCreateEventDir(
ctx context.Context,
parent fs.InodeEmbedder,
sys *sdk.System,
pointer nostr.EventPointer,
) (*fs.Inode, error) {
event, _, err := sys.FetchSpecificEvent(ctx, pointer, sdk.FetchSpecificEventParameters{
WithRelays: false,
})
if err != nil {
return nil, fmt.Errorf("failed to fetch: %w", err)
}
return CreateEventDir(ctx, parent, event), nil
}
func CreateEventDir(
ctx context.Context,
parent fs.InodeEmbedder,
event *nostr.Event,
) *fs.Inode {
h := parent.EmbeddedInode().NewPersistentInode(
ctx,
&EventDir{ctx: ctx, evt: event},
fs.StableAttr{Mode: syscall.S_IFDIR, Ino: hexToUint64(event.ID)},
)
eventj, _ := easyjson.Marshal(event)
h.AddChild("event.json", h.NewPersistentInode(
ctx,
&fs.MemRegularFile{
Data: eventj,
Attr: fuse.Attr{Mode: 0444},
},
fs.StableAttr{},
), true)
h.AddChild("content.txt", h.NewPersistentInode(
ctx,
&fs.MemRegularFile{
Data: []byte(event.Content),
Attr: fuse.Attr{Mode: 0444},
},
fs.StableAttr{},
), true)
return h
}