/
GAEBlobstoreInterface.go
72 lines (66 loc) · 1.68 KB
/
GAEBlobstoreInterface.go
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package Datastore
// Copyright 2013-2014 ThePiachu. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
import (
"bytes"
"encoding/gob"
"github.com/ThePiachu/Go/Log"
"golang.org/x/net/context"
"google.golang.org/appengine"
"google.golang.org/appengine/blobstore"
"io/ioutil"
)
/*
//TODO: fix
func PutInBlobstore(c context.Context, toStore interface{}) (appengine.BlobKey, error) {
//TODO: check capabilities
var k appengine.BlobKey
var data bytes.Buffer
enc := gob.NewEncoder(&data)
err := enc.Encode(toStore)
if err != nil {
Log.Errorf(c, "PutInBlobstore - %s", err)
return k, err
}
w, err := blobstore.Create(c, "application/octet-stream")
if err != nil {
Log.Errorf(c, "PutInBlobstore - %s", err)
return k, err
}
_, err = w.Write(data.Bytes())
if err != nil {
Log.Errorf(c, "PutInBlobstore - %s", err)
return k, err
}
err = w.Close()
if err != nil {
Log.Errorf(c, "PutInBlobstore - %s", err)
return k, err
}
k, err = w.Key()
if err != nil {
Log.Errorf(c, "PutInBlobstore - %s", err)
}
return k, err
}
*/
func GetFromBlobstore(c context.Context, blobkey appengine.BlobKey, dst interface{}) (interface{}, error) {
//TODO: check capabilities
reader := blobstore.NewReader(c, blobkey)
data, err := ioutil.ReadAll(reader)
if err != nil {
Log.Errorf(c, "GetFromBlobstore - %s", err)
return nil, err
}
dec := gob.NewDecoder(bytes.NewBuffer(data))
err = dec.Decode(dst)
if err != nil {
Log.Errorf(c, "GetFromBlobstore - %s", err)
return nil, err
}
return dst, nil
}
func DeleteFromBlobstore(c context.Context, blobkey appengine.BlobKey) error {
return blobstore.Delete(c, blobkey)
}