func importOPMLTask(pfc *PFContext) (TaskMessage, error) {
c := pfc.C
var blobKey appengine.BlobKey
if blobKeyString := pfc.R.PostFormValue("opmlBlobKey"); blobKeyString == "" {
return TaskMessage{}, errors.New("Missing blob key")
} else {
blobKey = appengine.BlobKey(blobKeyString)
}
reader := blobstore.NewReader(c, blobKey)
opml, err := rss.ParseOPML(reader)
if err != nil {
// Remove the blob
if err := blobstore.Delete(c, blobKey); err != nil {
c.Warningf("Error deleting blob (key %s): %s", blobKey, err)
}
return TaskMessage{}, err
}
// Remove the blob
if err := blobstore.Delete(c, blobKey); err != nil {
c.Warningf("Error deleting blob (key %s): %s", blobKey, err)
}
importStarted := time.Now()
parentRef := storage.FolderRef{
UserID: pfc.UserID,
}
doneChannel := make(chan *rss.Outline)
importing := importSubscriptions(pfc, doneChannel, pfc.UserID, parentRef, opml.Outlines())
for i := 0; i < importing; i++ {
subscription := <-doneChannel
c.Infof("Completed %s", subscription.Title)
}
c.Infof("All completed in %s", time.Since(importStarted))
return TaskMessage{
Message: _l("Subscriptions imported successfully"),
Refresh: true,
}, nil
}
func importOPML(pfc *PFContext) (interface{}, error) {
c := pfc.C
r := pfc.R
blobs, other, err := blobstore.ParseUpload(r)
if err != nil {
return nil, NewReadableError(_l("Error receiving file"), &err)
} else if len(other["client"]) > 0 {
if clientID := other["client"][0]; clientID != "" {
pfc.ChannelID = string(pfc.UserID) + "," + clientID
}
}
var blobKey appengine.BlobKey
if blobInfos := blobs["opml"]; len(blobInfos) == 0 {
return nil, NewReadableError(_l("File not uploaded"), nil)
} else {
blobKey = blobInfos[0].BlobKey
reader := blobstore.NewReader(c, blobKey)
if _, err := rss.ParseOPML(reader); err != nil {
if err := blobstore.Delete(c, blobKey); err != nil {
c.Warningf("Error deleting blob (key %s): %s", blobKey, err)
}
return nil, NewReadableError(_l("Error reading OPML file"), &err)
}
}
params := taskParams{
"opmlBlobKey": string(blobKey),
}
if err := startTask(pfc, "import", params, importQueue); err != nil {
// Remove the blob
if err := blobstore.Delete(c, blobKey); err != nil {
c.Warningf("Error deleting blob (key %s): %s", blobKey, err)
}
return nil, NewReadableError(_l("Cannot import - too busy"), &err)
}
return _l("Importing, please wait…"), nil
}