Export and import attachents as base64 encoded files

This commit is contained in:
Ghassen Rjab 2017-07-15 22:10:46 +01:00
parent 52619ef622
commit 81e0d4e382
2 changed files with 56 additions and 17 deletions

View file

@ -55,12 +55,32 @@ class Exporter {
result.cards = Cards.find(byBoard, noBoardId).fetch();
result.comments = CardComments.find(byBoard, noBoardId).fetch();
result.activities = Activities.find(byBoard, noBoardId).fetch();
// for attachments we only export IDs and absolute url to original doc
// [Old] for attachments we only export IDs and absolute url to original doc
// [New] Encode attachment to base64
const getBase64Data = function(doc, callback) {
let buffer = new Buffer(0);
// callback has the form function (err, res) {}
const readStream = doc.createReadStream();
readStream.on('data', function(chunk) {
buffer = Buffer.concat([buffer, chunk]);
});
readStream.on('error', function(err) {
callback(err, null);
});
readStream.on('end', function() {
// done
callback(null, buffer.toString('base64'));
});
};
const getBase64DataSync = Meteor.wrapAsync(getBase64Data);
result.attachments = Attachments.find(byBoard).fetch().map((attachment) => {
return {
_id: attachment._id,
cardId: attachment.cardId,
url: FlowRouter.url(attachment.url()),
// url: FlowRouter.url(attachment.url()),
file: getBase64DataSync(attachment),
name: attachment.original.name,
type: attachment.original.type,
};
});

View file

@ -303,21 +303,40 @@ export class WekanCreator {
// - the template then tries to display the url to the attachment which causes other errors
// so we make it server only, and let UI catch up once it is done, forget about latency comp.
if(Meteor.isServer) {
file.attachData(att.url, function (error) {
file.boardId = boardId;
file.cardId = cardId;
if (error) {
throw(error);
} else {
const wekanAtt = Attachments.insert(file, () => {
// we do nothing
});
//
if(wekanCoverId === att._id) {
Cards.direct.update(cardId, { $set: {coverId: wekanAtt._id}});
if (att.url) {
file.attachData(att.url, function (error) {
file.boardId = boardId;
file.cardId = cardId;
if (error) {
throw(error);
} else {
const wekanAtt = Attachments.insert(file, () => {
// we do nothing
});
//
if(wekanCoverId === att._id) {
Cards.direct.update(cardId, { $set: {coverId: wekanAtt._id}});
}
}
}
});
});
} else if (att.file) {
file.attachData(new Buffer(att.file, 'base64'), {type: att.type}, (error) => {
file.name(att.name);
file.boardId = boardId;
file.cardId = cardId;
if (error) {
throw(error);
} else {
const wekanAtt = Attachments.insert(file, () => {
// we do nothing
});
//
if(wekanCoverId === att._id) {
Cards.direct.update(cardId, { $set: {coverId: wekanAtt._id}});
}
}
});
}
}
// todo XXX set cover - if need be
});
@ -406,7 +425,7 @@ export class WekanCreator {
const wekanAttachment = wekanBoard.attachments.filter((attachment) => {
return attachment._id === activity.attachmentId;
})[0];
if(wekanAttachment.url) {
if(wekanAttachment.url || wekanAttachment.file) {
// we cannot actually create the Wekan attachment, because we don't yet
// have the cards to attach it to, so we store it in the instance variable.
const wekanCardId = activity.cardId;