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Export and import attachents as base64 encoded files

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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
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24
models/export.js
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@ -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,
};
});