The file parameter documentation for the POST /1/cards/[card id or shortlink]/attachments API call does not specify how the file should be encoded. For "Valid Values" it simply says "A file". If we are using html forms, then we can attach file using below code.
<form action="https://api.trello.com/1/cards/REPLACE_WITH_CARD_ID/attachments" method="POST" enctype="multipart/form-data"> <input type="hidden" name="key" value="REPLACE_WITH_YOUR_KEY" /> <input type="hidden" name="token" value="REPLACE_WITH_YOUR_WRITE_TOKEN" /> <input type="file" name="file"> <input type="submit" value="Upload"> </form>
But I am not using html forms. I need to call Trello card attachment API from server side of Node JS. I was wondering if anyone has a working example of how to get files into Trello cards using the API.
Hi Garaga!
We do have examples of a few different ways of attaching files here, although these mostly use form data.
You should be able to use the API to attach any kind of file that you would be able to attach using the Trello interface itself. If attaching a file from, say, your computer, then the value for "file=" would be the path to that file.
Let us know if you have any questions!
I used rest API to upload any kind of file from server side using nodejs
var _attachFile = function(req,res){
var _file = req.body.file_path;
var file_name = file.split('/')[file.split('/').length - 1];
var __fileData = fs.createReadStream(_file);
var options = {
method: 'POST',
url: 'https://api.trello.com/1/cards/' + jsonData.card_id + '/attachments/',
qs:{
key : req.body.auth.key,
token: req.body.auth.token
},
headers:{
mimeType: 'application/octet-stream', //means dont know what the hell is this content
'Content-Type': 'application/octet-stream'
},
formData:{
file: {
value: __fileData,
options: {
filename: file_name,
contentType: 'application/octet-stream'
}
}
}
};
request(options, function (error, response, body) {
if (error) {
return res.send({ 'error': 'Fail' });
} else if (response.statusCode != 200) {
return res.send({'error': body })
} else {
return res.send('success');
}
});
}
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I used form-data node module to upload the file from server side of node.js.
var FormData = require('form-data'); var formData = new FormData(); var appkey = "Trello App key"; var token = "Trello Access Token"; var fileLocation = "Ypur file location"; var cardId = "Trello card id"; formData.append("key", appkey); formData.append("token", token); formData.append("file", fs.createReadStream(fileLocation)); var requestObj = request.post('https://trello.com/1/cards/' + cardId + '/attachments', attachmentCallback); requestObj._form = formData; function attachmentCallback(err, httpResponse, body) { if (httpResponse.statusCode == 200) { console.log("successfully attached the file " ); } else { console.log('Could not attach the file to card:', httpResponse.statusMessage); } }
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