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0

I need to upload to a URL a file notified as a new addition to the folder I am watching. How do I do this without forms?

I am writing a basic file synchroniser that uses an Electron desktop app as client, Python server and AWS endpoint. I am using presigned URL for upload/download requests and have chokidar to watch the folder set up for sync.

When I get notified of Add through Chokidar, I make a call to my Python server and get a presigned URL for upload. This part works fine.

Once I get the URL, I need to upload the file. I have no HTML component associated with this operation (and do not want to add) I read that I can upload file using AJAX with formdata but it requires "data" column. How do I fill this?

 watcher
 .on('add', function(dir) 
 console.log('File', dir, 'has been added');
 xhr.open("POST", url, true);
 xhr.setRequestHeader("Content-Type", "application/json");
 results.innerHTML = '';

 data = JSON.stringify("operation": "uploadFile", "bucketName": "deadlinefighters", "fileDetails": "fileName": dir.replace(/^.*[\/]/, ''));

 xhr.onreadystatechange = function () 
 if (xhr.readyState === 4 && xhr.status === 200) 
 jsonResponse = JSON.parse(xhr.responseText);

 var content;

 fs.readFile(dir, function read(err, data) 
 if (err) 
 throw err;
 
 content = data; 
 );

 $.ajax(
 url: jsonResponse["url"], 
 type: 'PUT', 
 data: content, //This is the part I do not know how to fill right
 async: false,
 success: function () 
 results.innerHTML = "Uploaded!"
 
 );
 listObjectsinServer();
 
 else if(xhr.status!=200) 
 results.innerHTML = 'ERROR!';
 
 ;
 xhr.send(data);

 )

I tried fs.readFile but it does not work either. Based on some SO answers, I put the AJAX call inside but even that did not work. I feel like I might be misunderstanding this field.

javascript electron chokidar

share|improve this question

asked Mar 26 at 23:40

BhargBharg

7411 silver badge1010 bronze badges

add a comment | 

0

I need to upload to a URL a file notified as a new addition to the folder I am watching. How do I do this without forms?

I am writing a basic file synchroniser that uses an Electron desktop app as client, Python server and AWS endpoint. I am using presigned URL for upload/download requests and have chokidar to watch the folder set up for sync.

When I get notified of Add through Chokidar, I make a call to my Python server and get a presigned URL for upload. This part works fine.

Once I get the URL, I need to upload the file. I have no HTML component associated with this operation (and do not want to add) I read that I can upload file using AJAX with formdata but it requires "data" column. How do I fill this?

 watcher
 .on('add', function(dir) 
 console.log('File', dir, 'has been added');
 xhr.open("POST", url, true);
 xhr.setRequestHeader("Content-Type", "application/json");
 results.innerHTML = '';

 data = JSON.stringify("operation": "uploadFile", "bucketName": "deadlinefighters", "fileDetails": "fileName": dir.replace(/^.*[\/]/, ''));

 xhr.onreadystatechange = function () 
 if (xhr.readyState === 4 && xhr.status === 200) 
 jsonResponse = JSON.parse(xhr.responseText);

 var content;

 fs.readFile(dir, function read(err, data) 
 if (err) 
 throw err;
 
 content = data; 
 );

 $.ajax(
 url: jsonResponse["url"], 
 type: 'PUT', 
 data: content, //This is the part I do not know how to fill right
 async: false,
 success: function () 
 results.innerHTML = "Uploaded!"
 
 );
 listObjectsinServer();
 
 else if(xhr.status!=200) 
 results.innerHTML = 'ERROR!';
 
 ;
 xhr.send(data);

 )

I tried fs.readFile but it does not work either. Based on some SO answers, I put the AJAX call inside but even that did not work. I feel like I might be misunderstanding this field.

javascript electron chokidar

share|improve this question

asked Mar 26 at 23:40

BhargBharg

7411 silver badge1010 bronze badges

add a comment | 

I need to upload to a URL a file notified as a new addition to the folder I am watching. How do I do this without forms?

I am writing a basic file synchroniser that uses an Electron desktop app as client, Python server and AWS endpoint. I am using presigned URL for upload/download requests and have chokidar to watch the folder set up for sync.

When I get notified of Add through Chokidar, I make a call to my Python server and get a presigned URL for upload. This part works fine.

Once I get the URL, I need to upload the file. I have no HTML component associated with this operation (and do not want to add) I read that I can upload file using AJAX with formdata but it requires "data" column. How do I fill this?

 watcher
 .on('add', function(dir) 
 console.log('File', dir, 'has been added');
 xhr.open("POST", url, true);
 xhr.setRequestHeader("Content-Type", "application/json");
 results.innerHTML = '';

 data = JSON.stringify("operation": "uploadFile", "bucketName": "deadlinefighters", "fileDetails": "fileName": dir.replace(/^.*[\/]/, ''));

 xhr.onreadystatechange = function () 
 if (xhr.readyState === 4 && xhr.status === 200) 
 jsonResponse = JSON.parse(xhr.responseText);

 var content;

 fs.readFile(dir, function read(err, data) 
 if (err) 
 throw err;
 
 content = data; 
 );

 $.ajax(
 url: jsonResponse["url"], 
 type: 'PUT', 
 data: content, //This is the part I do not know how to fill right
 async: false,
 success: function () 
 results.innerHTML = "Uploaded!"
 
 );
 listObjectsinServer();
 
 else if(xhr.status!=200) 
 results.innerHTML = 'ERROR!';
 
 ;
 xhr.send(data);

 )

I tried fs.readFile but it does not work either. Based on some SO answers, I put the AJAX call inside but even that did not work. I feel like I might be misunderstanding this field.

javascript electron chokidar

share|improve this question

asked Mar 26 at 23:40

BhargBharg

7411 silver badge1010 bronze badges

 watcher
 .on('add', function(dir) 
 console.log('File', dir, 'has been added');
 xhr.open("POST", url, true);
 xhr.setRequestHeader("Content-Type", "application/json");
 results.innerHTML = '';

 data = JSON.stringify("operation": "uploadFile", "bucketName": "deadlinefighters", "fileDetails": "fileName": dir.replace(/^.*[\/]/, ''));

 xhr.onreadystatechange = function () 
 if (xhr.readyState === 4 && xhr.status === 200) 
 jsonResponse = JSON.parse(xhr.responseText);

 var content;

 fs.readFile(dir, function read(err, data) 
 if (err) 
 throw err;
 
 content = data; 
 );

 $.ajax(
 url: jsonResponse["url"], 
 type: 'PUT', 
 data: content, //This is the part I do not know how to fill right
 async: false,
 success: function () 
 results.innerHTML = "Uploaded!"
 
 );
 listObjectsinServer();
 
 else if(xhr.status!=200) 
 results.innerHTML = 'ERROR!';
 
 ;
 xhr.send(data);

 )

share|improve this question

asked Mar 26 at 23:40

BhargBharg

7411 silver badge1010 bronze badges

share|improve this question

asked Mar 26 at 23:40

BhargBharg

7411 silver badge1010 bronze badges

asked Mar 26 at 23:40

BhargBharg

7411 silver badge1010 bronze badges

asked Mar 26 at 23:40

BhargBharg

7411 silver badge1010 bronze badges