[SalesForce] Uploading multiple files using REST API of Chatter.

I am trying to upload multiple files using Chatter REST API. I was previously able to upload a file. Now I have to upload multiple files. I got these file names and parameter names in array, as stated here: JS for uploading multiple files.

Code which worked for single file upload is as below:

                var fileName = file.name;
                var fileUrl = chatterUrl + "/users/me/files?title=" + fileName;
                var formData = new FormData();
                formData.append('fileData', file);
                console.log('fileName ------>> '+fileName);
                console.log('fileUrl ------>> '+fileUrl);

                parent.ajaxCall = $.ajax({
                    type: "POST",
                    url: fileUrl,
                    contentType: false,
                    processData: false,
                    cache: false,
                    data: formData,
                    xhr: function() {
                        var xhr = new window.XMLHttpRequest();
                        xhr.upload.addEventListener("progress", function(evt) {
                           if (evt.lengthComputable) {
                               var percentComplete = evt.loaded / evt.total;
                                var pct = Math.round(percentComplete * 100);
                                var progressNode = $("progress", $this);
                                progressNode.val(pct);
                                progressNode.text(pct + " %");
                           }
                       }, false);
                       return xhr;
                    },
                    success: function(data) {
                        console.log(fileName + ', File ID: ' + data.id);
                        parent.successAction(data.id);
                    },
                    error: function(jqXHR, textStatus, errorThrown) {
                        console.log('File upload: ' + textStatus + ', ' + errorThrown + ', ' + jqXHR.responseText);
                        if (textStatus != 'abort')
                            alert('Something went wrong! Please try loading again ' + jqXHR.responseText);
                    }
                });

But when I try to pass, file names, I am getting error.
This is how I tried to pass fileNames to REST API of chatter. 

data: {paramNames:fileNames},

Best Answer

I solved my problem, by sending single file's multiple requests. AFAIK, REST API of Salesforce doesn't allow passing the files at once. So I sent single file request multiple times, so as to get my work done.

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