124 lines
4.6 KiB
JavaScript
124 lines
4.6 KiB
JavaScript
/**
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* Imports selected studies from local into worklist
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* @param filesToImport Files located in the client machine to import
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*/
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importStudies = function(filesToImport, importCallback) {
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if (filesToImport.length < 1) {
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return;
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}
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var fileUploadStatus = {
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numberOfFilesUploaded: 0,
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numberOfFilesFailed: 0
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};
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var numberOfFilesToUpload = filesToImport.length;
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var studiesToImport = [];
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progressDialog.show("Uploading Files...", numberOfFilesToUpload);
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// Upload files to the server
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filesToImport.forEach(function(fileToUpload) {
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var xhr = new XMLHttpRequest();
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xhr.open('POST', "/uploadFilesToImport", true);
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xhr.setRequestHeader("filename", fileToUpload.name);
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xhr.onload = function() {
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// Failed to upload a file
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if (xhr.readyState === 4 && xhr.status !== 200) {
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updateFileUploadStatus(fileUploadStatus, false);
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return;
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}
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studiesToImport.push(xhr.responseText);
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updateFileUploadStatus(fileUploadStatus, true);
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var numberOfFilesProcessedToUpload = fileUploadStatus.numberOfFilesUploaded + fileUploadStatus.numberOfFilesFailed;
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progressDialog.update(numberOfFilesProcessedToUpload);
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if (numberOfFilesToUpload === numberOfFilesProcessedToUpload) {
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// The upload is completed, so import files
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importStudiesInternal(studiesToImport, importCallback);
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if (fileUploadStatus.numberOfFilesFailed > 0) {
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//TODO: Some files failed to upload, so let user know
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console.log("Failed to upload " + fileUploadStatus.numberOfFilesFailed + " of " + numberOfFilesToUpload + " files");
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}
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}
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};
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// Failed to upload a file
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xhr.onerror = function() {
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updateFileUploadStatus(fileUploadStatus, false);
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};
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xhr.send(fileToUpload);
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});
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};
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function updateFileUploadStatus(fileUploadStatus, isSuccess) {
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if (!isSuccess) {
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fileUploadStatus.numberOfFilesFailed++;
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} else {
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fileUploadStatus.numberOfFilesUploaded++;
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}
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}
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function importStudiesInternal(studiesToImport, importCallback) {
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if (!studiesToImport) {
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return;
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}
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var numberOfStudiesToImport = studiesToImport.length;
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progressDialog.show("Importing Studies...", numberOfStudiesToImport);
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// Create/Insert a new study import status item
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Meteor.call("createStudyImportStatus", function(err, studyImportStatusId) {
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if (err) {
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// Hide dialog
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progressDialog.close();
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console.log(err.message);
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return;
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}
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// Handle when it is updated
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StudyImportStatus.find(studyImportStatusId).observe({
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changed: function(studyImportStatus) {
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if (!studyImportStatus) {
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return;
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}
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var numberOfStudiesProcessedToImport = studyImportStatus.numberOfStudiesImported + studyImportStatus.numberOfStudiesFailed;
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// Show failed message in the dialog
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if (studyImportStatus.numberOfStudiesFailed > 0) {
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var failMessage = "Failed to import " + studyImportStatus.numberOfStudiesFailed + " of " + numberOfStudiesToImport + " files";
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progressDialog.setMessage(failMessage);
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}
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progressDialog.update(numberOfStudiesProcessedToImport);
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if (numberOfStudiesProcessedToImport == numberOfStudiesToImport) {
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// The entire import operation is completed, so remove the study import status item
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Meteor.call("removeStudyImportStatus", studyImportStatus._id);
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if (studyImportStatus.numberOfStudiesFailed > 0) {
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//TODO: Some files failed to import, so let user know
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// Update progress dialog message
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var failMessage = "Failed to import " + studyImportStatus.numberOfStudiesFailed + " of " + numberOfStudiesToImport + " files";
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progressDialog.setMessage(failMessage);
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console.log(failMessage);
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}
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// Let the caller know that import operation is completed
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if (importCallback) {
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importCallback();
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}
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}
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}
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});
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// Import studies with study import status id to get callbacks
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Meteor.call("importStudies", studiesToImport, studyImportStatusId);
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});
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} |