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From GitBox <...@apache.org>
Subject [GitHub] [nifi] adarmiento commented on a change in pull request #3700: NIFI-6638: Empty multiple queues at once at different flow levels
Date Mon, 09 Sep 2019 13:30:40 GMT
adarmiento commented on a change in pull request #3700: NIFI-6638: Empty multiple queues at
once at different flow levels
URL: https://github.com/apache/nifi/pull/3700#discussion_r322241522
 
 

 ##########
 File path: nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-ui/src/main/webapp/js/nf/canvas/nf-actions.js
 ##########
 @@ -1086,183 +1497,173 @@
         },
 
         /**
-         * Deletes the flow files in the specified connection.
+         * Deletes the flow files inside the selected connections.
          *
          * @param {type} selection
          */
-        emptyQueue: function (selection) {
-            if (selection.size() !== 1 || !nfCanvasUtils.isConnection(selection)) {
-                return;
-            }
+        emptySelectedQueues: function (selection) {
+            var connections = selection.filter(function (d) {
+                var selectionItem = d3.select(this);
+                return nfCanvasUtils.isConnection(selectionItem);
+            });
+
+            var actionName = selection.size() > 1 ? 'Empty Selected Queues' : 'Empty Selected
Queue';
+
+            var dialogContent = selection.size() > 1
+                ? 'Are you sure you want to empty the selected queues? All FlowFiles waiting
at the time of the request will be removed.'
+                : 'Are you sure you want to empty the selected queue? All FlowFiles waiting
at the time of the request will be removed.';
 
             // prompt the user before emptying the queue
             nfDialog.showYesNoDialog({
-                headerText: 'Empty Queue',
-                dialogContent: 'Are you sure you want to empty this queue? All FlowFiles
waiting at the time of the request will be removed.',
+                headerText: actionName,
+                dialogContent: dialogContent,
                 noText: 'Cancel',
                 yesText: 'Empty',
                 yesHandler: function () {
-                    // get the connection data
-                    var connection = selection.datum();
-
-                    var MAX_DELAY = 4;
-                    var cancelled = false;
-                    var dropRequest = null;
-                    var dropRequestTimer = null;
-
-                    // updates the progress bar
-                    var updateProgress = function (percentComplete) {
-                        // remove existing labels
-                        var progressBar = $('#drop-request-percent-complete');
-                        progressBar.find('div.progress-label').remove();
-                        progressBar.find('md-progress-linear').remove();
-
-                        // update the progress bar
-                        var label = $('<div class="progress-label"></div>').text(percentComplete
+ '%');
-                        (nfNgBridge.injector.get('$compile')($('<md-progress-linear ng-cloak
ng-value="' + percentComplete + '" class="md-hue-2" md-mode="determinate" aria-label="Drop
request percent complete"></md-progress-linear>'))(nfNgBridge.rootScope)).appendTo(progressBar);
-                        progressBar.append(label);
-                    };
+                    emptyQueues(actionName,connections.data(),undefined);
+                }
+            });
+        },
 
-                    // update the button model of the drop request status dialog
-                    $('#drop-request-status-dialog').modal('setButtonModel', [{
-                        buttonText: 'Stop',
-                        color: {
-                            base: '#728E9B',
-                            hover: '#004849',
-                            text: '#ffffff'
-                        },
-                        handler: {
-                            click: function () {
-                                cancelled = true;
-
-                                // we are waiting for the next poll attempt
-                                if (dropRequestTimer !== null) {
-                                    // cancel it
-                                    clearTimeout(dropRequestTimer);
-
-                                    // cancel the drop request
-                                    completeDropRequest();
-                                }
-                            }
-                        }
-                    }]);
+        /**
+         * Empty all the queues inside the selected process groups.
+         *
+         * @param {type} selection
+         */
+        emptyProcessGroupsQueues: function (selection) {
+            var selectionSize = selection.size();
+            var connections = [];
+            var errors = [];
+            var actionName = '';
+            var dialogContent = '';
+
+            if(selectionSize === 0) {
+                actionName = 'Empty Current Process Group Queues';
+                dialogContent = 'Are you sure you want to empty all queues inside the current
process group? All FlowFiles waiting at the time of the request will be removed.';
+                connections = d3.selectAll('g.connection').data();
+
+                if(connections.length === 0) {
+                    // display the "no queues to empty" dialog
+                    nfDialog.showOkDialog({
+                        headerText: actionName,
+                        dialogContent: 'No queues to empty.'
+                    });
+                    return;
+                }
+            }
+            else if(selectionSize === 1) {
+                actionName = 'Empty Selected Process Group Queues';
+                dialogContent = 'Are you sure you want to empty all queues inside the selected
process group? All FlowFiles waiting at the time of the request will be removed.';
+            }
+            else {
+                actionName = 'Empty Selected Process Groups Queues';
+                dialogContent = 'Are you sure you want to empty all queues inside the selected
process groups? All FlowFiles waiting at the time of the request will be removed.';
+            }
 
-                    // completes the drop request by removing it and showing how many flowfiles
were deleted
-                    var completeDropRequest = function () {
-                        // reload the connection status
-                        nfConnection.reloadStatus(connection.id);
+            // prompt the user before emptying the queue
+            nfDialog.showYesNoDialog({
+                headerText: actionName,
+                dialogContent: dialogContent,
+                noText: 'Cancel',
+                yesText: 'Empty',
+                yesHandler: function () {
+                    if(selectionSize === 0) {
 
 Review comment:
   ```suggestion
                       if (selectionSize === 0) {
   ```

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