LT-327: Added functionality to disassociate timepoints from studies

Packages/ohif-lesiontracker/both/configuration/configuration.js

@@ -1,7 +1,7 @@
 import { OHIF } from 'meteor/ohif:core';
 
 import { measurementTools } from './measurementTools';
-import { retrieveMeasurements, storeMeasurements, retrieveTimepoints, storeTimepoints, removeTimepoint, updateTimepoint } from './dataExchange';
+import { retrieveMeasurements, storeMeasurements, retrieveTimepoints, storeTimepoints, removeTimepoint, updateTimepoint, disassociateStudy } from './dataExchange';
 import { validateMeasurements } from './dataValidation';
 
 console.log('OHIF-LesionTracker: Defining Configuration for Measurements');
@@ -28,6 +28,7 @@ OHIF.measurements.TimepointApi.setConfiguration({
         retrieve: retrieveTimepoints,
         store: storeTimepoints,
         remove: removeTimepoint,
-        update: updateTimepoint
+        update: updateTimepoint,
+        disassociate: disassociateStudy
     }
 });

Packages/ohif-lesiontracker/both/configuration/dataExchange.js

@@ -95,3 +95,19 @@ export const removeTimepoint = timepointData => {
         });
     });
 };
+
+export const disassociateStudy = (timepointIds, studyInstanceUid) => {
+    console.log('disassociateStudy');
+    console.log(timepointIds);
+    console.log(studyInstanceUid);
+
+    return new Promise((resolve, reject) => {
+        Meteor.call('disassociateStudy', timepointIds, studyInstanceUid, (error, response) => {
+            if (error) {
+                reject(error);
+            } else {
+                resolve(response);
+            }
+        });
+    });
+};

Packages/ohif-lesiontracker/server/methods.js

@@ -37,8 +37,50 @@ Meteor.methods({
         });
     },
 
+    disassociateStudy(timepointIds, studyInstanceUid) {
+        OHIF.log.info('Disassociating Study from Timepoints');
+        timepointIds.forEach(timepointId => {
+            const timepoint = Timepoints.findOne({timepointId});
+            if (!timepoint) {
+                return;
+            }
+            
+            // Find the index of the current studyInstanceUid in the array
+            // of reference studyInstanceUids
+            const index = timepoint.studyInstanceUids.indexOf(studyInstanceUid);
+            if (index < 0) {
+                return;
+            }
+
+            // Remove the specified studyInstanceUid from the array of associated studyInstanceUids
+            timepoint.studyInstanceUids.splice(index, 1);
+
+            let updated = [];
+            let removed = [];
+            if (timepoint.studyInstanceUids.length) {
+                Timepoints.update(timepoint._id, {
+                    $set: {
+                        studyInstanceUids: timepoint.studyInstanceUids
+                    }
+                });
+            } else {
+                Timepoints.remove(timepoint._id);
+            }
+
+            // Remove all Measurement Data for this timepoint and study
+            measurementTools.forEach(tool => {
+                const filter = {
+                    studyInstanceUid: studyInstanceUid,
+                    timepointId: timepointId
+                };
+
+                MeasurementCollections[tool.id].remove(filter)
+            });
+        });
+    },
+
     removeTimepoint(timepointData) {
-        OHIF.log.info('Removing Timepoint off the Server');
+        OHIF.log.info('Removing Timepoint from the Server');
         OHIF.log.info(JSON.stringify(timepointData, null, 2));
         Timepoints.remove(timepointData);
     },

Packages/ohif-measurements/both/configuration/measurements.js

@@ -119,7 +119,7 @@ class MeasurementApi {
             }
         });
 
-        // Update the measurement numbers for the remaning measurements
+        // Update the measurement numbers for the remaining measurements
         const updateFilter = _.clone(filter);
         updateFilter.measurementNumber = {
             $gt: measurementNumber

Packages/ohif-measurements/both/configuration/timepoints.js

@@ -20,13 +20,13 @@ class TimepointApi {
         if (currentTimepointId) {
             this.currentTimepointId = currentTimepointId;
         }
-    }
 
-    retrieveTimepoints(filter) {
         this.timepoints = new Mongo.Collection(null);
         this.timepoints.attachSchema(TimepointSchema);
         this.timepoints._debugName = 'Timepoints';
+    }
 
+    retrieveTimepoints(filter) {
         const retrievalFn = configuration.dataExchange.retrieve;
         if (!_.isFunction(retrievalFn)) {
             return;
@@ -59,6 +59,16 @@ class TimepointApi {
         storeFn(timepointData).then(() => OHIF.log.info('Timepoint storage completed'));
     }
 
+    disassociateStudy(timepointIds, studyInstanceUid) {
+        const disassociateFn = configuration.dataExchange.disassociate;
+        disassociateFn(timepointIds, studyInstanceUid).then(() => {
+            OHIF.log.info('Disassociation completed')
+
+            this.timepoints.remove({});
+            this.retrieveTimepoints();
+        });
+    }
+
     removeTimepoint(timepointId) {
         const removeFn = configuration.dataExchange.remove;
         if (!_.isFunction(removeFn)) {

Packages/ohif-measurements/client/components/association/confirmRemoveTimepointAssociation/confirmRemoveTimepointAssociation.html

@@ -10,10 +10,12 @@
                     Measurements related to this Study and Timepoint will be erased. Do you really want to delete this association?
                 </div>
                 <div class="modal-footer">
+                    <button type="button" class="btn btn-default" data-dismiss="modal" id='btnRemoveAssociationModalCancel'>
+                        Cancel
+                    </button>
                     <a id="removeTimepointAssociations" type="button" class="btn btn-danger" data-dismiss="modal"
                        title="Remove Timepoint Association"> Remove
                     </a>
-                    <button type="button" class="btn btn-default" data-dismiss="modal" id='btnRemoVeAssociationModalCancel'>Cancel</button>
                 </div>
             </div>
         </div>

Packages/ohif-measurements/client/components/longitudinal/longitudinalStudyListContextMenu/longitudinalStudyListContextMenu.html

@@ -2,15 +2,22 @@
     {{#dropdownForm}}
         <li><a id="viewStudies" type="button" title="View Studies">View</a></li>
         <li class="divider" role="separator"></li>
-        <!-- {{#link action='associate'}}Associate{{/link}} -->
+        <li>
-        <li><a id="launchStudyAssociation" title="Launch Study Association">Associate</a></li>
+            <a id="launchStudyAssociation" title="Launch Study Association">Associate</a>
-        <li><a id="launchRemoveAssociation" type="button" data-toggle="modal"
+        </li>
-           data-target="#confirmRemoveTimepointAssociation" title="Remove Timepoint Association"
+        <li><a id="launchRemoveAssociation"
-        >Remove Association</a></li>
+               type="button"
+               data-toggle="modal"
+               data-target="#confirmRemoveTimepointAssociation"
+               title="Remove Timepoint Association">
+               Remove Association
+           </a>
+        </li>
         <li class="divider" role="separator"></li>
-        <li><a id="viewSeriesDetails" type="button"
+        <li>
-            title="View Series Details"
+            <a id="viewSeriesDetails" type="button"
-        >View Series Details</a></li>
+            title="View Series Details">View Series Details</a>
+        </li>
         <li class="disabled"><a class="disabled">Anonymize</a></li>
         <li class="disabled"><a class="disabled">Send</a></li>
         <li class="divider" role="separator"></li>

Packages/ohif-measurements/client/components/longitudinal/longitudinalStudyListContextMenu/longitudinalStudyListContextMenu.js

@@ -22,54 +22,19 @@ function removeTimepointAssociations() {
     // Get a Cursor pointing to the selected Studies from the StudyList
     const selectedStudies = OHIF.studylist.getSelectedStudies();
 
-    // Loop through the Cursor of Selected Studies
-    selectedStudies.forEach(function(selectedStudy) {
     // Find the Timepoint that was previously referenced
     const timepointApi = StudyList.timepointApi;
     if (!timepointApi) {
+        OHIF.log.error('Remove Study/Timepoint Association: No Timepoint API found.')
         return;
     }
 
-        let timepoint = timepointApi.study(selectedStudy.studyInstanceUid)[0];
+    // Loop through the Cursor of Selected Studies
-        if (!timepoint) {
+    selectedStudies.forEach(study => {
-            return;
+        const studyInstanceUid = study.studyInstanceUid;
-        }
+        const timepoints = timepointApi.study(studyInstanceUid);
-
+        const timepointIds = timepoints.map(t => t.timepointId);
-        // Find the index of the current studyInstanceUid in the array
+        timepointApi.disassociateStudy(timepointIds, studyInstanceUid);
-        // of reference studyInstanceUids
-        const index = timepoint.studyInstanceUids.indexOf(selectedStudy.studyInstanceUid);
-        if (index < 0) {
-            return;
-        }
-
-        // Remove the specified studyInstanceUid from the array of associated studyInstanceUids
-        timepoint.studyInstanceUids.splice(index, 1);
-
-        // Check if there are still one or more Studies associated with this Timepoint
-        if (timepoint.studyInstanceUids.length) {
-            // Update the Timepoints Collection with this modified array for the
-            // studyInstanceUids attribute
-            timepointApi.updateTimepoint(timepoint.timepointId, {
-                $set: {
-                    studyInstanceUids: timepoint.studyInstanceUids
-                }
-            });
-
-            // Log
-            const hipaaEvent = {
-                eventType: 'modify',
-                userId: Meteor.userId(),
-                userName: Meteor.user().profile.fullName,
-                collectionName: 'Timepoints',
-                recordId: selectedStudy.timepointId,
-                patientId: selectedStudy.patientId,
-                patientName: selectedStudy.patientName
-            };
-            HipaaLogger.logEvent(hipaaEvent);
-        } else {
-            // If no more Studies are associated with this Timepoint, we should remove it
-            timepointApi.removeTimepoint(timepoint.timepointId);
-        }
     });
 }
 

Packages/ohif-measurements/client/components/longitudinal/longitudinalViewportOverlay/longitudinalViewportOverlay.js

@@ -12,7 +12,7 @@ Template[defaultTemplate].helpers({
         const studyInstanceUid = instance.data.studyInstanceUid;
 
         // TODO: Find a better way to obtain the timepointApi from the viewer.js template
-        const timepointApi = OHIF.viewer.timepointApi;
+        const timepointApi = StudyList.timepointApi;
         if (!timepointApi) {
         	return;
         }