Update viewer to use prior studies for Hanging Protocols initialization and using those studies in HP Match Image process (added getStudyPriors and getStudyPriorsMap)

Packages/ohif-study-list/client/lib/OHIFStudySummary.js

@@ -0,0 +1,12 @@
+import { OHIF } from 'meteor/ohif:core';
+import 'meteor/ohif:viewerbase';
+
+export class OHIFStudySummary extends OHIF.viewerbase.metadata.StudySummary {
+
+    // @Override
+    addTags(tagMap) {
+        // @TODO: Map OHIF tag names to standard DICOM tag names
+        super.addTags(tagMap);
+    }
+
+}

Packages/ohif-study-list/client/lib/getStudyPriors.js

@@ -0,0 +1,52 @@
+import { OHIF } from 'meteor/ohif:core';
+import 'meteor/ohif:viewerbase';
+// Local Dependencies
+import { OHIFStudySummary } from './OHIFStudySummary';
+
+const StudyMetadata = OHIF.viewerbase.metadata.StudyMetadata;
+const StudySummary = OHIF.viewerbase.metadata.StudySummary;
+const PatientID = 'x00100020';
+const StudyDate = 'x00080020';
+
+const getStudyPriors = study => {
+
+    const priorStudies = [];
+    let patientID;
+    let studyDate;
+
+    if (study instanceof StudyMetadata) {
+        const instance = study.getFirstInstance();
+        patientID = instance.getRawValue(PatientID); // PatientID
+        studyDate = instance.getRawValue(StudyDate); // StudyDate
+    } else if (study instanceof StudySummary) {
+        patientID = study.getTagValue(PatientID); // PatientID
+        studyDate = study.getTagValue(StudyDate); // StudyDate
+    }
+
+    // Find prior studies in global StudyListStudies Minimongo collection...
+    const cursor = StudyListStudies.find({
+        patientId: patientID,
+        studyDate: {
+            $lt: studyDate
+        }
+    }, {
+        sort: {
+            studyDate: 'desc'
+        }
+    });
+
+    // Create an OHIFStudySummary object for each prior study found...
+    cursor.forEach(study => {
+        const summary = new OHIFStudySummary();
+        summary.addTags(study);
+        priorStudies.push(summary);
+        console.log('@StudyListStudies');
+        console.log(study);
+        console.log(study);
+    });
+
+    return priorStudies;
+
+};
+
+export { getStudyPriors };

Packages/ohif-study-list/client/lib/getStudyPriorsMap.js

@@ -0,0 +1,33 @@
+import { OHIF } from 'meteor/ohif:core';
+import 'meteor/ohif:viewerbase';
+// Local Dependencies
+import { getStudyPriors } from './getStudyPriors';
+
+const StudyMetadata = OHIF.viewerbase.metadata.StudyMetadata;
+const StudySummary = OHIF.viewerbase.metadata.StudySummary;
+
+/**
+ * Create a Map of study priors where the key of each entry is the StudyInstanceUID and its value is an array of StudySummary instances.
+ * @returns {Map} The study map.
+ */
+const getStudyPriorsMap = studies => {
+
+    const priorsMap = new Map();
+
+    if (studies instanceof Array) {
+        studies.forEach(study => {
+            if (study instanceof StudyMetadata || study instanceof StudySummary) {
+                const studyInstanceUID = study.getStudyInstanceUID();
+                if (studyInstanceUID) {
+                    const priors = getStudyPriors(study);
+                    priorsMap.set(studyInstanceUID, priors);
+                }
+            }
+        });
+    }
+
+    return priorsMap;
+
+};
+
+export { getStudyPriorsMap };

Packages/ohif-study-list/client/lib/studylist.js

@@ -1,11 +1,20 @@
 import { Viewerbase } from 'meteor/ohif:viewerbase';
+// Classes
 import { OHIFStudyMetadataSource } from './OHIFStudyMetadataSource';
+import { OHIFStudySummary } from './OHIFStudySummary';
+// Functions
+import { getStudyPriors } from './getStudyPriors';
+import { getStudyPriorsMap } from './getStudyPriorsMap';
 
 StudyList = {
-    functions: {},
+    functions: {
+        getStudyPriors,
+        getStudyPriorsMap
+    },
     callbacks: {},
     classes: {
-        OHIFStudyMetadataSource
+        OHIFStudyMetadataSource,
+        OHIFStudySummary
     }
 };