Isolating ohif:study-list package from measurements and lesiontracker

Packages/ohif-studies/imports/client/lib/classes/OHIFStudyMetadataSource.js

@@ -0,0 +1,75 @@
+import { OHIF } from 'meteor/ohif:core';
+import 'meteor/ohif:viewerbase';
+
+// Important metadata classes
+const { OHIFError, metadata } = OHIF.viewerbase;
+const { StudySummary, StudyMetadata } = metadata;
+
+export class OHIFStudyMetadataSource extends OHIF.viewerbase.StudyMetadataSource {
+
+    /**
+     * Get study metadata for a study with given study InstanceUID
+     * @param  {String} studyInstanceUID Study InstanceUID
+     * @return {Promise} A Promise object
+     */
+    getByInstanceUID(studyInstanceUID) {
+        return OHIF.studies.retrieveStudyMetadata(studyInstanceUID);
+    }
+
+    /**
+     * Load study info (OHIF.viewer.Studies) and study metadata (OHIF.viewer.StudyMetadataList) for a given study.
+     * @param {StudySummary|StudyMetadata} study of StudySummary or StudyMetadata object.
+     */
+    loadStudy(study) {
+        if (!(study instanceof StudyMetadata) && !(study instanceof StudySummary)) {
+            throw new OHIFError('OHIFStudyMetadataSource::loadStudy study is not an instance of StudySummary or StudyMetadata');
+        }
+
+        return new Promise((resolve, reject) => {
+            const studyInstanceUID = study.getStudyInstanceUID();
+
+            if (study instanceof StudyMetadata) {
+                const alreadyLoaded = OHIF.viewer.Studies.findBy({
+                    studyInstanceUid: studyInstanceUID
+                });
+
+                if (!alreadyLoaded) {
+                    OHIFStudyMetadataSource._updateStudyCollections(study);
+                }
+
+                resolve(study);
+                return;
+            }
+
+            this.getByInstanceUID(studyInstanceUID).then(studyInfo => {
+                // Create study metadata object
+                const studyMetadata = new OHIF.metadata.StudyMetadata(studyInfo, studyInfo.studyInstanceUid);
+
+                // Get Study display sets
+                const displaySets = OHIF.viewerbase.sortingManager.getDisplaySets(studyMetadata);
+
+                // Set studyMetadata display sets
+                studyMetadata.setDisplaySets(displaySets);
+
+                OHIFStudyMetadataSource._updateStudyCollections(studyMetadata);
+                resolve(studyMetadata);
+            }).catch(reject);
+        });
+    }
+
+    // Static methods
+    static _updateStudyCollections(studyMetadata) {
+        const studyInfo = studyMetadata.getData();
+
+        // Set some studyInfo properties
+        studyInfo.selected = true;
+        studyInfo.displaySets = studyMetadata.getDisplaySets();
+
+        // Insert new study info object in Studies TypeSafeCollection
+        OHIF.viewer.Studies.insert(studyInfo);
+
+        // Insert new study metadata in StudyMetadataList TypeSafeCollection
+        OHIF.viewer.StudyMetadataList.insert(studyMetadata);
+    }
+
+}

Packages/ohif-studies/imports/client/lib/classes/OHIFStudySummary.js

@@ -0,0 +1,52 @@
+import { OHIF } from 'meteor/ohif:core';
+import 'meteor/ohif:viewerbase';
+
+/**
+ * Constants
+ */
+
+const STRING = 'string';
+const propertyReplacementMap = {
+    modalities: 'ModalitiesInStudy',
+    patientBirthdate: 'PatientBirthDate'
+};
+
+/**
+ * OHIF Viewers specialized version of StudySummary class
+ */
+export class OHIFStudySummary extends OHIF.viewerbase.metadata.StudySummary {
+
+    // @Override
+    addTags(tagMap) {
+        const _hasOwn = Object.prototype.hasOwnProperty;
+        const _tagMap = Object.create(null);
+        for (let property in tagMap) {
+            if (_hasOwn.call(tagMap, property)) {
+                let standardProperty = OHIFStudySummary.getStandardPropertyName(property);
+                if (standardProperty) {
+                    _tagMap[standardProperty] = tagMap[property];
+                }
+            }
+        }
+        super.addTags(_tagMap);
+    }
+
+    /**
+     * Turns a non-standard, OHIF specific, DICOM property name into a standard one.
+     * @param {string} property A string representing a non-conforming keyword.
+     * @returns {string|undefined} Returns a standard-conforming property name.
+     */
+    static getStandardPropertyName(property) {
+        let standardProperty;
+        if (typeof property === STRING && property.charAt(0) !== '_') {
+            if (property in propertyReplacementMap) {
+                standardProperty = propertyReplacementMap[propertyReplacementMap];
+            } else {
+                standardProperty = property.replace(/^sop/, 'SOP').replace(/Uid$/, 'UID').replace(/Id$/, 'ID');
+                standardProperty = standardProperty.charAt(0).toUpperCase() + standardProperty.substr(1);
+            }
+        }
+        return standardProperty;
+    }
+
+}

Packages/ohif-studies/imports/client/lib/classes/index.js

@@ -0,0 +1,8 @@
+import { OHIF } from 'meteor/ohif:core';
+import { OHIFStudyMetadataSource } from './OHIFStudyMetadataSource';
+import { OHIFStudySummary } from './OHIFStudySummary';
+
+OHIF.studies.classes = {
+    OHIFStudyMetadataSource,
+    OHIFStudySummary
+};

Packages/ohif-studies/imports/client/lib/index.js

@@ -1,3 +1,4 @@
+import './classes';
 import './loadStudy';
 import './retrieveStudiesMetadata';
 import './retrieveStudyMetadata';