init

extensions/default/src/getDisplaySetMessages.ts

@@ -0,0 +1,54 @@
+import sortInstancesByPosition from '@ohif/core/src/utils/sortInstancesByPosition';
+import { constructableModalities } from '@ohif/core/src/utils/isDisplaySetReconstructable';
+import { DisplaySetMessage, DisplaySetMessageList } from '@ohif/core';
+import checkMultiFrame from './utils/validations/checkMultiframe';
+import checkSingleFrames from './utils/validations/checkSingleFrames';
+/**
+ * Checks if a series is reconstructable to a 3D volume.
+ *
+ * @param {Object[]} instances An array of `OHIFInstanceMetadata` objects.
+ */
+export default function getDisplaySetMessages(
+  instances: Array<any>,
+  isReconstructable: boolean,
+  isDynamicVolume: boolean
+): DisplaySetMessageList {
+  const messages = new DisplaySetMessageList();
+
+  if (isDynamicVolume) {
+    return messages;
+  }
+
+  if (!instances.length) {
+    messages.addMessage(DisplaySetMessage.CODES.NO_VALID_INSTANCES);
+    return;
+  }
+
+  const firstInstance = instances[0];
+  const { Modality, ImageType, NumberOfFrames } = firstInstance;
+  // Due to current requirements, LOCALIZER series doesn't have any messages
+  if (ImageType?.includes('LOCALIZER')) {
+    return messages;
+  }
+
+  if (!constructableModalities.includes(Modality)) {
+    return messages;
+  }
+
+  const isMultiframe = NumberOfFrames > 1;
+  // Can't reconstruct if all instances don't have the ImagePositionPatient.
+  if (!isMultiframe && !instances.every(instance => instance.ImagePositionPatient)) {
+    messages.addMessage(DisplaySetMessage.CODES.NO_POSITION_INFORMATION);
+  }
+
+  const sortedInstances = sortInstancesByPosition(instances);
+
+  isMultiframe
+    ? checkMultiFrame(sortedInstances[0], messages)
+    : checkSingleFrames(sortedInstances, messages);
+
+  if (!isReconstructable) {
+    messages.addMessage(DisplaySetMessage.CODES.NOT_RECONSTRUCTABLE);
+  }
+  return messages;
+}