init

src/dimse/fetchGet.ts

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+import { ConfParams, config } from '../utils/config';
+import { getScu, getScuOptions, Node as DicomNode } from 'dicom-dimse-native';
+import { LoggerSingleton } from '../utils/logger';
+import { QUERY_LEVEL, queryLevelToPath, queryLevelToString } from './querLevel';
+
+// request data from PACS via c-get or c-move
+export async function fetchGet(studyUid: string, seriesUid: string, imageUid: string, level: QUERY_LEVEL, target: DicomNode): Promise<unknown> {
+  const logger = LoggerSingleton.Instance;
+
+  // add query retrieve level and fetch whole study
+  const ts = config.get(ConfParams.XTRANSFER) as string;
+
+  const getOptions: getScuOptions = {
+    tags: [
+      {
+        key: '00080052',
+        value: queryLevelToString(level),
+      },
+      {
+        key: '0020000D',
+        value: studyUid,
+      },
+    ],
+    netTransferPrefer: ts,
+    source: config.get(ConfParams.SOURCE),
+    target,
+    verbose: config.get(ConfParams.VERBOSE) as boolean,
+    storagePath: config.get(ConfParams.STORAGE_PATH),
+  };
+
+  if (level >= QUERY_LEVEL.SERIES) {
+    getOptions.tags.push({
+      key: '0020000E',
+      value: seriesUid,
+    });
+  }
+
+  if (level >= QUERY_LEVEL.IMAGE) {
+    getOptions.tags.push({
+      key: '00080018',
+      value: imageUid,
+    });
+  }
+  const uidPath = queryLevelToPath(studyUid, seriesUid, imageUid, level);
+
+  return new Promise((resolve, reject) => {
+    try {
+      logger.info(`fetch start: ${uidPath}`);
+      getScu(getOptions, (result: string) => {
+        if (result && result.length > 0) {
+          try {
+            const json = JSON.parse(result);
+            if (json.code === 0 || json.code === 2) {
+              logger.info(`fetch finished: ${uidPath}`);
+              resolve(result);
+            } else {
+              logger.info(JSON.parse(result));
+            }
+          } catch (error) {
+            reject(error);
+          }
+        }
+      });
+    } catch (error) {
+      reject(error);
+    }
+  });
+}