using on-the-fly compression (wip)

knopkem · Apr 7, 2021 · 9a89e2c · 9a89e2c
1 parent 0e670ba
commit 9a89e2c
Show file tree

Hide file tree

Showing 5 changed files with 154 additions and 104 deletions.
diff --git a/config/default.js b/config/default.js
@@ -14,6 +14,9 @@ config.target = {
   port: "5678"
 };
 
+// transfer syntax (e.g. compression of dicom files) used for transmission via wado
+config.transferSyntax = '1.2.840.10008.1.2.4.80';
+
 // log directory
 config.logDir = "./logs";
 

diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -28,7 +28,7 @@
   "dependencies": {
     "config": "^3.3.4",
     "dicom-data-dictionary": "^0.3.1",
-    "dicom-dimse-native": "^1.2.9",
+    "dicom-dimse-native": "^1.2.11",
     "dicom-parser": "^1.8.7",
     "fastify": "^3.12.0",
     "fastify-cors": "^4.1.0",

diff --git a/src/app.js b/src/app.js
@@ -104,8 +104,8 @@ fastify.get('/viewer/wadouri', async (req, reply) => {
     return;
   }
   const storagePath = config.get('storagePath');
+  const studyPath = path.join(storagePath, studyUid)
   const pathname = path.join(storagePath, studyUid, imageUid);
-
   try {
     await utils.fileExists(pathname);
   } catch (error) {
@@ -130,6 +130,16 @@ fastify.get('/viewer/wadouri', async (req, reply) => {
       return;
   }
 
+  try {
+    await utils.compressFile(pathname, studyPath);
+  } catch (error) {
+      logger.error(error);
+      const msg = `failed to compress ${pathname}`;
+      reply.code(500);
+      reply.send(msg);
+      return;
+  }
+
   // if the file is found, set Content-type and send data
   reply.header(
     'Content-Type',