Add functions for stringifying collection files and keep manifest

[arvados-workbench2.git] / src / services / collection-files-service / collection-manifest-parser.ts

diff --git a/src/services/collection-files-service/collection-manifest-parser.ts b/src/services/collection-files-service/collection-manifest-parser.ts
index df334d49fe846c09734b8b7310161ed86ebd3c66..bed26783ef741f0ddcc1106ee313b770ffcf3354 100644 (file)
--- a/src/services/collection-files-service/collection-manifest-parser.ts
+++ b/src/services/collection-files-service/collection-manifest-parser.ts
@@ -2,7 +2,7 @@
 //
 // SPDX-License-Identifier: AGPL-3.0
 
-import { KeepManifestStream, KeepManifestStreamFile } from "../../models/keep-manifest";
+import { KeepManifestStream, KeepManifestStreamFile, KeepManifest } from "../../models/keep-manifest";
 
 /**
  * Documentation [http://doc.arvados.org/api/storage.html](http://doc.arvados.org/api/storage.html)
@@ -25,6 +25,12 @@ export const parseKeepManifestStream = (stream: string): KeepManifestStream => {
     };
 };
 
+export const stringifyKeepManifest = (manifest: KeepManifest) =>
+    manifest.map(stringifyKeepManifestStream).join('');
+
+export const stringifyKeepManifestStream = (stream: KeepManifestStream) =>
+    `.${stream.name} ${stream.locators.join(' ')} ${stream.files.map(stringifyFile).join(' ')}\n`;
+
 const FILE_LOCATOR_REGEXP = /^([0-9a-f]{32})\+([0-9]+)(\+[A-Z][-A-Za-z0-9@_]*)*$/;
 
 const FILE_REGEXP = /([0-9]+):([0-9]+):(.*)/;
@@ -43,4 +49,7 @@ const parseFile = (token: string): KeepManifestStreamFile => {
     const match = FILE_REGEXP.exec(token);
     const [position, size, name] = match!.slice(1);
     return { name, position, size: parseInt(size, 10) };
-};
\ No newline at end of file
+};
+
+const stringifyFile = (file: KeepManifestStreamFile) =>
+    `${file.position}:${file.size}:${file.name}`;
\ No newline at end of file