1 files changed, 89 insertions, 0 deletions
diff --git a/app/assets/javascripts/releases/util.js b/app/assets/javascripts/releases/util.js
index 842a423b142..d7fac7a9b65 100644
--- a/app/assets/javascripts/releases/util.js
+++ b/app/assets/javascripts/releases/util.js
@@ -1,3 +1,6 @@
+import { pick } from 'lodash';
+import createGqClient, { fetchPolicies } from '~/lib/graphql';
+import { truncateSha } from '~/lib/utils/text_utility';
 import {
   convertObjectPropsToCamelCase,
   convertObjectPropsToSnakeCase,
@@ -39,3 +42,89 @@ export const apiJsonToRelease = json => {
 
   return release;
 };
+
+export const gqClient = createGqClient({}, { fetchPolicy: fetchPolicies.NO_CACHE });
+
+const convertScalarProperties = graphQLRelease =>
+  pick(graphQLRelease, [
+    'name',
+    'tagName',
+    'tagPath',
+    'descriptionHtml',
+    'releasedAt',
+    'upcomingRelease',
+  ]);
+
+const convertAssets = graphQLRelease => ({
+  assets: {
+    count: graphQLRelease.assets.count,
+    sources: [...graphQLRelease.assets.sources.nodes],
+    links: graphQLRelease.assets.links.nodes.map(l => ({
+      ...l,
+      linkType: l.linkType?.toLowerCase(),
+    })),
+  },
+});
+
+const convertEvidences = graphQLRelease => ({
+  evidences: graphQLRelease.evidences.nodes.map(e => e),
+});
+
+const convertLinks = graphQLRelease => ({
+  _links: {
+    ...graphQLRelease.links,
+    self: graphQLRelease.links?.selfUrl,
+  },
+});
+
+const convertCommit = graphQLRelease => {
+  if (!graphQLRelease.commit) {
+    return {};
+  }
+
+  return {
+    commit: {
+      shortId: truncateSha(graphQLRelease.commit.sha),
+      title: graphQLRelease.commit.title,
+    },
+    commitPath: graphQLRelease.commit.webUrl,
+  };
+};
+
+const convertAuthor = graphQLRelease => ({ author: graphQLRelease.author });
+
+const convertMilestones = graphQLRelease => ({
+  milestones: graphQLRelease.milestones.nodes.map(m => ({
+    ...m,
+    webUrl: m.webPath,
+    webPath: undefined,
+    issueStats: {
+      total: m.stats.totalIssuesCount,
+      closed: m.stats.closedIssuesCount,
+    },
+    stats: undefined,
+  })),
+});
+
+/**
+ * Converts the response from the GraphQL endpoint into the
+ * same shape as is returned from the Releases REST API.
+ *
+ * This allows the release components to use the response
+ * from either endpoint interchangeably.
+ *
+ * @param response The response received from the GraphQL endpoint
+ */
+export const convertGraphQLResponse = response => {
+  const releases = response.data.project.releases.nodes.map(r => ({
+    ...convertScalarProperties(r),
+    ...convertAssets(r),
+    ...convertEvidences(r),
+    ...convertLinks(r),
+    ...convertCommit(r),
+    ...convertAuthor(r),
+    ...convertMilestones(r),
+  }));
+
+  return { data: releases };
+};