Create methods to update issues and MRs in api.js

app/assets/javascripts/api.js

@@ -51,6 +51,7 @@ const Api = {
   pipelinesPath: '/api/:version/projects/:id/pipelines/',
   environmentsPath: '/api/:version/projects/:id/environments',
   rawFilePath: '/api/:version/projects/:id/repository/files/:path/raw',
+  issuePath: '/api/:version/projects/:id/issues/:issue_iid',
 
   group(groupId, callback) {
     const url = Api.buildUrl(Api.groupPath).replace(':id', groupId);
@@ -540,6 +541,22 @@ const Api = {
     return axios.get(url, { params });
   },
 
+  updateIssue(project, issue, data = {}) {
+    const url = Api.buildUrl(Api.issuePath)
+      .replace(':id', encodeURIComponent(project))
+      .replace(':issue_iid', encodeURIComponent(issue));
+
+    return axios.put(url, data);
+  },
+
+  updateMergeRequest(project, mergeRequest, data = {}) {
+    const url = Api.buildUrl(Api.projectMergeRequestPath)
+      .replace(':id', encodeURIComponent(project))
+      .replace(':mrid', encodeURIComponent(mergeRequest));
+
+    return axios.put(url, data);
+  },
+
   buildUrl(url) {
     return joinPaths(gon.relative_url_root || '', url.replace(':version', gon.api_version));
   },

changelogs/unreleased/191455-add-a-button-to-quickly-assign-users-who-have-commented-on-an-issu.yml

+---
+title: Add api.js methods to update issues and merge requests
+merge_request: 32893
+author:
+type: added

spec/frontend/api_spec.js

@@ -691,4 +691,38 @@ describe('Api', () => {
       });
     });
   });
+
+  describe('updateIssue', () => {
+    it('update an issue with the given payload', done => {
+      const projectId = 8;
+      const issue = 1;
+      const expectedArray = [1, 2, 3];
+      const expectedUrl = `${dummyUrlRoot}/api/${dummyApiVersion}/projects/${projectId}/issues/${issue}`;
+      mock.onPut(expectedUrl).reply(200, { assigneeIds: expectedArray });
+
+      Api.updateIssue(projectId, issue, { assigneeIds: expectedArray })
+        .then(({ data }) => {
+          expect(data.assigneeIds).toEqual(expectedArray);
+          done();
+        })
+        .catch(done.fail);
+    });
+  });
+
+  describe('updateMergeRequest', () => {
+    it('update an issue with the given payload', done => {
+      const projectId = 8;
+      const mergeRequest = 1;
+      const expectedArray = [1, 2, 3];
+      const expectedUrl = `${dummyUrlRoot}/api/${dummyApiVersion}/projects/${projectId}/merge_requests/${mergeRequest}`;
+      mock.onPut(expectedUrl).reply(200, { assigneeIds: expectedArray });
+
+      Api.updateMergeRequest(projectId, mergeRequest, { assigneeIds: expectedArray })
+        .then(({ data }) => {
+          expect(data.assigneeIds).toEqual(expectedArray);
+          done();
+        })
+        .catch(done.fail);
+    });
+  });
 });