feat: release mobile issue assignments (#183)

frontend/index.html

@@ -353,6 +353,7 @@ textarea { resize: vertical; min-height: 120px; }
       <div id="issue-comment-status" class="small" aria-live="assertive"></div>
     </section>
     <div class="issue-sheet-actions">
+      <button id="release-issue" type="button">Release assignment</button>
       <button id="close-issue" type="button">Close issue</button>
       <a id="open-issue-gitea" href="#" target="_blank" rel="noopener noreferrer">Open in Gitea</a>
     </div>
@@ -1718,6 +1719,27 @@ textarea { resize: vertical; min-height: 120px; }
       button.disabled = false;
     }
   });
+  qs('#release-issue').addEventListener('click', async () => {
+    if (!selectedIssue || !window.confirm('Release ' + selectedIssue.key + ' from your My Work?')) return;
+    const releasing = selectedIssue;
+    const button = qs('#release-issue');
+    button.disabled = true;
+    qs('#issue-sheet-status').textContent = 'Releasing assignment…';
+    try {
+      const confirmed = await issueController.release(selectedIssue, lastContextSnapshot?.user?.login);
+      lastContextSnapshot = buildMyWork.removeIssue(
+        lastContextSnapshot, releasing.repository, releasing.number
+      );
+      paintMyWork(lastContextSnapshot);
+      closeIssueSheet();
+      qs('#my-work-action-status').textContent = releasing.key + ' released.' +
+        (confirmed.available ? ' It is available in Find Work.' : ' Other assignees remain.');
+    } catch (error) {
+      qs('#issue-sheet-status').textContent = error.message + ' The issue remains in My Work; retry.';
+      button.disabled = false;
+      button.focus();
+    }
+  });
   qs('#close-issue').addEventListener('click', async () => {
     if (!selectedIssue || !window.confirm('Close ' + selectedIssue.key + '?')) return;
     const closing = selectedIssue;

frontend/issue-sheet.js

@@ -1,6 +1,7 @@
 function createIssueSheet({ fetchJson, storage }) {
   let commentRequest = null;
   let closeRequest = null;
+  let releaseRequest = null;
   let labelRequest = null;
   const issuePath = item => 'api/v1/repos/' + item.repository.split('/').map(encodeURIComponent).join('/') +
     '/issues/' + encodeURIComponent(item.number);
@@ -61,6 +62,23 @@ function createIssueSheet({ fetchJson, storage }) {
       }).finally(() => { closeRequest = null; });
       return closeRequest;
     },
+    release(item, currentLogin) {
+      if (releaseRequest) return releaseRequest;
+      releaseRequest = fetchJson(issuePath(item) + '/release', {
+        method: 'PATCH',
+        headers: { Accept: 'application/json' },
+      }).then(result => {
+        if (
+          result?.number !== item.number ||
+          !Array.isArray(result.assignees) ||
+          result.assignees.includes(currentLogin)
+        ) {
+          throw new Error('Issue release was not confirmed.');
+        }
+        return result;
+      }).finally(() => { releaseRequest = null; });
+      return releaseRequest;
+    },
     comment(item, body) {
       if (commentRequest) return commentRequest;
       this.saveDraft(item, body);

frontend/my-work.js

@@ -335,6 +335,15 @@ function replaceIssueLabels(data, repository, number, labels) {
   };
 }
 
+function removeIssue(data, repository, number) {
+  return {
+    ...data,
+    issues: (data.issues || []).filter(item =>
+      item.repository !== repository || item.number !== number
+    ),
+  };
+}
+
 function summarizeMyWork(items) {
   const updates = items.filter((item) => item.has_update).length;
   const reviews = items.filter((item) => item.is_review).length;
@@ -358,6 +367,7 @@ function countMyWork(items) {
 if (typeof module !== 'undefined' && module.exports) {
   buildMyWork.filterMyWork = filterMyWork;
   buildMyWork.replaceIssueLabels = replaceIssueLabels;
+  buildMyWork.removeIssue = removeIssue;
   buildMyWork.summarizeMyWork = summarizeMyWork;
   buildMyWork.countMyWork = countMyWork;
   buildMyWork.acknowledgeNotification = acknowledgeNotification;