From aab91a4ce0781253c735e2cfa83472f8afe8ab2d Mon Sep 17 00:00:00 2001
From: Yarden Shoham <git@yardenshoham.com>
Date: Fri, 8 Sep 2023 15:29:53 +0300
Subject: [PATCH] Close issues with `status/needs-feedback` that were last
 updated more  than a month ago (#108)

* Close issues with `status/needs-feedback` that were last updated more than a month ago

We will close issues with the label `status/needs-feedback` if there is no new activity in the past month.

Co-authored-by: silverwind <me@silverwind.io>
---
 README.md       |  5 +++++
 src/feedback.ts | 28 ++++++++++++++++++++++++++++
 src/github.ts   | 26 ++++++++++++++++++++++++++
 src/webhook.ts  |  4 +++-
 4 files changed, 62 insertions(+), 1 deletion(-)
 create mode 100644 src/feedback.ts

diff --git a/README.md b/README.md
index 12f0acf..da0a52f 100644
--- a/README.md
+++ b/README.md
@@ -62,6 +62,11 @@ The script will also lock issues and pull requests that have been closed for 3
 months. If the issue was commented on in the last two weeks, a comment will be
 posted suggesting opening a new issue to continue the discussion.
 
+### Feedback
+
+The script will close issues with the label `status/needs-feedback` if a month
+has passed since they were updated.
+
 ### Maintainer commands
 
 The script can execute some actions like updating a PR's branch if requested by
diff --git a/src/feedback.ts b/src/feedback.ts
new file mode 100644
index 0000000..ad8c33c
--- /dev/null
+++ b/src/feedback.ts
@@ -0,0 +1,28 @@
+import { addComment, closeIssue, fetchOpenIssuesWithLabel } from "./github.ts";
+
+export const run = async () => {
+  // get all issues with the label "status/needs-feedback"
+  const issuesWithStatusNeedsFeedback = await fetchOpenIssuesWithLabel(
+    "status/needs-feedback",
+  );
+  return Promise.all(issuesWithStatusNeedsFeedback.items.map(handleIssue));
+};
+
+// close issue if a month has passed since it was last updated
+const handleIssue = async (issue: {
+  number: number;
+  updated_at: string;
+}) => {
+  const oneMonthAgo = (new Date(Date.now() - 1000 * 60 * 60 * 24 * 30))
+    .getTime();
+  if ((new Date(issue.updated_at)).getTime() < oneMonthAgo) {
+    console.log(`Closing issue #${issue.number} due to feedback timeout`);
+    await addComment(
+      issue.number,
+      `We close issues that need feedback from the author if there were no new comments for a month. :tea:`,
+    );
+
+    // close issue
+    await closeIssue(issue.number);
+  }
+};
diff --git a/src/github.ts b/src/github.ts
index 3fe1da6..244cd45 100644
--- a/src/github.ts
+++ b/src/github.ts
@@ -40,6 +40,19 @@ export const fetchMergedWithLabel = async (label: string) => {
   return json;
 };
 
+// returns a list of open issues with the given label
+export const fetchOpenIssuesWithLabel = async (label: string) => {
+  const response = await fetch(
+    `${GITHUB_API}/search/issues?q=` +
+      encodeURIComponent(
+        `is:issue is:open label:${label} repo:go-gitea/gitea`,
+      ),
+    { headers: HEADERS },
+  );
+  const json = await response.json();
+  return json;
+};
+
 // returns a list of PRs pending merge (have the label reviewed/wait-merge)
 export const fetchPendingMerge = async () => {
   const response = await fetch(
@@ -476,3 +489,16 @@ export const fetchLastComment = async (issueNumber: number) => {
   if (!json.length) return null;
   return json[0];
 };
+
+// closes the given issue
+export const closeIssue = async (issueNumber: number) => {
+  const response = await fetch(
+    `${GITHUB_API}/repos/go-gitea/gitea/issues/${issueNumber}`,
+    {
+      method: "PATCH",
+      headers: HEADERS,
+      body: JSON.stringify({ state: "closed" }),
+    },
+  );
+  return response.json();
+};
diff --git a/src/webhook.ts b/src/webhook.ts
index 7926ffa..91322bd 100644
--- a/src/webhook.ts
+++ b/src/webhook.ts
@@ -9,6 +9,7 @@ import * as lgtm from "./lgtm.ts";
 import * as comments from "./comments.ts";
 import * as lock from "./lock.ts";
 import * as prActions from "./prActions.ts";
+import * as feedback from "./feedback.ts";
 
 const secret = Deno.env.get("BACKPORTER_GITHUB_SECRET");
 
@@ -31,10 +32,11 @@ webhook.on("push", ({ payload }) => {
     backport.run();
   }
 
-  // we should take this opportunity to run the label, merge queue, and lock maintenance
+  // we should take this opportunity to run the label, merge queue, lock, and feedback maintenance
   labels.run();
   mergeQueue.run();
   lock.run();
+  feedback.run();
 });
 
 // on pull request labeling events, run the label and merge queue maintenance