코드리뷰 봇 구현

.github/actions/request_review/action.yml

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+name: "request-review"
+description: "Request a review from a specific user on a pull request"
+
+inputs:
+  slack_url:
+    required: true
+
+runs:
+  using: "node20"
+  main: "request_review.js"

.github/actions/request_review/request_review.js

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+import core from "@actions/core";
+import { IncomingWebhook } from "@slack/webhook";
+import github from "@actions/github";
+
+const USERS = [
+  { name: "김동완", slackID: "U06MGJUV5T6", githubID: 77495584 },
+  { name: "박건규", slackID: "U06MXJEGBQ8", githubID: 67491015 },
+  { name: "강하은", slackID: "U06M2P73SQ6", githubID: 145974230 },
+  { name: "김민준", slackID: "U06NWKZ9D8B", githubID: 129190157 },
+  { name: "김기표", slackID: "U06NSRR169Y", githubID: 44811887 },
+  { name: "김서영", slackID: "U06NWN9QGE8", githubID: 48192106 },
+  { name: "김양하", slackID: "U06NL19ENBG", githubID: 48500209 },
+  { name: "박재현", slackID: "U06NC98ND71", githubID: 5674167 },
+  { name: "이윤성", slackID: "U06MZ147HBR", githubID: 56749516 },
+  { name: "이규민", slackID: "U06MJJ8463Y", githubID: 102893954 },
+  { name: "임채승", slackID: "U06NC9JEU2K", githubID: 45393030 },
+  { name: "주동혁", slackID: "U06NDMR0EA3", githubID: 65863017 },
+  { name: "최규민", slackID: "U06M9TMN89G", githubID: 127067021 },
+];
+
+try {
+  const url = core.getInput("slack_url");
+  const webhook = new IncomingWebhook(url);
+
+  const send = () => {
+    webhook.send(
+      {
+        text: "PR이 도착했습니다.🫡",
+        blocks: [
+          {
+            type: "header",
+            text: {
+              type: "plain_text",
+              text: "PR이 도착했습니다.🫡",
+              emoji: true,
+            },
+          },
+          {
+            type: "header",
+            text: {
+              type: "plain_text",
+              text: `${github.context.payload.pull_request.title}`,
+            },
+          },
+          {
+            type: "section",
+            fields: [
+              {
+                type: "mrkdwn",
+                text: `<@${
+                  USERS.find(
+                    (user) =>
+                      user.githubID === github.context.payload.sender.id,
+                  )?.slackID
+                }>님이 PR을 보냈습니다!`,
+              },
+            ],
+          },
+          {
+            type: "section",
+            fields: [
+              {
+                type: "mrkdwn",
+                text: `${github.context.payload.pull_request.requested_reviewers
+                  .map((reviewer) => {
+                    const slackID = USERS.find(
+                      (user) => user.githubID === reviewer.id,
+                    )?.slackID;
+                    return slackID ? `<@${slackID}>` : undefined;
+                  })
+                  .filter(Boolean)
+                  .join(" ")}님 리뷰를 부탁해요!`,
+              },
+            ],
+          },
+          {
+            type: "actions",
+            elements: [
+              {
+                type: "button",
+                url: `${github.context.payload.pull_request.html_url}`,
+                text: {
+                  type: "plain_text",
+                  text: "PR 확인하기",
+                },
+              },
+            ],
+          },
+        ],
+      },
+      function (err, response) {
+        console.log(response);
+      },
+    );
+  };
+  if (github.context.payload.pull_request.requested_reviewers.length > 0)
+    send();
+} catch (error) {
+  core.setFailed(error.message);
+}

.github/workflows/pull_request.yml

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+on:
+  pull_request:
+    types: [opened, reopened]
+
+jobs:
+  request_review:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - name: Cache node modules
+        uses: actions/cache@v4
+        id: cache
+        with:
+          path: node_modules
+          key: npm-packages-${{ hashFiles('**/package-lock.json') }}
+      - name: Install Dependencies
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: npm ci
+      - name: Start PR actions
+        id: PRAction
+        uses: ./.github/actions/request_review
+        with:
+          slack_url: ${{ secrets.SLACK_WEBHOOK_URL }}