✨ 더 공평한 리뷰어 선정 (#398)

Author: goranikin

.github/workflows/playwright.yml

@@ -1,9 +1,9 @@
 name: Playwright Tests
 on:
   push:
-    branches: '**'
+    branches: ['**']
   pull_request:
-    branches: '**'
+    branches: ['**']
 jobs:
   test:
     timeout-minutes: 60

.github/workflows/random_reviewer.yaml

@@ -8,20 +8,57 @@ on:
       - '**'
 
 jobs:
-  random-reviwer:
+  random-reviewer:
     runs-on: ubuntu-latest
     steps:
-      - id: random_reviwer
-        uses: actions/github-script@v3
+      - id: random_reviewer
+        uses: actions/github-script@v6
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |
             const myId  = '${{ github.event.pull_request.user.login }}';
             const idList = ['yeolyi', 'Limchansol', 'goranikin', 'onemeee'];
-            const candidate = idList.filter(id => id !== myId);
+            const candidateList = idList.filter(id => id !== myId);
 
-            const idx = Math.floor(Math.random() * candidate.length);
-            const randomReviewer = candidate[idx];
+            const recentPRs = await github.rest.pulls.list({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              state: 'all',
+              sort: 'updated',
+              direction: 'desc',
+              per_page: 10
+            });
+
+            const reviewerPromises = recentPRs.data.map(pr =>
+              github.rest.pulls.listRequestedReviewers({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                pull_number: pr.number
+              })
+            );
+
+            const reviewersResults = await Promise.all(reviewerPromises);
+
+            const reviewCounts = {};
+            for (const reviewer of candidateList) {
+              reviewCounts[reviewer] = 0;
+            }
+
+            for (const reviewers of reviewersResults) {
+              for (const reviewer of reviewers.data.users) {
+                if (reviewCounts[reviewer.login] !== undefined) {
+                  reviewCounts[reviewer.login]++;
+                }
+              }
+            }
+
+            const minCount = Math.min(...Object.values(reviewCounts));
+            const leastAssignedReviewers = Object.keys(reviewCounts).filter(
+              reviewer => reviewCounts[reviewer] === minCount
+            );
+            const randomReviewer = leastAssignedReviewers[
+              Math.floor(Math.random() * leastAssignedReviewers.length)
+            ];
 
             const deadline = new Date(Date.now() + 3 * 24 * 60 * 60 * 1000);
             const comment = `@${randomReviewer}님 ${deadline.toLocaleDateString('ko-KR')}까지 리뷰 부탁드립니다 🎉`
@@ -32,12 +69,12 @@ jobs:
         uses: mshick/add-pr-comment@v1
         with:
           message: |
-            ${{ steps.random_reviwer.outputs.comment }}
+            ${{ steps.random_reviewer.outputs.comment }}
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           repo-token-user-login: 'github-actions[bot]'
 
       - name: Add Pull Request Reviewer
         uses: madrapps/add-reviewers@v1
         with:
-          reviewers: ${{ steps.random_reviwer.outputs.reviewer }}
+          reviewers: ${{ steps.random_reviewer.outputs.reviewer }}
           token: ${{ secrets.GITHUB_TOKEN }}