From 4224a6d5680b7274346820d60c9f4dc866713c08 Mon Sep 17 00:00:00 2001
From: Victor Alfaro <victor.alfaro@dotcms.com>
Date: Fri, 4 Oct 2024 14:29:42 -0600
Subject: [PATCH]  #28717: linking issue to PR when PR is opened

---
 .../workflows/issue_comp_link-issue-to-pr.yml | 90 +++++++++++++++++++
 .../workflows/issue_comp_link-pr-to-issue.yml |  1 -
 .github/workflows/issue_open-pr.yml           | 12 +++
 3 files changed, 102 insertions(+), 1 deletion(-)
 create mode 100644 .github/workflows/issue_comp_link-issue-to-pr.yml
 create mode 100644 .github/workflows/issue_open-pr.yml

diff --git a/.github/workflows/issue_comp_link-issue-to-pr.yml b/.github/workflows/issue_comp_link-issue-to-pr.yml
new file mode 100644
index 000000000000..84562167db56
--- /dev/null
+++ b/.github/workflows/issue_comp_link-issue-to-pr.yml
@@ -0,0 +1,90 @@
+name: Link Issue to PR
+
+on:
+  workflow_call:
+    inputs:
+      pr_branch:
+        description: 'Pull Request branch'
+        type: string
+        required: true
+  workflow_dispatch:
+    inputs:
+      pr_branch:
+        description: 'Pull Request branch'
+        type: string
+        required: true
+
+env:
+  GH_TOKEN: ${{ github.token }}
+
+jobs:
+  add-issue-to-pr:
+    runs-on: ubuntu-latest
+
+    steps:
+      - run: echo 'GitHub context'
+        env:
+          GITHUB_CONTEXT: ${{ toJson(github) }}
+
+      - name: Extract issue number from branch name
+        id: extract_issue_number
+        run: |
+          branch_name="${{ inputs.pr_branch }}"
+          if [[ "$branch_name" =~ ^([0-9]+)- ]]; then
+            issue_number="${BASH_REMATCH[1]}"
+          elif [[ "$branch_name" =~ ^issue-([0-9]+)- ]]; then
+            issue_number="${BASH_REMATCH[1]}"
+          else
+            echo "Branch name doesn't match the expected pattern"
+            exit 1
+          fi
+          
+          echo "issue_number=$issue_number" >> "$GITHUB_OUTPUT"
+
+      - name: Get existing issue comments
+        id: get_comments
+        run: |
+          comments=$(\
+            gh api \ 
+              -H "Accept: application/vnd.github+json" \
+              -H "X-GitHub-Api-Version: 2022-11-28" \
+              /repos/${{ github.repository }}/issues/${{ steps.extract_issue_number.outputs.issue_number }}/comments \
+          )
+          
+          echo "comments=$comments" >> "$GITHUB_OUTPUT"
+
+      - name: Check if PR comment exists
+        id: check_comment
+        run: |
+          pr_url="${{ github.event.pull_request.html_url }}"
+          existing_comment_id=""
+          pr_list="PRs:\n- $pr_url"
+          for comment in $(echo "${{ steps.get_comments.outputs.comments }}" | jq -c '.[]'); do
+            comment_body=$(echo "$comment" | jq -r '.body')
+            if [[ "$comment_body" == PRs:* ]]; then
+              existing_comment_id=$(echo "$comment" | jq -r '.id')
+              pr_list="${comment_body}\n- $pr_url"
+              break
+            fi
+          done
+          
+          echo "pr_list=$pr_list" >> "$GITHUB_OUTPUT"
+          echo "existing_comment_id=$existing_comment_id" >> "$GITHUB_OUTPUT"
+
+      - name: Update or create comment
+        if: steps.check_comment.outputs.existing_comment_id == ''
+        uses: peter-evans/create-or-update-comment@v4
+        with:
+          issue-number: ${{ steps.extract_issue_number.outputs.issue_number }}
+          body: ${{ steps.check_comment.outputs.pr_list }}
+
+      - name: Update existing comment
+        if: steps.check_comment.outputs.existing_comment_id != ''
+        run: |
+          comment_id="${{ steps.check_comment.outputs.existing_comment_id }}"
+          pr_list="${{ steps.check_comment.outputs.pr_list }}"
+          curl -X PATCH \
+            -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
+            -H "Content-Type: application/json" \
+            -d "{\"body\":\"$pr_list\"}" \
+            "https://api.github.com/repos/${{ github.repository }}/issues/comments/$comment_id"
diff --git a/.github/workflows/issue_comp_link-pr-to-issue.yml b/.github/workflows/issue_comp_link-pr-to-issue.yml
index 66400cd03f67..b18666b8d25e 100644
--- a/.github/workflows/issue_comp_link-pr-to-issue.yml
+++ b/.github/workflows/issue_comp_link-pr-to-issue.yml
@@ -1,4 +1,3 @@
-# action.yml
 name: 'Link Pull Request to Issue'
 on:
   workflow_call:
diff --git a/.github/workflows/issue_open-pr.yml b/.github/workflows/issue_open-pr.yml
new file mode 100644
index 000000000000..37249fdeead7
--- /dev/null
+++ b/.github/workflows/issue_open-pr.yml
@@ -0,0 +1,12 @@
+name: PR opened
+
+on:
+  pull_request:
+    types: [opened]
+
+jobs:
+  add-issue-to-pr:
+    name: Add Issue to PR
+    uses: ./.github/workflows/issue_comp-link-issue-to-pr.yml
+    with:
+      pr_branch: ${{ github.head_ref }}