Fix Workflow to close discussions (#3999)

* Rework Discussion close WF

* Rework Discussion close WF

.github/workflows/close-discussion.yml

@@ -1,8 +1,13 @@
 name: Close Discussion on PR Merge
 
 on:
-  pull_request:
-    types: [closed]
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+  discussions: write
 
 jobs:
   close-discussion:
@@ -11,56 +16,82 @@ jobs:
     steps:
       - name: Checkout Repository
         uses: actions/checkout@v4
-        with:
-          repository: community-scripts/ProxmoxVE
-          ref: main
-          token: ${{ secrets.GITHUB_TOKEN }}  
 
       - name: Set Up Node.js
         uses: actions/setup-node@v4
         with:
           node-version: "20"
+
       - name: Install Dependencies
         run: npm install zx @octokit/graphql
 
       - name: Close Discussion
         env:
-          GITHUB_TOKEN: ${{ secrets.PAT_MICHEL }}
-          PR_BODY: ${{ github.event.pull_request.body }}
-          PR_NUMBER: ${{ github.event.pull_request.number }}
-          REPO_OWNER: ${{ github.repository_owner }}
-          REPO_NAME: ${{ github.event.repository.name }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_SHA: ${{ github.sha }}
+          GITHUB_REPOSITORY: ${{ github.repository }}
         run: |
           npx zx << 'EOF'
           import { graphql } from "@octokit/graphql";
-          (async function() {
+
+          (async function () {
             try {
               const token = process.env.GITHUB_TOKEN;
-              const prBody = process.env.PR_BODY;
-              const prNumber = process.env.PR_NUMBER;
-              const owner = process.env.REPO_OWNER;
-              const repo = process.env.REPO_NAME;
+              const commitSha = process.env.GITHUB_SHA;
+              const [owner, repo] = process.env.GITHUB_REPOSITORY.split("/");
 
-              if (!token || !prBody || !prNumber || !owner || !repo) {
+              if (!token || !commitSha || !owner || !repo) {
                 console.log("Missing required environment variables.");
                 process.exit(1);
               }
 
+              const graphqlWithAuth = graphql.defaults({
+                headers: { authorization: `Bearer ${token}` },
+              });
+
+              // Find PR from commit SHA
+              const searchQuery = `
+                query($owner: String!, $repo: String!, $sha: GitObjectID!) {
+                  repository(owner: $owner, name: $repo) {
+                    object(oid: $sha) {
+                      ... on Commit {
+                        associatedPullRequests(first: 1) {
+                          nodes {
+                            number
+                            body
+                          }
+                        }
+                      }
+                    }
+                  }
+                }
+              `;
+
+              const prResult = await graphqlWithAuth(searchQuery, {
+                owner,
+                repo,
+                sha: commitSha,
+              });
+
+              const pr = prResult.repository.object.associatedPullRequests.nodes[0];
+              if (!pr) {
+                console.log("No PR found for this commit.");
+                return;
+              }
+
+              const prNumber = pr.number;
+              const prBody = pr.body;
+
               const match = prBody.match(/#(\d+)/);
               if (!match) {
                 console.log("No discussion ID found in PR body.");
                 return;
               }
+
               const discussionNumber = match[1];
-
               console.log(`Extracted Discussion Number: ${discussionNumber}`);
-              console.log(`PR Number: ${prNumber}`);
-              console.log(`Repository: ${owner}/${repo}`);
-
-              const graphqlWithAuth = graphql.defaults({
-                headers: { authorization: `Bearer ${token}` },
-              });
 
+              // Fetch GraphQL discussion ID
               const discussionQuery = `
                 query($owner: String!, $repo: String!, $number: Int!) {
                   repository(owner: $owner, name: $repo) {
@@ -70,21 +101,26 @@ jobs:
                   }
                 }
               `;
-              
-              const discussionResponse = await graphqlWithAuth(discussionQuery, {
+
+              //
+              try {
+                const discussionResponse = await graphqlWithAuth(discussionQuery, {
                   owner,
                   repo,
                   number: parseInt(discussionNumber, 10),
-              });              
-              
-              const discussionQLId = discussionResponse.repository.discussion.id;
-              if (!discussionQLId) {
-                console.log("Failed to fetch discussion GraphQL ID.");
+                });
+
+                const discussionQLId = discussionResponse.repository.discussion.id;
+                if (!discussionQLId) {
+                  console.log("Failed to fetch discussion GraphQL ID.");
+                  return;
+                }
+              } catch (error) {
+                console.error("Discussion not found or error occurred while fetching discussion:", error);
                 return;
               }
 
-              console.log(`GraphQL Discussion ID: ${discussionQLId}`);
-              
+              // Post comment
               const commentMutation = `
                 mutation($discussionId: ID!, $body: String!) {
                   addDiscussionComment(input: { discussionId: $discussionId, body: $body }) {
@@ -106,6 +142,7 @@ jobs:
 
               console.log(`Comment Posted Successfully! Comment ID: ${commentId}`);
 
+              // Mark comment as answer
               const markAnswerMutation = `
                 mutation($id: ID!) {
                   markDiscussionCommentAsAnswer(input: { id: $id }) {
@@ -120,7 +157,7 @@ jobs:
 
             } catch (error) {
               console.error("Error:", error);
-              return;
+              process.exit(1);
             }
           })();
-          EOF
+          EOF