From 05c348da51b3af94de23afecd450b0bef4bfb58a Mon Sep 17 00:00:00 2001
From: Denis Rouzaud <denis.rouzaud@gmail.com>
Date: Thu, 21 Nov 2024 10:25:14 +0100
Subject: [PATCH] follow-up

---
 .github/workflows/build_artifact_comment.yml | 153 +++++++++++++++++++
 .github/workflows/test.yml                   |   2 +-
 2 files changed, 154 insertions(+), 1 deletion(-)
 create mode 100644 .github/workflows/build_artifact_comment.yml

diff --git a/.github/workflows/build_artifact_comment.yml b/.github/workflows/build_artifact_comment.yml
new file mode 100644
index 00000000..961fdfbb
--- /dev/null
+++ b/.github/workflows/build_artifact_comment.yml
@@ -0,0 +1,153 @@
+name: Write build artifact comments
+
+on:
+  workflow_run:
+    workflows:
+      - 🧪 Run tests and deploy demo data
+    types:
+      - completed
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+
+jobs:
+  on-success:
+
+    permissions:
+      pull-requests: write
+
+    runs-on: ubuntu-latest
+    steps:
+      - name: 'Download artifact'
+        id: download_artifact
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const fs = require('fs');
+
+            const allArtifacts = await github.rest.actions.listWorkflowRunArtifacts({
+               owner: context.repo.owner,
+               repo: context.repo.repo,
+               run_id: context.payload.workflow_run.id,
+            });
+
+            let matchArtifacts = allArtifacts.data.artifacts.filter((artifact) => {
+              return artifact.name.startsWith('comment_artifacts-');
+            });
+
+            if (matchArtifacts.length > 0)
+            {
+              for (const artifact of matchArtifacts) {
+                const suffix = artifact.name.split('comment_artifacts-')[1]; // Extract the suffix from the artifact name
+
+                // Download each matching artifact
+                let download = await github.rest.actions.downloadArtifact({
+                   owner: context.repo.owner,
+                   repo: context.repo.repo,
+                   artifact_id: artifact.id,
+                   archive_format: 'zip',
+                });
+
+                // Write each artifact to a zip file named after its suffix
+                const zipFilePath = `${process.env.GITHUB_WORKSPACE}/data-${suffix}.zip`;
+                fs.writeFileSync(zipFilePath, Buffer.from(download.data));
+                console.log(`Downloaded and saved artifact: ${artifact.name} to ${zipFilePath}`);
+              }
+            }
+            else
+            {
+              core.setOutput('artifact_id', 0);
+            }
+
+      - name: 'Unzip artifact'
+        run: |
+          unzip data-*.zip
+
+      - name: 'Post artifact download link as comment on PR'
+        uses: actions/github-script@v7
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            function updateCommentSection(prComment, marker, body) {
+              // Create a regular expression to match the section between start and end markers
+              const sectionRegex = new RegExp(`(<!-- ====startsection ${marker}-->\\n)([\\s\\S]*?)(<!-- ====endsection ${marker}-->)`, 'm');
+
+              // Check if the section with the marker exists
+              if (sectionRegex.test(prComment)) {
+                // Replace the existing body text between the markers
+                return prComment.replace(sectionRegex, `$1${body}\n$3`);
+              } else {
+                // If the section doesn't exist, append the new section to the end
+                return prComment.trim() + `\n\n<!-- ====startsection ${marker}-->\n${body}\n<!-- ====endsection ${marker}-->\n`;
+              }
+            }
+            const fs = require('fs');
+            const path = require('path');
+
+            // Read all files matching the pattern 'comment*.json'
+            const files = fs.readdirSync('.').filter(file => file.startsWith('comment') && file.endsWith('.json'));
+
+            if (files.length === 0) {
+              console.log('No comment*.json files found');
+              return;
+            }
+
+            // Take the PR number from the first file
+            const dataSample = JSON.parse(fs.readFileSync(files[0], 'utf8'));
+            const prNumber = dataSample.pr_number;
+
+            const prComments = await github.rest.issues.listComments({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: prNumber,
+            });
+
+            const PREFIX = "<!-- !!## stickymarker ##!! -->";
+
+            // Find the comment that starts with the specified PREFIX
+            const comment = prComments.data?.find(c => c.body.startsWith(PREFIX));
+
+            let newPrComment;
+            if (!!comment) {
+                newPrComment = comment.body;
+            } else {
+                newPrComment = PREFIX + "\n";
+            }
+
+
+            // Loop through all the comment*.json files
+            for (const file of files) {
+                try {
+                    const data = JSON.parse(fs.readFileSync(file, 'utf8'));
+
+                    const marker = data.marker;
+                    const body = data.body;
+                    console.debug(data);
+
+                    newPrComment = updateCommentSection(newPrComment, marker, body);
+                } catch (error) {
+                    console.error(`Failed to process file ${file}: ${error.message}`);
+                }
+            }
+
+            // Update or create the PR comment after processing all the files
+            if (!!comment) {
+              // Update the existing comment
+              await github.rest.issues.updateComment({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                comment_id: comment.id,
+                body: newPrComment
+              });
+            } else {
+              // Create a new comment
+              await github.rest.issues.createComment({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                issue_number: prNumber,
+                body: newPrComment
+              });
+            }
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 40afee86..0dd44b39 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,4 +1,4 @@
-name: 🧪 Test and build Docker image
+name: 🧪 Run tests and deploy demo data
 
 on:
   push: