feat(workflow): receive invitation for a trial task

.github/workflows/application-flow.yml

@@ -0,0 +1,105 @@
+name: Application Flow
+
+on:
+  issues:
+    types: [opened]
+  pull_request:
+    types: [closed]
+
+jobs:
+  ask-for-pr:
+    if: github.event_name == 'issues'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Comment with PR instructions
+        uses: actions/github-script@v7
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const fs = require('fs');
+            const path = require('path');
+            const issue = context.payload.issue;
+            const candidate = issue.user.login;
+            const workspace = process.env.GITHUB_WORKSPACE;
+            const commentBody = fs.readFileSync(path.join(workspace, '.github/workflows/application-follow-up-body.md'), 'utf8')
+              .replace('${candidate}', candidate)
+              .replaceAll('${issue_number}', issue.number);
+            await github.rest.issues.createComment({ 
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: context.payload.issue.number,
+              body: commentBody
+            });
+            try {
+              await github.rest.issues.addLabels({ ...context.repo, issue_number: issue.number, labels: ['job-application'] });
+            } catch (e) {
+              console.log('Could not add label:', e.message);
+            }
+
+  reopen-issue:
+    if: github.event_name == 'pull_request' && github.event.pull_request.merged == true
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Reopen linked issues and ask to proceed
+        uses: actions/github-script@v7
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const fs = require('fs');
+            const path = require('path');
+            const owner = context.repo.owner.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+            const repo = context.repo.repo.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+            const prBody = context.payload.pull_request.body || '';
+            const regex = new RegExp(
+              `(?:resolves|closes):?\\s*(?:#(\\d+)|https:\\/\\/github\\.com\\/${owner}\\/${repo}\\/issues\\/(\\d+))`,
+              'mi'
+            );
+
+            let remaining = prBody;
+            const matches = [];
+
+            while (true) {
+              const match = regex.exec(remaining);
+              if (!match) break;
+
+              matches.push(match);
+
+              // move forward in the string manually
+              remaining = remaining.slice(match.index + match[0].length);
+            }
+
+            // Extract the numbers and remove duplicates
+            const issueNumbers = [...new Set(matches.map(m => parseInt(m[1] || m[2], 10)))];
+
+            // use md file
+            const workspace = process.env.GITHUB_WORKSPACE;
+            const user = context.payload.pull_request.user.login
+            const commentBody = fs.readFileSync(path.join(workspace, '.github/workflows/application-merged-body.md'), 'utf8')
+              .replace('${user}', user);
+
+            for (const issue_number of issueNumbers) {
+              try {
+                // The actual command to reopen
+                await github.rest.issues.update({
+                  owner: context.repo.owner,
+                  repo: context.repo.repo,
+                  issue_number: issue_number,
+                  state: 'open'
+                });
+
+                await github.rest.issues.createComment({
+                  owner: context.repo.owner,
+                  repo: context.repo.repo,
+                  issue_number: issue_number,
+                  body: commentBody
+                 });
+              } catch (error) {
+                console.log(`Could not reopen issue #${issue_number}: ${error.message}`);
+              }
+            }

.github/workflows/application-follow-up-body.md

@@ -0,0 +1 @@
+Hi @${candidate} — thanks for applying! Please add your profile by opening a pull request that adds a JSON file with your profile under profile-submission.json. In your PR description include "resolves: #${issue_number}" or "closes: #${issue_number}" so we can link it to this application. Once your PR is merged we'll reopen this issue and ask you to proceed with the trial task.

.github/workflows/application-merged-body.md

@@ -0,0 +1 @@
+Hi @${user} — your profile PR was merged. Please proceed with the trial task via link: https://github.com/holdex/trial/issues?q=is%3Aissue%20state%3Aopen%20label%3Atrial-task