feat: actions for toc of discussions

.github/scripts/toc.py

@@ -0,0 +1,52 @@
+import os
+import requests
+
+# GitHub GraphQL API endpoint
+graphql_url = 'https://api.github.com/graphql'
+
+# Get necessary information from the environment
+username = os.environ['GITHUB_REPOSITORY'].split("/")[0]
+# repo is like USERNAME/REPO_NAME
+repo = os.environ['GITHUB_REPOSITORY'].split("/")[1]
+
+# GraphQL query to get the title of the latest discussion
+graphql_query = """
+query {
+  repository(owner: "%(username)s", name: "%(repo)s") {
+    discussions(first: 1, orderBy: { field: CREATED_AT, direction: DESC }) {
+      nodes {
+        title
+        number
+      }
+    }
+  }
+}
+""" % {"username": username, "repo": repo}
+
+# Fetch discussion details
+headers = {
+    "Authorization": f"Bearer {os.environ['GH_TOKEN']}",
+    'Content-Type': 'application/json',
+}
+
+# Make the GraphQL request
+response = requests.post(graphql_url, headers=headers, json={'query': graphql_query})
+discussion_data = response.json()
+
+# Check for a successful response
+if response.status_code == 200:
+    data = response.json()
+    discussion_title = data['data']['repository']['discussions']['nodes'][0]['title']
+    discussion_number = data['data']['repository']['discussions']['nodes'][0]['number']
+    discussion_url = f"https://github.com/{username}/{repo}/discussions/{discussion_number}"
+    # Update README.md
+    readme_path = "README.md"
+    with open(readme_path, "a") as readme_file:
+        readme_file.write(f"\n- [{discussion_title}]({discussion_url})\n")
+    # Commit and push changes
+    os.system("git add README.md")
+    os.system("git commit -m \"Update README with latest discussion title\"")
+    os.system("git push origin master")
+else:
+    print(f"GraphQL request failed with status code {response.status_code}: {response.text}")
+    exit(-1)

.github/workflows/toc.yaml

@@ -0,0 +1,29 @@
+name: toc of discussions
+on:
+  discussion:
+    types:
+      - created
+
+jobs:
+  update-readme:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.x"
+
+      - name: Install Dependencies
+        run: |
+          pip install requests
+
+      - name: Update README
+        run: python .github/scripts/toc.py
+        env:
+          GH_TOKEN: ${{ secrets.GH_TOKEN }}
+          GITHUB_REPOSITORY_OWNER: ${{ github.repository_owner }}
+          GITHUB_REPOSITORY: ${{ github.repository }}

README.md

@@ -2,3 +2,5 @@
 对 [skyleaworlder](https://github.com/skyleaworlder) 的 [paper-reading](https://github.com/skyleaworlder/paper-reading) 的拙劣模仿。
 
 阅读的内容并不仅限于论文。Blog posts, talks 和问答网站里的回答都行。
+
+## TOC