chore(pr): run a action when pr

.github/workflows/danger.yml

@@ -0,0 +1,36 @@
+name: PR Summary
+on:
+  pull_request:
+    types: [opened, synchronize]
+
+permissions:
+  pull-requests: write
+  contents: read
+
+jobs:
+  danger:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.0'
+
+      - name: Install Danger
+        run: gem install danger
+
+      - name: Setup Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+
+      - name: Install Python dependencies
+        run: pip install flake8
+
+      - name: Run Danger
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: danger

Dangerfile

@@ -0,0 +1,49 @@
+modified_files = git.modified_files + git.added_files
+deleted_files = git.deleted_files
+
+total_lines_changed = git.lines_of_code
+
+summary = "### 🤖 PR Auto Summary\n"
+summary += "🚀 **Total affected files**: #{modified_files.count + deleted_files.count}\n"
+summary += "🆕 **New files**: #{git.added_files.count}\n"
+summary += "✏️ **Modified files**: #{git.modified_files.count}\n"
+summary += "🗑️ **Deleted files**: #{git.deleted_files.count}\n"
+summary += "📊 **Total lines changed**: #{total_lines_changed}\n"
+summary += "📂 **Key modified files**:\n"
+
+modified_files.first(5).each do |file|
+  summary += "  - `#{file}`\n"
+end
+
+unless deleted_files.empty?
+  summary += "🗂️ **Key deleted files**:\n"
+  deleted_files.first(5).each do |file|
+    summary += "  - `#{file}`\n"
+  end
+end
+
+warn("PR description is empty. Please provide a detailed explanation of the changes.") if github.pr_body.nil? || github.pr_body.strip.empty?
+
+source_branch = github.branch_for_head
+target_branch = github.branch_for_base
+
+warn("PR target branch is `#{target_branch}`. Ensure this PR follows the merge strategy!") if (target_branch == "main" || target_branch == "master") && !(source_branch == "dev" || source_branch == "develop")
+
+warn("PR is marked as Work in Progress (WIP).") if github.pr_title.include? "WIP"
+
+warn("Please add labels to this PR.") if github.pr_labels.empty?
+
+markdown(summary)
+
+python_files = (git.modified_files + git.added_files).select { |file| file.end_with?(".py") }
+
+unless python_files.empty?
+  flake8_result = `flake8 #{python_files.join(" ")}`
+  flake8_exit_status = $?.exitstatus
+
+  if flake8_exit_status != 0
+    fail("Flake8 code issues found:\n```\n#{flake8_result}\n```")
+  else
+    message("No Flake8 issues found!")
+  end
+end