From 5a361f3d44580f307fa2d01deae78b6ce4fd2b59 Mon Sep 17 00:00:00 2001
From: Fabien Arcellier <fabien.arcellier@gmail.com>
Date: Tue, 24 Sep 2024 16:49:41 +0200
Subject: [PATCH] feat: configure slack notification on documentation change

---
 .github/workflows/doc-notify.yml |  29 +++++++
 alfred/github.py                 | 129 +++++++++++++++++++++++++++++++
 2 files changed, 158 insertions(+)
 create mode 100644 .github/workflows/doc-notify.yml
 create mode 100644 alfred/github.py

diff --git a/.github/workflows/doc-notify.yml b/.github/workflows/doc-notify.yml
new file mode 100644
index 000000000..1ab3ef261
--- /dev/null
+++ b/.github/workflows/doc-notify.yml
@@ -0,0 +1,29 @@
+name: ci
+
+on:
+  pull_request:
+    types: [closed]
+    branches:
+      - dev
+
+jobs:
+  notify:
+    if: github.event.pull_request.merged == true
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install poetry
+        run: pipx install poetry
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          cache: 'poetry'
+
+      - name: install python3 environment
+        run: poetry install --with build
+
+      - name: notify slack channel
+        run: poetry run alfred github.notify-changes-doc --slack-webhook ${{ secrets.SLACK_WEBHOOK_DOC }}
+
diff --git a/alfred/github.py b/alfred/github.py
new file mode 100644
index 000000000..c8389698a
--- /dev/null
+++ b/alfred/github.py
@@ -0,0 +1,129 @@
+import json
+import logging
+from typing import List, Tuple, Any
+
+import alfred
+import requests
+
+
+@alfred.command("github.notify-changes-doc")
+@alfred.option("--remote", default="origin")
+@alfred.option("--branch", default="dev")
+@alfred.option("--commit", default="HEAD")
+@alfred.option("--dry", is_flag=True)
+@alfred.option("--slack-webhook", default=None)
+def notify_doc_changes(remote: str, branch: str, commit: str, dry: bool, slack_webhook: str = None):
+    logger = logging.getLogger("alfred")
+    logger.info(f"remote: {remote}, branch: {branch}, commit: {commit}, dry: {dry}")
+    sections = {
+        'components': [
+            'src/components/core/content',
+            'src/components/core/embed',
+            'src/components/core/input',
+            'src/components/core/layout',
+            'src/components/core/other',
+            'src/components/core/root',
+        ],
+        'documentation': [
+            'docs/framework',
+        ],
+    }
+
+    if commit == "HEAD":
+        _, stdout, _ = alfred.run("git rev-parse HEAD")
+        commit = stdout.strip()
+
+    all_change_types = ['A', 'M', 'D']
+
+    file_changes: List[Tuple[str, str]] = []
+    component_added: List[Tuple[str, str]] = []
+    documentation_changes: List[Tuple[str, str]] = []
+    alfred.run(f"git fetch {remote} {branch}")
+
+    for change in all_change_types:
+        _, stdout, _ = alfred.run(f"git diff --name-only --diff-filter={change} {commit}^ {commit}")
+        file_changes += [(f, change) for f in stdout.splitlines() if f.strip() != ""]
+
+    file_changes = sorted(file_changes, key=lambda x: x[0])
+    for change in all_change_types:
+        for f in [f for f, _change in file_changes if _change == change]:
+            for path in sections['documentation']:
+                if f.startswith(path):
+                    documentation_changes.append((f, change))
+
+    for change in ['A']:
+        for f in [f for f, _change in file_changes if _change == change]:
+            for path in sections['components']:
+                if f.startswith(path):
+                    component_added.append((f, 'A'))
+
+    if dry is not None:
+        message_documentations = _build_slack_message_documentation(documentation_changes, commit)
+        if len(message_documentations) > 0:
+            msg = {}
+            msg['blocks'] = []
+            msg['blocks'] += message_documentations
+            response = requests.post(
+                slack_webhook, data=json.dumps(msg),
+                headers={'Content-Type': 'application/json'}
+            )
+
+            if response.status_code == 200:
+                print('Message sent successfully')
+            else:
+                print(f'Failed to send message. Error code : {response.status_code}')
+    else:
+        print(json.dumps(documentation_changes, indent=2))
+
+
+def _build_slack_message_documentation(changes: List[Tuple[str, str]], commit: str) -> List[Any]:
+    if len(changes) == 0:
+        return []
+
+    message: List[Any] = []
+    message.append({
+        "type": "section",
+        "text": {
+            "type": "plain_text",
+            "text": "Writer framework | Documentation changes",
+        }
+    })
+
+    workflows = [
+        ('A', 'added page', 'Open'),
+        ('M', 'modified page', 'Compare'),
+        ('D', 'deleted page', 'Open'),
+    ]
+
+    for workflow in workflows:
+        changes_modified = [f for f, change in changes if change == workflow[0]]
+        if len(changes_modified) > 0:
+            message.append({
+                "type": "context",
+                "elements": [
+                    {
+                        "type": "mrkdwn",
+                        "text": workflow[1]
+                    }
+                ]
+            })
+
+            for file in changes_modified:
+                message.append({
+                    "type": "section",
+                    "text": {
+                        "type": "mrkdwn",
+                        "text": f"`{file}`"
+                    },
+                    "accessory": {
+                        "type": "button",
+                        "text": {
+                            "type": "plain_text",
+                            "text": workflow[2],
+                        },
+                        "url": f"https://github.com/writer/writer-framework/commit/{commit}/{file}",
+                    }
+                })
+
+    return message
+