Merge pull request #115 from CloudNativeLinz/feature/event-calendar

Adding a calendar file to subscribe to

Author: jetzlstorfer

.devcontainer/Dockerfile

@@ -9,8 +9,8 @@ ARG NODE_VERSION="none"
 RUN if [ "${NODE_VERSION}" != "none" ]; then su vscode -c "umask 0002 && . /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"; fi
 
 # [Optional] Uncomment this section to install additional OS packages.
-# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
-#     && apt-get -y install --no-install-recommends <your-package-list-here>
+RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+    && apt-get -y install --no-install-recommends python3-venv python3-pip
 
 # [Optional] Uncomment this line to install global node packages.
 # RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1

.devcontainer/devcontainer.json

@@ -13,6 +13,11 @@
 		}	
 	},
 
+	// Features to add to the dev container. More info: https://containers.dev/features.
+	"features": {
+		"ghcr.io/devcontainers/features/github-cli:1": {}
+	},
+
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.
 	"forwardPorts": [
 		// Jekyll server

.github/workflows/generate-calendar.yml

@@ -0,0 +1,36 @@
+name: Generate Calendar
+
+on:
+  push:
+    paths:
+      - '_data/events.yml'
+  workflow_dispatch:  # Allow manual triggering
+
+jobs:
+  generate-calendar:
+    runs-on: ubuntu-latest
+    
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+      
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.9'
+        
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt
+        
+    - name: Generate calendar
+      run: python generate_calendar.py
+      
+    - name: Commit and push if changed
+      run: |
+        git config --local user.email "[email protected]"
+        git config --local user.name "GitHub Action"
+        git add calendar.ics
+        git diff --staged --quiet || git commit -m "Update calendar.ics"
+        git push

.gitignore

@@ -12,3 +12,7 @@ package.json
 .jekyll-cache
 /vendor/
 vendor/
+
+# ignore the python virtual environment
+.venv/
+__pycache__/

calendar.ics

@@ -0,0 +1,64 @@
+import yaml
+import hashlib
+from datetime import datetime
+from icalendar import Calendar, Event
+import pytz
+
+# ---- SETTINGS ----
+TIMEZONE = "Europe/Berlin"  # Change to your time zone, e.g. "America/New_York"
+
+# Load YAML
+with open("_data/events.yml", "r") as f:
+    data = yaml.safe_load(f)
+
+# Prepare calendar
+cal = Calendar()
+cal.add("prodid", "-//My GitHub Calendar//EN")
+cal.add("version", "2.0")
+
+tz = pytz.timezone(TIMEZONE)
+
+for ev in data:
+    event = Event()
+
+    # Parse date and assume meetup is from 18:00 to 20:00
+    event_date = datetime.strptime(ev["date"], "%Y-%m-%d")
+    start_dt = tz.localize(event_date.replace(hour=18, minute=0))
+    end_dt = tz.localize(event_date.replace(hour=21, minute=0))
+
+    event.add("summary", ev["title"])
+    event.add("dtstart", start_dt)
+    event.add("dtend", end_dt)
+    
+    # Add location information with enhanced mapping
+    location = ev.get('host', 'TBA')
+    if location and location.lower() != 'online':
+        event.add("location", location)
+    elif location and location.lower() == 'online':
+        event.add("location", "Online Event")
+
+    # Add the event link as URL
+    if 'event_link' in ev:
+        event.add("url", ev['event_link'])
+
+    # Create description from talks if available
+    description = f"Host: {ev.get('host', 'TBA')}\n"
+    if 'talks' in ev and ev['talks']:
+        description += "Talks:\n"
+        for talk in ev['talks']:
+            description += f"- {talk['title']} by {talk['speaker']}\n"
+    if 'event_link' in ev:
+        description += f"\nEvent link (RSVP): {ev['event_link']}"
+
+    event.add("description", description)
+
+    # Create stable UID by hashing title + date
+    uid_base = f"{ev['id']}"
+    uid_hash = hashlib.md5(uid_base.encode("utf-8")).hexdigest()
+    event.add("uid", f"{uid_hash}@cncflinz.at")
+
+    cal.add_component(event)
+
+# Save ICS
+with open("calendar.ics", "wb") as f:
+    f.write(cal.to_ical())

generate_calendar.py

@@ -35,4 +35,20 @@ install:
 	@bundle install
 	@bundle exec jekyll build
 
-.PHONY: all serve serve-livereload serve-windows
+# Generate calendar.ics from events data
+calendar: setup-python
+	@echo "Generating calendar.ics from events data..."
+	@./.venv/bin/python generate_calendar.py
+	@echo "Calendar generated successfully!"
+
+# Setup Python environment for calendar generation
+setup-python:
+	@if [ ! -d ".venv" ]; then \
+		echo "Setting up Python environment..."; \
+		python3 -m venv .venv --upgrade-deps; \
+		.venv/bin/pip install -r requirements.txt; \
+		echo "Python environment ready!"; \
+	fi
+
+.PHONY: all serve serve-livereload serve-windows calendar setup-python
+

makefile

@@ -0,0 +1,3 @@
+PyYAML
+icalendar
+pytz