Validate Event Sources #44

	name: Validate Event Sources

	on:
	workflow_dispatch:
	schedule:
	- cron: '0 9 * * *' # 9am UTC daily

	jobs:
	validate-events:
	runs-on: ubuntu-latest
	defaults:
	run:
	working-directory: backend/scripts
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.11'

	- name: Cache pip
	uses: actions/cache@v4
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('backend/requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-

	- name: Install dependencies
	run: \|
	pip install --prefer-binary -r ../requirements.txt

	- name: Create logs directory
	run: mkdir -p logs

	- name: Purge old IgnoredPost rows
	run: \|
	python purge_old_ignored_posts.py

	- name: Run validation script
	run: \|
	python validate_event_sources.py --school "University of Waterloo" --workers 10 2>&1 \| tee logs/validation.log
	continue-on-error: false

	- name: Upload logs as artifacts
	if: always()
	uses: actions/upload-artifact@v4
	with:
	name: validation-logs-${{ github.run_number }}
	path: \|
	logs/
	*.log
	retention-days: 30

	- name: Check for deleted events
	if: always()
	run: \|
	if grep -q "Events deleted:" logs/validation.log; then
	DELETED=$(grep "Events deleted:" logs/validation.log \| awk '{print $NF}')
	echo "::notice::Deleted $DELETED invalid events"
	fi

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