Feature/SK-1261 | Split Learning in FEDn #436

	name: "PR Size Labeler"

	on:
	pull_request:
	types: [opened, synchronize, reopened]

	jobs:
	label:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v3

	- name: Get PR Size
	id: get_pr_size
	run: \|
	CHANGED_FILES=$(jq '.pull_request.changed_files' $GITHUB_EVENT_PATH)
	ADDITIONS=$(jq '.pull_request.additions' $GITHUB_EVENT_PATH)
	DELETIONS=$(jq '.pull_request.deletions' $GITHUB_EVENT_PATH)
	echo "CHANGED_FILES=$CHANGED_FILES" >> $GITHUB_ENV
	echo "ADDITIONS=$ADDITIONS" >> $GITHUB_ENV
	echo "DELETIONS=$DELETIONS" >> $GITHUB_ENV

	# OBS that we are cuurently not on a stable version, thus major is disabled for now
	- name: Apply Labels Based on Size
	if: ${{ github.event.pull_request.changed_files != '' }}
	run: \|
	PATCH_THRESHOLD=10
	MINOR_THRESHOLD=500
	MAJOR_THRESHOLD=1000

	TOTAL_CHANGES=$(($ADDITIONS + $DELETIONS))

	echo "Total changes: $TOTAL_CHANGES"

	if [ "$TOTAL_CHANGES" -le "$PATCH_THRESHOLD" ]; then
	LABEL="patch"
	elif [ "$TOTAL_CHANGES" -le "$MINOR_THRESHOLD" ]; then
	LABEL="minor"
	else
	LABEL="minor"
	fi

	echo "Applying label: $LABEL"

	curl -s -X POST -H "Authorization: token $GITHUB_TOKEN" \
	-H "Accept: application/vnd.github.v3+json" \
	https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/labels \
	-d "{\"labels\":[\"$LABEL\"]}"

	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	ADDITIONS: ${{ env.ADDITIONS }}
	DELETIONS: ${{ env.DELETIONS }}

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