Refactor error handling in CustomDjangoCache #945

	name: Add new contributor to AUTHORS.md
	on:
	pull_request:
	types: [opened]

	jobs:
	check_contributor_exists:
	runs-on: ubuntu-latest

	outputs:
	is_contributor_in_file: ${{ steps.check_contributor_step.outputs.exists }}

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	sparse-checkout: .

	- name: Check if contributor already exists
	id: check_contributor_step
	run: \|
	exists=$(grep -c -F "${{ github.event.pull_request.user.login }}" AUTHORS.md \|\| true)
	if [[ $exists -gt 0 ]]; then
	echo "exists=true" >> "$GITHUB_OUTPUT"
	else
	echo "exists=false" >> "$GITHUB_OUTPUT"
	fi

	add_contributor:
	runs-on: ubuntu-latest
	needs: check_contributor_exists

	if: needs.check_contributor_exists.outputs.is_contributor_in_file == 'false'

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	ref: ${{ github.head_ref }}

	- name: Get contributor's full name and append to AUTHORS.md file
	run: \|
	username=${{ github.event.pull_request.user.login }}
	full_name=$(curl -s -H "Authorization: token $GITHUB_TOKEN" "https://api.github.com/users/$username" \| jq -r '.name')
	if [[ "$full_name" == "" \|\| "$full_name" == "null" ]]; then
	full_name='-'
	fi
	echo "\| $full_name \| $username \|" >> AUTHORS.md

	- name: Commit and push changes to the contributor's PR branch
	run: \|
	git config --global user.name 'github-actions[bot]'
	git config --global user.email 'github-actions[bot]@users.noreply.github.com'
	git add AUTHORS.md
	git commit -m "Add ${{ github.event.pull_request.user.login }} to AUTHORS.md"
	git push origin ${{ github.head_ref }}

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