feat: teacher overview classroom and status #284

Summary
Jobs
- test
Run details
- Workflow file

Workflow file for this run

.github/workflows/backend.yml at b3f1ac7

	name: Backend CI

	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	test:
	runs-on:
	group: NTNU Common Runners

	steps:
	- name: Check out repository
	uses: actions/checkout@v4

	- name: Set up Java 21
	uses: actions/setup-java@v4
	with:
	distribution: temurin
	java-version: '21'
	cache: gradle

	- name: Set up Gradle
	uses: gradle/actions/setup-gradle@v4

	- name: Check formatting
	run: ./gradlew spotlessCheck --no-daemon

	- name: Run backend tests with coverage
	run: ./gradlew test jacocoTestReport --no-daemon

	- name: Publish backend coverage summary
	run: \|
	python3 - <<'PY'
	import os
	import xml.etree.ElementTree as ET

	report_path = "build/reports/jacoco/test/jacocoTestReport.xml"
	tree = ET.parse(report_path)
	root = tree.getroot()

	wanted = ["INSTRUCTION", "BRANCH", "LINE", "METHOD", "CLASS"]
	rows = []

	for metric in wanted:
	counter = root.find(f"./counter[@type='{metric}']")
	if counter is None:
	raise SystemExit(f"Missing JaCoCo counter: {metric}")
	missed = int(counter.attrib["missed"])
	covered = int(counter.attrib["covered"])
	total = missed + covered
	pct = 0.0 if total == 0 else covered * 100.0 / total
	rows.append((metric.title(), pct))

	summary_path = os.environ["GITHUB_STEP_SUMMARY"]
	with open(summary_path, "a", encoding="utf-8") as f:
	f.write("## Backend coverage\n")
	f.write("\| Metric \| Coverage \|\n")
	f.write("\| --- \| --- \|\n")
	for name, pct in rows:
	f.write(f"\| {name} \| {pct:.1f}% \|\n")
	PY


	- name: Upload backend coverage report
	if: always()
	uses: actions/upload-artifact@v3
	with:
	name: backend-jacoco-report
	path: build/reports/jacoco/test
	if-no-files-found: ignore
	retention-days: 14