Overlay Gitea contributions on btop commit graph

src/lib/server/gitea.ts

@@ -0,0 +1,38 @@
+const timeZone = 'America/New_York';
+
+interface HeatmapEntry {
+	timestamp: number;
+	contributions: number;
+}
+
+export interface GiteaProfile {
+	baseUrl: string;
+	username: string;
+	profileUrl: string;
+}
+
+export function parseGiteaProfile(profileUrl: string | undefined): GiteaProfile | null {
+	if (!profileUrl) return null;
+	const url = new URL(profileUrl);
+	const username = url.pathname.split('/').filter(Boolean)[0];
+	return username ? { baseUrl: url.origin, username, profileUrl } : null;
+}
+
+function easternDate(timestampSeconds: number): string {
+	return new Intl.DateTimeFormat('en-CA', { timeZone, year: 'numeric', month: '2-digit', day: '2-digit' }).format(
+		new Date(timestampSeconds * 1000)
+	);
+}
+
+export async function fetchGiteaDailyCounts({ baseUrl, username }: GiteaProfile): Promise<Map<string, number>> {
+	const response = await fetch(`${baseUrl}/api/v1/users/${username}/heatmap`, { headers: { Accept: 'application/json' } });
+	if (!response.ok) throw new Error(`Gitea heatmap returned ${response.status}`);
+
+	const entries: HeatmapEntry[] = await response.json();
+	const dailyCounts = new Map<string, number>();
+	for (const { timestamp, contributions } of entries) {
+		const date = easternDate(timestamp);
+		dailyCounts.set(date, (dailyCounts.get(date) ?? 0) + contributions);
+	}
+	return dailyCounts;
+}