Invite and remove track coauthors from the library songs list

web-player/src/lib/data/coauthors.test.ts

@@ -0,0 +1,27 @@
+import { describe, expect, it } from 'vitest';
+import { inviteCandidates } from '$lib/data/coauthors';
+
+const user = (id: string) => ({ id, name: `User ${id}`, profilePictureUrl: null });
+
+describe('inviteCandidates', () => {
+	it('hides the owner, selected users and users with an active invitation', () => {
+		const result = inviteCandidates([user('owner'), user('a'), user('b'), user('c'), user('d')], {
+			ownerId: 'owner',
+			selectedIds: ['a'],
+			invites: [
+				{ userId: 'b', name: 'B', status: 'Pending' },
+				{ userId: 'c', name: 'C', status: 'Accepted' }
+			]
+		});
+		expect(result.map((item) => item.id)).toEqual(['d']);
+	});
+
+	it('keeps users who rejected so they can be invited again', () => {
+		const result = inviteCandidates([user('a')], {
+			ownerId: null,
+			selectedIds: [],
+			invites: [{ userId: 'a', name: 'A', status: 'Rejected' }]
+		});
+		expect(result.map((item) => item.id)).toEqual(['a']);
+	});
+});

web-player/src/lib/data/coauthors.ts

@@ -0,0 +1,30 @@
+import type { CoauthorInvite, CoauthorStatus } from '$lib/types';
+import type { TrackTone } from '$lib/data/libraryTracks';
+
+export interface UserOption {
+	id: string;
+	name: string;
+	profilePictureUrl: string | null;
+}
+
+export const COAUTHOR_STATUS: Record<CoauthorStatus, { label: string; tone: TrackTone }> = {
+	Pending: { label: 'Pendiente', tone: 'neutral' },
+	Accepted: { label: 'Aceptado', tone: 'success' },
+	Rejected: { label: 'Rechazado', tone: 'danger' }
+};
+
+export function inviteCandidates(
+	results: UserOption[],
+	{
+		ownerId,
+		selectedIds,
+		invites
+	}: { ownerId: string | null; selectedIds: string[]; invites: CoauthorInvite[] }
+): UserOption[] {
+	const blocked = new Set([
+		...selectedIds,
+		...invites.filter((invite) => invite.status !== 'Rejected').map((invite) => invite.userId)
+	]);
+	if (ownerId) blocked.add(ownerId);
+	return results.filter((user) => !blocked.has(user.id));
+}