view models

apps/website/lib/view-models/PrizeViewModel.test.ts

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+import { describe, it, expect } from 'vitest';
+import { PrizeViewModel } from './PrizeViewModel';
+
+const createPrizeDto = (overrides: Partial<any> = {}): any => ({
+  id: 'prize-1',
+  leagueId: 'league-1',
+  seasonId: 'season-1',
+  position: 1,
+  name: 'Main Prize',
+  amount: 100,
+  type: 'cash',
+  description: 'Top prize',
+  awarded: false,
+  awardedTo: undefined,
+  awardedAt: undefined,
+  createdAt: new Date('2024-01-01T00:00:00Z'),
+  ...overrides,
+});
+
+describe('PrizeViewModel', () => {
+  it('maps DTO fields via Object.assign', () => {
+    const dto = createPrizeDto();
+
+    const vm = new PrizeViewModel(dto);
+
+    expect(vm.id).toBe('prize-1');
+    expect(vm.leagueId).toBe('league-1');
+    expect(vm.position).toBe(1);
+    expect(vm.amount).toBe(100);
+  });
+
+  it('formats amount as EUR currency string', () => {
+    const vm = new PrizeViewModel(createPrizeDto({ amount: 50.25 }));
+
+    expect(vm.formattedAmount).toBe('€50.25');
+  });
+
+  it('formats positionDisplay based on position', () => {
+    const first = new PrizeViewModel(createPrizeDto({ position: 1 }));
+    const second = new PrizeViewModel(createPrizeDto({ position: 2 }));
+    const third = new PrizeViewModel(createPrizeDto({ position: 3 }));
+    const other = new PrizeViewModel(createPrizeDto({ position: 4 }));
+
+    expect(first.positionDisplay).toBe('1st Place');
+    expect(second.positionDisplay).toBe('2nd Place');
+    expect(third.positionDisplay).toBe('3rd Place');
+    expect(other.positionDisplay).toBe('4th Place');
+  });
+
+  it('maps type to human readable typeDisplay', () => {
+    const cash = new PrizeViewModel(createPrizeDto({ type: 'cash' }));
+    const merchandise = new PrizeViewModel(createPrizeDto({ type: 'merchandise' }));
+    const other = new PrizeViewModel(createPrizeDto({ type: 'other' }));
+    const unknown = new PrizeViewModel(createPrizeDto({ type: 'custom' }));
+
+    expect(cash.typeDisplay).toBe('Cash Prize');
+    expect(merchandise.typeDisplay).toBe('Merchandise');
+    expect(other.typeDisplay).toBe('Other');
+    expect(unknown.typeDisplay).toBe('custom');
+  });
+
+  it('derives statusDisplay and statusColor from awarded flag', () => {
+    const available = new PrizeViewModel(createPrizeDto({ awarded: false }));
+    const awarded = new PrizeViewModel(createPrizeDto({ awarded: true }));
+
+    expect(available.statusDisplay).toBe('Available');
+    expect(available.statusColor).toBe('blue');
+    expect(awarded.statusDisplay).toBe('Awarded');
+    expect(awarded.statusColor).toBe('green');
+  });
+
+  it('builds prizeDescription from name and amount', () => {
+    const vm = new PrizeViewModel(createPrizeDto({ name: 'Bonus', amount: 25 }));
+
+    expect(vm.prizeDescription).toBe('Bonus - €25.00');
+  });
+
+  it('formats awardedAt and createdAt timestamps', () => {
+    const awardedAt = new Date('2024-01-02T00:00:00Z');
+    const vm = new PrizeViewModel(createPrizeDto({ awarded: true, awardedAt }));
+
+    expect(typeof vm.formattedAwardedAt).toBe('string');
+    expect(typeof vm.formattedCreatedAt).toBe('string');
+
+    const notAwarded = new PrizeViewModel(createPrizeDto({ awarded: false, awardedAt: undefined }));
+    expect(notAwarded.formattedAwardedAt).toBe('Not awarded');
+  });
+});