.Score, .SetHost, .SetPlayers

src/state/fsm/priceiswrong/events.go

@@ -9,8 +9,6 @@ import (
 
 func (p *PriceIsWrong) apply(e priceiswrong.Event) error {
 	switch e := e.(type) {
-	case *priceiswrong.Host:
-		p.Host = e.ID
 	case *priceiswrong.Players:
 		p.Contestants = p.Contestants[:0]
 		for _, id := range e.IDs {
@@ -19,6 +17,14 @@ func (p *PriceIsWrong) apply(e priceiswrong.Event) error {
 		if n := len(p.Contestants); n > 0 {
 			p.Host = p.Contestants[rand.Intn(n)].ID
 		}
+	case *priceiswrong.Host:
+		p.Host = e.ID
+	case *priceiswrong.Score:
+		for i := range p.Contestants {
+			if p.Contestants[i].ID == e.ID {
+				p.Contestants[i].Score += e.Score
+			}
+		}
 	}
 	return nil
 }
@@ -31,6 +37,10 @@ func (p *PriceIsWrong) SetHost(ctx context.Context, id int) error {
 	return p.upsertEvent(ctx, &priceiswrong.Host{ID: id})
 }
 
+func (p *PriceIsWrong) Score(ctx context.Context, id, score int) error {
+	return p.upsertEvent(ctx, &priceiswrong.Score{ID: id, Score: score})
+}
+
 func (p *PriceIsWrong) upsertEvent(ctx context.Context, e priceiswrong.Event) error {
 	if err := upsertEvent(ctx, p.id, e); err != nil {
 		return err

src/state/fsm/priceiswrong/internal/event.go

@@ -15,10 +15,16 @@ type Host struct {
 	ID int
 }
 
+type Score struct {
+	ID    int
+	Score int
+}
+
 func ParseEvent(b []byte) (Event, error) {
 	typesToPointers := map[string]any{
 		"*priceiswrong.Players": &Players{},
 		"*priceiswrong.Host":    &Host{},
+		"*priceiswrong.Score":   &Score{},
 	}
 	t, err := event.Parse(b, typesToPointers)
 	return typesToPointers[t], err

src/state/fsm/priceiswrong/open.go

@@ -15,7 +15,8 @@ type PriceIsWrong struct {
 }
 
 type Player struct {
-	ID int
+	ID    int
+	Score int
 }
 
 func Open(ctx context.Context, name string) (*PriceIsWrong, error) {

src/state/fsm/priceiswrong/priceiswrong_test.go

@@ -20,9 +20,23 @@ func TestPriceIsWrong(t *testing.T) {
 		t.Errorf("bad contestants: %+v", p.Contestants)
 	} else if p.Host < 4 || p.Host > 6 {
 		t.Errorf("bad host: %+v", p.Host)
-	} else if err := p.SetHost(ctx, 5); err != nil {
+	}
+
+	if err := p.SetHost(ctx, 5); err != nil {
 		t.Fatal(err)
 	} else if p.Host != 5 {
 		t.Errorf("bad host: %+v", p.Host)
 	}
+
+	if err := p.Score(ctx, 4, 9); err != nil {
+		t.Fatal(err)
+	} else if p.Contestants[0].Score != 9 {
+		t.Errorf("players changed order or didnt give 4 its points: %+v", p.Contestants)
+	} else if err := p.Score(ctx, 4, 9); err != nil {
+		t.Fatal(err)
+	} else if p.Contestants[0].Score != 18 {
+		t.Errorf("players changed order or didnt give 4 more points: %+v", p.Contestants)
+	} else if p.Contestants[1].Score != 0 {
+		t.Errorf("gave someone else points: %+v", p.Contestants)
+	}
 }