impl .Guess and clearing .Guess

src/state/fsm/priceiswrong/events.go

@@ -27,9 +27,18 @@ func (p *PriceIsWrong) apply(e priceiswrong.Event) error {
 			}
 		}
 	case *priceiswrong.Item:
+		for i := range p.Contestants {
+			p.Contestants[i].Guess = ""
+		}
 		p.Item.ImageURL = e.ImageURL
 		p.Item.Title = html.EscapeString(e.Title)
 		p.Item.Description = html.EscapeString(e.Description)
+	case *priceiswrong.Guess:
+		for i := range p.Contestants {
+			if p.Contestants[i].ID == e.ID {
+				p.Contestants[i].Guess = e.Guess
+			}
+		}
 	}
 	return nil
 }
@@ -54,6 +63,14 @@ func (p *PriceIsWrong) SetItem(ctx context.Context, imageURL, title, description
 	})
 }
 
+func (p *PriceIsWrong) Guess(ctx context.Context, id int, guess string) error {
+	return p.upsertEvent(ctx, &priceiswrong.Guess{
+		ID:    id,
+		Guess: guess,
+	})
+
+}
+
 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

@@ -26,12 +26,18 @@ type Item struct {
 	Description string
 }
 
+type Guess struct {
+	ID    int
+	Guess string
+}
+
 func ParseEvent(b []byte) (Event, error) {
 	typesToPointers := map[string]any{
 		"*priceiswrong.Players": &Players{},
 		"*priceiswrong.Host":    &Host{},
 		"*priceiswrong.Score":   &Score{},
 		"*priceiswrong.Item":    &Item{},
+		"*priceiswrong.Guess":   &Guess{},
 	}
 	t, err := event.Parse(b, typesToPointers)
 	return typesToPointers[t], err

src/state/fsm/priceiswrong/open.go

@@ -18,6 +18,7 @@ type PriceIsWrong struct {
 type Player struct {
 	ID    int
 	Score int
+	Guess string
 }
 
 func Open(ctx context.Context, name string) (*PriceIsWrong, error) {

src/state/fsm/priceiswrong/priceiswrong_test.go

@@ -40,8 +40,16 @@ func TestPriceIsWrong(t *testing.T) {
 		t.Errorf("gave someone else points: %+v", p.Contestants)
 	}
 
+	if err := p.Guess(ctx, 4, "guess"); err != nil {
+		t.Fatal(err)
+	} else if p.Contestants[0].Guess != "guess" {
+		t.Errorf("guess didnt persist: %+v", p.Contestants)
+	}
+
 	if err := p.SetItem(ctx, "a", "b", "c"); err != nil {
 		t.Fatal(err)
+	} else if p.Contestants[0].Guess != "" {
+		t.Errorf("set item didnt clear guesses")
 	} else if err := p.SetItem(ctx, "imageURL", "title", "description"); err != nil {
 		t.Fatal(err)
 	} else if p.Item.ImageURL != "imageURL" {