feat(server/reward): TG getChatMember 真校验 + ClaimTelegram + POST /tg/webhook

server/internal/reward/telegram_webhook_test.go

@@ -0,0 +1,53 @@
+package reward
+
+import (
+	"context"
+	"database/sql"
+	"testing"
+	"time"
+
+	"github.com/wangjia/pangolin/server/internal/codes"
+)
+
+type fakeChecker struct{ member bool }
+
+func (f fakeChecker) IsMember(_ context.Context, _, _ string) (bool, error) { return f.member, nil }
+
+func newTgSvc(t *testing.T, db *sql.DB, member bool) *Service {
+	g := codes.NewService(codes.NewStore(db), nil, 5, time.Hour)
+	s := NewService(db, NewStore(db), g, Config{TgDays: 3}, time.Now)
+	s.SetTelegram("bot", "@ch", "tok", "sec")
+	s.SetMemberChecker(fakeChecker{member: member})
+	return s
+}
+
+func TestClaimTelegram_MemberGrantsOnce(t *testing.T) {
+	db := openDB(t)
+	seedU(t, db, 1, "u1")
+	s := newTgSvc(t, db, true)
+	ok, err := s.ClaimTelegram(context.Background(), 1, "tg-777")
+	if err != nil || !ok {
+		t.Fatalf("claim1: %v %v", ok, err)
+	}
+	if d := proDays(t, db, 1); d < 3 {
+		t.Fatalf("pro days=%d", d)
+	}
+	// 再领 → 不再发(唯一守卫)
+	ok2, _ := s.ClaimTelegram(context.Background(), 1, "tg-777")
+	if ok2 {
+		t.Fatalf("claimed twice")
+	}
+}
+
+func TestClaimTelegram_NonMemberNoGrant(t *testing.T) {
+	db := openDB(t)
+	seedU(t, db, 1, "u1")
+	s := newTgSvc(t, db, false)
+	ok, _ := s.ClaimTelegram(context.Background(), 1, "tg-1")
+	if ok {
+		t.Fatalf("non-member granted")
+	}
+	if d := proDays(t, db, 1); d >= 3 {
+		t.Fatalf("granted days to non-member: %d", d)
+	}
+}