feat(server/codes): GrantRewardTx 复用 applySubscription 发奖励会员天数

server/internal/codes/reward_grant_sqlite_test.go

@@ -0,0 +1,48 @@
+package codes_test
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/wangjia/pangolin/server/internal/codes"
+)
+
+// 无活跃 pro 的新用户:GrantRewardTx 新建一行 source='invite',并写一条 audit_log。
+func TestGrantRewardTx_FreshUserCreatesInviteSub(t *testing.T) {
+	db := openMigratedSQLite(t)
+	seedUser(t, db, 7)
+	store := codes.NewStore(db)
+	svc := codes.NewService(store, nil, 5, time.Hour)
+	ctx := context.Background()
+
+	tx, err := store.BeginTx(ctx)
+	if err != nil {
+		t.Fatalf("BeginTx: %v", err)
+	}
+	subID, exp, err := svc.GrantRewardTx(ctx, tx, 7, 3, "invite", "invite_reward", "ref-1")
+	if err != nil {
+		t.Fatalf("grant: %v", err)
+	}
+	if err := tx.Commit(); err != nil {
+		t.Fatal(err)
+	}
+	if subID == 0 || exp.Before(time.Now()) {
+		t.Fatalf("bad sub %d exp %v", subID, exp)
+	}
+
+	var src string
+	if err := db.QueryRow(`SELECT source FROM subscriptions WHERE id=?`, subID).Scan(&src); err != nil {
+		t.Fatalf("query source: %v", err)
+	}
+	if src != "invite" {
+		t.Fatalf("source = %q, want invite", src)
+	}
+	var n int
+	if err := db.QueryRow(`SELECT COUNT(*) FROM audit_log WHERE action='invite_reward' AND target='ref-1'`).Scan(&n); err != nil {
+		t.Fatalf("query audit_log: %v", err)
+	}
+	if n != 1 {
+		t.Fatalf("audit rows = %d, want 1", n)
+	}
+}