series overview added

internal/db/migrations/20260315140000_add_playoff_series_schedules.go

@@ -0,0 +1,58 @@
+package migrations
+
+import (
+	"context"
+
+	"git.haelnorr.com/h/oslstats/internal/db"
+	"github.com/uptrace/bun"
+)
+
+func init() {
+	Migrations.MustRegister(
+		// UP migration
+		func(ctx context.Context, conn *bun.DB) error {
+			_, err := conn.NewCreateTable().
+				Model((*db.PlayoffSeriesSchedule)(nil)).
+				IfNotExists().
+				ForeignKey(`("series_id") REFERENCES "playoff_series" ("id") ON DELETE CASCADE`).
+				ForeignKey(`("proposed_by_team_id") REFERENCES "teams" ("id")`).
+				ForeignKey(`("accepted_by_team_id") REFERENCES "teams" ("id")`).
+				Exec(ctx)
+			if err != nil {
+				return err
+			}
+
+			// Create index on series_id for faster lookups
+			_, err = conn.NewCreateIndex().
+				Model((*db.PlayoffSeriesSchedule)(nil)).
+				Index("idx_playoff_series_schedules_series_id").
+				Column("series_id").
+				IfNotExists().
+				Exec(ctx)
+			if err != nil {
+				return err
+			}
+
+			// Create index on status for filtering
+			_, err = conn.NewCreateIndex().
+				Model((*db.PlayoffSeriesSchedule)(nil)).
+				Index("idx_playoff_series_schedules_status").
+				Column("status").
+				IfNotExists().
+				Exec(ctx)
+			if err != nil {
+				return err
+			}
+
+			return nil
+		},
+		// DOWN migration
+		func(ctx context.Context, conn *bun.DB) error {
+			_, err := conn.NewDropTable().
+				Model((*db.PlayoffSeriesSchedule)(nil)).
+				IfExists().
+				Exec(ctx)
+			return err
+		},
+	)
+}