chore: add apps from go.sour.is/ev

cmd/ev/svc.es.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+	"context"
+
+	"go.sour.is/pkg/env"
+	"go.sour.is/pkg/lg"
+	"go.sour.is/pkg/service"
+	"go.uber.org/multierr"
+
+	"go.sour.is/ev"
+	diskstore "go.sour.is/ev/driver/disk-store"
+	memstore "go.sour.is/ev/driver/mem-store"
+	"go.sour.is/ev/driver/projecter"
+	resolvelinks "go.sour.is/ev/driver/resolve-links"
+	"go.sour.is/ev/driver/streamer"
+	"go.sour.is/ev/event"
+	gql_ev "go.sour.is/ev/gql"
+)
+
+var _ = apps.Register(10, func(ctx context.Context, svc *service.Harness) error {
+	ctx, span := lg.Span(ctx)
+	defer span.End()
+
+	// setup eventstore
+	err := multierr.Combine(
+		ev.Init(ctx),
+		event.Init(ctx),
+		diskstore.Init(ctx),
+		memstore.Init(ctx),
+	)
+	if err != nil {
+		span.RecordError(err)
+		return err
+	}
+
+	eventstore, err := ev.Open(
+		ctx,
+		env.Default("EV_DATA", "mem:"),
+		resolvelinks.New(),
+		streamer.New(ctx),
+		projecter.New(
+			ctx,
+			projecter.DefaultProjection,
+		),
+	)
+	if err != nil {
+		span.RecordError(err)
+		return err
+	}
+	svc.Add(eventstore, &gql_ev.EventStore{EventStore: eventstore})
+
+	return nil
+})