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

cmd/ev/svc.gql.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"context"
+	"net/http"
+
+	"go.sour.is/pkg/gql/resolver"
+	"go.sour.is/pkg/lg"
+	"go.sour.is/pkg/mux"
+	"go.sour.is/pkg/service"
+	"go.sour.is/pkg/slice"
+	"go.sour.is/tools/app/gql"
+)
+
+var _ = apps.Register(90, func(ctx context.Context, svc *service.Harness) error {
+	ctx, span := lg.Span(ctx)
+	defer span.End()
+
+	span.AddEvent("Enable GraphQL")
+	gql, err := resolver.New(ctx, &gql.Resolver{}, slice.FilterType[resolver.IsResolver](svc.Services...)...)
+	if err != nil {
+		span.RecordError(err)
+		return err
+	}
+	gql.CheckOrigin = func(r *http.Request) bool {
+		switch r.Header.Get("Origin") {
+		case "https://ev.sour.is", "https://www.graphqlbin.com", "http://localhost:8080":
+			return true
+		default:
+			return false
+		}
+	}
+
+	svc.Add(gql)
+	svc.Add(mux.RegisterHTTP(func(mux *http.ServeMux) {
+		mux.Handle("/", http.RedirectHandler("/playground", http.StatusTemporaryRedirect))
+	}))
+
+	return nil
+})