Cors/version (#270)

* Enable CORS for version information

* Enable CORS for version information

* Add middleware to version endpoint

* Refactor version into GQL

* tidy

Author: DylanTinianov

generated.go

@@ -11,7 +11,6 @@ require (
 	github.com/getsentry/sentry-go v0.13.0
 	github.com/go-chi/chi v3.3.2+incompatible
 	github.com/go-chi/httplog v0.2.5
-	github.com/go-chi/render v1.0.1
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da
 	github.com/google/uuid v1.3.0
 	github.com/gorilla/mux v1.8.0

go.mod

@@ -210,8 +210,6 @@ github.com/go-chi/chi/v5 v5.0.7 h1:rDTPXLDHGATaeHvVlLcR4Qe0zftYethFucbjVQ1PxU8=
 github.com/go-chi/chi/v5 v5.0.7/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
 github.com/go-chi/httplog v0.2.5 h1:S02eG9NTrB/9kk3Q3RA3F6CR2b+v8WzB8IxK+zq3dBo=
 github.com/go-chi/httplog v0.2.5/go.mod h1:/pIXuFSrOdc5heKIJRA5Q2mW7cZCI2RySqFZNFoZjKg=
-github.com/go-chi/render v1.0.1 h1:4/5tis2cKaNdnv9zFLfXzcquC9HbeZgCnxGnKrltBS8=
-github.com/go-chi/render v1.0.1/go.mod h1:pq4Rr7HbnsdaeHagklXub+p6Wd16Af5l9koip1OvJns=
 github.com/go-errors/errors v1.0.1 h1:LUHzmkK3GUKUrL/1gfBUxAHzcev3apQlezX/+O7ma6w=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=

go.sum

@@ -27,6 +27,7 @@ import (
 	"github.com/dapperlabs/flow-playground-api/controller"
 	userErr "github.com/dapperlabs/flow-playground-api/middleware/errors"
 	"github.com/dapperlabs/flow-playground-api/model"
+	"github.com/dapperlabs/flow-playground-api/server/version"
 	"github.com/dapperlabs/flow-playground-api/storage"
 	"github.com/google/uuid"
 	"github.com/onflow/cadence"
@@ -399,9 +400,15 @@ func (r *projectResolver) UpdatedAt(_ context.Context, proj *model.Project) (str
 type queryResolver struct{ *Resolver }
 
 func (r *queryResolver) PlaygroundInfo(_ context.Context) (*model.PlaygroundInfo, error) {
+	emulatorVer, err := version.GetDependencyVersion("github.com/onflow/flow-emulator")
+	if err != nil {
+		return nil, err
+	}
+
 	return &model.PlaygroundInfo{
-		APIVersion:     *r.version,
-		CadenceVersion: *semver.MustParse(cadence.Version),
+		APIVersion:      *r.version,
+		CadenceVersion:  *semver.MustParse(cadence.Version),
+		EmulatorVersion: *semver.MustParse(emulatorVer),
 	}, nil
 }
 

model/models_gen.go

@@ -5,6 +5,7 @@ scalar Version
 type PlaygroundInfo {
   apiVersion: Version!
   cadenceVersion: Version!
+  emulatorVersion: Version!
 }
 
 type Project {

resolver.go

@@ -23,7 +23,6 @@ import (
 	"fmt"
 	"github.com/dapperlabs/flow-playground-api/server/config"
 	"github.com/dapperlabs/flow-playground-api/server/ping"
-	"github.com/dapperlabs/flow-playground-api/server/version"
 	"github.com/dapperlabs/flow-playground-api/telemetry"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"go.opentelemetry.io/otel/sdk/trace"
@@ -179,14 +178,11 @@ func main() {
 				errors.Middleware(entry, localHub),
 			),
 		)
-
 	})
 
 	embedsHandler := controller.NewEmbedsHandler(store, conf.PlaygroundBaseURL)
 	router.Handle("/embed", embedsHandler)
 
-	router.HandleFunc("/version", version.Handler)
-
 	err := ping.SetPingHandlers(store.Ping)
 	if err != nil {
 		log.Fatal(err)

schema.graphql

@@ -20,54 +20,18 @@ package version
 
 import (
 	"errors"
-	"fmt"
-	"github.com/Masterminds/semver"
-	"github.com/dapperlabs/flow-playground-api/build"
-	"github.com/go-chi/render"
 	"github.com/icza/bitio"
-	"github.com/onflow/cadence"
-	"net/http"
 	"runtime/debug"
 )
 
-func Handler(w http.ResponseWriter, r *http.Request) {
-	version := struct {
-		API      string
-		Cadence  string
-		Emulator string
-	}{
-		API:      "n/a",
-		Cadence:  "n/a",
-		Emulator: "n/a",
-	}
-
-	apiVer := build.Version()
-	if apiVer != nil {
-		version.API = apiVer.String()
-	}
-
-	cadenceVer := semver.MustParse(cadence.Version)
-	if cadenceVer != nil {
-		version.Cadence = cadenceVer.String()
-	}
-
-	emulatorVer, err := getDependencyVersion("github.com/onflow/flow-emulator")
-	if err == nil {
-		version.Emulator = semver.MustParse(emulatorVer).String()
-	}
-
-	render.JSON(w, r, version)
-}
-
-func getDependencyVersion(path string) (string, error) {
+func GetDependencyVersion(path string) (string, error) {
 	_ = bitio.NewReader
 	bi, ok := debug.ReadBuildInfo()
 	if !ok {
 		return "", errors.New("failed to read build info")
 	}
 
 	for _, dep := range bi.Deps {
-		fmt.Printf("Dep: %+v\n", dep)
 		if dep.Path == path {
 			return dep.Version, nil
 		}