feat: inprogress
This commit is contained in:
Jon Lundy
62
app/gql/playground/playground.go
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62
app/gql/playground/playground.go
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@@ -0,0 +1,62 @@
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package playground
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import (
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"html/template"
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"net/http"
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)
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var page = template.Must(template.New("graphiql").Parse(`<!DOCTYPE html>
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<html>
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<head>
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<meta charset=utf-8/>
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<meta name="viewport" content="user-scalable=no, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, minimal-ui">
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<link rel="shortcut icon" href="https://graphcool-playground.netlify.com/favicon.png">
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/graphql-playground-react@{{ .version }}/build/static/css/index.css"
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integrity="{{ .cssSRI }}" crossorigin="anonymous"/>
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<link rel="shortcut icon" href="https://cdn.jsdelivr.net/npm/graphql-playground-react@{{ .version }}/build/favicon.png"
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integrity="{{ .faviconSRI }}" crossorigin="anonymous"/>
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<script src="https://cdn.jsdelivr.net/npm/graphql-playground-react@{{ .version }}/build/static/js/middleware.js"
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integrity="{{ .jsSRI }}" crossorigin="anonymous"></script>
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<title>{{.title}}</title>
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</head>
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<body>
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<style type="text/css">
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html { font-family: "Open Sans", sans-serif; overflow: hidden; }
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body { margin: 0; background: #172a3a; }
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</style>
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<div id="root"/>
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<script type="text/javascript">
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window.addEventListener('load', function (event) {
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const root = document.getElementById('root');
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root.classList.add('playgroundIn');
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const wsProto = location.protocol == 'https:' ? 'wss:' : 'ws:'
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GraphQLPlayground.init(root, {
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endpoint: location.protocol + '//' + location.host + '{{.endpoint}}',
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subscriptionsEndpoint: wsProto + '//' + location.host + '{{.endpoint }}',
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shareEnabled: true,
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settings: {
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'request.credentials': 'same-origin'
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}
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})
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})
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</script>
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</body>
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</html>
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`))
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func Handler(title string, endpoint string) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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w.Header().Add("Content-Type", "text/html")
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err := page.Execute(w, map[string]string{
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"title": title,
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"endpoint": endpoint,
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"version": "1.7.26",
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"cssSRI": "sha256-dKnNLEFwKSVFpkpjRWe+o/jQDM6n/JsvQ0J3l5Dk3fc=",
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"faviconSRI": "sha256-GhTyE+McTU79R4+pRO6ih+4TfsTOrpPwD8ReKFzb3PM=",
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"jsSRI": "sha256-SG9YAy4eywTcLckwij7V4oSCG3hOdV1m+2e1XuNxIgk=",
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})
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if err != nil {
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panic(err)
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}
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}
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}
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123
app/gql/resolver.go
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123
app/gql/resolver.go
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@@ -0,0 +1,123 @@
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package gql
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import (
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"context"
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"fmt"
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"net/http"
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"os"
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"reflect"
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"runtime/debug"
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"github.com/99designs/gqlgen/graphql/handler"
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"github.com/ravilushqa/otelgqlgen"
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"github.com/sour-is/ev/app/gql/playground"
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"github.com/sour-is/ev/app/msgbus"
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"github.com/sour-is/ev/app/salty"
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"github.com/sour-is/ev/internal/graph/generated"
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"github.com/sour-is/ev/internal/logz"
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"github.com/sour-is/ev/pkg/gql"
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"github.com/vektah/gqlparser/v2/gqlerror"
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)
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type Resolver struct {
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msgbus.MsgbusResolver
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salty.SaltyResolver
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}
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func New(ctx context.Context, resolvers ...interface{ RegisterHTTP(*http.ServeMux) }) (*Resolver, error) {
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_, span := logz.Span(ctx)
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defer span.End()
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r := &Resolver{}
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v := reflect.ValueOf(r)
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v = reflect.Indirect(v)
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noop := reflect.ValueOf(&noop{})
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outer:
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for _, idx := range reflect.VisibleFields(v.Type()) {
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field := v.FieldByIndex(idx.Index)
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for i := range resolvers {
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rs := reflect.ValueOf(resolvers[i])
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if field.IsNil() && rs.Type().Implements(field.Type()) {
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span.AddEvent(fmt.Sprint("found ", field.Type().Name()))
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field.Set(rs)
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break outer
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}
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}
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span.AddEvent(fmt.Sprint("default ", field.Type().Name()))
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field.Set(noop)
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}
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return r, nil
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}
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// Query returns generated.QueryResolver implementation.
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func (r *Resolver) Query() generated.QueryResolver { return r }
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// Query returns generated.QueryResolver implementation.
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func (r *Resolver) Mutation() generated.MutationResolver { return r }
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// Subscription returns generated.SubscriptionResolver implementation.
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func (r *Resolver) Subscription() generated.SubscriptionResolver { return r }
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// ChainMiddlewares will check all embeded resolvers for a GetMiddleware func and add to handler.
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func (r *Resolver) ChainMiddlewares(h http.Handler) http.Handler {
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v := reflect.ValueOf(r) // Get reflected value of *Resolver
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v = reflect.Indirect(v) // Get the pointed value (returns a zero value on nil)
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n := v.NumField() // Get number of fields to iterate over.
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for i := 0; i < n; i++ {
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f := v.Field(i)
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if !f.CanInterface() { // Skip non-interface types.
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continue
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}
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if iface, ok := f.Interface().(interface {
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GetMiddleware() func(http.Handler) http.Handler
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}); ok {
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h = iface.GetMiddleware()(h) // Append only items that fulfill the interface.
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}
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}
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return h
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}
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func (r *Resolver) RegisterHTTP(mux *http.ServeMux) {
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gql := handler.NewDefaultServer(generated.NewExecutableSchema(generated.Config{Resolvers: r}))
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gql.SetRecoverFunc(NoopRecover)
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gql.Use(otelgqlgen.Middleware())
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mux.Handle("/", playground.Handler("GraphQL playground", "/gql"))
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mux.Handle("/gql", logz.Htrace(r.ChainMiddlewares(gql), "gql"))
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}
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type noop struct{}
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func NoopRecover(ctx context.Context, err interface{}) error {
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if err, ok := err.(string); ok && err == "not implemented" {
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return gqlerror.Errorf("not implemented")
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}
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fmt.Fprintln(os.Stderr, err)
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fmt.Fprintln(os.Stderr)
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debug.PrintStack()
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return gqlerror.Errorf("internal system error")
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}
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var _ msgbus.MsgbusResolver = (*noop)(nil)
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var _ salty.SaltyResolver = (*noop)(nil)
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func (*noop) CreateSaltyUser(ctx context.Context, nick string, pubkey string) (*salty.SaltyUser, error) {
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panic("not implemented")
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}
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func (*noop) Posts(ctx context.Context, streamID string, paging *gql.PageInput) (*gql.Connection, error) {
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panic("not implemented")
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}
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func (*noop) SaltyUser(ctx context.Context, nick string) (*salty.SaltyUser, error) {
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panic("not implemented")
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}
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func (*noop) PostAdded(ctx context.Context, streamID string, after int64) (<-chan *msgbus.PostEvent, error) {
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panic("not implemented")
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}
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func (*noop) RegisterHTTP(*http.ServeMux) {}
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