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|
{{- range $object := .Objects }}{{- range $field := $object.Fields }}
{{- if $object.Stream }}
func (ec *executionContext) _{{$object.Name}}_{{$field.Name}}(ctx context.Context, field graphql.CollectedField) func() graphql.Marshaler {
ctx = graphql.WithResolverContext(ctx, &graphql.ResolverContext{
Field: field,
Args: nil,
})
{{- if $field.Args }}
rawArgs := field.ArgumentMap(ec.Variables)
args, err := ec.{{ $field.ArgsFunc }}(ctx,rawArgs)
if err != nil {
ec.Error(ctx, err)
return nil
}
{{- end }}
// FIXME: subscriptions are missing request middleware stack https://github.com/99designs/gqlgen/issues/259
// and Tracer stack
rctx := ctx
results, err := ec.resolvers.{{ $field.ShortInvocation }}
if err != nil {
ec.Error(ctx, err)
return nil
}
return func() graphql.Marshaler {
res, ok := <-results
if !ok {
return nil
}
return graphql.WriterFunc(func(w io.Writer) {
w.Write([]byte{'{'})
graphql.MarshalString(field.Alias).MarshalGQL(w)
w.Write([]byte{':'})
ec.{{ $field.TypeReference.MarshalFunc }}(ctx, field.Selections, res).MarshalGQL(w)
w.Write([]byte{'}'})
})
}
}
{{ else }}
func (ec *executionContext) _{{$object.Name}}_{{$field.Name}}(ctx context.Context, field graphql.CollectedField{{ if not $object.Root }}, obj {{$object.Reference | ref}}{{end}}) (ret graphql.Marshaler) {
ctx = ec.Tracer.StartFieldExecution(ctx, field)
defer func () {
if r := recover(); r != nil {
ec.Error(ctx, ec.Recover(ctx, r))
ret = graphql.Null
}
ec.Tracer.EndFieldExecution(ctx)
}()
rctx := &graphql.ResolverContext{
Object: {{$object.Name|quote}},
Field: field,
Args: nil,
IsMethod: {{or $field.IsMethod $field.IsResolver}},
}
ctx = graphql.WithResolverContext(ctx, rctx)
{{- if $field.Args }}
rawArgs := field.ArgumentMap(ec.Variables)
args, err := ec.{{ $field.ArgsFunc }}(ctx,rawArgs)
if err != nil {
ec.Error(ctx, err)
return graphql.Null
}
rctx.Args = args
{{- end }}
ctx = ec.Tracer.StartFieldResolverExecution(ctx, rctx)
{{- if $.Directives.LocationDirectives "FIELD" }}
resTmp := ec._fieldMiddleware(ctx, {{if $object.Root}}nil{{else}}obj{{end}}, func(rctx context.Context) (interface{}, error) {
{{ template "field" $field }}
})
{{ else }}
resTmp, err := ec.ResolverMiddleware(ctx, func(rctx context.Context) (interface{}, error) {
{{ template "field" $field }}
})
if err != nil {
ec.Error(ctx, err)
return graphql.Null
}
{{- end }}
if resTmp == nil {
{{- if $field.TypeReference.GQL.NonNull }}
if !ec.HasError(rctx) {
ec.Errorf(ctx, "must not be null")
}
{{- end }}
return graphql.Null
}
res := resTmp.({{$field.TypeReference.GO | ref}})
rctx.Result = res
ctx = ec.Tracer.StartFieldChildExecution(ctx)
return ec.{{ $field.TypeReference.MarshalFunc }}(ctx, field.Selections, res)
}
{{ end }}
{{- end }}{{- end}}
{{ define "field" }}
{{- if .HasDirectives -}}
directive0 := func(rctx context.Context) (interface{}, error) {
ctx = rctx // use context from middleware stack in children
{{ template "fieldDefinition" . }}
}
{{ template "implDirectives" . }}
tmp, err := directive{{.ImplDirectives|len}}(rctx)
if err != nil {
return nil, err
}
if data, ok := tmp.({{ .TypeReference.GO | ref }}) ; ok {
return data, nil
}
return nil, fmt.Errorf(`unexpected type %T from directive, should be {{ .TypeReference.GO }}`, tmp)
{{- else -}}
ctx = rctx // use context from middleware stack in children
{{ template "fieldDefinition" . }}
{{- end -}}
{{ end }}
{{ define "fieldDefinition" }}
{{- if .IsResolver -}}
return ec.resolvers.{{ .ShortInvocation }}
{{- else if .IsMap -}}
switch v := {{.GoReceiverName}}[{{.Name|quote}}].(type) {
case {{.TypeReference.GO | ref}}:
return v, nil
case {{.TypeReference.Elem.GO | ref}}:
return &v, nil
case nil:
return ({{.TypeReference.GO | ref}})(nil), nil
default:
return nil, fmt.Errorf("unexpected type %T for field %s", v, {{ .Name | quote}})
}
{{- else if .IsMethod -}}
{{- if .NoErr -}}
return {{.GoReceiverName}}.{{.GoFieldName}}({{ .CallArgs }}), nil
{{- else -}}
return {{.GoReceiverName}}.{{.GoFieldName}}({{ .CallArgs }})
{{- end -}}
{{- else if .IsVariable -}}
return {{.GoReceiverName}}.{{.GoFieldName}}, nil
{{- end }}
{{- end }}
|
