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Opt-in tracing support #60

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30 changes: 17 additions & 13 deletions handler.go
Original file line number Diff line number Diff line change
Expand Up @@ -24,12 +24,13 @@ type ResultCallbackFn func(ctx context.Context, params *graphql.Params, result *

type Handler struct {
Schema *graphql.Schema
pretty bool
formatErrorFn func(err error) gqlerrors.FormattedError
graphiql bool
playground bool
rootObjectFn RootObjectFn
pretty bool
resultCallbackFn ResultCallbackFn
formatErrorFn func(err error) gqlerrors.FormattedError
rootObjectFn RootObjectFn
tracer graphql.Tracer
}

type RequestOptions struct {
Expand Down Expand Up @@ -130,11 +131,12 @@ func (h *Handler) ContextHandler(ctx context.Context, w http.ResponseWriter, r *

// execute graphql query
params := graphql.Params{
Schema: *h.Schema,
Context: ctx,
OperationName: opts.OperationName,
RequestString: opts.Query,
Schema: *h.Schema,
Tracer: h.tracer,
VariableValues: opts.Variables,
OperationName: opts.OperationName,
Context: ctx,
}
if h.rootObjectFn != nil {
params.RootObject = h.rootObjectFn(ctx, r)
Expand Down Expand Up @@ -197,13 +199,14 @@ func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
type RootObjectFn func(ctx context.Context, r *http.Request) map[string]interface{}

type Config struct {
Schema *graphql.Schema
Pretty bool
FormatErrorFn func(err error) gqlerrors.FormattedError
GraphiQL bool
Playground bool
RootObjectFn RootObjectFn
Pretty bool
ResultCallbackFn ResultCallbackFn
FormatErrorFn func(err error) gqlerrors.FormattedError
RootObjectFn RootObjectFn
Schema *graphql.Schema
Tracer graphql.Tracer
}

func NewConfig() *Config {
Expand All @@ -226,11 +229,12 @@ func New(p *Config) *Handler {

return &Handler{
Schema: p.Schema,
pretty: p.Pretty,
formatErrorFn: p.FormatErrorFn,
graphiql: p.GraphiQL,
playground: p.Playground,
rootObjectFn: p.RootObjectFn,
pretty: p.Pretty,
resultCallbackFn: p.ResultCallbackFn,
formatErrorFn: p.FormatErrorFn,
rootObjectFn: p.RootObjectFn,
tracer: p.Tracer,
}
}