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static_datasource.go
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/
static_datasource.go
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package staticdatasource
import (
"context"
"io"
"github.com/jensneuse/abstractlogger"
"github.com/wundergraph/graphql-go-tools/v2/pkg/ast"
"github.com/wundergraph/graphql-go-tools/v2/pkg/engine/plan"
"github.com/wundergraph/graphql-go-tools/v2/pkg/engine/resolve"
)
type Configuration struct {
Data string `json:"data"`
}
type Factory[T Configuration] struct{}
func (f *Factory[T]) Planner(logger abstractlogger.Logger) plan.DataSourcePlanner[T] {
return &Planner[T]{}
}
func (f *Factory[T]) Context() context.Context {
return context.TODO()
}
type Planner[T Configuration] struct {
config Configuration
}
func (p *Planner[T]) UpstreamSchema(dataSourceConfig plan.DataSourceConfiguration[T]) (*ast.Document, bool) {
return nil, false
}
func (p *Planner[T]) DownstreamResponseFieldAlias(downstreamFieldRef int) (alias string, exists bool) {
// skip, not required
return
}
func (p *Planner[T]) DataSourcePlanningBehavior() plan.DataSourcePlanningBehavior {
return plan.DataSourcePlanningBehavior{
MergeAliasedRootNodes: false,
OverrideFieldPathFromAlias: false,
}
}
func (p *Planner[T]) Register(_ *plan.Visitor, configuration plan.DataSourceConfiguration[T], _ plan.DataSourcePlannerConfiguration) error {
p.config = Configuration(configuration.CustomConfiguration())
return nil
}
func (p *Planner[T]) ConfigureFetch() resolve.FetchConfiguration {
return resolve.FetchConfiguration{
Input: p.config.Data,
DataSource: Source{},
}
}
func (p *Planner[T]) ConfigureSubscription() plan.SubscriptionConfiguration {
return plan.SubscriptionConfiguration{
Input: p.config.Data,
}
}
type Source struct{}
func (Source) Load(ctx context.Context, input []byte, w io.Writer) (err error) {
_, err = w.Write(input)
return
}