schemas/graph/resolver.go

package graph

import (
	"context"
	"fmt"

	"github.com/apex/log"
	"gitlab.com/unboundsoftware/eventsourced/eventsourced"

	"gitlab.com/unboundsoftware/schemas/cache"
	"gitlab.com/unboundsoftware/schemas/middleware"
)

//go:generate go run github.com/99designs/gqlgen

// This file will not be regenerated automatically.
//
// It serves as dependency injection for your app, add any dependencies you require here.

type Publisher interface {
	Publish(ctx context.Context, event eventsourced.Event) error
}

type Resolver struct {
	EventStore eventsourced.EventStore
	Publisher  Publisher
	Logger     log.Interface
	Cache      *cache.Cache
}

func (r *Resolver) apiKeyCanAccessRef(ctx context.Context, ref string, publish bool) (string, error) {
	key, err := middleware.ApiKeyFromContext(ctx)
	if err != nil {
		return "", err
	}
	apiKey := r.Cache.ApiKeyByKey(key)
	if publish && !apiKey.Publish {
		return "", fmt.Errorf("provided API-key doesn't have publish privilege")
	}
	if !publish && !apiKey.Read {
		return "", fmt.Errorf("provided API-key doesn't have read privilege")
	}
	for _, rr := range apiKey.Refs {
		if rr == ref {
			return apiKey.Name, nil
		}
	}
	return "", fmt.Errorf("provided API-key doesn't have the required privilege on the requested Schema Ref")
}

func (r *Resolver) handler(ctx context.Context, aggregate eventsourced.Aggregate) (eventsourced.CommandHandler, error) {
	return eventsourced.NewHandler(ctx, aggregate, r.EventStore, eventsourced.WithEventPublisher(r.Publisher))
}

func apiKeyId(orgId, name string) string {
	return fmt.Sprintf("%s-%s", orgId, name)
}