graphql

Documentation

Index

• func NewExecutableSchema(cfg Config) graphql.ExecutableSchema
• type ComplexityRoot
• type Config
  • func NewGraphQLConfig(redisClient *redis.Client) Config
• type DirectiveRoot
• type Message
• type MutationResolver
• type QueryResolver
• type Resolver
  • func (r *Resolver) Mutation() MutationResolver
  • func (r *Resolver) Query() QueryResolver
  • func (r *Resolver) Subscription() SubscriptionResolver
• type ResolverRoot
• type SubscriptionResolver

Functions

func NewExecutableSchema

func NewExecutableSchema(cfg Config) graphql.ExecutableSchema

NewExecutableSchema creates an ExecutableSchema from the ResolverRoot interface.

Types

type ComplexityRoot

type ComplexityRoot struct {
	Message struct {
		User    func(childComplexity int) int
		Message func(childComplexity int) int
	}

	Mutation struct {
		PostMessage func(childComplexity int, user string, message string) int
		CreateUser  func(childComplexity int, user string) int
	}

	Query struct {
		Users func(childComplexity int) int
	}

	Subscription struct {
		MessagePosted func(childComplexity int, user string) int
		UserJoined    func(childComplexity int, user string) int
	}
}

type Config

type Config struct {
	Resolvers  ResolverRoot
	Directives DirectiveRoot
	Complexity ComplexityRoot
}

func NewGraphQLConfig

func NewGraphQLConfig(redisClient *redis.Client) Config

NewGraphQLConfig returns Config and start subscribing redis pubsub.

type DirectiveRoot

type DirectiveRoot struct {
}

type Message

type Message struct {
	User    string `json:"user"`
	Message string `json:"message"`
}

type MutationResolver

type MutationResolver interface {
	PostMessage(ctx context.Context, user string, message string) (*Message, error)
	CreateUser(ctx context.Context, user string) (string, error)
}

type QueryResolver

type QueryResolver interface {
	Users(ctx context.Context) ([]string, error)
}

type Resolver

type Resolver struct {
	// contains filtered or unexported fields
}

Resolver implements ResolverRoot interface.

func (*Resolver) Mutation

func (r *Resolver) Mutation() MutationResolver

Mutation returns a resolver for mutation.

func (*Resolver) Query

func (r *Resolver) Query() QueryResolver

Query returns a resolver for query.

func (*Resolver) Subscription

func (r *Resolver) Subscription() SubscriptionResolver

Subscription returns a resolver for subsctiption.

type ResolverRoot

type ResolverRoot interface {
	Mutation() MutationResolver
	Query() QueryResolver
	Subscription() SubscriptionResolver
}

type SubscriptionResolver

type SubscriptionResolver interface {
	MessagePosted(ctx context.Context, user string) (<-chan Message, error)
	UserJoined(ctx context.Context, user string) (<-chan string, error)
}