README

chat app

Example app using subscriptions to build a chat room.

to run this server

go run ./example/chat/server/server.go

to run the react app

cd ./example/chat
npm install 
npm run start
Expand ▾ Collapse ▴

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func NewExecutableSchema

func NewExecutableSchema(cfg Config) graphql.ExecutableSchema

    NewExecutableSchema creates an ExecutableSchema from the ResolverRoot interface.

    Types

    type Chatroom

    type Chatroom struct {
    	Name      string
    	Messages  []Message
    	Observers map[string]struct {
    		Username string
    		Message  chan *Message
    	}
    }

    type ComplexityRoot

    type ComplexityRoot struct {
    	Chatroom struct {
    		Messages func(childComplexity int) int
    		Name     func(childComplexity int) int
    	}
    
    	Message struct {
    		CreatedAt func(childComplexity int) int
    		CreatedBy func(childComplexity int) int
    		ID        func(childComplexity int) int
    		Text      func(childComplexity int) int
    	}
    
    	Mutation struct {
    		Post func(childComplexity int, text string, username string, roomName string) int
    	}
    
    	Query struct {
    		Room func(childComplexity int, name string) int
    	}
    
    	Subscription struct {
    		MessageAdded func(childComplexity int, roomName string) int
    	}
    }

    type Config

    type Config struct {
    	Resolvers  ResolverRoot
    	Directives DirectiveRoot
    	Complexity ComplexityRoot
    }

    func New

    func New() Config

    type DirectiveRoot

    type DirectiveRoot struct {
    	User func(ctx context.Context, obj interface{}, next graphql.Resolver, username string) (res interface{}, err error)
    }

    type Message

    type Message struct {
    	ID        string    `json:"id"`
    	Text      string    `json:"text"`
    	CreatedBy string    `json:"createdBy"`
    	CreatedAt time.Time `json:"createdAt"`
    }

    type MutationResolver

    type MutationResolver interface {
    	Post(ctx context.Context, text string, username string, roomName string) (*Message, error)
    }

    type QueryResolver

    type QueryResolver interface {
    	Room(ctx context.Context, name string) (*Chatroom, error)
    }

    type ResolverRoot

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

    type SubscriptionResolver

    type SubscriptionResolver interface {
    	MessageAdded(ctx context.Context, roomName string) (<-chan *Message, error)
    }

    Directories

    Path Synopsis