todo

README

todo app

This is the simplest example of a graphql server.

to run this server

go run ./server/server.go

and open http://localhost:8081 in your browser

Documentation

Index

• Variables
• func NewExecutableSchema(cfg Config) graphql.ExecutableSchema
• type ComplexityRoot
• type Config
  • func New() Config
• type DirectiveRoot
• type MutationResolver
  • func (r *MutationResolver) CreateTodo(ctx context.Context, todo TodoInput) (*Todo, error)
  • func (r *MutationResolver) UpdateTodo(ctx context.Context, id int, changes map[string]any) (*Todo, error)
• type MyMutation
• type MyMutationResolver
• type MyQuery
• type MyQueryResolver
• type Number
  • func (e Number) MarshalGQLContext(_ context.Context, w io.Writer) error
  • func (e *Number) UnmarshalGQLContext(ctx context.Context, v any) error
• type Ownable
• type QueryResolver
  • func (r *QueryResolver) LastTodo(ctx context.Context) (*Todo, error)
  • func (r *QueryResolver) Todo(ctx context.Context, id int) (*Todo, error)
  • func (r *QueryResolver) Todos(ctx context.Context) ([]*Todo, error)
• type ResolverRoot
• type Role
  • func (e Role) IsValid() bool
  • func (e Role) MarshalGQL(w io.Writer)
  • func (e Role) MarshalJSON() ([]byte, error)
  • func (e Role) String() string
  • func (e *Role) UnmarshalGQL(v any) error
  • func (e *Role) UnmarshalJSON(b []byte) error
• type Todo
  • func (t Todo) Owner() *User
• type TodoInput
• type User

Variables

var AllRole = []Role{
	RoleAdmin,
	RoleOwner,
}

Functions

func NewExecutableSchema

func NewExecutableSchema(cfg Config) graphql.ExecutableSchema

NewExecutableSchema creates an ExecutableSchema from the ResolverRoot interface.

Types

type ComplexityRoot

type ComplexityRoot struct {
	MyMutation struct {
		CreateTodo func(childComplexity int, todo TodoInput) int
		UpdateTodo func(childComplexity int, id int, changes map[string]any) int
	}

	MyQuery struct {
		LastTodo func(childComplexity int) int
		Todo     func(childComplexity int, id int) int
		Todos    func(childComplexity int) int
	}

	Todo struct {
		Done func(childComplexity int) int
		ID   func(childComplexity int) int
		Text func(childComplexity int) int
	}
}

type Config

type Config = graphql.Config[ResolverRoot, DirectiveRoot, ComplexityRoot]

func New

func New() Config

type DirectiveRoot

type DirectiveRoot struct {
	HasRole func(ctx context.Context, obj any, next graphql.Resolver, role Role) (res any, err error)
	User    func(ctx context.Context, obj any, next graphql.Resolver, id int) (res any, err error)
}

type MutationResolver

type MutationResolver resolvers

func (*MutationResolver) CreateTodo

func (r *MutationResolver) CreateTodo(ctx context.Context, todo TodoInput) (*Todo, error)

func (*MutationResolver) UpdateTodo

func (r *MutationResolver) UpdateTodo(
	ctx context.Context,
	id int,
	changes map[string]any,
) (*Todo, error)

type MyMutation

type MyMutation struct {
}

type MyMutationResolver

type MyMutationResolver interface {
	CreateTodo(ctx context.Context, todo TodoInput) (*Todo, error)
	UpdateTodo(ctx context.Context, id int, changes map[string]any) (*Todo, error)
}

type MyQuery

type MyQuery struct {
}

type MyQueryResolver

type MyQueryResolver interface {
	Todo(ctx context.Context, id int) (*Todo, error)
	LastTodo(ctx context.Context) (*Todo, error)
	Todos(ctx context.Context) ([]*Todo, error)
}

type Number

type Number int

func (Number) MarshalGQLContext

func (e Number) MarshalGQLContext(_ context.Context, w io.Writer) error

func (*Number) UnmarshalGQLContext

func (e *Number) UnmarshalGQLContext(ctx context.Context, v any) error

type Ownable

type Ownable interface {
	Owner() *User
}

type QueryResolver

type QueryResolver resolvers

func (*QueryResolver) LastTodo

func (r *QueryResolver) LastTodo(ctx context.Context) (*Todo, error)

func (*QueryResolver) Todo

func (r *QueryResolver) Todo(ctx context.Context, id int) (*Todo, error)

func (*QueryResolver) Todos

func (r *QueryResolver) Todos(ctx context.Context) ([]*Todo, error)

type ResolverRoot

type ResolverRoot interface {
	MyMutation() MyMutationResolver
	MyQuery() MyQueryResolver
}

type Role

type Role string

const (
	RoleAdmin Role = "ADMIN"
	RoleOwner Role = "OWNER"
)

func (Role) IsValid

func (e Role) IsValid() bool

func (Role) MarshalGQL

func (e Role) MarshalGQL(w io.Writer)

func (Role) MarshalJSON

func (e Role) MarshalJSON() ([]byte, error)

func (Role) String

func (e Role) String() string

func (*Role) UnmarshalGQL

func (e *Role) UnmarshalGQL(v any) error

func (*Role) UnmarshalJSON

func (e *Role) UnmarshalJSON(b []byte) error

type Todo

type Todo struct {
	ID   int
	Text string
	Done bool
	// contains filtered or unexported fields
}

func (Todo) Owner

func (t Todo) Owner() *User

type TodoInput

type TodoInput struct {
	// The body text
	Text string `json:"text"`
	// Is it done already?
	Done   *bool  `json:"done,omitempty"`
	Number Number `json:"number"`
}

Passed to createTodo to create a new todo

type User

type User struct {
	ID   int
	Name string
}