store

Documentation

Index

• type CartItem
  • func NewCartItem(user string, product uint, quantity uint) (*CartItem, error)
  • func (c CartItem) Validate() error
• type CartStore
  • func New(log logger, db UnderlyingStore) CartStore
• type ShoppingCartTable
  • func GetTable() *ShoppingCartTable
  • func (u *ShoppingCartTable) GetName() string
  • func (u *ShoppingCartTable) GetTableSchema() *memdb.TableSchema
• type UnderlyingStore
• type Validatable

Types

type CartItem

type CartItem struct {
	ID       string        `json:"id"`
	Products map[uint]uint `json:"products"`
}

func NewCartItem

func NewCartItem(user string, product uint, quantity uint) (*CartItem, error)

func (CartItem) Validate

func (c CartItem) Validate() error

type CartStore

type CartStore interface {
	AddProduct(userID string, prodID uint, quantity uint) (uint, error)
	GetProductsForUser(userID string) (map[uint]uint, error)
	ClearCartFor(userID string) error
}

CartStore represents the shopping cart store

func New

func New(log logger, db UnderlyingStore) CartStore

New start a new instance of cart store

type ShoppingCartTable

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

ShoppingCartTable the shopping cart table schema

func GetTable

func GetTable() *ShoppingCartTable

func (*ShoppingCartTable) GetName

func (u *ShoppingCartTable) GetName() string

GetName returns the name of the shopping cart table

func (*ShoppingCartTable) GetTableSchema

func (u *ShoppingCartTable) GetTableSchema() *memdb.TableSchema

GetTableSchema returns the schema of the shopping cart table

type UnderlyingStore

type UnderlyingStore interface {
	Read(table string, key string, value interface{}) (interface{}, error)
	Write(table string, objs ...interface{}) error
	Remove(table string, key string, value interface{}) error
}

UnderlyingStore represents the interface that the DB should implement to be usable

type Validatable

type Validatable interface {
	Validate() error
}

Validatable is an item which has to adhere to certain convetions and knows how to check that it is correct