shopping

README

GO SHOPPING CART API

Prerequisites

• Docker

Installing

Download repository

git clone https://github.com/amelendres/go-shopping-cart

Build

The first installation

make build

HOW TO RUN

ENDPOINTS

• Add a product to Cart

--header 'Content-Type: application/json' \
--data-raw '{
  "id": "4e45b227-6a79-44ee-8cf0-da21508a4f8a",
  "name": "Dress",
  "price": 299.50,
  "units": 1
}'

• Get products from cart

curl --location --request GET 'http://localhost:8050/carts/c50bf7b3-95d5-48fa-8b0d-691e3f40c1f9/products' \
--header 'Content-Type: application/json' \

Authors

• Alfredo Melendres - alfredo.melendres@gmail.com

MIT license

Documentation

Index

• Variables
• func AssertCartProduct(t *testing.T, cart *Cart, product Product)
• func AssertCartProductLines(t *testing.T, cart *Cart, qty int)
• func AssertCartProductQty(t *testing.T, cart *Cart, product Product, qty Quantity)
• func AssertEquals(t *testing.T, got int, want int)
• func AssertNoError(t *testing.T, err error)
• func AssertProduct(t *testing.T, store *StubCartStore, product Product)
• type Cart
  • func NewCart(id, buyerId UUID) *Cart
  • func (c *Cart) AddProduct(product Product)
  • func (c *Cart) GetProducts() Products
• type CartRepository
• type Price
• type Product
  • func NewProduct(ID, Name string, Price Price, Units Quantity) Product
  • func (p Product) Equal(other Product) bool
• type Products
  • func (p Products) Find(product Product) (int, *Product)
• type Quantity
• type StubCartStore
  • func (s *StubCartStore) Get(id string) (*Cart, error)
  • func (s *StubCartStore) Save(cart *Cart) error
• type UUID

Variables

var ErrUnknownCart = errors.New("unknown cart")

Functions

func AssertCartProduct

func AssertCartProduct(t *testing.T, cart *Cart, product Product)

func AssertCartProductLines

func AssertCartProductLines(t *testing.T, cart *Cart, qty int)

func AssertCartProductQty

func AssertCartProductQty(t *testing.T, cart *Cart, product Product, qty Quantity)

func AssertEquals

func AssertEquals(t *testing.T, got int, want int)

BASIC ASSERTS

func AssertNoError

func AssertNoError(t *testing.T, err error)

func AssertProduct

func AssertProduct(t *testing.T, store *StubCartStore, product Product)

Types

type Cart

type Cart struct {
	ID, BuyerID UUID
	Products    Products
}

func NewCart

func NewCart(id, buyerId UUID) *Cart

func (*Cart) AddProduct

func (c *Cart) AddProduct(product Product)

func (*Cart) GetProducts

func (c *Cart) GetProducts() Products

type CartRepository

type CartRepository interface {
	Save(cart *Cart) error
	Get(id string) (*Cart, error)
}

type Price

type Price float32

type Product

type Product struct {
	ID, Name string
	Price    Price
	Units    Quantity
}

Product stores a product line information

func NewProduct

func NewProduct(ID, Name string, Price Price, Units Quantity) Product

func (Product) Equal

func (p Product) Equal(other Product) bool

type Products

type Products []Product

Products stores a collection of Products

func (Products) Find

func (p Products) Find(product Product) (int, *Product)

type Quantity

type Quantity int

type StubCartStore

type StubCartStore struct {
	Carts []Cart
}

func (*StubCartStore) Get

func (s *StubCartStore) Get(id string) (*Cart, error)

func (*StubCartStore) Save

func (s *StubCartStore) Save(cart *Cart) error

type UUID

type UUID string