-
Notifications
You must be signed in to change notification settings - Fork 1
/
product.go
88 lines (66 loc) · 1.82 KB
/
product.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
//nolint:dupl // it's intended to be similar to other repositories
package repository
import (
"sync"
"github.com/patrickkoss/grpc-gateway-example/domain"
"github.com/patrickkoss/grpc-gateway-example/internal/adapter/logging"
)
type ProductRepository interface {
Get(id string) (*domain.Product, error)
List() ([]domain.Product, error)
Create(user *domain.Product) error
Delete(id string) error
}
type productRepository struct {
logger logging.Logger
rwLock sync.RWMutex
products map[string]domain.Product
}
func (p *productRepository) Get(id string) (*domain.Product, error) {
p.rwLock.RLock()
defer p.rwLock.RUnlock()
product, ok := p.products[id]
if !ok {
p.logger.Info("product not found", logging.String("id", id))
return nil, domain.ErrNotFound
}
return &product, nil
}
func (p *productRepository) List() ([]domain.Product, error) {
p.rwLock.RLock()
defer p.rwLock.RUnlock()
products := make([]domain.Product, 0, len(p.products))
for _, product := range p.products {
products = append(products, product)
}
return products, nil
}
func (p *productRepository) Create(product *domain.Product) error {
p.rwLock.Lock()
defer p.rwLock.Unlock()
_, ok := p.products[product.Id]
if ok {
p.logger.Info("product already exists", logging.String("id", product.Id))
return domain.ErrAlreadyExists
}
p.products[product.Id] = *product
return nil
}
func (p *productRepository) Delete(id string) error {
p.rwLock.Lock()
defer p.rwLock.Unlock()
_, ok := p.products[id]
if !ok {
p.logger.Info("product not found", logging.String("id", id))
return domain.ErrNotFound
}
delete(p.products, id)
return nil
}
func NewProductRepository(logger logging.Logger) ProductRepository {
return &productRepository{
logger: logger,
rwLock: sync.RWMutex{},
products: make(map[string]domain.Product),
}
}