/
memStore.go
57 lines (49 loc) · 1.48 KB
/
memStore.go
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package store
import (
"fmt"
puppy "github.com/anz-bank/go-course/08_project/n0npax/pkg/puppy"
)
// MemStore map based type for storing puppies data
type MemStore map[int]puppy.Puppy
// NewMemStore creates new storer for map
func NewMemStore() MemStore {
return MemStore{}
}
// CreatePuppy creates puppy
func (m MemStore) CreatePuppy(p *puppy.Puppy) (int, error) {
if p.Value < 0 {
return -1, puppy.Errorf(puppy.ErrInvalidInputCode, "Puppy value have to be positive number")
}
id := len(m)
m[id] = *p
return id, nil
}
// ReadPuppy reads puppy from backend
func (m MemStore) ReadPuppy(id int) (*puppy.Puppy, error) {
if puppy, ok := m[id]; ok {
return &puppy, nil
}
return nil, puppy.Errorf(puppy.ErrNotFoundCode, fmt.Sprintf("Puppy with ID (%v) not found", id))
}
// UpdatePuppy updates puppy
func (m MemStore) UpdatePuppy(id int, p *puppy.Puppy) error {
if p.Value < 0 {
return puppy.Errorf(puppy.ErrInvalidInputCode, "Puppy value have to be positive number")
}
if id != p.ID {
return puppy.Errorf(puppy.ErrInvalidInputCode, "ID is corrupted. Please ensure object ID matched provided ID")
}
if _, ok := m[id]; !ok {
return puppy.Errorf(puppy.ErrNotFoundCode, fmt.Sprintf("Puppy with ID (%v) not found", id))
}
m[id] = *p
return nil
}
// DeletePuppy deletes puppy
func (m MemStore) DeletePuppy(id int) (bool, error) {
if _, ok := m[id]; !ok {
return false, puppy.Errorf(puppy.ErrNotFoundCode, fmt.Sprintf("Puppy with ID (%v) not found", id))
}
delete(m, id)
return true, nil
}