feat: move infra to driver

usecase/user/inmem.go

@@ -0,0 +1,78 @@
+package user
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/eminetto/clean-architecture-go-v2/entity"
+)
+
+//inmem in memory repo
+type inmem struct {
+	m map[entity.ID]*entity.User
+}
+
+//newInmem create new repository
+func newInmem() *inmem {
+	var m = map[entity.ID]*entity.User{}
+	return &inmem{
+		m: m,
+	}
+}
+
+//Create an user
+func (r *inmem) Create(e *entity.User) (entity.ID, error) {
+	r.m[e.ID] = e
+	return e.ID, nil
+}
+
+//Get an user
+func (r *inmem) Get(id entity.ID) (*entity.User, error) {
+	if r.m[id] == nil {
+		return nil, entity.ErrNotFound
+	}
+	return r.m[id], nil
+}
+
+//Update an user
+func (r *inmem) Update(e *entity.User) error {
+	_, err := r.Get(e.ID)
+	if err != nil {
+		return err
+	}
+	r.m[e.ID] = e
+	return nil
+}
+
+//Search users
+func (r *inmem) Search(query string) ([]*entity.User, error) {
+	var d []*entity.User
+	for _, j := range r.m {
+		if strings.Contains(strings.ToLower(j.FirstName), query) {
+			d = append(d, j)
+		}
+	}
+	if len(d) == 0 {
+		return nil, entity.ErrNotFound
+	}
+
+	return d, nil
+}
+
+//List users
+func (r *inmem) List() ([]*entity.User, error) {
+	var d []*entity.User
+	for _, j := range r.m {
+		d = append(d, j)
+	}
+	return d, nil
+}
+
+//Delete an user
+func (r *inmem) Delete(id entity.ID) error {
+	if r.m[id] == nil {
+		return fmt.Errorf("not found")
+	}
+	r.m[id] = nil
+	return nil
+}