add backend tpl

backend/providers/uuid/uuid.go

@@ -0,0 +1,41 @@
+package uuid
+
+import (
+	"git.ipao.vip/rogeecn/atom/container"
+	"git.ipao.vip/rogeecn/atom/utils/opt"
+
+	"github.com/gofrs/uuid"
+)
+
+func DefaultProvider() container.ProviderContainer {
+	return container.ProviderContainer{
+		Provider: Provide,
+		Options:  []opt.Option{},
+	}
+}
+
+type Generator struct {
+	generator uuid.Generator
+}
+
+func Provide(opts ...opt.Option) error {
+	o := opt.New(opts...)
+	return container.Container.Provide(func() (*Generator, error) {
+		return &Generator{
+			generator: uuid.DefaultGenerator,
+		}, nil
+	}, o.DiOptions()...)
+}
+
+func (u *Generator) MustGenerate() string {
+	uuid, _ := u.Generate()
+	return uuid
+}
+
+func (u *Generator) Generate() (string, error) {
+	uuid, err := u.generator.NewV4()
+	if err != nil {
+		return "", err
+	}
+	return uuid.String(), err
+}