feat: update atom framework

opt/options.go

@@ -0,0 +1,62 @@
+package opt
+
+import (
+	"github.com/spf13/viper"
+	"go.uber.org/dig"
+)
+
+type Options struct {
+	Config *viper.Viper
+	Prefix string
+	Name   string
+	Group  string
+}
+
+type Option func(o *Options)
+
+func New(opts ...Option) *Options {
+	o := &Options{}
+	for _, opt := range opts {
+		opt(o)
+	}
+	return o
+}
+
+func (o *Options) UnmarshalConfig(config interface{}) error {
+	return o.Config.UnmarshalKey(o.Prefix, &config)
+}
+
+func (o *Options) DiOptions() []dig.ProvideOption {
+	options := []dig.ProvideOption{}
+	if o.Name != "" {
+		options = append(options, dig.Name(o.Name))
+	}
+	if o.Group != "" {
+		options = append(options, dig.Group(o.Group))
+	}
+	return options
+}
+
+func Config(config *viper.Viper) Option {
+	return func(o *Options) {
+		o.Config = config
+	}
+}
+
+func Name(name string) Option {
+	return func(o *Options) {
+		o.Name = name
+	}
+}
+
+func Group(group string) Option {
+	return func(o *Options) {
+		o.Group = group
+	}
+}
+
+func Prefix(prefix string) Option {
+	return func(o *Options) {
+		o.Prefix = prefix
+	}
+}