feat: implement service

services/generic_command.go

@@ -0,0 +1,60 @@
+package services
+
+import (
+	"github.com/oarkflow/cli/contracts"
+	"github.com/oarkflow/errors"
+)
+
+type Flag struct {
+	Name     string   `json:"name"`
+	Value    string   `json:"value"`
+	Usage    string   `json:"usage"`
+	Aliases  []string `json:"aliases"`
+	Required bool     `json:"required"`
+}
+type GenericCommand struct {
+	handler    func(ctx contracts.Context) error
+	Command    string  `json:"signature"`
+	Desc       string  `json:"description"`
+	Handler    Handler `json:"handler"`
+	HandlerKey string  `json:"handler_key"`
+	Flags      []Flag  `json:"flags"`
+}
+
+// Signature The name and signature of the console command.
+func (receiver *GenericCommand) Signature() string {
+	return receiver.Command
+}
+
+// Description The console command description.
+func (receiver *GenericCommand) Description() string {
+	return receiver.Desc
+}
+
+// Extend The console command extend.
+func (receiver *GenericCommand) Extend() contracts.Extend {
+	var flags []contracts.Flag
+	for _, flag := range receiver.Flags {
+		flags = append(flags, contracts.Flag{
+			Name:     flag.Name,
+			Aliases:  flag.Aliases,
+			Usage:    flag.Usage,
+			Required: flag.Required,
+			Value:    flag.Value,
+		})
+	}
+	return contracts.Extend{Flags: flags}
+}
+
+// Handle Execute the console command.
+func (receiver *GenericCommand) Handle(ctx contracts.Context) error {
+	if receiver.handler == nil {
+		return errors.New("Handler not found")
+	}
+	return receiver.handler(ctx)
+}
+
+// SetHandler Execute the console command.
+func (receiver *GenericCommand) SetHandler(handler func(ctx contracts.Context) error) {
+	receiver.handler = handler
+}