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package base
import (
"context"
"fmt"
"reflect"
"strings"
"github.com/spf13/cobra"
"github.com/hetznercloud/cli/internal/cmd/cmpl"
"github.com/hetznercloud/cli/internal/cmd/util"
"github.com/hetznercloud/cli/internal/hcapi2"
"github.com/hetznercloud/cli/internal/state"
"github.com/hetznercloud/hcloud-go/v2/hcloud"
)
// DeleteCmd allows defining commands for deleting a resource.
type DeleteCmd struct {
ResourceNameSingular string // e.g. "server"
ShortDescription string
NameSuggestions func(client hcapi2.Client) func() []string
AdditionalFlags func(*cobra.Command)
Fetch func(ctx context.Context, client hcapi2.Client, cmd *cobra.Command, idOrName string) (interface{}, *hcloud.Response, error)
Delete func(ctx context.Context, client hcapi2.Client, actionWaiter state.ActionWaiter, cmd *cobra.Command, resource interface{}) error
}
// CobraCommand creates a command that can be registered with cobra.
func (dc *DeleteCmd) CobraCommand(
ctx context.Context, client hcapi2.Client, tokenEnsurer state.TokenEnsurer, actionWaiter state.ActionWaiter,
) *cobra.Command {
cmd := &cobra.Command{
Use: fmt.Sprintf("delete [FLAGS] %s", strings.ToUpper(dc.ResourceNameSingular)),
Short: dc.ShortDescription,
Args: cobra.ExactArgs(1),
ValidArgsFunction: cmpl.SuggestArgs(cmpl.SuggestCandidatesF(dc.NameSuggestions(client))),
TraverseChildren: true,
DisableFlagsInUseLine: true,
PreRunE: util.ChainRunE(tokenEnsurer.EnsureToken),
RunE: func(cmd *cobra.Command, args []string) error {
return dc.Run(ctx, client, actionWaiter, cmd, args)
},
}
if dc.AdditionalFlags != nil {
dc.AdditionalFlags(cmd)
}
return cmd
}
// Run executes a describe command.
func (dc *DeleteCmd) Run(ctx context.Context, client hcapi2.Client, actionWaiter state.ActionWaiter, cmd *cobra.Command, args []string) error {
idOrName := args[0]
resource, _, err := dc.Fetch(ctx, client, cmd, idOrName)
if err != nil {
return err
}
// resource is an interface that always has a type, so the interface is never nil
// (i.e. == nil) is always false.
if reflect.ValueOf(resource).IsNil() {
return fmt.Errorf("%s not found: %s", dc.ResourceNameSingular, idOrName)
}
if err := dc.Delete(ctx, client, actionWaiter, cmd, resource); err != nil {
return fmt.Errorf("deleting %s %s failed: %s", dc.ResourceNameSingular, idOrName, err)
}
fmt.Printf("%s %v deleted\n", dc.ResourceNameSingular, idOrName)
return nil
}
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