{{ define "delete" }}
{{ $pkg := base $.Config.Package }}
{{ template "header" $pkg }}

{{ template "import" $ }}

{{ $builder := print (pascal $.Name) "Delete" }}
{{ $receiver := receiver $builder }}
// {{ $builder }} is the builder for deleting a {{ pascal $.Name }} entity.
type {{ $builder }} struct {
	config
	predicates []ent.Predicate
}


// Where adds a new predicate for the builder.
func ({{ $receiver}} *{{ $builder }}) Where(ps ...ent.Predicate) *{{ $builder }} {
	{{ $receiver}}.predicates = append({{ $receiver}}.predicates, ps...)
	return {{ $receiver }}
}

// Exec executes the deletion query.
func ({{ $receiver}} *{{ $builder }}) Exec(ctx context.Context) error {
	switch {{ $receiver }}.driver.Dialect() {
	case dialect.MySQL, dialect.SQLite:
		return {{ $receiver }}.sqlExec(ctx)
	case dialect.Neptune:
		return {{ $receiver }}.gremlinExec(ctx)
	default:
		return errors.New("{{ $pkg }}: unsupported dialect")
	}
}

// ExecX is like Exec, but panics if an error occurs.
func ({{ $receiver }} *{{ $builder }}) ExecX(ctx context.Context) {
	if err := {{ $receiver }}.Exec(ctx); err != nil {
		panic(err)
	}
}

{{ with extend $ "Builder" $builder }}
	{{ template "dialect/sql/delete" . }}
{{ end }}

{{ with extend $ "Builder" $builder }}
	{{ template "dialect/gremlin/delete" . }}
{{ end }}

{{ $onebuilder := print $builder "One" }}
{{ $oneReceiver := receiver $onebuilder }}

// {{ $onebuilder }} is the builder for deleting a single {{ $.Name }} entity.
type {{ $onebuilder }} struct {
	{{ $receiver }} *{{ $builder }}
}

// Exec executes the deletion query.
func ({{ $oneReceiver }} *{{ $onebuilder }}) Exec(ctx context.Context) error {
	return {{ $oneReceiver }}.{{ $receiver }}.Exec(ctx)
}

// ExecX is like Exec, but panics if an error occurs.
func ({{ $oneReceiver }} *{{ $onebuilder }}) ExecX(ctx context.Context) {
	{{ $oneReceiver }}.{{ $receiver }}.ExecX(ctx)
}

{{ end }}