crud register read handler

crud_register_read.go

func (crud *CRUD) registerR() gomHTTP.ServerRoute {
	// build select sql
	fields := crud.Config.selectFields
	if len(fields) == 0 {
		// allow select all fields
		fields = crud.Config.fields
	}
	fieldNames := make([]string, len(fields))
	for i, field := range fields {
		fieldNames[i] = field.name
	}
	crud.Config.selectedFields = fields
	crud.Config.sqlCRUDRead = fmt.Sprintf(sqlCRUDRead, strings.Join(fieldNames, ","),
		crud.Config.TableName, crud.Config.pk.name)
	return gomHTTP.ServerRoute{
		Name:       "crud_read_" + crud.Config.TableName,
		Method:     http.MethodGet,
		Path:       fmt.Sprintf("/%s", crud.Config.TableName),
		Validators: []gomHTTP.ParamValidator{validatePrimaryKey(crud.Config.pk.index)},
		Handler:    crud.handleRead,
	}
}