active/core/errs/err_info.go

// ------------------------------------------------------------------------
//   Project active2
//   Active Thing (activething.com) git.activething.com/go
//
//   File name  errMeta.go
//   Created by DEV
//   Modified   24/03/2024
//
//   Copyright 2024 activething.com 
// ------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ------------------------------------------------------------------------

package errs

import (
	"time"
)

type (

	ErrInfo struct {
		error
		message string
		info 	string
		date 	time.Time
		metas 	map[string]string
	}

	ErrInfoFnc func (*ErrInfo)

)


func NewErrInfo(err error, options ...ErrInfoFnc) *ErrInfo {
	if err == nil {
		return nil
	}
	return applyErrOptions(&ErrInfo{
		error: err,
		date : time.Now(),
	}, options ...)
}



func (e ErrInfo) Info () string {
	return e.info }

func (e ErrInfo) Date () time.Time {
	return e.date }

func (e ErrInfo) Message () string {
	return e.message }


func (e ErrInfo) MapMetas(f func (name string, value any) bool) {
	if len(e.metas) > 0 {
		for k,v := range e.metas {
			if !f(k,v) {
				return
			}
		}
	}
}


func (e ErrInfo) Unwrap () error {
	return e.error }




func (e ErrInfo) Format (builder FormatBuilder) {
	o := builder.Options()
	n := e.Unwrap()
	if !o.ShowWrapped() {
		e.formatWrapped(builder, n)
		return
	}

	builder.AddCode(e.Error())
	builder.AddType("core.errs.ErrInfo")

	e.formatWrapped(builder, n)

	if o.ShowCause() {
		if c := UnwrapCause(n); c != nil {
			builder.AddCause(c)
		}
	}
	if o.ShowTrace() {
		if t := UnwrapTrace(n); t != nil {
			builder.AddTrace(t)
		}
	}

}

func (e ErrInfo) formatWrapped (builder FormatBuilder, next error) {
	if builder.Options().ShowDetails() {
		builder.AddFieldString("message",e.message)
		builder.AddFieldString("info",e.info)
		builder.AddFieldTime  ("date",e.date)
		if len(e.metas) > 0 {
			for n,v := range e.metas {
				builder.AddFieldString(n,v)
			}
		}
		if next != nil {
			builder.AddWrapped(next)
		}
	}
}