wechaty/go-wechaty

package factory

import (
    _interface "github.com/wechaty/go-wechaty/wechaty/interface"
    "github.com/wechaty/go-wechaty/wechaty/user"
    "sync"
)

type TagFactory struct {
    _interface.IAccessory
    pool *sync.Map
}

// NewTagFactory ...
func NewTagFactory(accessory _interface.IAccessory) *TagFactory {
    return &TagFactory{
        IAccessory: accessory,
        pool:       &sync.Map{},
    }
}

func (r *TagFactory) Load(id string) _interface.ITag {
    load, ok := r.pool.Load(id)
    if ok {
        return load.(*user.Tag)
    }
    tag := user.NewTag(id, r.IAccessory)
    r.pool.Store(id, tag)
    return tag
}

func (r *TagFactory) Get(tag string) _interface.ITag {
    return r.Load(tag)
}

func (r *TagFactory) Delete(tag _interface.ITag) error {
    return r.GetPuppet().TagContactDelete(tag.ID())
}