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62 lines
1.5 KiB
62 lines
1.5 KiB
// Copyright 2023 ROC. All rights reserved.
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// Use of this source code is governed by a MIT style
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// license that can be found in the LICENSE file.
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package cache
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import (
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"bytes"
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"encoding/gob"
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"github.com/rocboss/paopao-ce/internal/conf"
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"github.com/rocboss/paopao-ce/internal/core"
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"github.com/rocboss/paopao-ce/internal/core/ms"
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)
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type cacheDataService struct {
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core.DataService
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ac core.AppCache
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}
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func NewCacheDataService(ds core.DataService) core.DataService {
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lazyInitial()
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return &cacheDataService{
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DataService: ds,
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ac: _appCache,
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}
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}
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func (s *cacheDataService) GetUserByID(id int64) (res *ms.User, err error) {
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// 先从缓存获取， 不处理错误
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key := conf.KeyUserInfoById.Get(id)
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if data, xerr := s.ac.Get(key); xerr == nil {
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buf := bytes.NewBuffer(data)
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res = &ms.User{}
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err = gob.NewDecoder(buf).Decode(res)
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return
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}
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// 最后查库
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if res, err = s.DataService.GetUserByID(id); err == nil {
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// 更新缓存
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onCacheUserInfoEvent(key, res)
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}
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return
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}
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func (s *cacheDataService) GetUserByUsername(username string) (res *ms.User, err error) {
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// 先从缓存获取， 不处理错误
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key := conf.KeyUserInfoByName.Get(username)
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if data, xerr := s.ac.Get(key); xerr == nil {
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buf := bytes.NewBuffer(data)
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res = &ms.User{}
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err = gob.NewDecoder(buf).Decode(res)
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return
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}
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// 最后查库
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if res, err = s.DataService.GetUserByUsername(username); err == nil {
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// 更新缓存
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onCacheUserInfoEvent(key, res)
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}
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return
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}
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