103 lines
2.1 KiB
Go
103 lines
2.1 KiB
Go
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package ats_tracer
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import (
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"slices"
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"sync"
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"time"
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"gitea.timerzz.com/kedaya_haitao/common/structs/storage"
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v2 "gitea.timerzz.com/kedaya_haitao/common/structs/v2"
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"github.com/golang/glog"
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)
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type Tracer struct {
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pArticle *v2.ProviderArticle
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tracing bool //是不是正在抓
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lastTraceTime time.Time //上次是什么时候抓的
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lastAts int // 上次抓取的库存
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}
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type Tracers struct {
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m sync.RWMutex
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list []*Tracer
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providerId v2.ProviderId
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storage *storage.Storage
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ready bool
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}
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func NewTracers(storage *storage.Storage, providerId v2.ProviderId) *Tracers {
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return &Tracers{
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storage: storage,
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providerId: providerId,
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list: make([]*Tracer, 0),
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}
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}
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func (w *Tracers) Add(article *v2.ProviderArticle) {
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w.m.Lock()
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defer w.m.Unlock()
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if !slices.ContainsFunc(w.list, func(item *Tracer) bool {
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return item.pArticle.SkuID == article.SkuID
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}) {
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w.list = append(w.list, &Tracer{pArticle: article, lastAts: -1})
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}
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}
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func (w *Tracers) Remove(skuID string) {
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for i, item := range w.list {
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if item.pArticle.SkuID == skuID {
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w.m.Lock()
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w.list = append(w.list[:i], w.list[i+1:]...)
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w.m.Unlock()
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return
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}
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}
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}
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func (w *Tracers) Range(filter func(tracer *Tracer) bool, do func(tracer *Tracer)) {
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w.m.RLock()
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defer w.m.RUnlock()
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for _, item := range w.list {
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if filter(item) {
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do(item)
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}
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}
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}
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func (w *Tracers) Exist(skuID string) bool {
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w.m.RLock()
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defer w.m.RUnlock()
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for _, item := range w.list {
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if item.pArticle.SkuID == skuID {
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return true
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}
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}
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return false
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}
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func (w *Tracers) Load() (err error) {
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var articles []*v2.ProviderArticle
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articles, err = w.storage.ProviderArticle().Find(
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storage.NewGetProviderArticleQuery().
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SetProviderId(w.providerId).
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SetTraceAts(true),
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)
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if err != nil {
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return err
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}
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w.m.Lock()
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defer w.m.Unlock()
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for _, article := range articles {
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w.list = append(w.list, &Tracer{pArticle: article})
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}
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glog.Infof("共加载%d个需要追踪库存的商品\n", len(w.list))
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w.ready = true
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return
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}
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// 返回ready
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func (w *Tracers) Ready() bool {
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return w.ready
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}
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