cn-coach-spider/spider/controller.go
timerzz b39910ca54
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Build image / build (push) Failing after 10m4s
feat cn client支持tls
2024-06-14 17:45:51 +08:00

103 lines
2.5 KiB
Go

package spider
import (
"context"
"fmt"
"gitea.timerzz.com/kedaya_haitao/common/model/product"
coach_client "gitea.timerzz.com/kedaya_haitao/common/pkg/coach-client"
"github.com/golang/glog"
"github.com/samber/lo"
"gorm.io/gorm"
"gorm.io/gorm/clause"
"time"
)
type Controller struct {
ctx context.Context
client *coach_client.CN
db *gorm.DB
interval time.Duration
}
func NewController(client *coach_client.CN, db *gorm.DB, interval time.Duration) *Controller {
ctl := &Controller{
client: client,
db: db,
interval: interval,
}
ctl.AutoMigrate()
return ctl
}
func (c *Controller) AutoMigrate() {
if err := c.db.AutoMigrate(&productv1.Product{}, &productv1.HistoryPrice{}); err != nil {
panic(err)
}
}
func (c *Controller) Run(ctx context.Context) {
c.ctx = ctx
ticker := time.NewTicker(c.interval)
defer ticker.Stop()
if err := c.Crawl(); err != nil {
glog.Error(err.Error())
} else {
glog.Info("抓取信息成功")
}
for {
select {
case <-ctx.Done():
return
case <-ticker.C:
if err := c.Crawl(); err != nil {
glog.Error(err.Error())
} else {
glog.Info("抓取信息成功")
}
}
}
}
func (c *Controller) Crawl() error {
glog.Info("开始抓取信息")
for page, totalPage := 1, 1; page <= totalPage; page++ {
resp, err := c.client.ListItems(c.ctx, page, 50)
if err != nil {
return fmt.Errorf("访问coach第%d页失败: %w", page, err)
}
totalPage = resp.TotalPages
if err = c.saveRespData(resp.Items); err != nil {
return fmt.Errorf("保存第%d页数据失败: %w", page, err)
}
glog.Infof("第%d页数据保存成功", page)
}
return nil
}
func (c *Controller) saveRespData(list []coach_client.CNItem) error {
var products = make([]productv1.Product, 0, len(list))
for _, item := range list {
products = append(products, productv1.Product{
UpdatedAt: time.Now(),
Name: item.Title,
Pid: item.Code,
Link: fmt.Sprintf("https://www.coachoutlet.cn/products/%s", item.Code),
Image: item.Images[0].Imgs[0].Img,
Orderable: item.Stock > 0,
DiscPercent: 100 - int(item.DiscountRateMin*100),
CNYPrice: item.SkuMaxPrice,
Website: productv1.WebSite_CN_Coach,
})
}
// 去重
products = lo.UniqBy(products, func(p productv1.Product) string {
return p.Pid
})
return c.db.Clauses(clause.OnConflict{
Columns: []clause.Column{{Name: "pid"}},
DoUpdates: clause.AssignmentColumns([]string{"name", "link", "orderable", "cny_price", "rate", "price_status", "disc_percent", "updated_at"}),
}).Create(products).Error
}