90 lines
2.4 KiB
Go
90 lines
2.4 KiB
Go
package mandarake
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import (
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"context"
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"github.com/chromedp/chromedp"
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log "github.com/sirupsen/logrus"
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"regexp"
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"slices"
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"strconv"
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"strings"
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"task-processor/internal/shared"
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)
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func (s *Parser) getPrice(ctx context.Context, task shared.Task) (int32, error) {
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var (
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singlePrice string
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rangedPrice string
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prices []int32
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)
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//get single price
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if err := chromedp.Run(ctx,
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chromedp.Navigate(task.Link),
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chromedp.WaitReady("body"),
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chromedp.WaitVisible(`div.price`, chromedp.ByQuery),
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chromedp.Text(`div.price`, &singlePrice, chromedp.ByQuery),
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); err != nil {
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log.WithError(err).Error(logHeader + logGetPrice + "failed to get single price tag")
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return zeroPrice, err
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}
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singlePrice = strings.TrimSpace(singlePrice)
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prices = append(prices, s.getSinglePriceWithTax(singlePrice))
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//get price range
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if err := chromedp.Run(ctx,
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chromedp.Navigate(task.Link),
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chromedp.WaitReady("body"),
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chromedp.WaitVisible(`price_range`, chromedp.ByQuery),
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chromedp.Text(`price_range`, &rangedPrice, chromedp.ByQuery),
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); err != nil {
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log.WithError(err).Warn(logHeader + logGetPrice + "failed to get ranged price tag")
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}
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rangedPrice = strings.TrimSpace(rangedPrice)
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if rangedPrice != "" {
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prices = append(prices, s.getMinimalPriceFromRangeWithTax(rangedPrice))
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}
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//get minimal price
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minimal := slices.Min(prices)
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log.Infof(logHeader+"uuid: %s, price: %d", task.MerchUuid, minimal)
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return minimal, nil
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}
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func (s *Parser) getSinglePriceWithTax(rawPrice string) int32 {
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re := regexp.MustCompile(`(\d+)\s*円`)
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matches := re.FindStringSubmatch(rawPrice)
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if len(matches) < 2 {
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log.Error("Mandarake | Single price not found, returning zero price")
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return zeroPrice
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}
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priceStr := matches[1]
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price, err := strconv.Atoi(priceStr)
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if err != nil {
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log.Error("Mandarake | Failed to convert single price, returning zero price")
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return zeroPrice
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}
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return int32(price)
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}
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func (s *Parser) getMinimalPriceFromRangeWithTax(priceRange string) int32 {
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re := regexp.MustCompile(`他([\d,]+)円`)
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matches := re.FindStringSubmatch(priceRange)
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if len(matches) < 2 {
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log.Error("Price not found in range, returning zero price")
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return zeroPrice
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}
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priceStr := strings.ReplaceAll(matches[1], ",", "")
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price, err := strconv.Atoi(priceStr)
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if err != nil {
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log.Error("Failed to convert minimal price in range, returning zero price")
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return zeroPrice
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}
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return int32(float64(price) * taxMultiplier)
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}
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