58 lines
1.7 KiB
Go
58 lines
1.7 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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"runtime"
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"sync"
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"task-processor/internal/appState"
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"task-processor/internal/shared"
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)
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func (s *Parser) HandleTasks(ctx context.Context, tasks []shared.Task, sender chan shared.TaskResult, state *appState.State) {
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log.Infof("%v %v handling tasks", logHeader, logWorker)
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allocCtx, allocCancel := chromedp.NewRemoteAllocator(ctx, s.externalBrowser)
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defer allocCancel()
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receiver := make(chan shared.Task, len(tasks))
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for _, task := range tasks {
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receiver <- task
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}
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close(receiver)
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log.Debugf("%v gorutines before wait group: %v", logHeader, runtime.NumGoroutine())
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wg := sync.WaitGroup{}
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for i := 0; i < s.goroutinesNumber; i++ {
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wg.Add(1)
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go func() {
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defer wg.Done()
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s.worker(allocCtx, receiver, sender)
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}()
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}
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wg.Wait()
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log.Debugf("%v gorutines after wait group: %v", logHeader, runtime.NumGoroutine())
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log.Infof(logHeader + logWorker + "finished handling tasks")
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}
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func (s *Parser) worker(ctx context.Context, receiver chan shared.Task, sender chan shared.TaskResult) {
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for task := range receiver {
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taskCtx, taskCancel := chromedp.NewContext(ctx /* chromedp.WithLogf(log.Printf) */, chromedp.WithLogf(func(string, ...any) {}))
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timeoutCtx, timeoutCancel := context.WithTimeout(taskCtx, s.taskTimeout)
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log.WithField("task_uuid", task.MerchUuid).Infof("%v %v processing task", logHeader, logWorker)
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//price will be zeroPrice value in case of any error or if price not found
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price := s.getMinimalPrice(timeoutCtx, task)
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sender <- shared.TaskResult{
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MerchUuid: task.MerchUuid,
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Origin: task.Origin,
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Price: price,
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}
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timeoutCancel()
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taskCancel()
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}
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}
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