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