60 lines
1.6 KiB
Go
60 lines
1.6 KiB
Go
package mandarake
|
|
|
|
import (
|
|
"context"
|
|
"github.com/chromedp/chromedp"
|
|
log "github.com/sirupsen/logrus"
|
|
"sync"
|
|
"task-processor/internal/appState"
|
|
"task-processor/internal/shared"
|
|
)
|
|
|
|
func (s *Parser) HandleTasks(tasks []shared.Task, sender chan shared.TaskResult, state *appState.State) {
|
|
log.Debug(logHeader + logWorker + "handling tasks")
|
|
|
|
allocCtx, allocCancel := chromedp.NewRemoteAllocator(s.baseCtx, s.externalBrowser)
|
|
|
|
receiver := make(chan shared.Task, len(tasks))
|
|
for _, task := range tasks {
|
|
receiver <- task
|
|
}
|
|
close(receiver)
|
|
|
|
wg := sync.WaitGroup{}
|
|
for i := 0; i < s.goroutinesNumber; i++ {
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
s.worker(allocCtx, receiver, sender, state)
|
|
}()
|
|
}
|
|
wg.Wait()
|
|
allocCancel()
|
|
log.Debug(logHeader + logWorker + "finished handling tasks")
|
|
}
|
|
|
|
func (s *Parser) worker(ctx context.Context, receiver chan shared.Task, sender chan shared.TaskResult, state *appState.State) {
|
|
pageCtx, pageCancel := chromedp.NewContext(ctx, chromedp.WithLogf(log.Printf))
|
|
defer pageCancel()
|
|
|
|
for task := range receiver {
|
|
log.WithField("task_uuid", task.MerchUuid).Debug(logHeader + logWorker + "processing task")
|
|
|
|
price, err := s.getPrice(pageCtx, task)
|
|
if err != nil {
|
|
log.WithField("task_uuid", task.MerchUuid).Warn(logHeader + logWorker + logTaskWarning + "failed to process, zero price")
|
|
sender <- shared.TaskResult{
|
|
MerchUuid: task.MerchUuid,
|
|
Origin: task.Origin,
|
|
Price: zeroPrice,
|
|
}
|
|
continue
|
|
}
|
|
|
|
sender <- shared.TaskResult{
|
|
MerchUuid: task.MerchUuid,
|
|
Origin: task.Origin,
|
|
Price: price,
|
|
}
|
|
}
|
|
}
|