107 lines
2.4 KiB
Go

package crawler
import (
"context"
"log/slog"
"os"
"time"
"github.com/maximotejeda/us_dop_scrapper/helpers"
"github.com/maximotejeda/us_dop_scrapper/internal/application/core/domain"
"github.com/maximotejeda/us_dop_scrapper/internal/ports"
"github.com/playwright-community/playwright-go"
)
type vimenca struct {
client ports.DollarPort
}
func NewVimenca(client ports.DollarPort) ports.APIPorts {
return &vimenca{
client: client,
}
}
func (v vimenca) Scrape(ctx context.Context, page playwright.Page, log *slog.Logger) (insts []*domain.History, err error) {
uri := os.Getenv("VIMENCA")
tout := 120000.00
log = log.With("scrapper", "vimenca")
if _, err := page.Goto(uri, playwright.PageGotoOptions{
Timeout: &tout,
WaitUntil: playwright.WaitUntilStateLoad,
}); err != nil {
log.Error("could not get info", "error", err)
return nil, err
}
currencyTable := page.Locator(".bns--table")
currencyTable.WaitFor()
infoContainer := page.Locator(".layout-uikit > div:nth-child(1)")
buyInfo := infoContainer.Locator(".purchaseValue")
sellInfo := infoContainer.Locator(".saleValue")
compraSTR, err := buyInfo.InnerText()
if err != nil {
log.Error("could not get compra str", "err", err)
return nil, err
}
ventaSTR, err := sellInfo.InnerText()
if err != nil {
log.Error("could not get venta string", "err", err)
return nil, err
}
inst := &domain.History{
Name: "banco vimenca",
Parser: "vimenca",
Parsed: time.Now().Unix(),
}
inst.Venta = helpers.Normalize(ventaSTR)
inst.Compra = helpers.Normalize(compraSTR)
log.Info("institution", "value", inst)
return []*domain.History{inst}, nil
}
func (v vimenca) ExecParser(
ctx context.Context,
browser *playwright.Browser,
log *slog.Logger) (err error) {
t := true
ua := helpers.NewMobileUA()
b := *browser
page, err := b.NewPage(playwright.BrowserNewPageOptions{
UserAgent: &ua,
// IsMobile: &t,
HasTouch: &t,
Viewport: &playwright.Size{
Width: 412,
Height: 915,
},
Screen: &playwright.Size{
Width: 412,
Height: 915,
},
})
if err != nil {
log.Error("creating page", "error", err)
os.Exit(1)
}
ctx, cancel := context.WithTimeout(ctx, 6*time.Minute)
defer page.Close()
defer cancel()
inst, err := v.Scrape(ctx, page, log)
// here we execute db operations
if err != nil {
return err
}
err = v.client.NewHistory(inst[0])
if err != nil {
return err
}
return err
}