105 lines
2.2 KiB
Go

package bcd
import (
"context"
"fmt"
"log/slog"
"os"
"time"
"github.com/maximotejeda/us_dop_db/db"
"github.com/maximotejeda/us_dop_scrapper/helpers"
"github.com/maximotejeda/us_dop_scrapper/models"
"github.com/playwright-community/playwright-go"
)
type bcd struct {
models.Institucion
}
var (
uri = os.Getenv("BCD")
)
func Scrape(ctx context.Context, page playwright.Page, log *slog.Logger) (inst *db.History, err error) {
log = log.With("scrapper", "bcd")
tout := 90000.00
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
}
compraLocator := page.Locator("span#actualPurchaseValue")
compraLocator.WaitFor(playwright.LocatorWaitForOptions{
Timeout: &tout,
State: playwright.WaitForSelectorStateVisible,
})
ventaLocator := page.Locator("span#actualSellingValue")
compra, err := compraLocator.TextContent()
if err != nil {
log.Error("locating compra", "err", err)
return nil, err
}
venta, err := ventaLocator.TextContent()
if err != nil {
log.Error("locating venta", "err", err)
return nil, err
}
inst = &db.History{
Parser: "bcd",
Name: "banco central dominicano",
Parsed: time.Now().UTC(),
}
inst.Compra = helpers.Normalize(compra)
inst.Venta = helpers.Normalize(venta)
if inst.Compra == 0 || inst.Venta == 0 {
return nil, fmt.Errorf("bcd: institution not parsed compra or venta cant be 0")
}
return inst, nil
}
func ExecParser(
ctx context.Context,
db *db.DB,
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 := Scrape(ctx, page, log)
if err != nil {
return err
}
err = db.Inspect(*inst)
return err
}