121 lines
2.8 KiB
Go

package bpd
import (
"context"
"fmt"
"log/slog"
"os"
"strconv"
"time"
"github.com/maximotejeda/us_dop_db/db"
"github.com/maximotejeda/us_dop_scrapper/helpers"
"github.com/playwright-community/playwright-go"
)
var (
uri = os.Getenv("BPD")
)
// Scrape
// needs a mobile User Agent
func Scrape(ctx context.Context, page playwright.Page, log *slog.Logger) (inst *db.History, err error) {
tout := 120000.00
//start := time.Now()
log = log.With("scrapper", "bpd")
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
}
//log.Info("Page loaded", "time", time.Since(start).Seconds())
// menu := page.Locator(".footer_est_menu_bpd > li:nth-child(3)")
container := page.Locator("div.tasa.tasa_dolar")
container.WaitFor()
compraInput := page.Locator("input#compra_peso_dolar")
compraInput.WaitFor(playwright.LocatorWaitForOptions{
Timeout: &tout,
State: playwright.WaitForSelectorStateVisible,
})
ventaInput := page.Locator("input#venta_peso_dolar")
ventaInput.WaitFor()
compraSTR, err := compraInput.InputValue()
if err != nil {
log.Error("compra value", "err", err)
return nil, err
}
// log.Info("Compra get value", "time", time.Since(start).Seconds())
ventaSTR, err := ventaInput.InputValue()
if err != nil {
log.Error("compra value", "err", err)
return nil, err
}
inst = &db.History{
Name: "banco popular",
Parser: "bpd",
Parsed: time.Now().UTC(),
}
compra, err := strconv.ParseFloat(compraSTR, 64)
if err != nil {
log.Error("parsing value", "where", "compra", "err", err)
return nil, err
}
venta, err := strconv.ParseFloat(ventaSTR, 64)
if err != nil {
log.Error("parsing value", "where", "venta", "err", err)
return nil, err
}
inst.Compra = compra
inst.Venta = venta
if inst.Compra == 0 || inst.Venta == 0 {
return nil, fmt.Errorf("bpd: institution not parsed")
}
return inst, nil
}
func HoverTasas(page playwright.Page) {
tasasMenu := page.Locator(".footer_est_menu_bpd > li:nth-child(3)")
tasasMenu.Hover()
}
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
}