136 lines
3.1 KiB
Go
136 lines
3.1 KiB
Go
package inf
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import (
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"context"
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"fmt"
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"log/slog"
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"os"
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"strings"
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"time"
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"github.com/maximotejeda/us_dop_db/db"
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"github.com/maximotejeda/us_dop_scrapper/helpers"
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"github.com/playwright-community/playwright-go"
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)
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var (
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uri = os.Getenv("GENERAL")
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)
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// Scrape
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func Scrape(ctx context.Context, page playwright.Page, log *slog.Logger) (instList []*db.History, err error) {
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log = log.With("scrapper", "general")
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tout := float64(120000)
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if _, err := page.Goto(uri, playwright.PageGotoOptions{
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Timeout: &tout,
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WaitUntil: playwright.WaitUntilStateLoad,
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}); err != nil {
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log.Error("could not get info", "error", err)
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return nil, err
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}
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entriesLocator := page.Locator("table#Dolar > tbody > tr")
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entriesLocator.WaitFor(playwright.LocatorWaitForOptions{
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Timeout: &tout,
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State: playwright.WaitForSelectorStateVisible,
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})
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entries, err := entriesLocator.All()
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if err != nil {
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log.Error("could not get info", "error", err)
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return nil, err
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}
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scotia := false // in this page there are 2 scotia one the change online the other is tha bank
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instList = []*db.History{}
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for _, entry := range entries {
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inst := &db.History{
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Parser: "inf",
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}
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title, _ := entry.Locator("span.nombre").TextContent()
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if strings.ToLower(title) == "scotiabank" && !scotia {
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title = "scotiabank cambio online"
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scotia = true
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}
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name := ""
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if title != "" {
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name = helpers.RemoveAccent(strings.ToLower(title))
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} else {
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continue
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}
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inst.Name = name
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compraLocator, ventaLocator := entry.Locator("td:nth-child(2)"), entry.Locator("td:nth-child(3)")
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compra := getValue(compraLocator)
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venta := getValue(ventaLocator)
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inst.Compra = helpers.Normalize(compra)
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inst.Venta = helpers.Normalize(venta)
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inst.Parsed = time.Now().UTC()
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// if one of the inst has 0 on the sell/buy dont process it
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if inst.Compra == 0 || inst.Venta == 0 {
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log.Warn("skipping", "nombre", inst.Name, "compra", inst.Compra, "venta", inst.Venta)
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continue
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}
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instList = append(instList, inst)
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}
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return instList, nil
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}
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func getValue(place playwright.Locator) string {
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text, _ := place.AllInnerTexts()
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value := ""
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if len(text) <= 0 {
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return ""
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}
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nextList := strings.Split(text[0], " ")
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if len(nextList) > 0 {
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value = strings.Replace(nextList[0], "=", "", 1)
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}
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return value
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}
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// ExecParser
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func ExecParser(
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ctx context.Context,
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db *db.DB,
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browser *playwright.Browser,
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log *slog.Logger) error {
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t := true
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ua := helpers.NewMobileUA()
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b := *browser
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page, err := b.NewPage(playwright.BrowserNewPageOptions{
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UserAgent: &ua,
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// IsMobile: &t,
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HasTouch: &t,
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Viewport: &playwright.Size{
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Width: 412,
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Height: 915,
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},
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Screen: &playwright.Size{
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Width: 412,
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Height: 915,
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},
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})
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if err != nil {
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log.Error("creating page", "error", err)
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os.Exit(1)
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}
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ctx, cancel := context.WithTimeout(ctx, 6*time.Minute)
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defer page.Close()
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defer cancel()
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instList, err := Scrape(ctx, page, log)
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if err != nil {
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return err
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}
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for _, inst := range instList {
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log.Info("processing", "name", inst.Name)
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err = db.Inspect(*inst)
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if err != nil {
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log.Error(fmt.Sprintf("inspecting %s", inst.Name), "error", err)
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}
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}
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return err
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}
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