Compare commits
No commits in common. "main" and "summary" have entirely different histories.
16
go.mod
16
go.mod
@ -3,19 +3,19 @@ module gitea.stevedudenhoeffer.com/steve/go-extractor
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go 1.23.2
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require (
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github.com/go-shiori/go-readability v0.0.0-20250217085726-9f5bf5ca7612
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github.com/playwright-community/playwright-go v0.5001.0
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github.com/urfave/cli/v3 v3.0.0-beta1
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golang.org/x/text v0.23.0
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github.com/go-shiori/go-readability v0.0.0-20241012063810-92284fa8a71f
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github.com/playwright-community/playwright-go v0.4802.0
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)
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require (
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github.com/andybalholm/cascadia v1.3.3 // indirect
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github.com/andybalholm/cascadia v1.3.2 // indirect
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github.com/araddon/dateparse v0.0.0-20210429162001-6b43995a97de // indirect
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github.com/deckarep/golang-set/v2 v2.8.0 // indirect
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github.com/go-jose/go-jose/v3 v3.0.4 // indirect
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github.com/deckarep/golang-set/v2 v2.6.0 // indirect
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github.com/go-jose/go-jose/v3 v3.0.3 // indirect
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github.com/go-shiori/dom v0.0.0-20230515143342-73569d674e1c // indirect
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github.com/go-stack/stack v1.8.1 // indirect
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github.com/gogs/chardet v0.0.0-20211120154057-b7413eaefb8f // indirect
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golang.org/x/net v0.37.0 // indirect
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github.com/urfave/cli/v3 v3.0.0-beta1 // indirect
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golang.org/x/net v0.32.0 // indirect
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golang.org/x/text v0.21.0 // indirect
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)
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33
node.go
33
node.go
@ -1,9 +1,6 @@
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package extractor
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import (
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"fmt"
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"strings"
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"github.com/playwright-community/playwright-go"
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)
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@ -20,9 +17,6 @@ type Node interface {
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SelectFirst(selector string) Node
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ForEach(selector string, fn func(Node) error) error
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SetHidden(val bool) error
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SetAttribute(name, value string) error
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}
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type node struct {
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@ -85,30 +79,3 @@ func (n node) ForEach(selector string, fn func(Node) error) error {
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return nil
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}
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func (n node) SetHidden(val bool) error {
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visible, err := n.locator.IsVisible()
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if err != nil {
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return fmt.Errorf("error checking visibility: %w", err)
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}
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if visible == !val {
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return nil
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}
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// Set the hidden property
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_, err = n.locator.Evaluate(fmt.Sprintf(`(element) => element.hidden = %t;`, val), nil)
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if err != nil {
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return fmt.Errorf("error setting hidden property: %w", err)
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}
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return nil
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}
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func escapeJavaScript(s string) string {
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return strings.Replace(strings.Replace(s, "\\", "\\\\", -1), "'", "\\'", -1)
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}
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func (n node) SetAttribute(name, value string) error {
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_, err := n.locator.Evaluate(fmt.Sprintf(`(element) => element.setAttribute('%s', '%s');`, escapeJavaScript(name), escapeJavaScript(value)), nil)
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return err
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}
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@ -4,7 +4,6 @@ import (
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"context"
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"errors"
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"fmt"
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"io"
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"log/slog"
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"time"
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@ -36,10 +35,6 @@ const (
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PlayWrightBrowserSelectionWebKit PlayWrightBrowserSelection = "webkit"
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)
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type Size struct {
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Width int
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Height int
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}
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type PlayWrightBrowserOptions struct {
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UserAgent string // If empty, defaults to "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.0"
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Browser PlayWrightBrowserSelection // If unset defaults to Firefox.
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@ -50,9 +45,6 @@ type PlayWrightBrowserOptions struct {
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CookieJar
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ShowBrowser bool // If false, browser will be headless
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Dimensions Size
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DarkMode bool
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}
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func cookieToPlaywrightOptionalCookie(cookie Cookie) playwright.OptionalCookie {
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@ -83,7 +75,6 @@ func NewPlayWrightBrowser(opts ...PlayWrightBrowserOptions) (Browser, error) {
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UserAgent: "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.0",
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Browser: PlayWrightBrowserSelectionFirefox,
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Timeout: &thirtySeconds,
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DarkMode: false,
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}
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for _, o := range opts {
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@ -99,13 +90,6 @@ func NewPlayWrightBrowser(opts ...PlayWrightBrowserOptions) (Browser, error) {
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if o.CookieJar != nil {
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opt.CookieJar = o.CookieJar
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}
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if o.Dimensions.Width > 0 && o.Dimensions.Height > 0 {
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opt.Dimensions = o.Dimensions
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}
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if o.DarkMode {
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opt.DarkMode = true
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}
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opt.ShowBrowser = o.ShowBrowser
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}
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@ -148,26 +132,8 @@ func NewPlayWrightBrowser(opts ...PlayWrightBrowserOptions) (Browser, error) {
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return nil, err
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}
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var viewport *playwright.Size
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if opt.Dimensions.Width > 0 && opt.Dimensions.Height > 0 {
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viewport = &playwright.Size{
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Width: opt.Dimensions.Width,
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Height: opt.Dimensions.Height,
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}
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}
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var scheme *playwright.ColorScheme
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if opt.DarkMode {
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scheme = playwright.ColorSchemeDark
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} else {
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scheme = playwright.ColorSchemeNoPreference
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}
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c, err := browser.NewContext(playwright.BrowserNewContextOptions{
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UserAgent: playwright.String(opt.UserAgent),
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Viewport: viewport,
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ColorScheme: scheme,
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UserAgent: playwright.String(opt.UserAgent),
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})
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if err != nil {
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return nil, err
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@ -278,33 +244,7 @@ func (b playWrightBrowser) Open(ctx context.Context, url string, opts OpenPageOp
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func (b playWrightBrowser) Close() error {
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return errors.Join(
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b.browser.Close(),
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b.ctx.Close(),
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b.pw.Stop(),
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b.browser.Close(),
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)
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}
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func deferClose(cl io.Closer) {
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_ = cl.Close()
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}
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func Screenshot(ctx context.Context, target string, timeout time.Duration) ([]byte, error) {
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browser, err := NewPlayWrightBrowser(PlayWrightBrowserOptions{
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Timeout: &timeout,
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})
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if err != nil {
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return nil, fmt.Errorf("error creating browser: %w", err)
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}
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defer deferClose(browser)
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doc, err := browser.Open(ctx, target, OpenPageOptions{})
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if err != nil {
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return nil, fmt.Errorf("error opening page: %w", err)
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}
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defer deferClose(doc)
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return doc.Screenshot()
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}
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@ -1,81 +0,0 @@
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package aislegopher
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import (
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"context"
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"errors"
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"fmt"
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"io"
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"net/url"
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"strconv"
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"strings"
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"gitea.stevedudenhoeffer.com/steve/go-extractor"
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)
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type Config struct {
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}
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var DefaultConfig = Config{}
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var (
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ErrInvalidURL = errors.New("invalid url")
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)
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type Item struct {
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ID int
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Name string
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Price float64
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}
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func deferClose(cl io.Closer) {
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if cl != nil {
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_ = cl.Close()
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}
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}
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func GetItemFromURL(ctx context.Context, b extractor.Browser, u *url.URL) (Item, error) {
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return DefaultConfig.GetItemFromURL(ctx, b, u)
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}
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func (c Config) GetItemFromURL(ctx context.Context, b extractor.Browser, u *url.URL) (Item, error) {
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res := Item{}
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// the url will be in the format of aislegopher.com/p/slug/id
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// we need to parse the slug and id from the url
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a := strings.Split(u.Path, "/")
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if len(a) != 4 {
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return res, ErrInvalidURL
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}
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if a[1] != "p" {
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return res, ErrInvalidURL
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}
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if u.Host != "aislegopher.com" && u.Host != "www.aislegopher.com" {
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return res, ErrInvalidURL
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}
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res.ID, _ = strconv.Atoi(a[3])
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doc, err := b.Open(ctx, u.String(), extractor.OpenPageOptions{})
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defer deferClose(doc)
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if err != nil {
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return res, fmt.Errorf("failed to open page: %w", err)
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}
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names := doc.Select("h2.h4")
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if len(names) > 0 {
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res.Name, _ = names[0].Text()
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}
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prices := doc.Select("h4.h2")
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if len(prices) > 0 {
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priceStr, _ := prices[0].Text()
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priceStr = strings.ReplaceAll(priceStr, "$", "")
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priceStr = strings.TrimSpace(priceStr)
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res.Price, _ = strconv.ParseFloat(priceStr, 64)
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}
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return res, nil
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}
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@ -1,77 +0,0 @@
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package main
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import (
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"context"
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"fmt"
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"io"
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"net/url"
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"os"
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"gitea.stevedudenhoeffer.com/steve/go-extractor/cmd/browser/pkg/browser"
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"gitea.stevedudenhoeffer.com/steve/go-extractor/sites/aislegopher"
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"github.com/urfave/cli/v3"
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)
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type AisleGopherFlags []cli.Flag
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var Flags = AisleGopherFlags{}
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func (f AisleGopherFlags) ToConfig(_ *cli.Command) aislegopher.Config {
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res := aislegopher.DefaultConfig
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return res
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}
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func deferClose(cl io.Closer) {
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if cl != nil {
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_ = cl.Close()
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}
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}
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func main() {
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var flags []cli.Flag
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flags = append(flags, browser.Flags...)
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flags = append(flags, Flags...)
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cli := &cli.Command{
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Name: "aislegopher",
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Usage: "AisleGopher is a tool for extracting data from aislegopher.com",
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Flags: flags,
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Action: func(ctx context.Context, c *cli.Command) error {
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cfg := Flags.ToConfig(c)
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b, err := browser.FromCommand(ctx, c)
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if err != nil {
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return fmt.Errorf("failed to create browser: %w", err)
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}
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defer deferClose(b)
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arg := c.Args().First()
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if arg == "" {
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return fmt.Errorf("url is required")
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}
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u, err := url.Parse(arg)
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if err != nil {
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return fmt.Errorf("failed to parse url: %w", err)
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}
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data, err := cfg.GetItemFromURL(ctx, b, u)
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if err != nil {
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return fmt.Errorf("failed to get item from url: %w", err)
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}
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fmt.Printf("Item: %+v\n", data)
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return nil
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},
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}
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|
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err := cli.Run(context.Background(), os.Args)
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||||
|
||||
if err != nil {
|
||||
panic(err)
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}
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||||
}
|
@ -6,11 +6,12 @@ import (
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"os"
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"time"
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||||
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"github.com/urfave/cli/v3"
|
||||
|
||||
"gitea.stevedudenhoeffer.com/steve/go-extractor"
|
||||
|
||||
"gitea.stevedudenhoeffer.com/steve/go-extractor/cmd/browser/pkg/browser"
|
||||
"gitea.stevedudenhoeffer.com/steve/go-extractor/sites/archive"
|
||||
|
||||
"github.com/urfave/cli/v3"
|
||||
)
|
||||
|
||||
type ArchiveFlags []cli.Flag
|
||||
|
@ -1,113 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
"github.com/urfave/cli/v3"
|
||||
"io"
|
||||
"os"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"gitea.stevedudenhoeffer.com/steve/go-extractor/cmd/browser/pkg/browser"
|
||||
"gitea.stevedudenhoeffer.com/steve/go-extractor/sites/duckduckgo"
|
||||
)
|
||||
|
||||
type DuckDuckGoFlags []cli.Flag
|
||||
|
||||
var Flags = DuckDuckGoFlags{
|
||||
&cli.StringFlag{
|
||||
Name: "region",
|
||||
Aliases: []string{"r"},
|
||||
},
|
||||
&cli.StringFlag{
|
||||
Name: "safesearch",
|
||||
Aliases: []string{"s"},
|
||||
},
|
||||
}
|
||||
|
||||
func (f DuckDuckGoFlags) ToConfig(cmd *cli.Command) duckduckgo.Config {
|
||||
var res = duckduckgo.DefaultConfig
|
||||
|
||||
if r := cmd.String("region"); r != "" {
|
||||
res.Region = r
|
||||
}
|
||||
|
||||
if s := cmd.String("safesearch"); s != "" {
|
||||
switch s {
|
||||
case "on":
|
||||
res.SafeSearch = duckduckgo.SafeSearchOn
|
||||
case "moderate":
|
||||
res.SafeSearch = duckduckgo.SafeSearchModerate
|
||||
case "off":
|
||||
res.SafeSearch = duckduckgo.SafeSearchOff
|
||||
default:
|
||||
panic("invalid safe search value")
|
||||
}
|
||||
}
|
||||
|
||||
return res
|
||||
}
|
||||
|
||||
func deferClose(cl io.Closer) {
|
||||
if cl != nil {
|
||||
_ = cl.Close()
|
||||
}
|
||||
}
|
||||
|
||||
func main() {
|
||||
var flags []cli.Flag
|
||||
|
||||
flags = append(flags, browser.Flags...)
|
||||
flags = append(flags, Flags...)
|
||||
|
||||
cli := &cli.Command{
|
||||
Name: "duckduckgo",
|
||||
Usage: "Search DuckDuckGo",
|
||||
Flags: flags,
|
||||
Action: func(ctx context.Context, command *cli.Command) error {
|
||||
c := Flags.ToConfig(command)
|
||||
defer deferClose(nil)
|
||||
|
||||
query := strings.TrimSpace(strings.Join(command.Args().Slice(), " "))
|
||||
|
||||
if query == "" {
|
||||
return cli.Exit("usage: duckduckgo <query>", 1)
|
||||
}
|
||||
|
||||
b, err := browser.FromCommand(ctx, command)
|
||||
defer deferClose(b)
|
||||
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to create browser: %w", err)
|
||||
}
|
||||
|
||||
search, err := c.OpenSearch(ctx, b, query)
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to open search: %w", err)
|
||||
}
|
||||
|
||||
defer deferClose(search)
|
||||
|
||||
res := search.GetResults()
|
||||
fmt.Println("Results:", res)
|
||||
|
||||
err = search.LoadMore()
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to load more: %w", err)
|
||||
}
|
||||
|
||||
time.Sleep(2 * time.Second)
|
||||
res = search.GetResults()
|
||||
fmt.Println("Results:", res)
|
||||
|
||||
return nil
|
||||
},
|
||||
}
|
||||
|
||||
err := cli.Run(context.Background(), os.Args)
|
||||
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
}
|
@ -1,141 +0,0 @@
|
||||
package duckduckgo
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
"io"
|
||||
"log/slog"
|
||||
"net/url"
|
||||
|
||||
"gitea.stevedudenhoeffer.com/steve/go-extractor"
|
||||
)
|
||||
|
||||
type SafeSearch int
|
||||
|
||||
const (
|
||||
SafeSearchOn SafeSearch = 1
|
||||
SafeSearchModerate SafeSearch = -1
|
||||
SafeSearchOff SafeSearch = -2
|
||||
)
|
||||
|
||||
type Config struct {
|
||||
// SafeSearch is the safe-search level to use. If empty, SafeSearchOff will be used.
|
||||
SafeSearch SafeSearch
|
||||
|
||||
// Region is the region to use for the search engine.
|
||||
// See: https://duckduckgo.com/duckduckgo-help-pages/settings/params/ for more values
|
||||
Region string
|
||||
}
|
||||
|
||||
func (c Config) validate() Config {
|
||||
if c.SafeSearch == 0 {
|
||||
c.SafeSearch = SafeSearchOff
|
||||
}
|
||||
|
||||
return c
|
||||
}
|
||||
func (c Config) ToSearchURL(query string) *url.URL {
|
||||
c = c.validate()
|
||||
|
||||
res, _ := url.Parse("https://duckduckgo.com/")
|
||||
|
||||
var vals = res.Query()
|
||||
|
||||
switch c.SafeSearch {
|
||||
case SafeSearchOn:
|
||||
vals.Set("kp", "1")
|
||||
case SafeSearchModerate:
|
||||
vals.Set("kp", "-1")
|
||||
case SafeSearchOff:
|
||||
vals.Set("kp", "-2")
|
||||
}
|
||||
|
||||
if c.Region != "" {
|
||||
vals.Set("kl", c.Region)
|
||||
}
|
||||
|
||||
vals.Set("q", query)
|
||||
|
||||
res.RawQuery = vals.Encode()
|
||||
|
||||
return res
|
||||
}
|
||||
|
||||
var DefaultConfig = Config{
|
||||
SafeSearch: SafeSearchOff,
|
||||
}
|
||||
|
||||
type Result struct {
|
||||
URL string
|
||||
Title string
|
||||
Description string
|
||||
}
|
||||
|
||||
func deferClose(cl io.Closer) {
|
||||
if cl != nil {
|
||||
_ = cl.Close()
|
||||
}
|
||||
}
|
||||
|
||||
func (c Config) OpenSearch(ctx context.Context, b extractor.Browser, query string) (SearchPage, error) {
|
||||
u := c.ToSearchURL(query)
|
||||
|
||||
slog.Info("searching", "url", u, "query", query, "config", c, "browser", b)
|
||||
doc, err := b.Open(ctx, u.String(), extractor.OpenPageOptions{})
|
||||
if err != nil {
|
||||
if doc != nil {
|
||||
_ = doc.Close()
|
||||
}
|
||||
return nil, fmt.Errorf("failed to open url: %w", err)
|
||||
}
|
||||
|
||||
return searchPage{doc}, nil
|
||||
}
|
||||
|
||||
func (c Config) Search(ctx context.Context, b extractor.Browser, query string) ([]Result, error) {
|
||||
u := c.ToSearchURL(query)
|
||||
|
||||
slog.Info("searching", "url", u, "query", query, "config", c, "browser", b)
|
||||
doc, err := b.Open(ctx, u.String(), extractor.OpenPageOptions{})
|
||||
defer deferClose(doc)
|
||||
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("failed to open url: %w", err)
|
||||
}
|
||||
|
||||
var res []Result
|
||||
|
||||
err = doc.ForEach(`article[id^="r1-"]`, func(n extractor.Node) error {
|
||||
var r Result
|
||||
|
||||
links := n.Select(`a[href][target="_self"]`)
|
||||
|
||||
if len(links) == 0 {
|
||||
return nil
|
||||
}
|
||||
|
||||
r.URL, err = links[0].Attr(`href`)
|
||||
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to get link: %w", err)
|
||||
}
|
||||
|
||||
titles := n.Select("h2")
|
||||
|
||||
if len(titles) != 0 {
|
||||
r.Title, _ = titles[0].Text()
|
||||
}
|
||||
|
||||
descriptions := n.Select("span > span")
|
||||
|
||||
if len(descriptions) != 0 {
|
||||
r.Description, _ = descriptions[0].Text()
|
||||
}
|
||||
|
||||
res = append(res, r)
|
||||
|
||||
return nil
|
||||
})
|
||||
|
||||
return res, nil
|
||||
}
|
@ -1,68 +0,0 @@
|
||||
package duckduckgo
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"gitea.stevedudenhoeffer.com/steve/go-extractor"
|
||||
"io"
|
||||
"log/slog"
|
||||
)
|
||||
|
||||
type SearchPage interface {
|
||||
io.Closer
|
||||
GetResults() []Result
|
||||
LoadMore() error
|
||||
}
|
||||
|
||||
type searchPage struct {
|
||||
doc extractor.Document
|
||||
}
|
||||
|
||||
func (s searchPage) GetResults() []Result {
|
||||
var res []Result
|
||||
var err error
|
||||
|
||||
err = s.doc.ForEach(`article[id^="r1-"]`, func(n extractor.Node) error {
|
||||
var r Result
|
||||
|
||||
links := n.Select(`a[href][target="_self"]`)
|
||||
|
||||
if len(links) == 0 {
|
||||
return nil
|
||||
}
|
||||
|
||||
r.URL, err = links[0].Attr(`href`)
|
||||
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to get link: %w", err)
|
||||
}
|
||||
|
||||
titles := n.Select("h2")
|
||||
|
||||
if len(titles) != 0 {
|
||||
r.Title, _ = titles[0].Text()
|
||||
}
|
||||
|
||||
descriptions := n.Select("span > span")
|
||||
|
||||
if len(descriptions) != 0 {
|
||||
r.Description, _ = descriptions[0].Text()
|
||||
}
|
||||
|
||||
res = append(res, r)
|
||||
|
||||
return nil
|
||||
})
|
||||
|
||||
return res
|
||||
}
|
||||
|
||||
func (s searchPage) LoadMore() error {
|
||||
return s.doc.ForEach(`button#more-results`, func(n extractor.Node) error {
|
||||
slog.Info("clicking load more", "node", n)
|
||||
return n.Click()
|
||||
})
|
||||
}
|
||||
|
||||
func (s searchPage) Close() error {
|
||||
return s.doc.Close()
|
||||
}
|
@ -1,95 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
"io"
|
||||
"os"
|
||||
"strings"
|
||||
|
||||
"github.com/urfave/cli/v3"
|
||||
|
||||
"gitea.stevedudenhoeffer.com/steve/go-extractor/cmd/browser/pkg/browser"
|
||||
"gitea.stevedudenhoeffer.com/steve/go-extractor/sites/google"
|
||||
)
|
||||
|
||||
type GoogleFlags []cli.Flag
|
||||
|
||||
var Flags = GoogleFlags{
|
||||
&cli.StringFlag{
|
||||
Name: "domain",
|
||||
Aliases: []string{"d"},
|
||||
Usage: "The base domain to use",
|
||||
},
|
||||
&cli.StringFlag{
|
||||
Name: "language",
|
||||
Aliases: []string{"l"},
|
||||
Usage: "The language to use",
|
||||
},
|
||||
}
|
||||
|
||||
func (f GoogleFlags) ToConfig(_ context.Context, cmd *cli.Command) google.Config {
|
||||
c := google.DefaultConfig
|
||||
|
||||
if d := cmd.String("domain"); d != "" {
|
||||
c.BaseURL = d
|
||||
}
|
||||
|
||||
if l := cmd.String("language"); l != "" {
|
||||
c.Language = l
|
||||
}
|
||||
|
||||
return c
|
||||
}
|
||||
|
||||
func deferClose(cl io.Closer) {
|
||||
if cl != nil {
|
||||
_ = cl.Close()
|
||||
}
|
||||
}
|
||||
|
||||
func main() {
|
||||
var flags []cli.Flag
|
||||
|
||||
flags = append(flags, browser.Flags...)
|
||||
flags = append(flags, Flags...)
|
||||
|
||||
cli := &cli.Command{
|
||||
Name: "google",
|
||||
Usage: "Search Google",
|
||||
Flags: flags,
|
||||
Action: func(ctx context.Context, cli *cli.Command) error {
|
||||
query := strings.Join(cli.Args().Slice(), " ")
|
||||
|
||||
if query == "" {
|
||||
return fmt.Errorf("usage: google <query>")
|
||||
}
|
||||
|
||||
b, err := browser.FromCommand(ctx, cli)
|
||||
|
||||
defer deferClose(b)
|
||||
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
cfg := Flags.ToConfig(ctx, cli)
|
||||
|
||||
res, err := cfg.Search(ctx, b, query)
|
||||
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
fmt.Println(res)
|
||||
|
||||
return nil
|
||||
},
|
||||
}
|
||||
|
||||
err := cli.Run(context.Background(), os.Args)
|
||||
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
}
|
@ -1,144 +0,0 @@
|
||||
package google
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
"io"
|
||||
"net/url"
|
||||
|
||||
"gitea.stevedudenhoeffer.com/steve/go-extractor"
|
||||
)
|
||||
|
||||
type Config struct {
|
||||
// BaseURL is the base URL for the search engine, if empty "google.com" is used
|
||||
BaseURL string
|
||||
|
||||
// Language is the language to use for the search engine, if empty "en" is used
|
||||
Language string
|
||||
|
||||
// Country is the country to use for the search engine, if empty "us" is used
|
||||
Country string
|
||||
}
|
||||
|
||||
var DefaultConfig = Config{
|
||||
BaseURL: "google.com",
|
||||
Language: "en",
|
||||
Country: "us",
|
||||
}
|
||||
|
||||
func (c Config) validate() Config {
|
||||
if c.BaseURL == "" {
|
||||
c.BaseURL = "google.com"
|
||||
}
|
||||
|
||||
if c.Language == "" {
|
||||
c.Language = "en"
|
||||
}
|
||||
|
||||
if c.Country == "" {
|
||||
c.Country = "us"
|
||||
}
|
||||
|
||||
return c
|
||||
}
|
||||
|
||||
type Result struct {
|
||||
URL string
|
||||
Title string
|
||||
Description string
|
||||
}
|
||||
|
||||
func deferClose(cl io.Closer) {
|
||||
if cl != nil {
|
||||
_ = cl.Close()
|
||||
}
|
||||
}
|
||||
|
||||
func (c Config) Search(ctx context.Context, b extractor.Browser, query string) ([]Result, error) {
|
||||
c = c.validate()
|
||||
|
||||
u, err := url.Parse(fmt.Sprintf("https://%s/search?q=%s", c.BaseURL, query))
|
||||
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("invalid url: %w", err)
|
||||
}
|
||||
|
||||
if c.Language != "" {
|
||||
u.Query().Set("hl", c.Language)
|
||||
}
|
||||
|
||||
if c.Country != "" {
|
||||
country := ""
|
||||
switch c.Country {
|
||||
case "us":
|
||||
country = "countryUS"
|
||||
|
||||
case "uk":
|
||||
country = "countryUK"
|
||||
|
||||
case "au":
|
||||
country = "countryAU"
|
||||
|
||||
case "ca":
|
||||
country = "countryCA"
|
||||
}
|
||||
|
||||
if country != "" {
|
||||
u.Query().Set("cr", country)
|
||||
}
|
||||
}
|
||||
|
||||
doc, err := b.Open(ctx, u.String(), extractor.OpenPageOptions{})
|
||||
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("failed to open url: %w", err)
|
||||
}
|
||||
|
||||
defer deferClose(doc)
|
||||
|
||||
var res []Result
|
||||
|
||||
err = doc.ForEach("div.g", func(s extractor.Node) error {
|
||||
var u string
|
||||
var title string
|
||||
var desc string
|
||||
|
||||
// get the first link in the div
|
||||
link := s.Select("a")
|
||||
|
||||
if len(link) == 0 {
|
||||
return nil
|
||||
}
|
||||
|
||||
u, err := link[0].Attr("href")
|
||||
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to get link: %w", err)
|
||||
}
|
||||
|
||||
titles := s.Select("div > div > div a > h3")
|
||||
|
||||
if len(titles) != 0 {
|
||||
title, _ = titles[0].Text()
|
||||
}
|
||||
|
||||
descs := s.Select("div:nth-child(1) > div:nth-child(2) > div:nth-child(1) > span:not([class])")
|
||||
|
||||
if len(descs) != 0 {
|
||||
desc, _ = descs[0].Text()
|
||||
}
|
||||
|
||||
res = append(res, Result{
|
||||
URL: u,
|
||||
Title: title,
|
||||
Description: desc,
|
||||
})
|
||||
return nil
|
||||
})
|
||||
|
||||
return res, err
|
||||
}
|
||||
|
||||
func Search(ctx context.Context, b extractor.Browser, query string) ([]Result, error) {
|
||||
return DefaultConfig.Search(ctx, b, query)
|
||||
}
|
@ -1,81 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
"io"
|
||||
"net/url"
|
||||
"os"
|
||||
|
||||
"gitea.stevedudenhoeffer.com/steve/go-extractor/cmd/browser/pkg/browser"
|
||||
|
||||
"github.com/urfave/cli/v3"
|
||||
|
||||
"gitea.stevedudenhoeffer.com/steve/go-extractor/sites/wegmans"
|
||||
)
|
||||
|
||||
func deferClose(cl io.Closer) {
|
||||
if cl != nil {
|
||||
_ = cl.Close()
|
||||
}
|
||||
}
|
||||
|
||||
type WegmansFlags []cli.Flag
|
||||
|
||||
var Flags = WegmansFlags{}
|
||||
|
||||
func (f WegmansFlags) ToConfig(_ *cli.Command) wegmans.Config {
|
||||
var res = wegmans.DefaultConfig
|
||||
|
||||
return res
|
||||
}
|
||||
|
||||
func main() {
|
||||
var flags []cli.Flag
|
||||
|
||||
flags = append(flags, browser.Flags...)
|
||||
flags = append(flags, Flags...)
|
||||
|
||||
app := &cli.Command{
|
||||
Name: "wegmans",
|
||||
Usage: "Search Wegmans",
|
||||
Flags: flags,
|
||||
Action: func(ctx context.Context, cmd *cli.Command) error {
|
||||
cfg := Flags.ToConfig(cmd)
|
||||
|
||||
b, err := browser.FromCommand(ctx, cmd)
|
||||
defer deferClose(b)
|
||||
|
||||
if err != nil {
|
||||
return fmt.Errorf("error creating browser: %w", err)
|
||||
}
|
||||
arg := cmd.Args().First()
|
||||
|
||||
if arg == "" {
|
||||
return fmt.Errorf("url is required")
|
||||
}
|
||||
|
||||
u, err := url.Parse(arg)
|
||||
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to parse url: %w", err)
|
||||
}
|
||||
|
||||
item, err := cfg.GetItemPrice(ctx, b, u)
|
||||
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to get item price: %w", err)
|
||||
}
|
||||
|
||||
fmt.Println(item)
|
||||
|
||||
return nil
|
||||
},
|
||||
}
|
||||
|
||||
err := app.Run(context.Background(), os.Args)
|
||||
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
}
|
@ -1,118 +0,0 @@
|
||||
package wegmans
|
||||
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
"io"
|
||||
"net/url"
|
||||
"strconv"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"gitea.stevedudenhoeffer.com/steve/go-extractor"
|
||||
)
|
||||
|
||||
type Config struct {
|
||||
}
|
||||
|
||||
var DefaultConfig = Config{}
|
||||
|
||||
var ErrNilBrowser = errors.New("browser is nil")
|
||||
var ErrNilURL = errors.New("url is nil")
|
||||
var ErrInvalidURL = errors.New("invalid url")
|
||||
|
||||
type Item struct {
|
||||
ID int
|
||||
Name string
|
||||
Price float64
|
||||
UnitPrice float64
|
||||
Unit string
|
||||
}
|
||||
|
||||
func deferClose(c io.Closer) {
|
||||
if c != nil {
|
||||
_ = c.Close()
|
||||
}
|
||||
}
|
||||
|
||||
func (c Config) GetItemPrice(ctx context.Context, b extractor.Browser, u *url.URL) (Item, error) {
|
||||
|
||||
if b == nil {
|
||||
return Item{}, ErrNilBrowser
|
||||
}
|
||||
|
||||
if u == nil {
|
||||
return Item{}, ErrNilURL
|
||||
}
|
||||
|
||||
// urls in the format of:
|
||||
// https://shop.wegmans.com/product/24921[/wegmans-frozen-thin-crust-uncured-pepperoni-pizza]
|
||||
// (the slug is optional)
|
||||
|
||||
// get the product ID
|
||||
a := strings.Split(u.Path, "/")
|
||||
|
||||
if len(a) < 3 {
|
||||
return Item{}, ErrInvalidURL
|
||||
}
|
||||
|
||||
if a[1] != "product" {
|
||||
return Item{}, ErrInvalidURL
|
||||
}
|
||||
|
||||
id, _ := strconv.Atoi(a[2])
|
||||
|
||||
if id == 0 {
|
||||
return Item{}, ErrInvalidURL
|
||||
}
|
||||
|
||||
doc, err := b.Open(ctx, u.String(), extractor.OpenPageOptions{})
|
||||
defer deferClose(doc)
|
||||
|
||||
if err != nil {
|
||||
return Item{}, err
|
||||
}
|
||||
|
||||
timeout := 15 * time.Second
|
||||
_ = doc.WaitForNetworkIdle(&timeout)
|
||||
|
||||
res := Item{
|
||||
ID: id,
|
||||
}
|
||||
|
||||
titles := doc.Select("h1[data-test]")
|
||||
|
||||
if len(titles) != 0 {
|
||||
res.Name, _ = titles[0].Text()
|
||||
}
|
||||
|
||||
prices := doc.Select("span[data-test=\"amount\"] span:nth-child(1)")
|
||||
|
||||
if len(prices) != 0 {
|
||||
priceStr, _ := prices[0].Text()
|
||||
priceStr = strings.ReplaceAll(priceStr, "$", "")
|
||||
priceStr = strings.ReplaceAll(priceStr, ",", "")
|
||||
price, _ := strconv.ParseFloat(priceStr, 64)
|
||||
res.Price = price
|
||||
}
|
||||
|
||||
unitPrices := doc.Select(`span[data-test="per-unit-price"]`)
|
||||
|
||||
if len(unitPrices) != 0 {
|
||||
unitPriceStr, _ := unitPrices[0].Text()
|
||||
unitPriceStr = strings.TrimSpace(unitPriceStr)
|
||||
unitPriceStr = strings.ReplaceAll(unitPriceStr, "(", "")
|
||||
unitPriceStr = strings.ReplaceAll(unitPriceStr, ")", "")
|
||||
unitPriceStr = strings.ReplaceAll(unitPriceStr, "$", "")
|
||||
unitPriceStr = strings.ReplaceAll(unitPriceStr, ",", "")
|
||||
|
||||
units := strings.Split(unitPriceStr, "/")
|
||||
|
||||
if len(units) > 1 {
|
||||
res.Unit = strings.TrimSpace(units[1])
|
||||
res.UnitPrice, _ = strconv.ParseFloat(units[0], 64)
|
||||
}
|
||||
}
|
||||
|
||||
return res, nil
|
||||
}
|
Loading…
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Reference in New Issue
Block a user