simplify project structure

1 files changed, 83 insertions, 0 deletions

diff --git a/cmd/watch/main.go b/cmd/watch/main.go
new file mode 100644
index 0000000..5065d8b
--- /dev/null
+++ b/cmd/watch/main.go
@@ -0,0 +1,83 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"os"
+
+	"flyscrape"
+
+	"github.com/cornelk/hashmap"
+	"github.com/inancgumus/screen"
+)
+
+func main() {
+	if len(os.Args) != 2 {
+		fmt.Println("Please provide a file to run.")
+		os.Exit(1)
+	}
+
+	cache := hashmap.New[string, string]()
+
+	err := flyscrape.Watch(os.Args[1], func(s string) error {
+		opts, scrape, err := flyscrape.Compile(s)
+		if err == nil {
+			run(cache, opts, scrape)
+		}
+		return nil
+	})
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func run(cache *hashmap.Map[string, string], opts flyscrape.ScrapeOptions, fn flyscrape.ScrapeFunc) {
+	opts.Depth = 0
+
+	svc := flyscrape.Scraper{
+		Concurrency:   20,
+		ScrapeOptions: opts,
+		ScrapeFunc:    fn,
+		FetchFunc: func(url string) (string, error) {
+			if html, ok := cache.Get(url); ok {
+				return html, nil
+			}
+			html, err := fetch(url)
+			if err != nil {
+				return "", err
+			}
+			cache.Set(url, html)
+			return html, nil
+		},
+	}
+
+	result := <-svc.Scrape()
+	if result.Error != nil {
+		fmt.Println(result.Error)
+	}
+
+	screen.Clear()
+	screen.MoveTopLeft()
+
+	enc := json.NewEncoder(os.Stdout)
+	enc.SetEscapeHTML(false)
+	enc.SetIndent("", "   ")
+	enc.Encode(result)
+}
+
+func fetch(url string) (string, error) {
+	resp, err := http.Get(url)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return "", err
+	}
+
+	return string(body), nil
+}