fixed issue where it would write the jobs twice

scraper.go

@@ -40,13 +40,27 @@ func skillChecker(description string) skills {
 		Typescript: strings.Contains(description, "TypeScript"),
 	}
 }
+func jobsToJson(file *os.File) {
+	// Encode jobs slice to JSON
+	encoder := json.NewEncoder(file)
+	encoder.SetIndent("", "  ") // Pretty-print with indentation
+	if err := encoder.Encode(jobs); err != nil {
+		log.Fatalf("Cannot write to file %q: %s", fName, err)
+	}
+
+	fmt.Println("Job details successfully written to", fName)
+}
 
 // Slice to store job details
-var jobs []job
+var (
+	jobs     []job
+	jobCount int
+	maxJobs  int    = 30
+	fName    string = "jobs.json"
+)
 
 func main() {
 
-	fName := "jobs.json"
 	file, err := os.Create(fName)
 	if err != nil {
 		log.Fatalf("Cannot create file %q: %s", fName, err)
@@ -69,6 +83,8 @@ func main() {
 	detailsCollector := c.Clone()
 	// On every <div> element with class "card__content attribute call callback
 	c.OnHTML("div[class=card__content]", func(e *colly.HTMLElement) {
+		//ensure only scrape the amount of jobs specified
+
 		// Get the title and ensure it doesn't contain any excluded words
 		title := e.ChildText("span.card-job-find-list__position")
 		for _, excludedWord := range excluded {
@@ -80,15 +96,16 @@ func main() {
 		fullLink := baseUrl + link
 
 		detailsCollector.Visit(fullLink)
+
 	})
 
 	detailsCollector.OnRequest(func(r *colly.Request) {
 		fmt.Println("Visiting", r.URL.String())
 	})
 
-	detailsCollector.OnHTML("div.view-job-details", func(e *colly.HTMLElement) {
+	detailsCollector.OnHTML("div[class='view-job-details']", func(e *colly.HTMLElement) {
-		// Get logo and trim the url
 
+		// Get logo and trim the url
 		logo := e.ChildAttr("div.media-item__image", "style")
 		cutLeft := "background-image:url("
 		cutRight := ");"
@@ -106,6 +123,12 @@ func main() {
 			Skills:      skillChecker(e.ChildText("content.text-block__content > span")),
 		}
 		jobs = append(jobs, jobDetails)
+		jobCount++
+		fmt.Println("Scraped job", jobCount)
+		if jobCount == maxJobs {
+			jobsToJson(file)
+			os.Exit(0)
+		}
 	})
 	// Handle pagination
 	c.OnHTML("a.page-link", func(e *colly.HTMLElement) {
@@ -119,12 +142,4 @@ func main() {
 
 	c.Visit(searchString)
 
-	// Encode jobs slice to JSON
-	encoder := json.NewEncoder(file)
-	encoder.SetIndent("", "  ") // Pretty-print with indentation
-	if err := encoder.Encode(jobs); err != nil {
-		log.Fatalf("Cannot write to file %q: %s", fName, err)
-	}
-
-	fmt.Println("Job details successfully written to", fName)
 }