change default save location and add go mod

go.mod

@@ -0,0 +1,3 @@
+module imagecrawler
+
+go 1.24.3

imagecrawler.go

@@ -9,7 +9,6 @@ import (
 	"net/http"
 	"net/url"
 	"os"
-	"os/user"
 	"strconv"
 	"strings"
 	"sync"
@@ -44,7 +43,7 @@ func main() {
 	page := 1
 	ratio := 0.0
 
-	flag.StringVar(&path, "dir", "unnamed", "Directory to safe pictures. Default is %HOME/pictures/konachan/unnamed")
+	flag.StringVar(&path, "dir", "", "Path to safe pictures. Default is '~/pictures/$site/$tags'")
 	flag.BoolVar(&safemode, "safe", false, "Safemode to filter NSFW pictures. Default is false")
 	flag.StringVar(&tags, "tags", "", "Tags used to filter search query.")
 	flag.StringVar(&aspect, "aspect", "", "Aspect ratio pics should have")
@@ -52,19 +51,27 @@ func main() {
 
 	flag.Parse()
 
-	// set home directory and create it to save pictures in
+	// get the UserHomeDir
-	homepath, err := user.Current()
+	homedir, err := os.UserHomeDir()
 	if err != nil {
 		log.Fatal(err)
 	}
-	filepath := strings.Join([]string{homepath.HomeDir, "pictures", site, strings.TrimSuffix(path, "\n")}, "/")
-	os.MkdirAll(filepath, 0700)
 
 	// edit tags array to met API requirement
+	tags = strings.Replace(tags, " ", "_", -1)
 	tags = strings.Replace(tags, ",", "+", -1)
 	tags = strings.Replace(tags, "=", ":", -1)
 	tags = strings.TrimSuffix(tags, "\n")
 
+	// set the path based on variable or tags
+	default_path := strings.Join([]string{homedir, "pictures", site, tags}, "/")
+	filepath := default_path
+	if path != "" {
+		filepath = path
+	}
+
+	os.MkdirAll(filepath, 0644)
+
 	// calculate aspect ratio
 	if isFlagPassed("aspect") {
 		aspectSlice := strings.Split(aspect, ":")
@@ -79,9 +86,9 @@ func main() {
 
 		fmt.Println("Page: ", page)
 
-		website := fmt.Sprintf("https://konachan.com/post.json?page=%d&tags=%s", page, tags)
+		website := fmt.Sprintf("https://konachan.com/post.json?limit=100&page=%d&tags=%s", page, tags)
 		if safemode {
-			website = fmt.Sprintf("https://konachan.com/post.json?page=%d&tags=%s+rating:safe", page, tags)
+			website = fmt.Sprintf("https://konachan.com/post.json?limit=100&page=%d&tags=%s+rating:safe", page, tags)
 		}
 
 		if site == "danbooru" {
@@ -91,7 +98,16 @@ func main() {
 			}
 		}
 
-		picList := openConnection(website)
+		response := requestAPI(website)
+		fmt.Println(response.StatusCode)
+		if response.StatusCode == 421 {
+			time.Sleep(1 * time.Second)
+		}
+		if response.StatusCode != 200 {
+			defer response.Body.Close()
+			continue
+		}
+		picList := getJSON(response)
 		pictures, count := parseMaps(picList, ratio)
 
 		picHits = count
@@ -117,15 +133,19 @@ func isFlagPassed(name string) bool {
 }
 
 // function to create the connection to konachan and get the API response
-func openConnection(url string) []picture {
+func requestAPI(url string) *http.Response {
-	var f []picture
-
 	result, err := http.Get(url)
 	if err != nil {
 		log.Fatal(err)
 	}
-	defer result.Body.Close()
 
+	return result
+}
+
+func getJSON(result *http.Response) []picture {
+	var f []picture
+
+	defer result.Body.Close()
 	data, err := io.ReadAll(result.Body)
 	if err != nil {
 		log.Fatal(err)