Refactored, renamed, and reorganized code

internal/util/util.go

@@ -0,0 +1,60 @@
+package util
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"time"
+)
+
+func PathExists(path string) (bool, error) {
+    _, err := os.Stat(path)
+    if err == nil { return true, nil }
+    if os.IsNotExist(err) { return false, nil }
+    return false, err
+}
+
+func MakeRequest(url string, httpMethod string, body []byte, headers map[string]string) (*http.Response, []byte, error) {
+	// url := getSmdEndpointUrl(endpoint)
+	req, _ := http.NewRequest(httpMethod, url, bytes.NewBuffer(body))
+	req.Header.Add("User-Agent", "magellan")
+	for k, v := range headers {
+		req.Header.Add(k, v)
+	}
+	res, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil, nil, fmt.Errorf("could not make request: %v", err)
+	}
+	b, err := io.ReadAll(res.Body)
+	res.Body.Close()
+	if err != nil {
+		return nil, nil, fmt.Errorf("could not read response body: %v", err)
+	}
+	return res, b, err
+}
+
+func MakeOutputDirectory(path string) (string, error) {
+    // get the current data + time using Go's stupid formatting
+    t := time.Now()
+    dirname := t.Format("2006-01-01 15:04:05")
+    final := path + "/" + dirname
+
+	// check if path is valid and directory
+    pathExists, err := PathExists(final); 
+    if err != nil {
+        return final, fmt.Errorf("could not check for existing path: %v", err) 
+    }
+	if pathExists {
+        // make sure it is directory with 0o644 permissions
+        return final, fmt.Errorf("found existing path: %v", final)
+    }
+	
+	// create directory with data + time
+	err = os.MkdirAll(final, 0766)
+	if err != nil {
+		return final, fmt.Errorf("could not make directory: %v", err)
+	}
+	return final, nil
+}