Deal with hashtags

app_config.go

@@ -148,3 +148,13 @@ func FileExists(path string) (bool, error) {
 	}
 	return true, err
 }
+
+func CreateDirIfNotExist(path string) error {
+	fmt.Println("Making directory", path)
+	exist, _ := FileExists(path)
+	if exist {
+		fmt.Println("Path Exists")
+		return nil
+	}
+	return os.MkdirAll(path, os.ModePerm)
+}

main.go

@@ -75,18 +75,31 @@ func ProcessTimeline(httpClient *http.Client) error {
 
 	for _, t := range tweets {
 		for _, m := range t.Entities.Media {
-			filename := t.Text[:strings.LastIndex(t.Text, " ")]
-			filename = strings.ReplaceAll(filename, " ", "_") + ".jpg"
+			var filenamePts []string
+			txtPts := strings.Fields(t.Text)
+			var subFolder string
+			for _, v := range txtPts {
+				if strings.HasPrefix(v, "http") {
+					break
+				}
+				if v[0] == '#' {
+					if subFolder == "" {
+						subFolder = v[1:]
+					}
+				} else {
+					filenamePts = append(filenamePts, v)
+				}
+			}
+			filename := strings.Join(filenamePts, "_") + ".jpg"
 			create, err := t.CreatedAtTime()
 			if err != nil {
 				create = time.Now()
 			}
-			filename = create.Format("20060102T150405") + "_" + filename
+			filename = subFolder + "/" + create.Format("20060102T150405") + "_" + filename
 			if ImageNeedsDownload(filename) || appConfig.ForceDownload {
 				err = DownloadImage(httpClient, m.MediaURLHttps, filename)
 				if err != nil {
 					PrintIfVerbose("Error downloading image (", m.MediaURLHttps, ")", err.Error(), "\n")
-
 				}
 			}
 		}
@@ -103,6 +116,14 @@ func ImageNeedsDownload(filename string) bool {
 }
 
 func DownloadImage(httpClient *http.Client, url, filename string) error {
+	pts := strings.FieldsFunc(filename, func(c rune) bool { return c == '/' })
+	if len(pts) > 1 {
+		err := CreateDirIfNotExist(appConfig.GetFilePath(pts[0]))
+		if err != nil {
+			fmt.Println(err.Error())
+			return err
+		}
+	}
 	fmt.Println("Downloading ", url, " -> ", filename, "...")
 	imgResp, err := httpClient.Get(url)
 	if err != nil {