added CLI flags

downloader/downloader.go

@@ -8,6 +8,7 @@ import (
 	"os"
 	"path/filepath"
 	"regexp"
+	"sync"
 )
 
 type ContentPageData struct {
@@ -97,9 +98,12 @@ func DownloadSingle(url string, subtitleLang string, parentDirectory string) {
 	fmt.Println()
 }
 
-func DownloadSeason(url string, seasonName string, subtitleLang string) {
+func DownloadSeason(url string, seasonName string, subtitleLang string, maxConcurrent int) {
 	id := ExtractContentId(url)
 	data := GetContentPageData(id)
+	var wg sync.WaitGroup
+    
+    currentConcurrent := 1
     
 	title := data.Data.MainContent.Title
 	seasonList := data.Data.SeasonList
@@ -112,10 +116,22 @@ func DownloadSeason(url string, seasonName string, subtitleLang string) {
 			for _, seasonContent := range season.Contents {
 				parentDirName := title
 				_ = os.Mkdir(parentDirName, os.ModePerm) // dont care if directory fails to create
+                
+                if currentConcurrent < maxConcurrent {
+                    wg.Add(1)
+                    currentConcurrent++
+                    go func() {
+                        defer wg.Done()
+                        fmt.Println("Running in parallel")
+                        DownloadSingle(seasonContent.Url, subtitleLang, parentDirName)
+                    }()
+                } else {
                     DownloadSingle(seasonContent.Url, subtitleLang, parentDirName)
                 }
 			}
 		}
+	}
+	wg.Wait()
 }
 
 func GetContentPageData(contentId string) *ContentPageData {

main.go

@@ -1,18 +1,26 @@
 package main
 
 import (
+	// "fmt"
 	"jupiter_downloader/downloader"
+	"flag"
 )
 
 func main() {
-    // downloader.Download("1038278")
-    downloader.DownloadSingle("https://jupiter.err.ee/1038278/aktuaalne-kaamera", "", "")
-    // downloader.DownloadSingle("https://jupiter.err.ee/1609406782/babulon-berliin", "ET", "")
-    // downloader.DownloadSeason("https://jupiter.err.ee/1235599/babulon-berliin", "4", "ET") 
-    // fs := http.FileServer(http.Dir("static/"))
-    //
-    // http.Handle("/", fs)
-    //
-    // fmt.Println("Listening on 8080")
-    // http.ListenAndServe(":8080", nil)
+	// downloader.DownloadSingle("https://jupiter.err.ee/1038278/aktuaalne-kaamera", "", "")
+	urlParam := flag.String("url", "", "URL of the Jupiter show or movie you want to download")
+
+	seasonNameParam := flag.String("seasonName", "", "Season of the show you want to download")
+    maxConcurrentParam := flag.Int("maxConcurrent", 4, "Parameter to toggle how many episodes to download at the same time")
+
+	subtitleLanguageParam := flag.String("subtitleLanguage", "ET", "Parameter to toggle what subtitles you want to download. (ET, EN). NB! Jupiter may not have subtitles in your language of choice.")
+    
+    flag.Parse()
+    
+    if *seasonNameParam != "" {
+        downloader.DownloadSeason(*urlParam, *seasonNameParam, *subtitleLanguageParam, *maxConcurrentParam)
+    } else {
+        downloader.DownloadSingle(*urlParam, *subtitleLanguageParam, "")
+    }
+    // fmt.Println(*urlParam, *seasonNameParam, *maxConcurrentParam, *subtitleLanguageParam)
 }