add video-only mode

internal/canvas/client.go

@@ -22,16 +22,18 @@ type Client struct {
 	CourseID        string
 	CourseName      string
 	FilesOnly       bool
+	VideosOnly      bool
 	ModuleNumbers   bool
 	downloadedFiles map[string]bool
 }
 
-func NewClient(httpClient *http.Client, accessToken, courseID string, filesOnly, moduleNumbers bool) *Client {
+func NewClient(httpClient *http.Client, accessToken, courseID string, filesOnly, videosOnly, moduleNumbers bool) *Client {
 	return &Client{
 		HTTPClient:      httpClient,
 		AccessToken:     accessToken,
 		CourseID:        courseID,
 		FilesOnly:       filesOnly,
+		VideosOnly:      videosOnly,
 		ModuleNumbers:   moduleNumbers,
 		downloadedFiles: make(map[string]bool),
 	}
@@ -68,6 +70,10 @@ func (c *Client) GetEnrolledCourses() ([]models.Course, error) {
 }
 
 func (c *Client) DownloadCourseFiles(root string) {
+	if c.VideosOnly {
+		fmt.Println("\n[*] Skipping regular course files (videos only mode)")
+		return
+	}
 	fmt.Println("\n[*] Fetching regular course files...")
 
 	fReq, _ := http.NewRequest("GET", fmt.Sprintf("%s/api/v1/courses/%s/folders?per_page=100", config.BaseURL, c.CourseID), nil)
@@ -164,14 +170,19 @@ func (c *Client) DownloadModules(courseRoot string) {
 			modName = fmt.Sprintf("[%d] %s", i+1, mod.Name)
 		}
 
+		// In videos-only mode everything goes flat into courseRoot.
+		// In files-only mode everything goes flat into courseRoot.
+		// Otherwise use the structured Modules/<name> path.
 		modBaseDir := courseRoot
-		if !c.FilesOnly {
+		if !c.FilesOnly && !c.VideosOnly {
 			modBaseDir = filepath.Join(courseRoot, "Modules", utils.Sanitize(modName))
 		}
 		os.MkdirAll(modBaseDir, 0o755)
 
-		if !c.FilesOnly {
+		if !c.FilesOnly && !c.VideosOnly {
 			fmt.Printf("\n[Module] %s\n", modName)
+		} else if c.VideosOnly {
+			fmt.Printf("\n[Module] %s (scanning for videos)\n", modName)
 		}
 
 		subHeaderStack := []string{}
@@ -179,15 +190,16 @@ func (c *Client) DownloadModules(courseRoot string) {
 
 		for _, item := range mod.Items {
 
+			// In videos-only mode always download to the flat courseRoot.
 			targetDir := modBaseDir
-			if len(subHeaderStack) > 0 && !c.FilesOnly {
+			if len(subHeaderStack) > 0 && !c.FilesOnly && !c.VideosOnly {
 				targetDir = filepath.Join(modBaseDir, filepath.Join(subHeaderStack...))
 			}
 			os.MkdirAll(targetDir, 0o755)
 
 			switch item.Type {
 			case "SubHeader":
-				if c.FilesOnly {
+				if c.FilesOnly || c.VideosOnly {
 					continue
 				}
 				currentIndent := item.Indent
@@ -207,6 +219,9 @@ func (c *Client) DownloadModules(courseRoot string) {
 				fmt.Printf("%s--- %s ---\n", indent, item.Title)
 
 			case "File":
+				if c.VideosOnly {
+					continue
+				}
 				c.downloadModuleFile(item, targetDir)
 
 			case "ExternalTool":