feat: add -a/--all flag to include concluded courses

cmd/canvasarchiver/main.go

@@ -16,6 +16,7 @@ func main() {
 	filesOnly := flag.Bool("fo", false, "Files only mode - download all files to a single directory without module structure")
 	videosOnly := flag.Bool("vo", false, "Videos only mode - download only Panopto videos to a single directory")
 	me := flag.Bool("me", false, "Download all enrolled courses")
+	all := flag.Bool("a", false, "Include concluded (old) courses when used with -me")
 	moduleNumbers := flag.Bool("n", false, "Prefix modules with order numbers [1], [2], etc.")
 	flag.Parse()
 
@@ -29,7 +30,7 @@ func main() {
 	}
 
 	if *me {
-		canvasClient := canvas.NewClient(httpClient, accessToken, "", *filesOnly, *videosOnly, *moduleNumbers)
+		canvasClient := canvas.NewClient(httpClient, accessToken, "", *filesOnly, *videosOnly, *moduleNumbers, *all)
 		courses, err := canvasClient.GetEnrolledCourses()
 		if err != nil {
 			fmt.Printf("Error fetching courses: %v\n", err)
@@ -39,7 +40,7 @@ func main() {
 		fmt.Printf("[+] Found %d enrolled courses\n", len(courses))
 		for _, course := range courses {
 			fmt.Printf("  -> Downloading: %s (ID: %d)\n", course.Name, course.ID)
-			downloadCourse(httpClient, accessToken, fmt.Sprintf("%d", course.ID), *filesOnly, *videosOnly, *moduleNumbers)
+			downloadCourse(httpClient, accessToken, fmt.Sprintf("%d", course.ID), *filesOnly, *videosOnly, *moduleNumbers, *all)
 		}
 		return
 	}
@@ -48,11 +49,11 @@ func main() {
 	fmt.Print("Enter Course ID: ")
 	fmt.Scanln(&courseID)
 
-	downloadCourse(httpClient, accessToken, courseID, *filesOnly, *videosOnly, *moduleNumbers)
+	downloadCourse(httpClient, accessToken, courseID, *filesOnly, *videosOnly, *moduleNumbers, *all)
 }
 
-func downloadCourse(httpClient *http.Client, accessToken, courseID string, filesOnly, videosOnly, moduleNumbers bool) {
-	canvasClient := canvas.NewClient(httpClient, accessToken, courseID, filesOnly, videosOnly, moduleNumbers)
+func downloadCourse(httpClient *http.Client, accessToken, courseID string, filesOnly, videosOnly, moduleNumbers, all bool) {
+	canvasClient := canvas.NewClient(httpClient, accessToken, courseID, filesOnly, videosOnly, moduleNumbers, all)
 
 	if err := canvasClient.GetCourseInfo(); err != nil {
 		fmt.Printf("Error: %v\n", err)

internal/canvas/client.go

@@ -31,10 +31,11 @@ type Client struct {
 	FilesOnly       bool
 	VideosOnly      bool
 	ModuleNumbers   bool
+	All             bool
 	downloadedFiles map[string]bool
 }
 
-func NewClient(httpClient *http.Client, accessToken, courseID string, filesOnly, videosOnly, moduleNumbers bool) *Client {
+func NewClient(httpClient *http.Client, accessToken, courseID string, filesOnly, videosOnly, moduleNumbers, all bool) *Client {
 	return &Client{
 		HTTPClient:      httpClient,
 		AccessToken:     accessToken,
@@ -42,6 +43,7 @@ func NewClient(httpClient *http.Client, accessToken, courseID string, filesOnly,
 		FilesOnly:       filesOnly,
 		VideosOnly:      videosOnly,
 		ModuleNumbers:   moduleNumbers,
+		All:             all,
 		downloadedFiles: make(map[string]bool),
 	}
 }
@@ -66,6 +68,11 @@ func (c *Client) GetCourseInfo() error {
 	return nil
 }
 
+type enrollmentResponse struct {
+	CourseID   int    `json:"course_id"`
+	EnrollmentState string `json:"enrollment_state"`
+}
+
 func (c *Client) GetEnrolledCourses() ([]models.Course, error) {
 	req, _ := http.NewRequest("GET", fmt.Sprintf("%s/api/v1/courses?enrollment_state=active&per_page=100", config.BaseURL), nil)
 	req.Header.Set("Authorization", "Bearer "+c.AccessToken)
@@ -81,6 +88,50 @@ func (c *Client) GetEnrolledCourses() ([]models.Course, error) {
 
 	var courses []models.Course
 	json.NewDecoder(resp.Body).Decode(&courses)
+
+	if c.All {
+		completed, err := c.getCompletedCourses()
+		if err != nil {
+			return nil, err
+		}
+		courses = append(courses, completed...)
+	}
+
+	return courses, nil
+}
+
+func (c *Client) getCompletedCourses() ([]models.Course, error) {
+	req, _ := http.NewRequest("GET", fmt.Sprintf("%s/api/v1/users/self/enrollments?state[]=completed&per_page=100", config.BaseURL), nil)
+	req.Header.Set("Authorization", "Bearer "+c.AccessToken)
+	resp, err := c.HTTPClient.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	if err := checkAPIResponse(resp); err != nil {
+		return nil, err
+	}
+
+	var enrollments []enrollmentResponse
+	json.NewDecoder(resp.Body).Decode(&enrollments)
+
+	var courses []models.Course
+	for _, e := range enrollments {
+		courseReq, _ := http.NewRequest("GET", fmt.Sprintf("%s/api/v1/courses/%d", config.BaseURL, e.CourseID), nil)
+		courseReq.Header.Set("Authorization", "Bearer "+c.AccessToken)
+		courseResp, err := c.HTTPClient.Do(courseReq)
+		if err != nil {
+			continue
+		}
+		var course models.Course
+		json.NewDecoder(courseResp.Body).Decode(&course)
+		courseResp.Body.Close()
+		if course.ID != 0 {
+			courses = append(courses, course)
+		}
+	}
+
 	return courses, nil
 }