public ItemInfo SaveContent(int course_id, string new_html, string question_id, string answer_id, bool comment)
{
switch (type)
{
case "Page":
CanvasPage new_page = CanvasApi.PostNewPageContent(course_id, page.url, new_html);
page = new_page;
break;
case "Discussion":
CanvasDiscussionTopic new_topic = CanvasApi.PostNewDiscussionMessage(course_id, discussion.id, new_html);
discussion = new_topic;
break;
case "Assignment":
CanvasAssignment new_assignment = CanvasApi.PostNewAssignmentDescription(course_id, assignment.id, new_html);
assignment = new_assignment;
break;
case "Quiz":
if (question_id == "")
{
CanvasQuiz new_quiz = CanvasApi.PostNewQuizDescription(course_id, quiz.id, new_html);
quiz = new_quiz;
break;
}
var q = quiz_questions[int.Parse(question_id)];
if (answer_id == "")
{
CanvasQuizQuesiton new_q = CanvasApi.PostNewQuizQuestionText(course_id, quiz.id, q.id, new_html);
q = new_q;
break;
}
if (comment)
{
q.answers[int.Parse(answer_id)].answer_comments = new_html;
CanvasQuizQuesiton new_q = CanvasApi.PostNewQuizQuestionAnswerComment(course_id, quiz.id, q.id, q.answers);
quiz_questions[int.Parse(question_id)] = new_q;
}
else
{
q.answers[int.Parse(answer_id)].html = new_html;
CanvasQuizQuesiton new_q = CanvasApi.PostNewQuizQuestionAnswer(course_id, quiz.id, q.id, q.answers);
quiz_questions[int.Parse(question_id)] = new_q;
}
break;
default:
break;
}
return(this);
}
public CourseInfo(int course_id)
{
//Constructor for a canvas course ID number
this.CourseIdOrPath = course_id;
//Get the course information with API
CanvasCourse course_info = CanvasApi.GetCanvasCourse(course_id);
CourseName = course_info.name;
CourseCode = course_info.course_code;
//Need to make sure the HtmlList is initialized so we can store all of the info
PageHtmlList = new List <Dictionary <string, string> >();
PageInfoList = new List <Dictionary <string, ItemInfo> >();
var options = new ParallelOptions {
MaxDegreeOfParallelism = -1
};
//Begin to loop through all modules of the course
Parallel.ForEach(CanvasApi.GetCanvasModules(course_id), options, module =>
{
//Console.WriteLine(module.name);
//Loop through all the items for each module
Parallel.ForEach(CanvasApi.GetCanvasModuleItems(course_id, module.id), options, item =>
{
wait_for_rate_limit:
//The object to connect the item location and its HTML body
Dictionary <string, string> LocationAndBody = new Dictionary <string, string>();
Dictionary <string, ItemInfo> PageInfoItem = new Dictionary <string, ItemInfo>();
if (item.url == null)
{
return;
}
PageInfoItem[item.url] = new ItemInfo();
PageInfoItem[item.url].type = item.type;
//Console.WriteLine(item.title);
try //This try block is just in case we are not authroized to access any of these pages
{
switch (item.type)
{ //Need to see what type of item it is to determine request needed
case "Page":
CanvasPage page = CanvasApi.GetCanvasPage(course_id, item.page_url);
LocationAndBody[item.url] = page.body;
PageInfoItem[item.url].page = page;
break;
case "Discussion":
CanvasDiscussionTopic discussion = CanvasApi.GetCanvasDiscussionTopics(course_id, item.content_id);
LocationAndBody[item.url] = discussion.message;
PageInfoItem[item.url].discussion = discussion;
break;
case "Assignment":
CanvasAssignment assignment = CanvasApi.GetCanvasAssignments(course_id, item.content_id);
LocationAndBody[item.url] = assignment.description;
PageInfoItem[item.url].assignment = assignment;
break;
case "Quiz":
CanvasQuiz quiz = CanvasApi.GetCanvasQuizzes(course_id, item.content_id);
LocationAndBody[item.url] = quiz.description;
PageInfoItem[item.url].quiz = quiz;
PageInfoItem[item.url].quiz_questions = new List <CanvasQuizQuesiton>();
try
{ //Quizes require more as we need to gather question and answer info
//Again may be able to see basic quiz but not authorized for quiz questions, this the try block.
//Loop through all questions for specific quiz
int question_number = 0;
foreach (CanvasQuizQuesiton question in CanvasApi.GetCanvasQuizQuesitons(course_id, item.content_id))
{
PageInfoItem[item.url].quiz_questions.Add(question);
Dictionary <string, string> LAndB = new Dictionary <string, string>();
LAndB[item.url + $"?question_num={question_number}"] = question.question_text;
lock (PageHtmlList)
{
PageHtmlList.Add(LAndB);
}
int answer_num = 0;
int answer_comment_num = 0;
//Loop through all answers in the quiz
foreach (CanvasQuizQuestionAnswers answer in question.answers)
{
Dictionary <string, string> answerDict = new Dictionary <string, string>();
answerDict[item.url + $"?question_num={question_number}&answer_num={answer_num}"] = "\n" + answer?.html;
lock (PageHtmlList)
{
PageHtmlList.Add(answerDict);
}
Dictionary <string, string> commentDict = new Dictionary <string, string>();
commentDict[item.url + $"?question_num={question_number}&answer_comment={answer_comment_num}"] = "\n" + answer?.comments_html;
lock (PageHtmlList)
{
PageHtmlList.Add(commentDict);
}
answer_comment_num++;
answer_num++;
}
question_number++;
}
}
catch (Exception e)
{
//Check if the exception was an unauthorized request
if (e.Message.Contains("Unauthorized"))
{
//Console.WriteLine("ERROR: (401) Unauthorized, can not search quiz questions. Skipping...");
}
else
{
//Console.WriteLine("{0}", e);
}
}
break;
default:
//Console.WriteLine($"Not Supported:\n{item.type}");
LocationAndBody["Empty"] = null;
break;
}
//Add the location and HTML body to the List
lock (PageHtmlList)
{
PageHtmlList.Add(LocationAndBody);
}
lock (PageInfoList)
{
PageInfoList.Add(PageInfoItem);
}
}
catch (Exception e)
{
//Check if it was unauthorized
if (e.Message.Contains("Unauthorized"))
{
//Console.WriteLine($"ERROR: (401) Unauthorized, can not search:\n{item.title}\n{item.type}");
}
else if (e.Message.Contains("403"))
{
Console.WriteLine($"ERROR: (403) Forbidden (Rate Limit Exceedd)");
goto wait_for_rate_limit;
}
else
{
//Console.WriteLine("{0}", e);
}
}
});
});
}