public void RunQueuedUpdates()
        {
            try
            {
                var coursesPendingDeletion = unusedCourseBll.GetAll().Where(x => x.Status == CourseStatus.PendingDeletion).ToList();

                if (coursesPendingDeletion.Any())
                {
                    var coursesClient = new CoursesClient();

                    foreach (var course in coursesPendingDeletion)
                    {
                        if (coursesClient.DeleteCourse(course.CourseId).Result)
                        {
                            course.Status = CourseStatus.Deleted;
                            unusedCourseBll.Update(course);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                FileLogger.Log("RunQueuedUpdates :: " + ex.ToString());
            }
        }
Example #2
0
        public static async Task <List <ICourseLink> > ExtractCourses()
        {
            await CoursesClient.LazyRefresh();

            var coursesPageText = await CoursesClient.SessionClient.GetStringAsyncHttp(CoursesProfileAllCoursesUrl);

            CoursesClient.FindSessKey(coursesPageText);
            var doc = new HtmlDocument();

            doc.LoadHtml(coursesPageText);
            var coursesLinksNodes = doc.DocumentNode.SelectNodes(XPathFilterProfileCoursesLinks);

            var coursesLinksTasks = coursesLinksNodes
                                    .Where(l => Regex.IsMatch(l.InnerText, CurrentSemesterCourseLongFormNameRegex))
                                    .Select(async(l, _) =>
            {
                var longName = ExtractName(l);
                var url      = ExtractHref(l);

                string shortName;
                using (var courseHtml = await CoursesClient.SessionClient.GetStreamAsyncHttp(url))
                {
                    shortName = LazyHtmlParser.FindShortNameInHtml(courseHtml);
                    shortName = CleanName(shortName, true);
                }

                return(new CourseLink($"{shortName,-8}{longName}", url));
            });

            var coursesLinks = await Task.WhenAll(coursesLinksTasks);

            SharedVars.Courses = coursesLinks.ToList <ICourseLink>();

            return(SharedVars.Courses);
        }
Example #3
0
        public static async Task <int> ExtractSemestersCount()
        {
            await CoursesClient.LazyRefresh();

            var profileHtml = await CoursesClient.SessionClient.GetStringAsyncHttp(CoursesProfileAllCoursesUrl);

            var doc = new HtmlDocument();

            doc.LoadHtml(profileHtml);
            var coursesLinks = doc.DocumentNode.SelectNodes(XPathFilterProfileCoursesLinks);

            var semestersCount =
                SemesterCoursesLongFormNameRegex
                .Reverse()
                .Select(pair => new
            {
                Number  = pair.Key,
                Courses = coursesLinks
                          .Where(node => Regex.IsMatch(node.InnerText, pair.Value))
            })
                .First(semester => semester.Courses.Any())
                .Number;

            return(semestersCount);
        }
Example #4
0
        static void Main(string[] args)
        {
            CoursesClient CC = new CoursesClient("NetTcpBinding_ICourses");

            for (int i = 0; i < 1; i++)
            {
                Console.WriteLine("Enter record:");
                CC.AddToCourses(new Course()
                {
                    CourseId = int.Parse(Console.ReadLine()), CourseName = Console.ReadLine()
                });
            }

            GetCourses(CC);
            CC.Close();

            CC = new CoursesClient("NetTcpBinding_ICourses");

            for (int i = 0; i < 1; i++)
            {
                Console.WriteLine("Enter record:");
                CC.AddToCourses(new Course()
                {
                    CourseId = int.Parse(Console.ReadLine()), CourseName = Console.ReadLine()
                });
            }

            GetCourses(CC);

            Console.ReadLine();
        }
Example #5
0
 private static void GetCourses(CoursesClient CC)
 {
     Console.WriteLine();
     foreach (var item in CC.ListCourses())
     {
         Console.WriteLine("CourseId:{0} CourseName:{1}", item.CourseId, item.CourseName);
     }
 }
Example #6
0
        async Task LoadCourse()
        {
            var departmentsTask = DepartmentsClient.Get();
            var courseTask      = CoursesClient.GetDetails(CourseID);

            Departments = await departmentsTask;
            Course      = await courseTask;
        }
Example #7
0
        public static async Task Init()
        {
            Console.OutputEncoding = Encoding.UTF8;

            await CoursesClient.LazyRefresh();

            SharedVars.CurrentSemesterNumber = await CoursesExtractor.ExtractSemestersCount();
        }
        private static void GetCourses(CoursesClient coursesClient)
        {
            Console.WriteLine();

            foreach (var course in coursesClient.ListCourse())
            {
                Console.WriteLine($"CourseId: {course.CourseId}, CourseName: {course.CourseName}");
            }
        }
        private async Task ExtractExternalUrlAndTitle()
        {
            await CoursesClient.LazyRefresh();

            using (var html = await CoursesClient.SessionClient.GetStreamAsyncHttp(Url))
            {
                var title = LazyHtmlParser.FindTitleInHtml(html);
                Title = title;

                IsTitleExtracted = true;
            }
        }
Example #10
0
        public async Task <ActionResult> Index(HomeViewModel viewModel)
        {
            if (ModelState.IsValid)
            {
                var courseIds = new List <string>();
                using (var reader = new StreamReader(Request.Files["CoursesDataFile"].InputStream))
                {
                    while (!reader.EndOfStream)
                    {
                        var line = await reader.ReadLineAsync();

                        Regex validator = new Regex(@"^[0-9]+$");

                        var id = line.Split(',')[0];

                        if (!validator.IsMatch(id))
                        {
                            ModelState.AddModelError(nameof(HomeViewModel.CoursesDataFile), "There was a problem while reading the input file.  Please make sure that the file chosen contains a comma delimited list and has an extension of csv.");
                            return(View(viewModel));
                        }

                        courseIds.Add(id);
                    }
                }

                var client        = new CoursesClient();
                var accountClient = new AccountsClient();

                try
                {
                    var account = accountClient.Get <Account>(viewModel.CanvasAccountId);

                    foreach (var id in courseIds)
                    {
                        await client.MoveCourse(id, viewModel.CanvasAccountId);
                    }
                }
                catch (Exception ex)
                {
                    ModelState.AddModelError(nameof(viewModel.CanvasAccountId), ex);
                    return(View(viewModel));
                }

                viewModel.Notify = true;
            }

            return(View(viewModel));
        }
        static void Main(string[] args)
        {
            //var coursesClient = new CoursesClient("BasicHttpBinding_ICourses"); // Not support session
            var coursesClient = new CoursesClient("NetTcpBinding_ICourses"); //support session

            //coursesClient.AddToCourse(new Course{CourseId = 1, CourseName = "Asp.Net"});
            //coursesClient.AddToCourse(new Course{CourseId = 2, CourseName = "Ado.Net"});
            //coursesClient.AddToCourse(new Course{CourseId = 2, CourseName = "C#.Net" });
            //GetCourses(coursesClient);



            //Enumerable.Range(0, 3).ToList().ForEach(i =>
            //{
            //    Console.WriteLine($"Enter Record {i + 1}");
            //    coursesClient.AddToCourse(new Course(){CourseId = int.Parse(Console.ReadLine()), CourseName = Console.ReadLine()});
            //});
            //GetCourses(coursesClient);



            //coursesClient.AddToCourse(new Course { CourseId = 1, CourseName = "Asp.Net" });
            //coursesClient.AddToCourse(new Course { CourseId = 2, CourseName = "Ado.Net" });
            //coursesClient.AddToCourse(new Course { CourseId = 2, CourseName = "C#.Net" });

            //Thread.Sleep(5000);

            //GetCourses(coursesClient);



            coursesClient.AddToCourse(new Course {
                CourseId = 1, CourseName = "Asp.Net"
            });
            GetCourses(coursesClient);

            // 세션이 끝나면 객체를 새로 만들어줘야 한다.
            coursesClient = new CoursesClient("NetTcpBinding_ICourses"); //support session
            coursesClient.AddToCourse(new Course {
                CourseId = 1, CourseName = "Asp.Net"
            });
            GetCourses(coursesClient);



            Console.ReadKey();
        }
        protected override async Task GetAndSaveFile(string filename)
        {
            await CoursesClient.LazyRefresh();

            ReportProgress(0, 1024);

            var html = await ExtractMainHtml();

            ReportProgress(html.Length / 2.0, html.Length);

            var pdf = GeneratePdf(html);

            ReportProgress(pdf.Length * 0.9, pdf.Length);

            File.WriteAllBytes(filename, pdf);

            ReportProgress(pdf.Length, pdf.Length);
        }
Example #13
0
        static void Main(string[] args)
        {
            CoursesClient CC = new CoursesClient("NetTcpBinding_ICourses");

            CC.AddToCourses(new Course()
            {
                CourseId = int.Parse(Console.ReadLine()), CourseName = Console.ReadLine()
            });
            GetCourses(CC);

            CC = new CoursesClient("NetTcpBinding_ICourses");
            CC.AddToCourses(new Course()
            {
                CourseId = int.Parse(Console.ReadLine()), CourseName = Console.ReadLine()
            });
            GetCourses(CC);

            Console.ReadLine();
        }
Example #14
0
        private async Task ExtractExternalUrlAndTitle()
        {
            await CoursesClient.LazyRefresh();

            // Go to url as clicked on courses
            using (var coursesResponse = await CoursesClient.SessionClient.GetHeadersAsyncHttp(Url))
            {
                var externalResponse = coursesResponse;

                // if redirected to courses, grab url workaround, get title from there
                if (coursesResponse.RequestMessage.RequestUri.Host == CoursesClient.SessionClient.BaseAddress.Host)
                {
                    using (var coursesHtml = await coursesResponse.Content.ReadAsStreamAsync())
                    {
                        var urlWorkaround = LazyHtmlParser.FindUrlWorkaroundInHtml(coursesHtml);
                        ExternalUrl = urlWorkaround;

                        // Go to url as clicked on workaround url
                        externalResponse = await CoursesClient.SessionClient.GetHeadersAsyncHttp(urlWorkaround);
                    }
                }
                // else redirected to external link, just save it
                else
                {
                    var url = coursesResponse.RequestMessage.RequestUri.ToString();
                    ExternalUrl = url;
                }

                using (externalResponse)
                {
                    using (var externalHtml = await externalResponse.Content.ReadAsStreamAsync())
                    {
                        var title = LazyHtmlParser.FindTitleInHtml(externalHtml);
                        Title = title;

                        AreExternalUrlAndTitleExtracted = true;
                    }
                }
            }
        }
        protected override async Task GetAndSaveFile(string filename)
        {
            await CoursesClient.LazyRefresh();

            CoursesClient.AddEvent(DownloadProgressTracker);

            // we request headers because otherwise the file is first put into memory so we lose the whole point of streams
            // since we are using ReadAsStreamAsync, nothing is loaded into memory
            // although we can't use HeadersResponse from previously because that way we can't track progress
            using (var file = await CoursesClient.SessionClient.GetHeadersAsyncHttp(DownloadUrl))
            {
                using (var fileStream = File.Create(filename))
                {
                    using (var content = await file.Content.ReadAsStreamAsync())
                    {
                        await content.CopyToAsync(fileStream);

                        await fileStream.FlushAsync();
                    }
                }
            }

            CoursesClient.RemoveEvent(DownloadProgressTracker);
        }
Example #16
0
        public async Task Download(string[] middlePath)
        {
            await CoursesClient.LazyRefresh();

            await GetNameFromUrlNow();

            string filename;

            switch (SharedVars.NamingMethod)
            {
            case NamingMethod.CoursesName:
                filename = FileFromCourses.FileNameAndExtensionOnly;
                break;

            case NamingMethod.UrlName:
                filename = FileFromUrl.FileNameAndExtensionOnly;
                break;

            default:
                filename = FileFromUrl.FileNameAndExtensionOnly;
                break;
            }

            var filepath = FileNameHelpers.FullyPrepareFile(filename, middlePath);

            FileFromUrl.FullPathAndFileAndExtension = FileFromCourses.FullPathAndFileAndExtension = filepath;

            var fileInfo = new FileInfo(filepath);

            if (!fileInfo.Directory?.Exists ?? false)
            {
                fileInfo.Directory.Create();
            }

            await GetAndSaveFile(filepath);
        }
Example #17
0
 public static void Dispose()
 {
     CoursesClient.Dispose();
 }
Example #18
0
 public HomeController(ILogger <HomeController> logger, CoursesClient client)
 {
     _logger     = logger;
     this.client = client;
 }
Example #19
0
        public async Task OnSaveClick()
        {
            var updated = await CoursesClient.Update(Course);

            UriHelper.NavigateTo("/courses");
        }
        public static async Task <List <ISection> > ExtractSectionsForCourse(ICourseLink courseLink)
        {
            await CoursesClient.LazyRefresh();

            var coursePageText = await CoursesClient.SessionClient.GetStringAsyncHttp(courseLink.Url);

            CoursesClient.FindSessKey(coursePageText);
            var doc = new HtmlDocument();

            doc.LoadHtml(coursePageText);
            var headersLinks = doc.DocumentNode.SelectNodes(XPathFilterLinksHeadersFolders);

            SharedVars.Sections = new List <ISection>();
            var currentSection = new Section();

            SharedVars.Sections.Add(currentSection);

            foreach (var headerLink in headersLinks)
            {
                var itemType = TryGetItemType(headerLink);

                string innerText = null;
                string href      = null;

                if (itemType != ItemType.Header)
                {
                    innerText = headerLink.Descendants().First(d => d.Name == "#text").InnerText.DecodeHtml();
                    href      = headerLink.Attributes.First(l => l.Name == "href").Value;
                }

                switch (itemType)
                {
                case ItemType.Header:
                    var headerName = headerLink.InnerText.DecodeHtml();
                    var headerTag  = headerLink.OriginalName;
                    var headerId   = FindIdFromAncestors(headerLink);
                    currentSection = new Section(new Header(headerName, headerTag, headerId), courseLink);
                    SharedVars.Sections.Add(currentSection);
                    break;

                case ItemType.File:
                    currentSection.Links.Add(new FileLink(innerText, href, currentSection));
                    break;

                case ItemType.Folder:
                    currentSection.Links.Add(new FolderLink(innerText, href, currentSection));
                    break;

                case ItemType.Url:
                    currentSection.Links.Add(new ExternalLink(innerText, href, currentSection));
                    break;

                case ItemType.Page:
                    currentSection.Links.Add(new PageLink(innerText, href, currentSection));
                    break;

                default:
                    throw new ArgumentOutOfRangeException();
                }
            }

            SharedVars.Sections = SharedVars.Sections.Where(s => s.Links.Any()).ToList();

            return(SharedVars.Sections);
        }
Example #21
0
        /// <summary>
        /// A Course Shell is an unpublished course that has no content or activity
        /// </summary>
        private bool IsUnusedCourse(Course course)
        {
            var client = new CoursesClient();

            var courseWithSyllabus = client.GetWithSyllabusBody(course.Id).Result;

            if (!string.IsNullOrWhiteSpace(courseWithSyllabus.SyllabusBody))
            {
                return(false);
            }

            var enrollments = client.GetEnrollments(course.Id).Result;

            if (enrollments.Any(x => x.LastActivityAt != null))
            {
                return(false);
            }

            var assignments = client.GetCourseAssignments(course.Id).Result;

            if (assignments.Any())
            {
                return(false);
            }

            var modules = client.GetCourseModules(course.Id).Result;

            if (modules.Any())
            {
                return(false);
            }

            var files = client.GetCourseFiles(course.Id).Result;

            if (files.Any())
            {
                return(false);
            }

            var pages = client.GetCoursePages(course.Id).Result;

            if (pages.Any())
            {
                return(false);
            }

            var discussions = client.GetCourseDiscussions(course.Id).Result;

            if (discussions.Any())
            {
                return(false);
            }

            var quizzes = client.GetCourseQuizzes(course.Id).Result;

            if (quizzes.Any())
            {
                return(false);
            }

            return(true);
        }
Example #22
0
 private static async Task HandleLogOutAction()
 {
     CoursesClient.Dispose();
     await CoursesDownloaderManual.Init();
 }
Example #23
0
 private static void HandleCloseAction()
 {
     CoursesClient.Dispose();
 }
Example #24
0
 private static void HandleTempUserLogOutAction()
 {
     CoursesClient.TempLogOutUser();
 }
Example #25
0
        private static async Task HandleTempUserLogInAction()
        {
            await CoursesClient.TempLogInUser();

            await CoursesDownloaderManual.Init();
        }
Example #26
0
 async Task LoadCourses()
 {
     Courses = await CoursesClient.Get();
 }