public async Task <IActionResult> MyPresentations(int?page, int?itemsPerPage)
{
var vm = new PresentationsViewModel();
vm.NavbarIndexPair = new LeftNavbar.IndexPair
{
IndexWhenUserAuthorized = NavbarModel.AuthorizableItemsIndex.HomeMyPresentations
};
var pagingOptions = PagingOptions.CreateWithTheseOrDefaults(page, itemsPerPage);
var userPresentationsResult = await _presentationsRepository.GetPresentationsForUser(_userManager.GetUserId(User),
pagingOptions);
if (userPresentationsResult.ErrorMessageIfAny != null)
{
vm.ErrorMessage = userPresentationsResult.ErrorMessageIfAny;
return(base.DisplayListPage(vm));
}
if (userPresentationsResult.Value.Count == 0)
{
vm.TopMessage = "You do not have any presentations. Start uploading some";
vm.TopMessageHref = $"/{nameof(HomeController).WithoutControllerPart()}/{nameof(HomeController.UploadPresentation)}";
return(base.DisplayListPage(vm));
}
vm.Presentations = await base.CreateCardsModel(userPresentationsResult.Value);
vm.PaginationModel = PaginationViewModel.BuildModelWith(userPresentationsResult.TotalPages,
pagingOptions, index => $"/{nameof(HomeController).WithoutControllerPart()}/" +
$"{nameof(HomeController.MyPresentations)}?page=" + index + "&itemsPerPage=" + pagingOptions.ItemsPerPage);
vm.TopMessage = "My presentations";
vm.ButtonsToolbarModel = ButtonsToolbarModel.UserModelwithHighlightedIndex(0);
return(base.DisplayListPage(vm));
}
public async Task <IActionResult> UserPresentationsByTag(string tag, int?page, int?itemsPerPage)
{
var vm = new PresentationsViewModel();
vm.NavbarIndexPair = defaultNavbarIndexPair;
if (tag == null || tag.Length == 0)
{
vm.ErrorMessage = "You have not provided any tag to search for.";
return(base.DisplayListPage(vm));
}
var pagingOptions = PagingOptions.CreateWithTheseOrDefaults(page, itemsPerPage);
var id = _userManager.GetUserId(User);
var presentations = await _presentationsRepository.GetUserPresentationsFromTag(tag, id, pagingOptions);
if (presentations.ErrorMessageIfAny != null)
{
vm.ErrorMessage = presentations.ErrorMessageIfAny;
return(base.DisplayListPage(vm));
}
if (presentations.Value.Count == 0)
{
vm.TopMessage = "There are no presentations containing the tag \"" + tag + "\"";
return(base.DisplayListPage(vm));
}
vm.TopMessage = $"Presentations associated with \"{tag}\", page {pagingOptions.PageIndex} of {presentations.TotalPages}";
vm.Presentations = await base.CreateCardsModel(presentations.Value);
vm.PaginationModel = await CreateTagPaginationModel(tag, pagingOptions, presentations.TotalPages);
return(base.DisplayListPage(vm));
}
public async Task <IActionResult> SearchPublicPresentations(string keywords, string where, int?page, int?itemsPerPage)
{
var vm = new PresentationsViewModel();
vm.NavbarIndexPair = defaultNavbarIndexPair;
if (keywords == null || keywords.Length == 0)
{
vm.TopMessage = "You provided no keywords to search with";
return(base.DisplayListPage(vm));
}
string excludeUserId = null;
if (this.User != null && this.User.Identity.IsAuthenticated)
{
excludeUserId = _userManager.GetUserId(this.User);
}
_userManager.GetUserId(User);
var pagingOptions = PagingOptions.CreateWithTheseOrDefaults(page, itemsPerPage);
var searchType = CreateSearchType(where);
var keywordsList = CreateKeywordsList(keywords);
PagedOperationResult <List <Presentation> > presentations = await _presentationsRepository.
SearchPublicPresentations(keywordsList, pagingOptions, searchType, excludeUserId);
if (presentations.ErrorMessageIfAny != null)
{
vm.ErrorMessage = presentations.ErrorMessageIfAny;
return(base.DisplayListPage(vm));
}
if (presentations.Value.Count == 0)
{
vm.TopMessage = "The search returned no results for the keywords " + keywords;
return(base.DisplayListPage(vm));
}
vm.TopMessage = $"Search results for the keywords \"{keywords}\" in public presentations";
vm.Presentations = await base.CreateCardsModel(presentations.Value);
vm.PaginationModel = await CreateSearchPaginationModel(keywordsList, searchType, presentations.TotalPages, pagingOptions);
return(DisplayPublicListPage(vm));
}
public async Task <IActionResult> PublicPresentationsForUser(string userId, int?page, int?itemsPerPage)
{
string excludedUserId = null;
if (this.User != null && this.User.Identity.IsAuthenticated)
{
excludedUserId = _userManager.GetUserId(this.User);
}
var pagingOptions = PagingOptions.CreateWithTheseOrDefaults(page, itemsPerPage);
var vm = new PresentationsViewModel();
vm.NavbarIndexPair = defaultNavbarIndexPair;
var result = await _presentationsRepository.PublicPresentationsForUser(userId, pagingOptions, excludedUserId);
if (result.ErrorMessageIfAny != null)
{
vm.ErrorMessage = result.ErrorMessageIfAny;
return(base.DisplayListPage(vm));
}
if (result.Value.Count == 0)
{
vm.TopMessage = "There are no public presentations from this user";
return(base.DisplayListPage(vm));
}
vm.PaginationModel = PaginationViewModel.BuildModelWith(result.TotalPages, pagingOptions, i =>
$"{nameof(ExploreController).WithoutControllerPart()}/{nameof(ExploreController.PublicPresentationsForUser)}" +
$"?userId={userId}&page={i}&itemsPerPage={pagingOptions.ItemsPerPage}");
vm.Presentations = await base.CreateCardsModel(result.Value);
var usersResult = await _usersRepository.GetUserWithId(userId);
if (usersResult.Value != null)
{
vm.TopMessage = $"Page {pagingOptions.PageIndex} of public presentations for {usersResult.Value.Name}";
}
return(base.DisplayPublicListPage(vm));
}
public async Task <IActionResult> PublicPresentationsByCategory(string categoryName, int?page, int?itemsPerPage)
{
string excludedUserId = null;
if (this.User != null && this.User.Identity.IsAuthenticated)
{
excludedUserId = _userManager.GetUserId(this.User);
}
var vm = new PresentationsViewModel();
vm.NavbarIndexPair = defaultNavbarIndexPair;
vm.Title = categoryName.ToUpper();
vm.ButtonsToolbarModel = ButtonsToolbarModel.PublicModelWithHighlightedIndex(ButtonsToolbarModel.IndexOf(categoryName));
var pagingOptions = PagingOptions.CreateWithTheseOrDefaults(page, itemsPerPage);
var presentationsResult = await _presentationsRepository.PublicPresentationsFromCategory(categoryName, pagingOptions,
excludedUserId);
if (presentationsResult.ErrorMessageIfAny != null)
{
vm.ErrorMessage = presentationsResult.ErrorMessageIfAny;
return(DisplayPublicListPage(vm));
}
if (presentationsResult.Value.Count == 0)
{
vm.TopMessage = $"There is no public presentation under the category {categoryName}. Be the first to upload one!";
vm.TopMessageHref = $"/{nameof(HomeController).WithoutControllerPart()}/{nameof(HomeController.UploadPresentation)}";
return(DisplayPublicListPage(vm));
}
vm.PaginationModel = PaginationViewModel.BuildModelWith(presentationsResult.TotalPages, pagingOptions, i =>
$"{nameof(ExploreController).WithoutControllerPart()}/{nameof(ExploreController.PublicPresentationsByCategory)}" +
$"?categoryName={categoryName}&page={i}&itemsPerPage={pagingOptions.ItemsPerPage}");
vm.TopMessage = $"Public presentations in the {categoryName} category, page {pagingOptions.PageIndex} of {presentationsResult.TotalPages}";
vm.Presentations = await CreateCardsModel(presentationsResult.Value);
return(DisplayPublicListPage(vm));
}
public async Task <IActionResult> PublicPresentations(int?page, int?itemsPerPage)
{
var pagingOptions = PagingOptions.CreateWithTheseOrDefaults(page, itemsPerPage);
var vm = new PresentationsViewModel();
vm.NavbarIndexPair = defaultNavbarIndexPair;
string excludedUserId = null;
if (this.User != null)
{
excludedUserId = _userManager.GetUserId(this.User);
}
var presentations = await _presentationsRepository.PublicPresentations(pagingOptions, excludedUserId);
if (presentations.ErrorMessageIfAny != null)
{
vm.ErrorMessage = presentations.ErrorMessageIfAny;
return(base.DisplayListPage(vm));
}
if (presentations.Value.Count == 0)
{
vm.TopMessage = "There are no other public presentations. Click here to view your own public presentations";
vm.TopMessageHref = "/" + nameof(HomeController).WithoutControllerPart() + "/" + nameof(HomeController.MyPresentations);
return(base.DisplayListPage(vm));
}
vm.PaginationModel = PaginationViewModel.BuildModelWith(presentations.TotalPages, pagingOptions,
index => "/" + nameof(ExploreController).WithoutControllerPart() + "/" + nameof(ExploreController.PublicPresentations) +
"?page=" + index + "&itemsPerPage=" + pagingOptions.ItemsPerPage);
vm.Presentations = await base.CreateCardsModel(presentations.Value);
vm.Title = "Public Presentations";
vm.TopMessage = $"Displaying public presentations, {(presentations.TotalPages > 0 ? presentations.TotalPages : 1)} pages in total";
vm.ButtonsToolbarModel = ButtonsToolbarModel.PublicModelWithHighlightedIndex(0);
return(DisplayPublicListPage(vm));
}
public async Task <IActionResult> MyPresentationsByCategory(string categoryName, int?page, int?itemsPerPage)
{
var vm = new PresentationsViewModel();
vm.Title = $"{categoryName.ToUpper()}";
vm.ButtonsToolbarModel = ButtonsToolbarModel.UserModelwithHighlightedIndex(ButtonsToolbarModel.IndexOf(categoryName));
vm.NavbarIndexPair = new LeftNavbar.IndexPair {
IndexWhenUserAuthorized = NavbarModel.AuthorizableItemsIndex.HomeMyPresentations
};
var userId = _userManager.GetUserId(this.User);
var pagingOptions = PagingOptions.CreateWithTheseOrDefaults(page, itemsPerPage);
var presentationsResult = await _presentationsRepository.UserPresentationsFromCategory(userId, categoryName, pagingOptions);
if (presentationsResult.ErrorMessageIfAny != null)
{
vm.ErrorMessage = presentationsResult.ErrorMessageIfAny;
return(DisplayListPage(vm));
}
if (presentationsResult.Value.Count == 0)
{
vm.TopMessage = $"You do not have any presentations in the {categoryName.ToLower()} category.";
vm.TopMessageHref = $"/{nameof(HomeController).WithoutControllerPart()}/{nameof(HomeController.UploadPresentation)}";
return(DisplayListPage(vm));
}
vm.TopMessage = $"Presentations in category {categoryName.ToLower()}, page {pagingOptions.PageIndex} of {presentationsResult.TotalPages}";
vm.Presentations = await CreateCardsModel(presentationsResult.Value);
vm.PaginationModel = PaginationViewModel.BuildModelWith(presentationsResult.TotalPages, pagingOptions, i =>
$"/{nameof(HomeController).WithoutControllerPart()}/{nameof(HomeController.MyPresentationsByCategory)}?categpryName=" +
$"{categoryName}&page={i}&itemsPerPage={pagingOptions.ItemsPerPage}");
return(DisplayListPage(vm));
}
protected IActionResult DisplayPublicListPage(PresentationsViewModel vm)
{
return(View("DisplayPublicListPage", vm));
}
public PresentationsPage()
{
InitializeComponent();
BindingContext = viewModel = new PresentationsViewModel();
}
public PresentationsPage(string presenterId) : this()
{
BindingContext = viewModel = new PresentationsViewModel(presenterId);
}
