public void FileGridView_DeleteItem(int fileId)
{
using (var context = new StichtiteForumEntities())
{
var currentFile = (from file in context.Files
where file.FileId == fileId
select file).FirstOrDefault();
if (currentFile == null)
{
throw new ArgumentException("File not found!");
}
var filePath = currentFile.Path;
context.Files.Remove(currentFile);
context.SaveChanges();
if (System.IO.File.Exists(filePath))
{
try
{
System.IO.File.Delete(filePath);
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex);
}
}
}
}
public void FormViewPost_DeleteItem(int? PostId)
{
try
{
var db = new StichtiteForumEntities();
if (!this.User.Identity.IsAuthenticated)
{
Response.Redirect("~/Account/Login.aspx");
}
else if (!(this.User.Identity.Name == db.Posts.Find(this.postId).AspNetUser.UserName))
{
ErrorSuccessNotifier.AddInfoMessage("You don't have permission to delete this post");
//Response.Redirect("Post.aspx?id=" + this.postId);
return;
}
var post = db.Posts.Find(this.postId);
db.Comments.RemoveRange(post.Comments);
db.Posts.Remove(post);
db.SaveChanges();
ErrorSuccessNotifier.AddSuccessMessage("Post successfully deleted");
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex);
}
Response.Redirect("Default.aspx");
}
protected void Page_Prerender(object sender, EventArgs e)
{
var db = new StichtiteForumEntities();
var dropDown = (DropDownList)FindControlRecursive(this, "DropDownListCategories");
dropDown.DataSource = db.Categories.ToList();
dropDown.DataBind();
}
protected void ButtonSave_Click(object sender, EventArgs e)
{
using (var context = new StichtiteForumEntities())
{
var userId = this.Request.Params["userId"];
try
{
var user = context.AspNetUsers.Find(userId);
user.UserName = this.TextBoxUsername.Text;
var adminRole = context.AspNetRoles.FirstOrDefault(r => r.Name == "admin");
if (this.CheckBoxIsAdmin.Checked && user.AspNetRoles.FirstOrDefault(r => r.Name == "admin") == null)
{
user.AspNetRoles.Add(adminRole);
}
else if (!this.CheckBoxIsAdmin.Checked && user.AspNetRoles.FirstOrDefault(r => r.Name == "admin") != null)
{
user.AspNetRoles.Remove(adminRole);
}
context.SaveChanges();
ErrorSuccessNotifier.AddInfoMessage("User successfully edited.");
ErrorSuccessNotifier.ShowAfterRedirect = true;
this.Response.Redirect("Users.aspx", false);
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex);
}
}
}
public IQueryable<CommentModel> GridViewComments_GetComments()
{
var postId = Convert.ToInt32(this.Request.Params["postId"]);
try
{
var context = new StichtiteForumEntities();
var comments =
from comment in context.Comments
where comment.PostId == postId
orderby comment.CommentDate descending
select new CommentModel
{
CommentId = comment.CommentId,
CommentDate = comment.CommentDate,
AuthorUsername = comment.AspNetUser.UserName,
Content = comment.Content,
PostId = comment.PostId
};
return comments;
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex);
}
return null;
}
public void GridViewUsers_DeleteCategory(int categoryId)
{
using (var context = new StichtiteForumEntities())
{
try
{
var category = context.Categories.Find(categoryId);
foreach (var post in category.Posts)
{
context.Comments.RemoveRange(post.Comments);
}
context.Posts.RemoveRange(category.Posts);
context.Categories.Remove(category);
context.SaveChanges();
this.GridViewCategories.PageIndex = 0;
ErrorSuccessNotifier.AddInfoMessage("Category successfully deleted.");
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex);
}
}
}
// The return type can be changed to IEnumerable, however to support
// paging and sorting, the following parameters must be added:
// int maximumRows
// int startRowIndex
// out int totalRowCount
// string sortByExpression
public IQueryable<StichtiteForum.Models.Post> PostsList_GetData()
{
StichtiteForumEntities context = new StichtiteForumEntities();
int id = Convert.ToInt32(Request.Params["id"]);
var posts = context.Posts.Where(x=>x.CategoryId == id);
return posts;
}
public IQueryable<StichtiteForum.Models.Post> PostsList_GetData()
{
StichtiteForumEntities context = new StichtiteForumEntities();
var posts = context.Posts;
return posts.OrderByDescending(x => x.PostDate);
}
public IQueryable<StichtiteForum.Models.Category> CategoriesList_GetData()
{
StichtiteForumEntities context = new StichtiteForumEntities();
var categories = context.Categories;
return categories;
}
public IQueryable<StichtiteForum.Models.File> FileGridView_GetData()
{
var context = new StichtiteForumEntities();
var currentPostId = GetPostIdFromParameters();
return from file in context.Files
where file.PostId == currentPostId
select file;
}
public IQueryable<Comment> ListViewComments_GetData()
{
var db = new StichtiteForumEntities();
var post = db.Posts.Include("Comments").FirstOrDefault(p => p.PostId == this.postId);
if (post.Comments == null)
{
return new List<Comment>().AsQueryable();
}
return post.Comments.OrderBy(c => c.CommentDate).AsQueryable();
}
public object FormViewPost_GetItem([QueryString]int id)
{
try
{
var db = new StichtiteForumEntities();
var post = db.Posts.Find(id);
return post;
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex);
return null;
}
}
protected void ButtonEditComment_Command(object sender, CommandEventArgs e)
{
var db = new StichtiteForumEntities();
int commentId = Convert.ToInt32(e.CommandArgument);
if (!this.User.Identity.IsAuthenticated)
{
Response.Redirect("~/Account/Login.aspx");
}
else if (!(this.User.Identity.Name == db.Comments.Find(commentId).AspNetUser.UserName))
{
ErrorSuccessNotifier.AddInfoMessage("You don't have permission to edit this comment");
Response.Redirect("Post.aspx?id=" + this.postId);
}
}
public StichtiteForum.Models.Post FormViewEditPost_GetItem([QueryString]int? id)
{
var db = new StichtiteForumEntities();
StichtiteForum.Models.Post post = new Models.Post();
if (!this.isNew)
{
post = db.Posts.Find(this.postId);
}
else
{
post.CategoryId = db.Categories.FirstOrDefault().CategoryId;
}
return post;
}
public IQueryable<StichtiteForum.Models.Post> PostsList_GetData()
{
StichtiteForumEntities context = new StichtiteForumEntities();
int id = Convert.ToInt32(this.Request.Params["id"]);
if (id == 0)
{
this.Response.Redirect("~/Default.aspx");
}
var posts = context.Posts.Where(x => x.CategoryId == id);
this.LabelCategoryTitle.Text = this.Server.HtmlEncode(context.Categories.Find(id).Title);
return posts;
}
protected void Page_PreRender(object sender, EventArgs e)
{
var postId = Convert.ToInt32(this.Request.Params["postId"]);
using (var context = new StichtiteForumEntities())
{
try
{
this.LabelPostTitle.Text = context.Posts.Find(postId).Title;
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex);
}
}
}
protected void Page_PreRender(object sender, EventArgs e)
{
var categoryId = Convert.ToInt32(this.Request.Params["categoryId"]);
using (var context = new StichtiteForumEntities())
{
try
{
var category = context.Categories.Find(categoryId);
this.TextBoxCategoryTitle.Text = category.Title;
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex);
}
}
}
protected void ButtonCancel_Click(object sender, EventArgs e)
{
using (var context = new StichtiteForumEntities())
{
var commentId = Convert.ToInt32(this.Request.Params["commentId"]);
try
{
var comment = context.Comments.Find(commentId);
this.Response.Redirect("Comments.aspx?postId=" + comment.PostId, false);
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex);
}
}
}
protected void GridViewComments_OnSelectedIndexChanged(object sender, EventArgs e)
{
using (var context = new StichtiteForumEntities())
{
try
{
int commentId = Convert.ToInt32(this.GridViewComments.SelectedDataKey.Value);
var comment = context.Comments.Find(commentId);
this.LabelCommentContentTitle.Visible = true;
this.LiteralCommentContent.Text = this.Server.HtmlEncode(comment.Content);
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex);
}
}
}
public void GridViewComments_DeleteComment(int commentId)
{
using (var context = new StichtiteForumEntities())
{
try
{
var comment = context.Comments.Find(commentId);
context.Comments.Remove(comment);
context.SaveChanges();
this.GridViewComments.PageIndex = 0;
ErrorSuccessNotifier.AddInfoMessage("Comment successfully deleted.");
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex);
}
}
}
public IQueryable<PostModel> GridViewPosts_GetData()
{
var context = new StichtiteForumEntities();
return from post in context.Posts.Include("AspNetUsers")
where post.AuthorId == (this.authorId ?? post.AuthorId)
orderby post.PostDate
select new PostModel
{
AuthorId = post.AuthorId,
AuthorUsername = post.AspNetUser.UserName,
CategoryId = post.CategoryId,
Content = post.Content,
PostDate = post.PostDate,
PostId = post.PostId,
Title = post.Title
};
}
protected void Page_PreRender(object sender, EventArgs e)
{
var userId = this.Request.Params["userId"];
using (var context = new StichtiteForumEntities())
{
try
{
var user = context.AspNetUsers.Find(userId);
this.TextBoxUsername.Text = user.UserName;
this.CheckBoxIsAdmin.Checked = user.AspNetRoles.FirstOrDefault(r => r.Name == "admin") != null;
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex);
}
}
}
public IQueryable<Category> GridViewUsers_GetCategories()
{
try
{
var context = new StichtiteForumEntities();
var categories =
from category in context.Categories
orderby category.CategoryId
select category;
return categories;
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex);
}
return null;
}
public void GridViewUsers_BanUser(string userId)
{
using (var context = new StichtiteForumEntities())
{
try
{
var user = context.AspNetUsers.Find(userId);
//user.Banned = true;
context.SaveChanges();
this.GridViewUsers.PageIndex = 0;
ErrorSuccessNotifier.AddInfoMessage("User successfully deleted.");
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex);
}
}
}
protected void Page_PreRender(object sender, EventArgs e)
{
int id = GetPostIdFromParameters();
using (StichtiteForumEntities context = new StichtiteForumEntities())
{
var postToEdit = (from post in context.Posts
where post.PostId == id
select post).FirstOrDefault();
if (postToEdit == null)
{
Response.Redirect("Posts.aspx");
}
this.TextBoxPostTitle.Text = postToEdit.Title;
this.TextBoxPostContent.Text = postToEdit.Content;
}
}
protected void AdminPostGridView_GetContent(object sender, CommandEventArgs e)
{
using (var context = new StichtiteForumEntities())
{
int postId = int.Parse(e.CommandArgument.ToString());
var currentPost = (from post in context.Posts
where post.PostId == postId
select post).FirstOrDefault();
if (currentPost == null)
{
throw new ArgumentException("Post id not found!");
}
this.PostContentHeadline.Visible = true;
this.PostContentHeadline.InnerText = currentPost.Title;
this.PostContentLiteral.Visible = true;
this.PostContentLiteral.Text = Server.HtmlEncode(currentPost.Content);
}
}
protected void ButtonSave_Click(object sender, EventArgs e)
{
using (var context = new StichtiteForumEntities())
{
var commentId = Convert.ToInt32(this.Request.Params["commentId"]);
try
{
var comment = context.Comments.Find(commentId);
comment.Content = this.TextBoxCommentContent.Text;
context.SaveChanges();
ErrorSuccessNotifier.AddInfoMessage("Comment successfully edited.");
ErrorSuccessNotifier.ShowAfterRedirect = true;
this.Response.Redirect("Comments.aspx?postId=" + comment.PostId, false);
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex);
}
}
}
protected void ButtonSubmitPost_Click(object sender, EventArgs e)
{
using (StichtiteForumEntities context = new StichtiteForumEntities())
{
int currentId = GetPostIdFromParameters();
var postToEdit = (from post in context.Posts
where post.PostId == currentId
select post).FirstOrDefault();
if (postToEdit == null)
{
throw new ArgumentNullException();
}
postToEdit.Content = this.TextBoxPostContent.Text;
postToEdit.Title = this.TextBoxPostTitle.Text;
context.SaveChanges();
}
Response.Redirect("Posts.aspx");
}
protected void ButtonCreate_OnClick(object sender, EventArgs e)
{
var category = new Category
{
Title = this.TextBoxCategoryTitle.Text
};
using (var context = new StichtiteForumEntities())
{
try
{
context.Categories.Add(category);
context.SaveChanges();
ErrorSuccessNotifier.AddSuccessMessage("Category added successfully!");
ErrorSuccessNotifier.ShowAfterRedirect = true;
this.Response.Redirect("Categories.aspx", false);
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex);
}
}
}
public void GridViewPosts_DeleteItem(int postId)
{
using (var context = new StichtiteForumEntities())
{
try
{
var post = context.Posts.Find(postId);
var comments = post.Comments.ToList();
var files = post.Files.ToList();
context.Comments.RemoveRange(comments);
context.Files.RemoveRange(files);
context.Posts.Remove(post);
context.SaveChanges();
this.GridViewPosts.PageIndex = 0;
ErrorSuccessNotifier.AddInfoMessage("Post and all of its comments and files successfully deleted.");
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex);
}
}
}
