public HttpResponseMessage PostDeleteCategory(CategoryModelCreate model)
{
try
{
using (var context = new OfferWorldContext())
{
Validator.ValidateCategoryTitle(model.Title);
var user = context.Users.FirstOrDefault(usr => usr.SessionKey == model.SessionKey && usr.Admin == true);
if (user == null)
{
throw new ArgumentNullException("You have no rights to make changes!");
}
Category category = context.Categories.FirstOrDefault(cat => cat.Name == model.Title);
context.Categories.Remove(category);
context.SaveChanges();
return this.Request.CreateResponse(HttpStatusCode.OK);
}
}
catch (Exception ex)
{
var errResponse = this.Request.CreateErrorResponse(HttpStatusCode.BadRequest, ex.Message);
return errResponse;
}
}
private static OAuthToken LoadOAuthToken()
{
using (var db = new OfferWorldContext())
{
var data = db.DropboxAuthentication.First();
OAuthToken oauthAccessToken = new OAuthToken("d2576clemzwat0gv", "s066q2wjnpct8nx");
return oauthAccessToken;
}
}
public HttpResponseMessage PostRegisterUser(UserModel model)
{
try
{
using (var context = new OfferWorldContext())
{
Validator.ValidateUsername(model.Username);
Validator.ValidateAuthCode(model.AuthCode);
Validator.ValidateEmail(model.Email);
var usernameToLower = model.Username.ToLower();
var username = (context.Users.FirstOrDefault(usr => usr.Username == usernameToLower || usr.Email == model.Email));
if (username != null)
{
throw new ArgumentException("Username or Email already exist");
}
var user = new User()
{
Username = model.Username,
AuthCode = model.AuthCode,
Email = model.Email,
Admin = false
};
context.Users.Add(user);
context.SaveChanges();
user.SessionKey = this.GenerateSessionKey(user.UserId);
context.SaveChanges();
var loggedModel = new UserLoggedModel()
{
Username = user.Username,
SessionKey = user.SessionKey
};
var response = this.Request.CreateResponse(HttpStatusCode.Created, loggedModel);
return response;
}
}
catch (Exception ex)
{
var errResponse = this.Request.CreateErrorResponse(HttpStatusCode.BadRequest, ex.Message);
return errResponse;
}
}
public void PutOfferForItem(int id,
[ValueProvider(typeof(HeaderValueProviderFactory<string>))] string sessionKey)
{
var item = this.GetAllItems(sessionKey).Where(i => i.Id == id).FirstOrDefault();
var context = new OfferWorldContext();
var user = context.Users.FirstOrDefault(usr => usr.SessionKey == sessionKey);
item.Offers.Add(new Offer()
{
User = user,
Item = new Item()
{
ItemId = item.Id
}
});
}
public IQueryable<GetItemsModel> GetAllItems(
[ValueProvider(typeof(HeaderValueProviderFactory<string>))] string sessionKey)
{
var context = new OfferWorldContext();
//Validator.ValidateUsername(model.Username);
var user = context.Users.FirstOrDefault(usr => usr.SessionKey == sessionKey);
if (user == null)
{
throw new ArgumentNullException("You are not logged in!");
}
var itemsEntity = context.Items;
var allItems = (from item in itemsEntity
select new GetItemsModel()
{
Id = item.ItemId,
Title = item.Title,
Price = item.Price,
Description = item.Description,
AdInfo = item.AdInfo,
User = item.User.Username,
Category = item.Category.Name,
Comments = item.Comments, //TODO create CommentModel
Pictures = (from picture in item.Pictures
select new PictureModel()
{
Link = picture.Link
})
//Offers = item.Offers //TODO add offers
}).ToList();
return allItems.AsQueryable();
}
public HttpResponseMessage PostLoginUser(UserModel model)
{
try
{
using (var context = new OfferWorldContext())
{
Validator.ValidateUsername(model.Username);
Validator.ValidateAuthCode(model.AuthCode);
var usernameToLower = model.Username.ToLower();
var user = (context.Users.FirstOrDefault(usr => usr.Username == usernameToLower &&
usr.AuthCode == model.AuthCode));
if (user == null)
{
throw new ArgumentException("Username does not exist!");
}
else if (user.SessionKey == null)
{
user.SessionKey = this.GenerateSessionKey(user.UserId);
context.SaveChanges();
}
var loggedModel = new UserLoggedModel()
{
Username = user.Username,
SessionKey = user.SessionKey
};
var response = this.Request.CreateResponse(HttpStatusCode.Created, loggedModel);
return response;
}
}
catch (Exception ex)
{
var errResponse = this.Request.CreateErrorResponse(HttpStatusCode.BadRequest, ex.Message);
return errResponse;
}
}
public IQueryable<CommentModel> GetByItemId(int itemId,
[ValueProvider(typeof(HeaderValueProviderFactory<string>))] string sessionKey)
{
var context = new OfferWorldContext();
var user = context.Users.FirstOrDefault(usr => usr.SessionKey == sessionKey);
if (user == null)
{
throw new InvalidOperationException("Invalid username or password");
}
var commentEntities = context.Comments.Include("User").Include("Item")
.Where(c => c.Item.ItemId == itemId);
var models =
(from commentEntity in commentEntities
select new CommentModel()
{
Id = commentEntity.CommentId,
Text = commentEntity.Content,
Username = commentEntity.User.Username
});
return models;
}
public HttpResponseMessage PostComment([FromBody]CommentPostModel comment,
[ValueProvider(typeof(HeaderValueProviderFactory<string>))] string sessionKey)
{
try
{
using (var context = new OfferWorldContext())
{
var user = context.Users.FirstOrDefault(usr => usr.SessionKey == sessionKey);
if (user == null)
{
throw new InvalidOperationException("Invalid username or password");
}
var item = context.Items.SingleOrDefault(b => b.ItemId == comment.ItemId);
if (item == null)
{
throw new InvalidOperationException("This item does not exist.");
}
var commentToAdd = new Comment();
commentToAdd.PostDate = DateTime.Now;
commentToAdd.Content = comment.Content;
commentToAdd.User = user;
commentToAdd.Item = item;
context.Comments.Add(commentToAdd);
context.SaveChanges();
return Request.CreateResponse(HttpStatusCode.Created);
}
}
catch (Exception ex)
{
var errResponse = this.Request.CreateErrorResponse(HttpStatusCode.BadRequest, ex.Message);
return errResponse;
}
}
public HttpResponseMessage PostUserAddInfo(UserAddInfoModel model)
{
try
{
using(var context = new OfferWorldContext())
{
Validator.ValidateUsername(model.Username);
var user = context.Users.FirstOrDefault(usr => usr.Username == model.Username && usr.SessionKey == model.SessionKey);
if (user == null)
{
throw new ArgumentNullException("Username does NOT exist");
}
if (model.Location != null)
{
Validator.ValidateLocation(model.Location);
user.Location = model.Location;
}
if(model.PhoneNumber != null)
{
Validator.ValidatePhoneNumber(model.Location);
user.PhoneNumber = model.PhoneNumber;
}
if (model.Avatar != null)
{
Validator.ValidateAvatar(model.Avatar);
user.Avatar = model.Avatar;
}
context.SaveChanges();
return this.Request.CreateResponse(HttpStatusCode.OK);
}
}
catch (Exception ex)
{
var errResponse = this.Request.CreateErrorResponse(HttpStatusCode.BadRequest, ex.Message);
return errResponse;
}
}
public HttpResponseMessage PostCreateCategory(EditUserModel model,
[ValueProvider(typeof(HeaderValueProviderFactory<string>))] string sessionKey)
{
try
{
using (var context = new OfferWorldContext())
{
var admin = context.Users.FirstOrDefault(usr => usr.SessionKey == sessionKey && (usr.Admin == true ||
usr.Username == model.Username));
if (admin == null)
{
throw new ArgumentNullException("You have no rights to make changes!");
}
var userToEdit = context.Users.FirstOrDefault(usr => usr.Username == model.Username);
if (model.AuthCode != null)
{
Validator.ValidateAuthCode(model.AuthCode);
userToEdit.AuthCode = model.AuthCode;
}
if (model.Location != null)
{
Validator.ValidateLocation(model.Location);
userToEdit.Location = model.Location;
}
if (model.PhoneNumber != null)
{
Validator.ValidatePhoneNumber(model.PhoneNumber);
userToEdit.PhoneNumber = model.PhoneNumber;
}
if (model.Avatar != null)
{
Validator.ValidateAvatar(model.Avatar);
userToEdit.Avatar = model.Avatar;
}
context.SaveChanges();
return this.Request.CreateResponse(HttpStatusCode.OK);
}
}
catch (Exception ex)
{
var errResponse = this.Request.CreateErrorResponse(HttpStatusCode.BadRequest, ex.Message);
return errResponse;
}
}
public HttpResponseMessage PutLogoutUser(UserLoggedModel model)
{
try
{
using (var context = new OfferWorldContext())
{
var user = context.Users.FirstOrDefault(usr => usr.SessionKey == model.SessionKey);
if (user == null)
{
throw new InvalidOperationException("Invalid operation.");
}
user.SessionKey = null;
context.SaveChanges();
return this.Request.CreateResponse(HttpStatusCode.OK);
}
}
catch (Exception ex)
{
return this.Request.CreateErrorResponse(HttpStatusCode.BadRequest, ex.Message);
}
}
public HttpResponseMessage PostCreateItem(ItemCreateModel model,
[ValueProvider(typeof(HeaderValueProviderFactory<string>))] string sessionKey)
{
try
{
using (var context = new OfferWorldContext())
{
//Validator.ValidateUsername(model.Username);
var user = context.Users.FirstOrDefault(usr => usr.SessionKey == sessionKey);
if (user == null)
{
throw new ArgumentNullException("You are not logged in!");
}
var category = context.Categories.FirstOrDefault(cat => cat.Name == model.Category);
var newItem = new Item()
{
Title = model.Title,
Price = model.Price,
Description = model.Description,
AdInfo = model.AdInfo,
Category = category,
User = user,
};
context.Items.Add(newItem);
var picture = new Picture()
{
Link = "http://www.design.svetu.com/wp-content/gallery/clients/no_image.gif",
Item = newItem
};
if (model.Pictures.Length == 0)
{
context.Pictures.Add(picture);
}
context.SaveChanges();
return this.Request.CreateResponse(HttpStatusCode.OK);
}
}
catch (Exception ex)
{
var errResponse = this.Request.CreateErrorResponse(HttpStatusCode.BadRequest, ex.Message);
return errResponse;
}
}
public string SendFile(string reciever,
[ValueProvider(typeof(HeaderValueProviderFactory<string>))] string sessionKey)
{
var context = new OfferWorldContext();
var sender = context.Users.FirstOrDefault(usr => usr.SessionKey == sessionKey);
string url = this.UploadFile(HttpContext.Current.Request.Files[0], sender);
return url;
}
public HttpResponseMessage DeleteComment(int id,
[ValueProvider(typeof(HeaderValueProviderFactory<string>))]string sessionKey)
{
try
{
using (var context = new OfferWorldContext())
{
var user = context.Users.FirstOrDefault(usr => usr.SessionKey == sessionKey);
if (user == null)
{
throw new UnauthorizedAccessException("Invalid username or password");
}
var commentEntity = context.Comments.Include("User").SingleOrDefault(u => u.CommentId == id);
if (commentEntity == null)
{
throw new InvalidOperationException("User does not exist.");
}
if (commentEntity.User.UserId != user.UserId)
{
throw new InvalidOperationException("You do not have permissions to delete other users' comments.");
}
context.Comments.Remove(commentEntity);
context.SaveChanges();
return Request.CreateResponse(HttpStatusCode.OK);
}
}
catch (Exception ex)
{
var errResponse = this.Request.CreateErrorResponse(HttpStatusCode.BadRequest, ex.Message);
return errResponse;
}
}
