public Result <User> Create(string email, string name, string address, DateTime birthDate)
{
var context = new CrowDoDbContext();
var result = new Result <User>();
//Validations
if (IsValidEmail(email) == false)
{
result.ErrorCode = 10;
result.ErrorText = "Invalid email";
return(result);
}
if (string.IsNullOrWhiteSpace(name))
{
result.ErrorCode = 11;
result.ErrorText = "Invalid name";
return(result);
}
if (birthDate.AddYears(18) > DateTime.Now)
{
result.ErrorCode = 12;
result.ErrorText = "Not permited";
return(result);
}
var existingEmail = context.Set <User>().Where(m => m.Email == email).Any(); // returns bool //
if (existingEmail == true)
{
result.ErrorCode = 13;
result.ErrorText = "An account with the same email already exists";
return(result);
}
var user = new User()
{
Email = email,
Name = name,
Address = address,
BirthDate = birthDate,
RegistrationDate = DateTime.Now
};
context.Add(user);
if (context.SaveChanges() < 1) // validation for Savechanges
{
result.ErrorCode = 13;
result.ErrorText = "An error occured while saving data";
return(result);
}
result.Data = user;
return(result);
}
public Result <bool> FundProject(int userId, int projectId, int rewardPackageId)
{
var result = new Result <bool>();
var context = new CrowDoDbContext();
var backer = context.Set <User>()
.SingleOrDefault(c => c.UserId == userId);
var package = context.Set <RewardPackage>()
.SingleOrDefault(c => c.RewardPackageId == rewardPackageId);
var project = context.Set <Project>()
.Include(p => p.RewardPackages)
.SingleOrDefault(p => p.ProjectId == projectId);
if (backer == null)
{
result.ErrorCode = 20;
result.ErrorText = "User not registered";
return(result);
}
if (package == null)
{
result.ErrorCode = 19;
result.ErrorText = "Reward package not found";
return(result);
}
if (project == null)
{
result.ErrorCode = 18;
result.ErrorText = "Project not found";
return(result);
}
if (project.IsAvailable == false)
{
result.ErrorCode = 29;
result.ErrorText = "Project not available";
return(result);
}
if (!project.RewardPackages.Contains(package))
{
result.ErrorCode = 25;
result.ErrorText = "The selected RewardPackage isn't available for this project";
return(result);
}
project.Funds += package.Price;
if (project.Funds >= project.ProjectGoal)
{
project.IsSuccessful = true;
}
var backerReward = new LinkingTable
{
UserId = backer.UserId,
RewardPackageId = package.RewardPackageId,
ProjectId = projectId
};
context.Add(backerReward);
if (context.SaveChanges() < 1)
{
result.ErrorCode = 7;
result.ErrorText = "An error occurred while saving data";
return(result);
}
result.Data = true;
return(result);
}
