public Tuple <string, bool> SaveVote(int id, int electorateId, string candidateIds, int partyId, bool referendum)
{
using (var ctx = _dbContext = new votingBackendDbContext(builder.Options))
{
try
{
UserVote user = ctx.UserVoteSet.Single <UserVote>(s => s.Id == id);
if (user.VoteSaved)
{
Tuple.Create("Vote Already Saved", false);
}
user.ElectorateId = electorateId;
user.CandidateIds = candidateIds;
user.PartyId = partyId;
user.Referendum = referendum;
user.VoteSaved = true;
ctx.Entry(user).State = EntityState.Modified;
ctx.SaveChanges();
return(Tuple.Create("Vote Saved", true));
}
catch
{
return(Tuple.Create("Unable to save vote", false));
}
}
}
public Tuple <string, bool> Register(string first, string last, string dob, string electoralId)
{
UserVote user = new UserVote()
{
FirstName = first,
LastName = last,
DoB = DateTime.Parse(dob),
ElectoralId = electoralId,
VoteSaved = false
};
using (var ctx = _dbContext = new votingBackendDbContext(builder.Options))
{
try
{
ctx.UserVoteSet.Add(user);
ctx.SaveChanges();
if (user.Id >= 0)
{
return(Tuple.Create("Success", true));
}
else
{
return(Tuple.Create("Unable to register user", false));
}
}
catch
{
return(Tuple.Create("Unable to register user", false));
}
}
}
public Tuple <string, bool> AddCandidate(string name, string detail, string image)
{
Candidate newItem = new Candidate()
{
Name = name,
Detail = detail,
Image = image
};
using (var ctx = _dbContext = new votingBackendDbContext(builder.Options))
{
try
{
ctx.CandidateSet.Add(newItem);
ctx.SaveChanges();
if (newItem.Id >= 0)
{
return(Tuple.Create("Success", true));
}
else
{
return(Tuple.Create("Unable to register Candidate", false));
}
}
catch (Exception ex)
{
return(Tuple.Create(ex.Message, false));
}
}
}
public Tuple <List <Party>, string, bool> GetParties()
{
List <Party> listItems = new List <Party>();
using (var ctx = _dbContext = new votingBackendDbContext(builder.Options))
{
try
{
var result = (from i in ctx.PartySet
select new Party
{
Id = i.Id,
Name = i.Name,
Detail = i.Detail,
Image = i.Image
}).ToList();
if (result.Count > 0)
{
listItems = result;
return(Tuple.Create(listItems, "Success", true));
}
else
{
return(Tuple.Create(listItems, "Unable to get Parties", false));
}
}
catch (Exception ex)
{
return(Tuple.Create(listItems, ex.Message, false));
}
}
}
public Tuple <string, bool> NewReferendum(string name, string detail, string images)
{
Referendum newItem = new Referendum()
{
Name = name,
Detail = detail,
Images = images,
Active = true
};
using (var ctx = _dbContext = new votingBackendDbContext(builder.Options))
{
try
{
var update = (from r in ctx.ReferendumSet
where r.Active == true
select new Referendum
{
Id = r.Id,
Name = r.Name,
Detail = r.Detail,
Images = r.Images,
Active = r.Active
}).ToList();
foreach (var item in update)
{
item.Active = false;
ctx.Entry(item).State = EntityState.Modified;
}
ctx.ReferendumSet.Add(newItem);
ctx.SaveChanges();
if (newItem.Id >= 0)
{
return(Tuple.Create("Success", true));
}
else
{
return(Tuple.Create("Unable to register Referendum", false));
}
}
catch (Exception ex)
{
return(Tuple.Create(ex.Message, false));
}
}
}
public Tuple <UserVote, string, bool> Authenticate(string first, string last, string dob, string electoral)
{
UserVote user = new UserVote();
using (var ctx = _dbContext = new votingBackendDbContext(builder.Options))
{
try
{
var result = (from u in ctx.UserVoteSet
where u.FirstName == first && u.LastName == last && u.DoB == DateTime.Parse(dob) && u.ElectoralId == electoral
select new UserVote
{
Id = u.Id,
FirstName = u.FirstName,
LastName = u.LastName,
DoB = u.DoB,
ElectoralId = u.ElectoralId,
ElectorateId = u.ElectorateId,
CandidateIds = u.CandidateIds,
PartyId = u.PartyId,
Referendum = u.Referendum,
VoteSaved = u.VoteSaved
}).ToList();
if (result.Count == 1)
{
if (result.FirstOrDefault() != null)
{
user = result.FirstOrDefault();
return(Tuple.Create(user, "Success", true));
}
else
{
return(Tuple.Create(user, "Invalid Login", false));
}
}
else
{
return(Tuple.Create(user, "Invalid Login", false));
}
}
catch (Exception ex)
{
return(Tuple.Create(user, ex.Message, false));
}
}
}
public Tuple <Referendum, string, bool> GetReferendum()
{
Referendum listItems = new Referendum();
using (var ctx = _dbContext = new votingBackendDbContext(builder.Options))
{
try
{
var result = (from i in ctx.ReferendumSet
where i.Active == true
select new Referendum
{
Id = i.Id,
Name = i.Name,
Detail = i.Detail,
Images = i.Images
}).ToList();
if (result.Count != 0)
{
if (result.FirstOrDefault() != null)
{
listItems = result.FirstOrDefault();
return(Tuple.Create(listItems, "Success", true));
}
else
{
return(Tuple.Create(listItems, "Unable to get Referendum", false));
}
}
else
{
return(Tuple.Create(listItems, "Unable to get Referendum", false));
}
}
catch (Exception ex)
{
return(Tuple.Create(listItems, ex.Message, false));
}
}
}
