public override async Task DeleteAStudent(StudentsLookupModel request, IServerStreamWriter <StudentsModel> responseStream, ServerCallContext context)
{
StudentsModel output = new StudentsModel();
using (DbprofilDbcontext contxt = new DbprofilDbcontext())
{ var row = contxt.profiles.FirstOrDefault(r => r.matricNo == request.MatricNo);
var itemToRemove = contxt.profiles.SingleOrDefault(x => x.matricNo == request.MatricNo);
if (itemToRemove != null)
{
contxt.profiles.Remove(itemToRemove);
contxt.SaveChanges();
}
else
{
} }
Dbrepository dbRptObj = new Dbrepository();
var studentsList = dbRptObj.GetProfiles();
foreach (var studentsData in studentsList)
{
output.MatricNo = studentsData.matricNo;
output.Name = studentsData.name;
output.ProfilePicture = Google.Protobuf.ByteString.FromBase64(Convert.ToBase64String(studentsData.profilePics));
output.BloodGroup = studentsData.bloodGroup;
output.Programme = studentsData.programme;
output.School = studentsData.school;
await responseStream.WriteAsync(output);
}
// return base.DeleteAStudent(request, responseStream, context);
}
static async Task PerformAsync()
{
List <DbProfile> parsedData;
await Task.Run(() =>
{
parsedData = ParseJsonResponce(Properties.Settings.Default.Sample);
Database.SetInitializer(new DropCreateDatabaseAlways <DbprofilDbcontext>());
using (var context = new DbprofilDbcontext())
{
context.Database.Initialize(true);
//radProgressBar1.Text = "Working";
using (SqlCeBulkCopy bcp = new SqlCeBulkCopy(context.Database.Connection.ConnectionString))
{
bcp.DestinationTableName = "DbProfiles";
// sw.Restart();
bcp.WriteToServer(parsedData);
// parsedData = null;
//sw.Stop();
//Console.WriteLine(
// "Saved {0} entities using SqlCeBulkCopy in {1}", students.Count, sw.Elapsed.ToString());
}
}
});
}
static void Main(string[] args)
{
Server server = new Server
{
Services = { Students.BindService(new Students_Profiles()) },
Ports = { new ServerPort("localhost", Convert.ToInt32(Properties.Settings.Default.Port), ServerCredentials.Insecure) }
};
server.Start();
Console.WriteLine("gRPC server listening on port " + Properties.Settings.Default.Port);
Console.WriteLine("Press any key to stop the server...");
string path = AppDomain.CurrentDomain.BaseDirectory;
if (!File.Exists(path + @"\\gRPC_Server.DbprofilDbcontext.sdf"))
{
Console.WriteLine(path);
using (DbprofilDbcontext db = new DbprofilDbcontext())
{
db.profiles.ToList();
}
Task PerformInsertAsync = PerformAsync();
}
Console.ReadKey();
server.ShutdownAsync().Wait();
}
public override Task <StudentsModel> GetStudentsInfo(StudentsLookupModel request, ServerCallContext context)
{
StudentsModel output = new StudentsModel();
using (DbprofilDbcontext contxt = new DbprofilDbcontext())
{
var row = contxt.profiles.FirstOrDefault(r => r.matricNo == request.MatricNo);
if (row != null)
{
output.MatricNo = row.matricNo;
output.Name = row.name;
output.ProfilePicture = Google.Protobuf.ByteString.FromBase64(Convert.ToBase64String(row.profilePics));
output.BloodGroup = row.bloodGroup;
output.Programme = row.programme;
output.School = row.school;
}
else
{
}
return(Task.FromResult(output));
}
}
public override Task <Result> AddStudent(StudentsModel request, ServerCallContext context)
{
Result output = new Result();
using (DbprofilDbcontext contxt = new DbprofilDbcontext())
{
try
{
var itemCheck = contxt.profiles.SingleOrDefault(x => x.matricNo == request.MatricNo);
if (itemCheck == null)
{
DbProfile dbP = new DbProfile();
dbP.name = request.Name;
dbP.matricNo = request.MatricNo;
dbP.programme = request.Programme;
dbP.school = request.School;
dbP.bloodGroup = request.BloodGroup;
dbP.profilePics = Convert.FromBase64String(request.ProfilePicture.ToBase64());
dbP.ClientGuid = Guid.NewGuid();
contxt.profiles.Add(dbP);
contxt.SaveChanges();
output.Prompt = "Success";
}
else
{
output.Prompt = "Matric No Already Exist";
}
}
catch (Exception ex)
{
output.Prompt = ex.Message;
}
}
return(Task.FromResult(output));
}
public List <DbProfile> GetProfiles()
{
DbprofilDbcontext dbPrdbc = new DbprofilDbcontext();
return(dbPrdbc.profiles.ToList());
}
