private static void InitializeTourkinds(ToursDbContext db, int tourkindsCount)
{
db.Database.EnsureCreated();
// Check if table TourKinds has elements
if (db.TourKinds.Any())
{
return; // Database was initialised
}
string name;
string description;
string constraints;
Random randObj = new Random(1);
for (int id = 1; id <= tourkindsCount; id++)
{
name = MyRandom.RandomString(randObj.Next(5, 10));
description = MyRandom.RandomString(randObj.Next(15, 40));
constraints = MyRandom.RandomString(randObj.Next(5, 10));
db.TourKinds.Add(new TourKind
{
Name = name,
Description = description,
Constraints = constraints
});
}
//save changes in database
db.SaveChanges();
}
public static void Initialize(ToursDbContext db)
{
db.Database.EnsureCreated();
int clientsCount = 40;
int toursCount = 40;
int tourkindsCount = 100;
InitializeTourkinds(db, tourkindsCount);
InitializeClients(db, clientsCount);
InitializeTours(db, toursCount, clientsCount, tourkindsCount);
}
private static void InitializeTours(ToursDbContext db, int toursCount, int clientsCount, int tourkindsCount)
{
db.Database.EnsureCreated();
// Check if table Tours has elements
if (db.Tours.Any())
{
return; // Database was initialised
}
double price;
int tourKindId;
int clientId;
DateTime startDate;
DateTime endDate;
Random randObj = new Random(1);
for (int id = 1; id <= toursCount; id++)
{
startDate = new DateTime(randObj.Next(1990, 2016),
randObj.Next(1, 12),
randObj.Next(1, 28));
endDate = new DateTime(randObj.Next(1990, 2016),
randObj.Next(1, 12),
randObj.Next(1, 28));
tourKindId = randObj.Next(1, tourkindsCount - 1);
clientId = randObj.Next(1, clientsCount - 1);
price = randObj.NextDouble() * 10;
db.Tours.Add(new Tour
{
ClientId = clientId,
TourKindId = tourKindId,
StartDate = startDate,
EndDate = endDate,
Price = price
});
}
//save changes in database
db.SaveChanges();
}
private static void InitializeClients(ToursDbContext db, int clientsCount)
{
db.Database.EnsureCreated();
// Check if table Clients has elements
if (db.Clients.Any())
{
return; // Database was initialised
}
string name;
string phone;
DateTime birthday;
Random randObj = new Random(1);
for (int id = 1; id <= clientsCount; id++)
{
birthday = new DateTime(randObj.Next(1990, 2016),
randObj.Next(1, 12),
randObj.Next(1, 28));
phone = "" + randObj.Next(1000000, 9999999);
name = MyRandom.RandomString(randObj.Next(5, 10));
db.Clients.Add(new Client
{
Name = name,
Birthday = birthday,
Phone = phone
});
}
//save changes in database
db.SaveChanges();
}
