public static void AddCar(Car car)
{
using (STOContext db = new STOContext())
{
db.Cars.Add(car);
db.SaveChanges();
}
}
public static void AddWorker(Worker workerToAdd)
{
using (STOContext db = new STOContext())
{
db.Workers.Add(workerToAdd);
db.SaveChanges();
}
}
public static void AddOwner(Owner ownerToAdd)
{
using (STOContext db = new STOContext())
{
db.Owners.Add(ownerToAdd);
db.SaveChanges();
}
}
public static List <Owner> FindOwners(int ownerID, int driverLicense,
string fioOwner, string adress, int phone)
{
List <Owner> owners = new List <Owner>();
using (STOContext db = new STOContext())
{
if (ownerID != 0)
{
owners = db.Owners.Where(k => k.OwnerID == ownerID).ToList();
}
if (driverLicense != 0)
{
if (owners.Count != 0)
{
owners = owners.Where(k => k.DriverLicense == driverLicense).ToList();
}
else
{
owners = db.Owners.Where(k => k.DriverLicense == driverLicense).ToList();
}
}
if (fioOwner != null)
{
if (owners.Count != 0)
{
owners = owners.Where(k => k.FioOwner == fioOwner).ToList();
}
else
{
owners = db.Owners.Where(k => k.FioOwner == fioOwner).ToList();
}
}
if (adress != null)
{
if (owners.Count != 0)
{
owners = owners.Where(k => k.Adress == adress).ToList();
}
else
{
owners = db.Owners.Where(k => k.Adress == adress).ToList();
}
}
if (phone != 0)
{
if (owners.Count != 0)
{
owners = owners.Where(k => k.Phone == phone).ToList();
}
else
{
owners = db.Owners.Where(k => k.Phone == phone).ToList();
}
}
}
return(owners);
}
public static Owner FindOwnerById(int id)
{
Owner owner = null;
using (STOContext db = new STOContext())
{
owner = db.Owners.Where(k => k.OwnerID == id).ToList().FirstOrDefault();
}
return(owner);
}
public static Car FindCarById(int id)
{
Car car = null;
using (STOContext db = new STOContext())
{
car = db.Cars.Where(k => k.CarID == id).ToList().FirstOrDefault();
}
return(car);
}
public static Worker FindWorkerById(int id)
{
Worker worker = null;
using (STOContext db = new STOContext())
{
worker = db.Workers.Where(k => k.WorkerID == id).ToList().FirstOrDefault();
}
return(worker);
}
public static void DeleteWorker(Worker workerToDelete)
{
using (STOContext db = new STOContext())
{
if (workerToDelete != null)
{
db.Workers.Remove(workerToDelete);
db.SaveChanges();
}
}
}
public static void UpdataWorker(Worker worker)
{
using (STOContext db = new STOContext())
{
if (worker != null)
{
db.Workers.Update(worker);
db.SaveChanges();
}
}
}
public static List <Owner> GetAll()
{
List <Owner> all = new List <Owner>();
using (STOContext db = new STOContext())
{
all = db.Owners.ToList();
}
return(all);
}
public static void DeleteCar(Car car)
{
using (STOContext db = new STOContext())
{
if (car != null)
{
db.Cars.Remove(car);
db.SaveChanges();
}
}
}
public static void UpdataCar(Car car)
{
using (STOContext db = new STOContext())
{
if (car != null)
{
db.Cars.Update(car);
db.SaveChanges();
}
}
}
public static void UpdataOwner(Owner owner)
{
using (STOContext db = new STOContext())
{
if (owner != null)
{
db.Owners.Update(owner);
db.SaveChanges();
}
}
}
public static void DeleteOwner(Owner ownerToDelete)
{
using (STOContext db = new STOContext())
{
if (ownerToDelete != null)
{
db.Owners.Remove(ownerToDelete);
db.SaveChanges();
}
}
}
public static List <Car> GetPage(int pageNumber, int sizeOfPage)
{
List <Car> all = new List <Car>();
using (STOContext db = new STOContext())
{
all = db.Cars.Include(t => t.Model)
.Include(t => t.Colour).Include(t => t.StateNumber).
Skip(pageNumber * sizeOfPage).Take(sizeOfPage).ToList();
}
return(all);
}
public static void Initialize(STOContext db)
{
db.Database.EnsureCreated();
int carsNumber = 25;
int ordersNumber = 50;
int ownersNumber = 10;
int workersNumber = 10;
InitializeOwners(db, ownersNumber);
InitializeWorkers(db, workersNumber);
InitializeCars(db, carsNumber, ownersNumber);
InitializeOrders(db, ordersNumber, carsNumber, workersNumber);
}
private static void InitializeOrders(STOContext db, int ordersNumber, int carsNumber, int workersNumber)
{
//проверка, занесены ли данные в Orders
if (db.Orders.Any())
{
return; //бд иницилизирована
}
int carID;
DateTime dateReceipt;
DateTime?dateCompletion;
int workerID;
Random randomObj = new Random(DateTime.Now.Month * 30 + DateTime.Now.Year * 365 + DateTime.Now.Day
+ DateTime.Now.Minute);
for (int OrderID = 1; OrderID <= ordersNumber; OrderID++)
{
var date = new DateTime(randomObj.Next(2000, 2020),
randomObj.Next(1, 12),
randomObj.Next(1, 28));
carID = db.Cars.Skip(randomObj.Next(0, db.Cars.Count() - 2)).First().CarID;
dateReceipt = date;
var twoDate = new DateTime(randomObj.Next(1, 10),
randomObj.Next(1, 12),
randomObj.Next(1, 28));
if (OrderID % 5 == 0)
{
dateCompletion = date.Add(new TimeSpan(twoDate.Ticks));
}
else
{
dateCompletion = null;
}
workerID = db.Workers.Skip(randomObj.Next(0, db.Workers.Count() - 2)).First().WorkerID;
db.Orders.Add(new Order
{
CarID = carID,
DateReceipt = dateReceipt,
DateCompletion = dateCompletion,
WorkerID = workerID
});
}
//сохранение изменений в бд, связанную с объектом контекста
db.SaveChanges();
}
private static void InitializeWorkers(STOContext db, int workersNumber)
{
//проверка, занесены ли данные в Workers
if (db.Workers.Any())
{
return; //бд иницилизирована
}
string fioWorker;
DateTime dateOfEmployment;
DateTime?dateOfDismissal;
decimal salary;
Random randomObj = new Random(1);
for (int WorkerID = 1; WorkerID <= workersNumber; WorkerID++)
{
var date = new DateTime(randomObj.Next(1990, 2018),
randomObj.Next(1, 12),
randomObj.Next(1, 28));
fioWorker = MyRandom.RandomString(15);
var twoDate = new DateTime(randomObj.Next(1, 10),
randomObj.Next(1, 12),
randomObj.Next(1, 28));
if (WorkerID % 5 == 0)
{
dateOfDismissal = date.Add(new TimeSpan(twoDate.Ticks));
}
else
{
dateOfDismissal = null;
}
dateOfEmployment = date;
salary = randomObj.Next(100, 1000);
db.Workers.Add(new Worker
{
FioWorker = fioWorker,
DateOfDismissal = dateOfDismissal,
DateOfEmployment = dateOfEmployment,
Salary = salary,
});
}
//сохранение изменений в бд, связанную с объектом контекста
db.SaveChanges();
}
private static void InitializeCars(STOContext db, int carsNumber, int ownersNumber)
{
//проверка, занесены ли данные в Cars
if (db.Cars.Any())
{
return; //бд иницилизирована
}
int ownerID;
string model;
int power;
string colour;
string stateNumber;
int yearOfIssue;
int bodyNumber;
int engineNumber;
Random randomObj = new Random(1);
for (int CarID = 1; CarID <= carsNumber; CarID++)
{
ownerID = db.Owners.Skip(randomObj.Next(0, db.Owners.Count() - 2)).First().OwnerID;
model = MyRandom.RandomString(10);
power = randomObj.Next(10, 100);
colour = MyRandom.RandomString(10);
stateNumber = MyRandom.RandomString(9);
yearOfIssue = randomObj.Next(1, 4);
bodyNumber = randomObj.Next(1, 10);
engineNumber = randomObj.Next(1, 10);
db.Cars.Add(new Car
{
OwnerID = ownerID,
Model = model,
Power = power,
Colour = colour,
StateNumber = stateNumber,
YearOfIssue = yearOfIssue,
BodyNumber = bodyNumber,
EngineNumber = engineNumber
});
}
//сохранение изменений в бд, связанную с объектом контекста
db.SaveChanges();
}
public static List <Worker> FindWorkers(string fioWorker, DateTime dateOfEmployment, DateTime?dateOfDismissal, decimal salary)
{
List <Worker> workers = new List <Worker>();
using (STOContext db = new STOContext())
{
if (fioWorker != null && fioWorker != "")
{
workers = db.Workers.Where(k => k.FioWorker == fioWorker).ToList();
}
if (dateOfEmployment != null)
{
if (workers.Count != 0)
{
workers = workers.Where(k => k.DateOfEmployment == dateOfEmployment).ToList();
}
else
{
workers = db.Workers.Where(k => k.DateOfEmployment == dateOfEmployment).ToList();
}
}
if (dateOfDismissal != null)
{
if (workers.Count != 0)
{
workers = workers.Where(k => k.DateOfDismissal == dateOfDismissal).ToList();
}
else
{
workers = db.Workers.Where(k => k.DateOfDismissal == dateOfDismissal).ToList();
}
}
if (salary != 0)
{
workers = db.Workers.Where(k => k.Salary == salary).ToList();
}
}
return(workers);
}
public static List <Order> FindOrders(DateTime dateReceipt, DateTime?dateCompletion)
{
List <Order> orders = new List <Order>();
using (STOContext db = new STOContext())
{
if (dateReceipt != null)
{
orders = db.Orders.Where(k => k.DateReceipt == dateReceipt).ToList();
}
if (dateCompletion != null)
{
if (orders.Count != 0)
{
orders = orders.Where(k => k.DateCompletion == dateCompletion).ToList();
}
else
{
orders = db.Orders.Where(k => k.DateCompletion == dateCompletion).ToList();
}
}
}
return(orders);
}
private static void InitializeOwners(STOContext db, int ownersNumber)
{
//проверка, занесены ли данные в Owners
if (db.Owners.Any())
{
return; //бд иницилизирована
}
int ownerID;
int driverLicense;
string fioOwner;
string adress;
int phone;
Random randomObj = new Random(1);
for (int OwnerID = 1; OwnerID <= ownersNumber; OwnerID++)
{
ownerID = OwnerID;
driverLicense = randomObj.Next(1, 3000);
fioOwner = MyRandom.RandomString(15);
adress = MyRandom.RandomString(15);
phone = randomObj.Next(1, 1000000);
db.Owners.Add(new Owner
{
DriverLicense = driverLicense,
FioOwner = fioOwner,
Adress = adress,
Phone = phone
});
}
//сохранение изменений в бд, связанную с объектом контекста
db.SaveChanges();
}
public static List <Car> FindCar(string model, int power,
string colour, string stateNumber, int yearOfIssue, int bodyNumber, int engineNumber)
{
List <Car> cars = new List <Car>();
using (STOContext db = new STOContext())
{
if (model != null)
{
cars = db.Cars.Where(k => k.Model == model).ToList();
}
if (power != 0)
{
if (cars.Count != 0)
{
cars = cars.Where(k => k.Power == power).ToList();
}
else
{
cars = db.Cars.Where(k => k.Power == power).ToList();
}
}
if (colour != null)
{
if (cars.Count != 0)
{
cars = cars.Where(k => k.Colour == colour).ToList();
}
else
{
cars = db.Cars.Where(k => k.Colour == colour).ToList();
}
}
if (stateNumber != null)
{
if (cars.Count != 0)
{
cars = cars.Where(k => k.StateNumber == stateNumber).ToList();
}
else
{
cars = db.Cars.Where(k => k.StateNumber == stateNumber).ToList();
}
}
if (yearOfIssue != 0)
{
if (cars.Count != 0)
{
cars = cars.Where(k => k.YearOfIssue == yearOfIssue).ToList();
}
else
{
cars = db.Cars.Where(k => k.YearOfIssue == yearOfIssue).ToList();
}
}
if (bodyNumber != 0)
{
if (cars.Count != 0)
{
cars = cars.Where(k => k.BodyNumber == bodyNumber).ToList();
}
else
{
cars = db.Cars.Where(k => k.BodyNumber == bodyNumber).ToList();
}
}
if (engineNumber != 0)
{
if (cars.Count != 0)
{
cars = cars.Where(k => k.EngineNumber == engineNumber).ToList();
}
else
{
cars = db.Cars.Where(k => k.EngineNumber == engineNumber).ToList();
}
}
}
return(cars);
}
