public IEnumerable <IGrouping <int, Host> > GetAllHostsGruopByAmountOfHostingUnits()
{
Idal d = FactoryDal.getDal();
return(from item in d.GetHosts()
let amount = item.amountOfHostingUnits
group item by amount into g
select g);
}
public static Idal getDAL()
{
if (dal == null)
{
dal = new Dal_XML_imp(); //FILES
}
//dal = new Dal_imp();
return(dal);
}
private void fetchReport()
{
Idal dal = FactoryDal.GetDal();
oldReport = dal.GetReport(updatedReport.ReportID);
UpdatedReport.NewCoordinates = oldReport.LatLongLocation;
UpdatedReport.NewTime = oldReport.FallingTime;
UpdatedReport.NumberOfHits = oldReport.NumberOfBooms;
}
public IEnumerable <Order> GetOrders()
{
Idal d = FactoryDal.getDal();
if (d.GetOrders() == null)
{
throw new ArgumentNullException("BL: Couldn't return guests request because its list is empty");
}
return(d.GetOrders());
}
public List <BankBranch> GetBankBranches()
{
Idal d = FactoryDal.getDal();
if (d.GetBankBranches().Count() == 0)
{
throw new ArgumentNullException("BL: Couldn't return bank branches because its list is empty");
}
return(d.GetBankBranches());
}
public IEnumerable <GuestRequest> GetGuests()
{
Idal d = FactoryDal.getDal();
if (d.GetGuests().Count() == 0)
{
throw new ArgumentNullException("BL: Couldn't return guests request because its list is empty");
}
return(d.GetGuests());
}
public IEnumerable <HostingUnit> GetHostingUnitCopy()
{
Idal d = FactoryDal.getDal();
if (d.GetHostingUnitCopy().Count() == 0)
{
throw new ArgumentNullException("BL: Couldn't return hosting unit because its list is empty");
}
return(d.GetHostingUnitCopy());
}
public List <Mother> SelectedMothers(String motherID)//returns list of mothers that close to specific mother
{
Idal mydal = FactoryDal.getDal();
Mother specificMother = mydal.GetMothersList().ToList().Find(m => m.ID == motherID);
List <Mother> Selectedmothers = (from mother in mydal.GetMothersList()
where Distance(mother.PersonAddress, specificMother.PersonAddress) < 0.250 //checks for each mother if she close to the specific mother in a distance less than 250 meter
select mother).ToList();
return(Selectedmothers);
}
public MyBL()
{
try
{
DataAccess = SingletonFactoryDAL.GetDal();
}
catch (DalFileErrorException)
{
throw new BlFileErrorException();
}
}
private bool canAddReporter()
{
Idal dal = FactoryDal.GetDal();
bool reporterExists = dal.ReporterIDExists(reporter.ReporterID);
return
(reporter.ReporterID != 0 &&
reporter.ReporterAddress != "" &&
reporter.ReporterAddress != null &&
!dal.ReporterIDExists(reporter.ReporterID));
}
public void AddContract(Contract contract)
{
Idal mydal = FactoryDal.getDal();
Nanny N_temp = new Nanny();
if (mydal.getAllNannys().Find(item => item.ID == contract.NannyID) != null)
{
N_temp = mydal.getAllNannys().Find(item => item.ID == contract.NannyID);
contract.SalaryPerHour = N_temp.TariffPerHour;// updating tariff of contract according to nanny.
contract.SalaryPerMonth = N_temp.TariffPerMonth;
}
else
{
throw new Exception("ERROR!:Nanny does not exist\n");
}
Child M_temp = new Child();
if (mydal.getAllChilds().Find((item => item.ID == contract.ChildID)) != null)
{
M_temp = mydal.getAllChilds().Find(item => item.ID == contract.ChildID);
}
else
{
throw new Exception("ERROR!: Child does not exist\n");
}
if (!mydal.getAllMothers().Any(item => item.ID == M_temp.MotherID))
{
throw new Exception("ERROR!:Mother does not exist\n");
}
List <Contract> Nannys_Contracts = new List <Contract>(); // Checking if another contract can be added to specific nanny.
Nannys_Contracts = mydal.getAllContracts().FindAll(item => item.NannyID == N_temp.ID);
if (Nannys_Contracts.Count == N_temp.MaxKids)
{
throw new Exception("ERROR!:Nanny is full\n");
}
if (mydal.getAllContracts().Exists(item => item.MotherID == contract.MotherID))//check if the mother has more children and update if does(הנחה של אמא מול מערכת ולא מול נני)
{
contract.Siblings = true;
}
try
{
mydal.AddContract(contract);
}
catch (Exception e)
{
throw e;
}
}
public bool update_client(Client Cl)
{
XDal = FactorySingletonDal.getInstanceDal();
if (XDal.update_client(Cl))
{
return(true);
}
else
{
return(false);
}
}
public bool update_ordered_d(Ordered_Dish Or)
{
XDal = FactorySingletonDal.getInstanceDal();
if (XDal.update_ordered_d(Or))
{
return(true);
}
else
{
return(false);
}
}
private bool canSendReport()
{
Idal dal = FactoryDal.GetDal();
return
(report.NumberOfBooms != 0 &&
report.FallingTime != null &&
report.LatLongLocation != null &&
report.ReportID != 0 &&
!dal.ReportIDExists(report.ReportID) &&
dal.ReporterIDExists(report.ReporterID));
}
public bool update_dish(Dish D)
{
XDal = FactorySingletonDal.getInstanceDal();
if (XDal.update_dish(D))
{
return(true);
}
else
{
return(false);
}
}
public string TheMostWantedArea()
{
Idal d = FactoryDal.getDal();
int North = 0, South = 0, West = 0, East = 0, Center = 0;
foreach (var item in d.GetGuests())
{
if (item.Area == BE.Enum.Area.North)
{
North++;
}
if (item.Area == BE.Enum.Area.South)
{
South++;
}
if (item.Area == BE.Enum.Area.West)
{
West++;
}
if (item.Area == BE.Enum.Area.East)
{
East++;
}
if (item.Area == BE.Enum.Area.Center)
{
Center++;
}
}
int most = North;
string name = "North";
if (South > most)
{
most = South;
name = "South";
}
if (West > most)
{
most = West;
name = "West";
}
if (East > most)
{
most = East;
name = "East";
}
if (Center > most)
{
most = Center;
name = "Center";
}
return(name);
}
public bool update_branch(Branch B)
{
XDal = FactorySingletonDal.getInstanceDal();
if (XDal.update_branch(B))
{
return(true);
}
else
{
return(false);
}
}
public bool cancel_order(Order O)
{
XDal = FactorySingletonDal.getInstanceDal();
if (XDal.cancel_order(O))
{
return(true);
}
else
{
return(false);
}
}
public static Idal getDal()
{
if (dl == null)
{
dl = new Dal_XML_imp();
}
// dl = new Dal_imp();
return(dl);
}
public void AddNanny(Nanny nanny)
{
//logical actions
if ((DateTime.Now.Year - nanny.NannyD_of_B.Year) < 18)
{
throw new Exception("We do not work with nannies under the age of 18");
}
//call DAL for action
Idal mydal = FactoryDal.getDal();
mydal.AddNanny(nanny);
}
public void DeleteChild(Child newchild)
{
Contract contract = GetContractByChild(newchild);
if (contract != null)
{
DeleteContract(contract); //delete the contract with this child, if exist
}
Idal mydal = FactoryDal.getDal();
mydal.DeleteChild(newchild); //send to lower layer DAL
}
public void DeleteNanny(Nanny Newnanny)
{
List <Contract> ContractOfNanny = GetContractByNanny(Newnanny);
foreach (Contract contract in ContractOfNanny) //delete all contracts of this nanny
{
DeleteContract(contract);
}
Idal mydal = FactoryDal.getDal();
mydal.DeleteNanny(Newnanny); //send to lower layer DAL
}
public void DeleteMother(Mother newmother)
{
List <Child> ChildsByMother = GetChildsByMother(newmother); //get all childs of this mother
foreach (Child child in ChildsByMother) //delete all childs (and their contracts)
{
DeleteChild(child);
}
Idal mydal = FactoryDal.getDal();
mydal.DeleteMother(newmother); //send to lower layer DAL
}
public void DeleteNanny(Nanny n)
{
Idal mydal = FactoryDal.getDal();
try
{
mydal.DeleteNanny(n, true);
}
catch (Exception e)
{
throw e;
}
}
public void DeleteMother(Mother m)
{
Idal mydal = FactoryDal.getDal();
try
{
mydal.DeleteMother(m, true);
}
catch (Exception e)
{
throw e;
}
}
static List <Nanny> DisNannys = new List <Nanny>();//list of nannies that exist in the distance that the mother need
public void AddChild(Child c)
{
Idal mydal = FactoryDal.getDal();
try
{
mydal.AddChild(c);
}
catch (Exception e)
{
throw e;
}
}
public void UpdateNanny(Nanny nanny)
{
Idal mydal = FactoryDal.getDal();
try
{
mydal.UpdateNanny(nanny);
}
catch (Exception e)
{
throw e;
}
}
public void UpdateMother(Mother mother)
{
Idal mydal = FactoryDal.getDal();
try
{
mydal.UpdateMother(mother);
}
catch (Exception e)
{
throw e;
}
}
public void UpdateContract(Contract contract)
{
Idal mydal = FactoryDal.getDal();
try
{
mydal.UpdateContract(contract);
}
catch (Exception e)
{
throw e;
}
}
public void UpdateChild(Child child)
{
Idal mydal = FactoryDal.getDal();
try
{
mydal.UpdateChild(child);
}
catch (Exception e)
{
throw e;
}
}