public void SpecialEvents_Update(SpecialEvent item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
context.Entry<SpecialEvent>(context.SpecialEvents.Attach(item)).State =System.Data.Entity.EntityState.Modified;
context.SaveChanges();
}
}
public void SpecialEvents_Delete(SpecialEvent item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
SpecialEvent existing = context.SpecialEvents.Find(item.EventCode);
context.SpecialEvents.Remove(existing);
context.SaveChanges();
}
}
public void SpecialEvents_Add(SpecialEvent item)
{
using(eRestaurantContext context = new eRestaurantContext())
{
SpecialEvent added = null;
added = context.SpecialEvents.Add(item);
context.SaveChanges(); //Commits the add to the database.
//Furthermore, this evaluates the annotations (validates) on the entity.
//Included: [Required], [StringLength], [Range], etc.
}
}
public void SpecialEvents_Add(SpecialEvent item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
SpecialEvent added = null;
added = context.SpecialEvents.Add(item);
// commits the add to the database
// evaluates the annotations (validations) on your entity
// [Required],[StringLength],[Range],...
context.SaveChanges();
}
}
public void SpecialEvents_Delete(SpecialEvent item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
//lookup the instance and record if found
SpecialEvent existing = context.SpecialEvents.Find(item.EventCode);
//setup command to execute the delete
context.SpecialEvents.Remove(existing);
//command is not executed untill it is actually saved
context.SaveChanges();
}
}
public void Waiters_Update(Waiter item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
// indicate the updateing item instance
//alter the Modified Status flag for this instance
context.Entry<Waiter>(context.Waiters.Attach(item)).State =
System.Data.Entity.EntityState.Modified;
//command is not executed until it it actually saved.
context.SaveChanges();
}
}
public int Waiters_Add(Waiter item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
// these methods are execute using an instance level item
// set up a instance pointer and initialize to null
Waiter added = null;
// set up commanc to execute the add
added = context.Waiters.Add(item);
//command is not executed until it it actually saved.
context.SaveChanges();
// the Waiter instance added contains the newly inserted
// record to sql including the generated play value
return added.WaiterID;
}
}
public void Waiters_Delete(Waiter item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
//lookup the instance and record if found (set pointer to instance)
Waiter existing = context.Waiters.Find(item.WaiterID);
//setup the command to execute the delete
context.Waiters.Remove(existing);
//command is not executed until it is actually saved.
context.SaveChanges();
}
}
//seating of reservations
public void SeatCustomer(DateTime when, int reservationId, List<byte> tables, int waiterId)
{
var availableSeats = AvailableSeatingByDateTime(when.Date, when.TimeOfDay);
using (var context = new eRestaurantContext())
{
List<string> errors = new List<string>();
// Rule checking:
// - Reservation must be in Booked status
// - Table must be available - typically a direct check on the table, but proxied based on the mocked time here
// - Table must be big enough for the # of customers
var reservation = context.Reservations.Find(reservationId);
if (reservation == null)
errors.Add("The specified reservation does not exist");
else if (reservation.ReservationStatus != Reservation.Booked)
errors.Add("The reservation's status is not valid for seating. Only booked reservations can be seated.");
//is there sufficient seating available for the reservation
var capacity = 0;
foreach (var tableNumber in tables)
{
if (!availableSeats.Exists(x => x.Table == tableNumber))
errors.Add("Table " + tableNumber + " is currently not available");
else
capacity += availableSeats.Single(x => x.Table == tableNumber).Seating;
}
if (capacity < reservation.NumberInParty)
errors.Add("Insufficient seating capacity for number of customers. Alternate tables must be used.");
if (errors.Count > 0)
throw new BusinessRuleException("Unable to seat reseervation", errors);
// 1) Create a blank bill with assigned waiter
Bill seatedCustomer = new Bill()
{
BillDate = when,
NumberInParty = reservation.NumberInParty,
WaiterID = waiterId,
ReservationID = reservation.ReservationID
};
context.Bills.Add(seatedCustomer);
// 2) Add the tables for the reservation (ReservationTables) n adds depending on the number of tables assigned
foreach (var tableNumber in tables)
reservation.Tables.Add(context.Tables.Single(x => x.TableNumber == tableNumber));
// 3) Update the reservation status to arrived
reservation.ReservationStatus = Reservation.Arrived;
var updatable = context.Entry(context.Reservations.Attach(reservation));
updatable.Property(x => x.ReservationStatus).IsModified = true;
//updatable.Reference(x=>x.Tables).
// 4) Save changes
context.SaveChanges();
}
//string message = String.Format("Not yet implemented. Need to seat reservation {0} for waiter {1} at tables {2}", reservationId, waiterId, string.Join(", ", tables));
//throw new NotImplementedException(message);
}
public void Waiters_Update(Waiter item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
context.Entry<Waiter>(context.Waiters.Attach(item)).State = System.Data.Entity.EntityState.Modified;
context.SaveChanges();
}
}
public int Waiter_Add(Waiter item)
{
//input into this method is at the instance level
using (eRestaurantContext context = new eRestaurantContext())
{
//create a pointer variable for the instance type
//set this pointer to null
Waiter added = null;
//set up the add request for the dbContext
added = context.Waiters.Add(item);
//Saving the changes will cause the .Add to execute
//commits the add to the database
//evaluates the annotations(validation) on your entity
context.SaveChanges();
return added.WaiterID;
}
}
public void SpecialEvents_Delete(SpecialEvent item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
//look up the item instance on the database to determine if the instance exists
//On delete make sutre u reference the PK
SpecialEvent existing = context.SpecialEvents.Find(item.EventCode);
//set up the delete request command
context.SpecialEvents.Remove(existing);
//commit the action to happen
context.SaveChanges();
}
}
public int Waiters_Add(Waiter item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
Waiter added = null;
added = context.Waiters.Add(item);
//comment is not used until it is actully save
context.SaveChanges();
//the waiter instence added contains the newly inserted
//record to sql including the genrated pkey value
return added.WaiterID;
}
}
public void SpecialEvent_Add(SpecialEvent item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
SpecialEvent added = null;
added = context.SpecialEvents.Add(item);
//comment is not used until it is actully save
context.SaveChanges();
}
}
public void Waiter_Delete(Waiter item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
//look th eitem instance on th edatabase to detemine if the insatnce exist
//on the delete make sure u have PK name
Waiter existing = context.Waiters.Find(item.WaiterID);
//set up the data command request
existing = context.Waiters.Remove(existing);
//commit the action to happen
context.SaveChanges();
}
}
public int Waiters_Add(Waiter item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
//create a pointer variable for the instance type
//set this pointer to null
Waiter added = null;
//set up the add request for the dbcontext
added = context.Waiters.Add(item);
//saving the changes will cause the .Add to execute
//commits the add to the database
//evaluates the annotations (validation) on your entity
context.SaveChanges();
//added contains the data of the newly added waiter
//including rgw pkey value.
return added.WaiterID;
}
}
public void Waiters_Delete(Waiter item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
//look the item instance on the database to determine if it exists
//on the delete ensure you reference the P-Key
Waiter existing = context.Waiters.Find(item);
//set up the data request command
context.Waiters.Remove(existing);
//commit the action to happen
context.SaveChanges();
}
}
/// <summary>
/// Seats a customer that is a walk-in
/// </summary>
/// <param name="when">A mock value of the date/time (Temporary - see remarks)</param>
/// <param name="tableNumber">Table number to be seated</param>
/// <param name="customerCount">Number of customers being seated</param>
/// <param name="waiterId">Id of waiter that is serving</param>
public void SeatCustomer(DateTime when, byte tableNumber, int customerCount, int waiterId)
{
var availableSeats = AvailableSeatingByDateTime(when.Date, when.TimeOfDay);
using (var context = new eRestaurantContext())
{
List<string> errors = new List<string>();
// Rule checking:
// - Table must be available - typically a direct check on the table, but proxied based on the mocked time here
// - Table must be big enough for the # of customers
if (!availableSeats.Exists(x => x.Table == tableNumber))
{
errors.Add("Table is currently not available");
}
else if (!availableSeats.Exists(x => x.Table == tableNumber && x.Seating >= customerCount))
{
errors.Add("Insufficient seating capacity for number of customers.");
}
if (errors.Count > 0)
{
throw new BusinessRuleException("Unable to seat customer", errors);
}
Bill seatedCustomer = new Bill()
{
BillDate = when,
NumberInParty = customerCount,
WaiterID = waiterId,
TableID = context.Tables.Single(x => x.TableNumber == tableNumber).TableID
};
context.Bills.Add(seatedCustomer);
context.SaveChanges(); //Commit in a transaction
}
}
//the ccommand from the code behind is NOT using an ODS
//therefore it does NOT need [DataObjectMethod]
public void SeatCustomer(DateTime when, byte tablenumber, int numberinparty, int waiterid)
{
//business logic checking should be done before any database processing
//rule 1: table must be available
//rule 2: ttable size must be greater than or = to numberinparty
//get the available seats
var availableseats = AvailableSeatingByDateTime(when.Date, when.TimeOfDay);
//start the transaction
using (eRestaurantContext context = new eRestaurantContext())
{
//create a list<> to hold error messages
List<string> errors = new List<string>();
if (!availableseats.Exists(foreachseat => foreachseat.Table == tablenumber))
{
//table is not available
errors.Add("Table is currently not available");
}
if (!availableseats.Exists(foreahcseat => foreahcseat.Table == tablenumber
&& foreahcseat.Seating >= numberinparty))
{
errors.Add("Insufficient seating capacity for number of customers");
}
//check of validation
if (errors.Count > 0)
{
//there is a business rule exception
throw new BusinessRuleException("Unable to seat customer", errors);
}
//we can assume that the data is valid at this point
//in our system as soon as a customer is seated a Bill is started
Bill seatcustomer = new Bill();
seatcustomer.BillDate = when;
seatcustomer.NumberInParty = numberinparty;
seatcustomer.WaiterID = waiterid;
seatcustomer.TableID = tablenumber;
seatcustomer.PaidStatus = false;
//make the request to entityframework to add a record to the database
context.Bills.Add(seatcustomer);
//commit
context.SaveChanges();
} //end of transaction
}
public void Waiter_Delete(Waiter item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
Waiter existing = context.Waiters.Find(item.WaiterID);
context.Waiters.Remove(existing);
context.SaveChanges();
}
}
public int Waiters_Add(Waiter item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
//these methods are execute using an instance level item
//set up a instance pointer and initialize to null
Waiter added = null;
//setup the command to execute the add
added = context.Waiters.Add(item);
//command is not executed until it is actually saved.
context.SaveChanges();
//added contains the data of the newly added waiter
//including the pkey value.
return added.WaiterID;
}
}
public void SpecialEvents_Delete(SpecialEvent item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
//lookup the instance and record if found (set pointer to instance)
SpecialEvent existing = context.SpecialEvents.Find(item.EventCode);
//Setup the comand to execute the delete
context.SpecialEvents.Remove(existing);
context.SaveChanges();
}
#endregion
} //eof class
public void SeatCustomer(DateTime when, byte tablenumber,
int numberinparty, int waiterid)
{
//business logic checking should be done
//BEFORE attempting to place data on the database
//rule1: is the seat available
//rule2: is the selected table capicity sufficicent
// get the available seats
var availableseatrs = AvailableSeatingByDateTime(when.Date,
when.TimeOfDay);
// start my transaction
using (eRestaurantContext context = new eRestaurantContext())
{
//create a holding list for possible business logic
//this is need for the MessageUserControl
List<string> errors = new List<string>();
if (!availableseatrs.Exists(foreachseat => foreachseat.Table == tablenumber))
{
// the table numberis not available
errors.Add("Table is currently not availabe");
}
else if (!availableseatrs.Exists(foreachseat => foreachseat.Table == tablenumber
&& foreachseat.Seating >= numberinparty))
{
//the table is available but not large enough
errors.Add("Insufficient seating capacity for number of customers");
}
//check if any errors to business rules exist
if (errors.Count > 0)
{
//throw an exception which will terminate the transaction
//BusinessRuleException is part of the MessageUserControl setup
throw new BusinessRuleException("unable to seat customer", errors);
//assume your data is valid
//create an instance of the Bill entity and fill with data
Bill seatedcustomer = new Bill();
seatedcustomer.BillDate = when;
seatedcustomer.NumberInParty = numberinparty;
seatedcustomer.WaiterID = waiterid;
seatedcustomer.TableID = tablenumber;
//issue the command to add a record to the bill entity
context.Bills.Add(seatedcustomer);
//save sand commin the changes to the entity
context.SaveChanges();
}
}
}
public void waiter_Update(Waiter item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
//indicate the updating item instance
//alter the Modified status flag for this instance
context.Entry<Waiter>(context.Waiters.Attach(item)).State =
System.Data.Entity.EntityState.Modified; //telling it update, SpecialEvent is the entity;
//attach is passing in the the item
context.SaveChanges();
}
}
public void Waiters_Delete(Waiter item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
// indicate the updateing item instance
//alter the Modified Status flag for this instance
Waiter existing = context.Waiters.Find(item.WaiterID);
// set up the command to execute the delete
context.Waiters.Remove(existing);
//command is not executed until it it actually saved.
context.SaveChanges();
}
}
public void waiter_Delete(Waiter item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
//lookup the instance and record if found (set pointer to instance)
Waiter existing = context.Waiters.Find(item.WaiterID);
//Setup the comand to execute the delete
context.Waiters.Remove(existing);
context.SaveChanges();
}
}//eofclass
public void SpecialEvents_Add(SpecialEvent item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
//these methods are execute using an instance level item
//Set up a instance pointer and intialize to null
SpecialEvent added = null;
//setup the command to execute the add
added = context.SpecialEvents.Add(item);
//command is not executed untill it is actually saved
context.SaveChanges();
}
}
public int Waiter_Add(Waiter item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
//these methods are executed using an instant level item.
//setup a instance pointer and initialize to null
Waiter added = null;
//setup the command to execute the add
added = context.Waiters.Add(item);
//command is not executed until it is saved
context.SaveChanges();
//the waiter instance added cointains the newly created record to SQL including the generated Primary key value\
return added.WaiterID;
}
}
public void SpecialEvents_Update(SpecialEvent item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
//Indicate the updating item instance
//alter the modified status flag for this instance
context.Entry<SpecialEvent>(context.SpecialEvents.Attach(item)).State = System.Data.Entity.EntityState.Modified;
//command is not executed untill it is actually saved
context.SaveChanges();
}
}
public void SpecialEvents_Add(SpecialEvent item)
{
using (eRestaurantContext context = new eRestaurantContext())
{
//create a pointer variable for the instance type
//set this pointer to null
SpecialEvent added = null;
//set up the add request for the dbcontext
added = context.SpecialEvents.Add(item);
//saving the changes will cause the .Add to execute
//commits the add to the database
//evaluates the annotations (validation) on your entity
context.SaveChanges();
}
}