/// <summary>
/// Add a required instrument to a booking
/// </summary>
/// <param name="booking"></param>
/// <param name="instrument"></param>
public static void AddRequiredInstrumentToBooking(Booking booking,
Instrument instrument)
{
Booking dbBooking;
using (var context = new BandBookerContext())
{
dbBooking =
(from x in context.Booking
where x.BookingId == booking.BookingId
select x).FirstOrDefault();
var currentBI =
(from x in context.BookingInstrument
where x.BookingId == booking.BookingId &&
x.InstrumentId == instrument.InstrumentId
select x).FirstOrDefault();
if (currentBI == null)
{
var dbInstrument =
(from x in context.Instrument
where x.InstrumentId == instrument.InstrumentId
select x).FirstOrDefault();
var bi = new BookingInstrument()
{
Booking = dbBooking,
Instrument = dbInstrument
};
dbBooking.BookingInstrument.Add(bi);
context.SaveChanges();
}
}
}
/// <summary>
/// Adds a musician to a band
/// </summary>
/// <param name="Band"></param>
/// <param name="Musician"></param>
/// <returns></returns>
public static Band AddMusicianToBand(Band Band, Musician Musician)
{
using (var context = new BandBookerContext())
{
var dbBand =
(from x in context.Band
where x.BandId == Band.BandId
select x).FirstOrDefault();
var currentBM =
(from x in context.BandMusician
where x.BandId == Band.BandId &&
x.MusicianId == Musician.MusicianId
select x).FirstOrDefault();
if (currentBM == null)
{
var dbMusician =
(from x in context.Musician
where x.MusicianId == Musician.MusicianId
select x).FirstOrDefault();
var bm = new BandMusician()
{
Band = dbBand,
Musician = dbMusician
};
dbBand.BandMusician.Add(bm);
context.SaveChanges();
}
var thisband = (from x in Bands
where x.BandId == Band.BandId
select x).FirstOrDefault();
return(thisband);
}
}
/// <summary>
/// Adds an instrument to a musician
/// </summary>
/// <param name="Musician"></param>
/// <param name="Instrument"></param>
public static void AddInstrumentToMusician(Musician Musician,
Instrument Instrument)
{
using (var context = new BandBookerContext())
{
var m = (from x in context.Musician
where x.MusicianId == Musician.MusicianId
select x).FirstOrDefault();
var currentMI = (from x in context.MusicianInstrument
where x.MusicianId == Musician.MusicianId &&
x.InstrumentId == Instrument.InstrumentId
select x).FirstOrDefault();
if (currentMI == null)
{
var inst = (from x in context.Instrument
where x.InstrumentId == Instrument.InstrumentId
select x).FirstOrDefault();
var mi = new MusicianInstrument()
{
Musician = m,
Instrument = inst
};
m.MusicianInstrument.Add(mi);
context.SaveChanges();
}
}
}
/// <summary>
/// Updates a band
/// </summary>
/// <param name="Band"></param>
/// <returns></returns>
public static Band UpdateBand(Band Band)
{
Band dbBand;
using (var context = new BandBookerContext())
{
dbBand = (from x in context.Band
where x.BandId == Band.BandId
select x).FirstOrDefault();
if (dbBand != null)
{
dbBand.Name = Band.Name;
dbBand.Description = Band.Description;
//BandMusicians
var bms = from x in context.BandMusician
where x.BandId == dbBand.BandId
select x;
foreach (var bm in bms.ToArray())
{
context.BandMusician.Remove(bm);
}
context.SaveChanges();
}
}
foreach (var bm in Band.BandMusician)
{
AddMusicianToBand(Band, bm.Musician);
}
return((from x in Bands
where x.BandId == Band.BandId
select x).First());
}
/// <summary>
/// Updates a venue
/// </summary>
/// <param name="Venue"></param>
/// <returns></returns>
public static Venue UpdateVenue(Venue Venue)
{
using (var context = new BandBookerContext())
{
var venue = (from x in context.Venue
where x.VenueId == Venue.VenueId
select x).FirstOrDefault();
if (venue != null)
{
venue.Name = Venue.Name;
venue.ContactName = Venue.ContactName;
venue.ContactEmail = Venue.ContactEmail;
venue.ContactMobilePhone = Venue.ContactMobilePhone;
venue.Address = Venue.Address;
venue.Address2 = Venue.Address2;
venue.City = Venue.City;
venue.Description = Venue.Description;
venue.Phone = Venue.Phone;
venue.State = Venue.State;
venue.Zip = Venue.Zip;
venue.Website = Venue.Website;
venue.PhotoUrl = Venue.PhotoUrl;
context.SaveChanges();
return(venue);
}
}
return(Venue);
}
/// <summary>
/// This is dangerous! Deletes all records from all tables.
/// Good for testing.
/// </summary>
public static void DeleteAll()
{
using (var context = new BandBookerContext())
{
foreach (var item in context.BookingMusicianInstrument.ToArray())
{
context.BookingMusicianInstrument.Remove(item);
}
context.SaveChanges();
foreach (var item in context.BookingInstrument.ToArray())
{
context.BookingInstrument.Remove(item);
}
context.SaveChanges();
foreach (var item in context.Booking.ToArray())
{
context.Booking.Remove(item);
}
context.SaveChanges();
foreach (var item in context.Venue.ToArray())
{
context.Venue.Remove(item);
}
context.SaveChanges();
foreach (var item in context.BandMusician.ToArray())
{
context.BandMusician.Remove(item);
}
context.SaveChanges();
foreach (var item in context.Band.ToArray())
{
context.Band.Remove(item);
}
context.SaveChanges();
foreach (var mi in context.MusicianInstrument.ToArray())
{
context.MusicianInstrument.Remove(mi);
}
context.SaveChanges();
foreach (var item in context.Musician.ToArray())
{
context.Musician.Remove(item);
}
context.SaveChanges();
foreach (var item in context.Instrument.ToArray())
{
context.Instrument.Remove(item);
}
context.SaveChanges();
}
}
/// <summary>
/// Get all the bookings that this musician has responded to
/// </summary>
/// <param name="Musician"></param>
/// <returns></returns>
public static List <Booking> GetAllBookingsByMusician(Musician Musician)
{
var list = new List <Booking>();
using (var context = new BandBookerContext())
{
// find all the bands this musician belongs to
var bands = from x in BandMusicians
where x.MusicianId == Musician.MusicianId
select x.Band;
foreach (var band in bands)
{
// find all bookings for this band
var bookings = from x in Bookings
where x.BandId == band.BandId
select x;
foreach (var booking in bookings)
{
list.Add(booking);
}
}
}
return(list);
}
/// <summary>
/// Delete an instrument
/// </summary>
/// <param name="Instrument">the instrument to delete</param>
/// <param name="RemoveAllAssociations">Set to true to force cascading delete</param>
/// <returns></returns>
public static string DeleteInstrument(Instrument Instrument,
bool RemoveAllAssociations = false)
{
try
{
using (var context = new BandBookerContext())
{
var musicianInstruments =
from x in context.MusicianInstrument
where x.InstrumentId == Instrument.InstrumentId
select x;
var bookingMusicianInstruments =
from x in context.BookingMusicianInstrument
where x.InstrumentId == Instrument.InstrumentId
select x;
if (RemoveAllAssociations)
{
foreach (var child in musicianInstruments)
{
context.MusicianInstrument.Remove(child);
}
foreach (var bmi in bookingMusicianInstruments)
{
context.BookingMusicianInstrument.Remove(bmi);
}
context.SaveChanges();
}
else
{
if (musicianInstruments.Count() > 0)
{
return("The instrument can not be deleted because " +
"one or more musicians plays it.");
}
else if (bookingMusicianInstruments.Count() > 0)
{
return("The instrument can not be deleted because " +
"it is required at one or more gigs.");
}
}
var inst = (from x in context.Instrument
where x.InstrumentId == Instrument.InstrumentId
select x).FirstOrDefault();
if (inst != null)
{
context.Instrument.Remove(inst);
context.SaveChanges();
}
}
}
catch (Exception ex)
{
return(ex.Message);
}
return("");
}
/// <summary>
/// Updates a booking
/// </summary>
/// <param name="Booking"></param>
/// <returns></returns>
public static Booking UpdateBooking(Booking Booking)
{
Booking dbBooking;
using (var context = new BandBookerContext())
{
dbBooking = (from x in context.Booking
where x.BookingId == Booking.BookingId
select x).FirstOrDefault();
if (dbBooking != null)
{
dbBooking.Name = Booking.Name;
dbBooking.Booked = Booking.Booked;
dbBooking.DateAndTime = Booking.DateAndTime;
dbBooking.DateBooked = Booking.DateBooked;
dbBooking.PayOffering = Booking.PayOffering;
dbBooking.VenueId = Booking.VenueId;
dbBooking.BandId = Booking.BandId;
//BookingInstruments
var bis = from x in context.BookingInstrument
where x.BookingId == dbBooking.BookingId
select x;
foreach (var bi in bis.ToArray())
{
context.BookingInstrument.Remove(bi);
}
//BookingMusicianInstruments
var bmis = from x in context.BookingMusicianInstrument
where x.BookingId == dbBooking.BookingId
select x;
foreach (var bmi in bmis.ToArray())
{
context.BookingMusicianInstrument.Remove(bmi);
}
context.SaveChanges();
}
}
foreach (var bi in Booking.BookingInstrument)
{
AddRequiredInstrumentToBooking(Booking,
bi.Instrument);
}
foreach (var bmi in Booking.BookingMusicianInstrument)
{
AddMusicianAndInstrumentToBooking(Booking,
bmi.Musician, bmi.Instrument);
}
return((from x in Bookings
where x.BookingId == Booking.BookingId
select x).First());
}
/// <summary>
/// Adds a venue
/// </summary>
/// <param name="venue"></param>
/// <returns></returns>
public static Venue AddVenue(Venue venue)
{
using (var context = new BandBookerContext())
{
context.Venue.Add(venue);
context.SaveChanges();
}
return(venue);
}
/// <summary>
/// Add an instrument
/// </summary>
/// <param name="Instrument"></param>
/// <returns></returns>
public static Instrument AddInstrument(Instrument Instrument)
{
using (var context = new BandBookerContext())
{
context.Instrument.Add(Instrument);
context.SaveChanges();
}
return(Instrument);
}
/// <summary>
/// A musician calls this to confirm that they will
/// play the given instrument at the given booking
/// </summary>
/// <param name="Booking"></param>
/// <param name="Musician"></param>
/// <param name="Instrument"></param>
public static void AddMusicianAndInstrumentToBooking(Booking Booking,
Musician Musician, Instrument Instrument)
{
Booking dbBooking;
using (var context = new BandBookerContext())
{
dbBooking = (from x in context.Booking
where x.BookingId == Booking.BookingId
select x).FirstOrDefault();
var currentBmi = (from x in context.BookingMusicianInstrument
where x.BookingId == Booking.BookingId &&
x.MusicianId == Musician.MusicianId
select x).FirstOrDefault();
if (currentBmi != null)
{
currentBmi.InstrumentId = Instrument.InstrumentId;
currentBmi.Response = true;
currentBmi.ResponseReason = "";
currentBmi.ResponseDate = DateTime.Now;
}
else
{
var dbMusician =
(from x in context.Musician
where x.MusicianId == Musician.MusicianId
select x).FirstOrDefault();
var dbInstrument =
(from x in context.Instrument
where x.InstrumentId == Instrument.InstrumentId
select x).FirstOrDefault();
var bmi = new BookingMusicianInstrument()
{
Booking = dbBooking,
Musician = dbMusician,
Instrument = dbInstrument,
Response = true,
ResponseReason = "",
ResponseDate = DateTime.Now
};
dbBooking.BookingMusicianInstrument.Add(bmi);
}
context.SaveChanges();
}
}
/// <summary>
/// Update an instrument
/// </summary>
/// <param name="Instrument"></param>
/// <returns></returns>
public static Instrument UpdateInstrument(Instrument Instrument)
{
using (var context = new BandBookerContext())
{
var inst = (from x in context.Instrument
where x.InstrumentId == Instrument.InstrumentId
select x).FirstOrDefault();
if (inst != null)
{
inst.Name = Instrument.Name;
context.SaveChanges();
return(inst);
}
}
return(Instrument);
}
/// <summary>
/// Deteles a venue,
/// optionally deleting associations
/// </summary>
/// <param name="Venue"></param>
/// <param name="RemoveAllAssociations"></param>
/// <returns></returns>
public static string DeleteVenue(Venue Venue, bool RemoveAllAssociations)
{
try
{
using (var context = new BandBookerContext())
{
var bookings = from x in context.Booking
where x.VenueId == Venue.VenueId
select x;
if (RemoveAllAssociations)
{
foreach (var child in bookings)
{
DeleteBooking(child, true);
}
}
else
{
if (bookings.Count() > 0)
{
return("The venue can not be deleted because " +
"there are gigs booked there.");
}
}
var inst = (from x in context.Venue
where x.VenueId == Venue.VenueId
select x).FirstOrDefault();
if (inst != null)
{
context.Venue.Remove(inst);
context.SaveChanges();
}
}
return("");
}
catch (Exception ex)
{
return(ex.Message);
}
}
/// <summary>
/// Deletes a band,
/// optionally removing associations
/// </summary>
/// <param name="Band"></param>
/// <param name="RemoveAllAssociations"></param>
/// <returns></returns>
public static string DeleteBand(Band Band, bool RemoveAllAssociations)
{
try
{
using (var context = new BandBookerContext())
{
var matches = from x in context.BandMusician
where x.BandId == Band.BandId
select x;
if (RemoveAllAssociations)
{
foreach (var child in matches)
{
context.BandMusician.Remove(child);
}
context.SaveChanges();
}
else
{
if (matches.Count() > 0)
{
return("The band can not be deleted " +
"because musicians belong to it.");
}
}
var inst = (from x in context.Band
where x.BandId == Band.BandId
select x).FirstOrDefault();
if (inst != null)
{
context.Band.Remove(inst);
context.SaveChanges();
}
}
}
catch (Exception ex)
{
return(ex.Message);
}
return("");
}
/// <summary>
/// Add a musician with optional instruments
/// </summary>
/// <param name="Musician"></param>
/// <param name="Instrument">Optional instrument to add</param>
/// <param name="Instruments">Optional list of instruments to add</param>
/// <returns></returns>
public static Musician AddMusician(Musician Musician,
Instrument Instrument = null,
List <Instrument> Instruments = null)
{
var musicianInstruments = Musician.MusicianInstrument.ToArray();
if (musicianInstruments.Length > 0)
{
Musician.MusicianInstrument.Clear();
Instruments = new List <Instrument>();
foreach (var mi in musicianInstruments)
{
Instruments.Add(mi.Instrument);
}
}
using (var context = new BandBookerContext())
{
context.Musician.Add(Musician);
context.SaveChanges();
}
if (Instruments != null)
{
foreach (var inst in Instruments)
{
AddInstrumentToMusician(Musician, inst);
}
}
else if (Instrument != null)
{
AddInstrumentToMusician(Musician, Instrument);
}
using (var context = new BandBookerContext())
{
return((from x in Musicians
where x.MusicianId == Musician.MusicianId
select x).FirstOrDefault());
}
}
/// <summary>
/// Adds a band with optional musicians
/// </summary>
/// <param name="Band"></param>
/// <param name="Musician"></param>
/// <param name="Musicians"></param>
/// <returns></returns>
public static Band AddBand(Band Band, Musician Musician = null,
List <Musician> Musicians = null)
{
var bandMusicians = Band.BandMusician.ToArray();
if (bandMusicians.Length > 0)
{
Band.BandMusician.Clear();
Musicians = new List <Musician>();
foreach (var bm in bandMusicians)
{
Musicians.Add(bm.Musician);
}
}
using (var context = new BandBookerContext())
{
context.Band.Add(Band);
context.SaveChanges();
}
if (Musicians != null)
{
foreach (var m in Musicians)
{
AddMusicianToBand(Band, m);
}
}
else if (Musician != null)
{
AddMusicianToBand(Band, Musician);
}
using (var context = new BandBookerContext())
{
return((from x in Bands
where x.BandId == Band.BandId
select x).FirstOrDefault());
}
}
/// <summary>
/// A musician calls this to decline a booking
/// that they have been invited to
/// </summary>
/// <param name="Booking"></param>
/// <param name="Musician"></param>
/// <param name="Reason"></param>
public static void MusicianCannotPlayGig(Booking Booking,
Musician Musician, string Reason)
{
using (var context = new BandBookerContext())
{
var dbBmi =
(from x in context.BookingMusicianInstrument
where x.BookingId == Booking.BookingId &&
x.MusicianId == Musician.MusicianId
select x).FirstOrDefault();
if (dbBmi != null)
{
dbBmi.Response = false;
dbBmi.ResponseDate = DateTime.Now;
dbBmi.ResponseReason = Reason;
}
else
{
var dbBooking = (from x in context.Booking
where x.BookingId ==
Booking.BookingId
select x).FirstOrDefault();
var bmi = new BookingMusicianInstrument()
{
BookingId = Booking.BookingId,
MusicianId = Musician.MusicianId,
Response = false,
ResponseDate = DateTime.Now,
ResponseReason = Reason
};
dbBooking.BookingMusicianInstrument.Add(bmi);
}
context.SaveChanges();
}
}
/// <summary>
/// Updates a musicain
/// </summary>
/// <param name="Musician"></param>
/// <returns></returns>
public static Musician UpdateMusician(Musician Musician)
{
Musician dbMusician;
using (var context = new BandBookerContext())
{
dbMusician = (from x in context.Musician
where x.MusicianId == Musician.MusicianId
select x).FirstOrDefault();
if (dbMusician != null)
{
dbMusician.Name = Musician.Name;
dbMusician.Bio = Musician.Bio;
dbMusician.Email = Musician.Email;
dbMusician.MobilePhone = Musician.MobilePhone;
dbMusician.PhotoUrl = Musician.PhotoUrl;
// MusicianInstruments
var mis = from x in context.MusicianInstrument
where x.MusicianId == dbMusician.MusicianId
select x;
foreach (var mi in mis.ToArray())
{
context.MusicianInstrument.Remove(mi);
}
context.SaveChanges();
}
}
foreach (var mi in Musician.MusicianInstrument)
{
AddInstrumentToMusician(Musician, mi.Instrument);
}
return((from x in Musicians
where x.MusicianId == Musician.MusicianId
select x).First());
}
/// <summary>
/// Deletes a booking,
/// optionally deleting associations
/// </summary>
/// <param name="Booking"></param>
/// <param name="RemoveAllAssociations"></param>
/// <returns></returns>
public static string DeleteBooking(Booking Booking,
bool RemoveAllAssociations)
{
try
{
using (var context = new BandBookerContext())
{
var musicianInstruments =
from x in context.BookingMusicianInstrument
where x.BookingId == Booking.BookingId
select x;
var bookingInstruments =
from x in context.BookingInstrument
where x.BookingId == Booking.BookingId
select x;
if (RemoveAllAssociations)
{
foreach (var child in musicianInstruments)
{
context.BookingMusicianInstrument.Remove(child);
}
foreach (var child in bookingInstruments)
{
context.BookingInstrument.Remove(child);
}
context.SaveChanges();
}
else
{
if (musicianInstruments.Count() > 0)
{
return("This booking can not be deleted because " +
"it has musicians associated with it");
}
else if (bookingInstruments.Count() > 0)
{
return("This booking can not be deleted because " +
"it has required instruments associated with it");
}
}
var booking = (from x in context.Booking
where x.BookingId == Booking.BookingId
select x).FirstOrDefault();
if (booking != null)
{
context.Booking.Remove(booking);
context.SaveChanges();
}
}
}
catch (Exception ex)
{
return(ex.Message);
}
return("");
}
/// <summary>
/// Add a booking
/// </summary>
/// <param name="Booking"></param>
/// <returns></returns>
public static Booking AddBooking(Booking Booking)
{
var instruments = new List <Instrument>();
var musicianinstruments = new List <BookingMusicianInstrument>();
Band Band = null;
Venue Venue = null;
if (Booking.Band != null)
{
Band = Booking.Band;
Booking.Band = null;
}
if (Booking.Venue != null)
{
Venue = Booking.Venue;
Booking.Venue = null;
}
var bookingInstruments =
Booking.BookingInstrument.ToArray();
if (bookingInstruments.Length > 0)
{
Booking.BookingInstrument.Clear();
foreach (var mi in bookingInstruments)
{
instruments.Add(mi.Instrument);
}
}
var bookingMusicianInstruments =
Booking.BookingMusicianInstrument.ToArray();
if (bookingMusicianInstruments.Length > 0)
{
Booking.BookingMusicianInstrument.Clear();
foreach (var bmi in bookingMusicianInstruments)
{
musicianinstruments.Add(bmi);
}
}
using (var context = new BandBookerContext())
{
context.Booking.Add(Booking);
context.SaveChanges();
}
foreach (var instrument in instruments)
{
AddRequiredInstrumentToBooking(Booking, instrument);
}
foreach (var musicianinstrument in musicianinstruments)
{
AddMusicianAndInstrumentToBooking(Booking,
musicianinstrument.Musician,
musicianinstrument.Instrument);
}
if (Venue != null || Band != null)
{
using (var context = new BandBookerContext())
{
Booking = (from x in context.Booking
where x.BookingId == Booking.BookingId
select x).FirstOrDefault();
if (Venue != null)
{
Booking.Venue = Venue;
}
if (Band != null)
{
Booking.Band = Band;
}
context.SaveChanges();
}
}
return((from x in Bookings
where x.BookingId == Booking.BookingId
select x).First());
}
/// <summary>
/// Deletes a musician, optionally removing all associations
/// </summary>
/// <param name="Musician"></param>
/// <param name="RemoveAllAssociations"></param>
/// <returns></returns>
public static string DeleteMusician(Musician Musician,
bool RemoveAllAssociations = false)
{
try
{
using (var context = new BandBookerContext())
{
var bands = from x in context.BandMusician
where x.MusicianId == Musician.MusicianId
select x;
var musicianInstruments =
from x in context.MusicianInstrument
where x.MusicianId == Musician.MusicianId
select x;
var bookingMusicianInstruments =
from x in context.BookingMusicianInstrument
where x.MusicianId == Musician.MusicianId
select x;
if (RemoveAllAssociations)
{
foreach (var child in bands)
{
context.BandMusician.Remove(child);
}
foreach (var child in musicianInstruments)
{
context.MusicianInstrument.Remove(child);
}
foreach (var child in bookingMusicianInstruments)
{
context.BookingMusicianInstrument.Remove(child);
}
context.SaveChanges();
}
else
{
if (bands.Count() > 0)
{
return("The musician can not be deleted because " +
"they belong to one or more bands.");
}
else if (musicianInstruments.Count() > 0)
{
return("The musician can not be deleted because " +
"they have associated instruments.");
}
else if (bookingMusicianInstruments.Count() > 0)
{
return("The musician can not be deleted " +
"because they have gigs.");
}
}
var inst = (from x in context.Musician
where x.MusicianId == Musician.MusicianId
select x).FirstOrDefault();
if (inst != null)
{
context.Musician.Remove(inst);
context.SaveChanges();
}
}
}
catch (Exception ex)
{
return(ex.Message);
}
return("");
}
