public void CreatePerson(Person person)
{
using (var ctx = new ExampleDbContext())
{
ctx.People.Add(person);
ctx.SaveChanges();
}
}
public void UpdatePerson(Person person)
{
using (var ctx = new ExampleDbContext())
{
ctx.People.Attach(person);
ctx.Entry(person).State = EntityState.Modified;
ctx.SaveChanges();
}
}
public static void Seed(ExampleDbContext ctx)
{
if (!ctx.People.Any())
{
LoadPeopleData(ctx.Database.Connection.ConnectionString);
}
else
{
LogMsg("People records have already been added to the database.");
}
}
public Person ReadPerson(int personId)
{
using (var ctx = new ExampleDbContext())
{
return
(ctx
.People
.Include(p => p.EmailAddresses)
.Include(p => p.PostalAddresses)
.Include(p => p.PhoneNumbers)
.AsNoTracking()
.SingleOrDefault(p => p.PersonId == personId));
}
}
public void DeletePerson(int personId)
{
using (var ctx = new ExampleDbContext())
{
var person = ctx.People.SingleOrDefault(p => p.PersonId == personId);
if (person == null)
{
throw new ObjectNotFoundException("Invalid person id.");
}
ctx.People.Remove(person);
ctx.SaveChanges();
}
}
public PersonResponse GetPeople(PeopleRequest request)
{
request.Validate();
using (var ctx = new ExampleDbContext())
{
IQueryable <Person> query;
query = ctx.People.AsNoTracking();
var orderBy = (request.OrderBy ?? "").ToLower();
switch (orderBy)
{
default:
query =
request.Descending
? query.OrderByDescending(p => p.LastName).ThenByDescending(p => p.FirstName)
: query.OrderBy(p => p.LastName).ThenBy(p => p.FirstName);
break;
case "firstname":
query =
request.Descending
? query.OrderByDescending(p => p.FirstName).ThenByDescending(p => p.LastName)
: query.OrderBy(p => p.FirstName).ThenBy(p => p.LastName);
break;
case "middlename":
query =
request.Descending
? query.OrderByDescending(p => p.MiddleName).ThenByDescending(p => p.FirstName).ThenByDescending(p => p.LastName)
: query.OrderBy(p => p.MiddleName).ThenBy(p => p.FirstName).ThenBy(p => p.LastName);
break;
case "suffix":
query =
request.Descending
? query.OrderByDescending(p => p.Suffix).ThenByDescending(p => p.LastName).ThenByDescending(p => p.FirstName)
: query.OrderBy(p => p.Suffix).ThenBy(p => p.LastName).ThenBy(p => p.FirstName);
break;
case "title":
query =
request.Descending
? query.OrderByDescending(p => p.Title).ThenByDescending(p => p.LastName).ThenByDescending(p => p.FirstName)
: query.OrderBy(p => p.Title).ThenBy(p => p.LastName).ThenBy(p => p.FirstName);
break;
}
var results =
query
.Skip((request.PageIndex - 1) * request.PageSize)
.Take(request.PageSize)
.GroupBy(r => new { Total = query.Count() })
.ToList();
if (results.Count == 0)
{
return
(new PersonResponse
{
Total = 0,
Page = 0,
Records = 0,
Rows = Enumerable.Empty <Person>().ToList()
});
}
int totalRecordCount = results[0].Key.Total;
return(new PersonResponse
{
Total = totalRecordCount / request.PageSize,
Page = request.PageIndex,
Records = totalRecordCount,
Rows = results[0].ToList()
});
}
}
