public JsonValue Delete(string id)
{
Contact deleted = GetType(id);
using (var context = new ContactsDataContext(connectionString))
{
context.Contacts.Attach(deleted);
context.Contacts.DeleteOnSubmit(deleted);
context.SubmitChanges();
}
return(JsonValueExtensions.CreateFrom(deleted));
}
public JsonValue Post(JsonValue contact)
{
Contact added = contact.ReadAsType <Contact>();
using (var context = new ContactsDataContext(connectionString))
{
context.Contacts.InsertOnSubmit(added);
context.SubmitChanges();
context.Refresh(System.Data.Linq.RefreshMode.KeepCurrentValues, added);
}
return(this.Get(added.ContactID.ToString(CultureInfo.InvariantCulture)));
}
public JsonValue Update(string id, JsonValue contact)
{
Contact original = GetType(id);
Contact updated = contact.ReadAsType <Contact>();
using (var context = new ContactsDataContext(connectionString))
{
context.Contacts.Attach(updated, original);
context.SubmitChanges();
}
return(this.Get(id));
}
private static Contact GetType(string id)
{
Contact result;
using (var context = new ContactsDataContext(connectionString))
{
result = context.Contacts.Where <Contact>(x => x.ContactID == int.Parse(id)).FirstOrDefault();
}
if (result == null)
{
throw new WebFaultException <string>("Contact not found", HttpStatusCode.NotFound);
}
return(result);
}
public JsonValue GetAll()
{
using (var context = new ContactsDataContext(connectionString))
{
// For some reason a lambda doesn't work here but a delegate does
var result = context.Contacts.OrderBy <Contact, string>(x => x.Name).Select <Contact, JsonObject>(
delegate(Contact x)
{
return(new JsonObject
{
{ "Name", x.Name }, { "Self", "contacts/" + x.ContactID }
});
});
return(new JsonArray(result));
}
}
