// Automagically guess the property relationships between various POCOs and create a delegate that will set them up
public static Delegate GetAutoMapper(Type[] types)
{
// Build a key
var combiner = new HashCodeCombiner("auto-mapping");
combiner.Each(types, (x, t) => x.AddType(t));
var key = combiner.GetCombinedHashCode();
return(AutoMappers.Get(key, () =>
{
// Create a method
var m = new DynamicMethod("poco_automapper", types[0], types, true);
var il = m.GetILGenerator();
for (int i = 1; i < types.Length; i++)
{
bool handled = false;
for (int j = i - 1; j >= 0; j--)
{
// Find the property
var candidates = types[j].GetProperties().Where(p => p.PropertyType == types[i]).ToList();
if (candidates.Count == 0)
{
continue;
}
if (candidates.Count > 1)
{
throw new InvalidOperationException(string.Format("Can't auto join {0} as {1} has more than one property of type {0}", types[i], types[j]));
}
// Generate code
var lblIsNull = il.DefineLabel();
il.Emit(OpCodes.Ldarg_S, j); // obj
il.Emit(OpCodes.Ldnull); // obj, null
il.Emit(OpCodes.Beq, lblIsNull); // If obj == null then don't set nested object
il.Emit(OpCodes.Ldarg_S, j); // obj
il.Emit(OpCodes.Ldarg_S, i); // obj, obj2
il.Emit(OpCodes.Callvirt, candidates[0].GetSetMethod(true)); // obj = obj2
il.MarkLabel(lblIsNull);
handled = true;
}
if (!handled)
{
throw new InvalidOperationException(string.Format("Can't auto join {0}", types[i]));
}
}
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ret);
// Cache it
var del = m.CreateDelegate(Expression.GetFuncType(types.Concat(types.Take(1)).ToArray()));
return del;
}));
}
protected override ObservableCollection <OneTypeDeProjetVM> LoadItems()
{
ObservableCollection <OneTypeDeProjetVM> Selection = new ObservableCollection <OneTypeDeProjetVM>();
foreach (C.TypeDeProjet item in Service.GetAll())
{
Selection.Add(AutoMappers <C.TypeDeProjet, OneTypeDeProjetVM> .AutoMapper(item));
}
return(Selection);
}
public void Configuration(IAppBuilder app)
{
ConfigureAuth(app);
// Set up Web API -- was in 4th lecture
//app.UseWebApi(WebApiConfig.Register());
// Map models
AutoMappers.Configure();
}
static async Task Main(string[] args)
{
maps = AutoMappers.InitMaps();
//await maps.SimpleMap();
//await maps.LeszarmazottMap();
//maps.ConverterMap();
//await maps.ResolverMap();
//maps.GenericMap();
await maps.ProjectToMap();
Console.ReadKey();
}
// Automagically guess the property relationships between various POCOs and create a delegate that will set them up
public static object GetAutoMapper(Type[] types)
{
// Build a key
var key = new ArrayKey <Type>(types);
return(AutoMappers.Get(key, () =>
{
// Create a method
var m = new DynamicMethod("petapoco_automapper", types[0], types, true);
var il = m.GetILGenerator();
for (int i = 1; i < types.Length; i++)
{
bool handled = false;
for (int j = i - 1; j >= 0; j--)
{
// Find the property
var candidates = from p in types[j].GetProperties() where p.PropertyType == types[i] select p;
if (candidates.Count() == 0)
{
continue;
}
if (candidates.Count() > 1)
{
throw new InvalidOperationException(string.Format("Can't auto join {0} as {1} has more than one property of type {0}", types[i], types[j]));
}
// Generate code
il.Emit(OpCodes.Ldarg_S, j);
il.Emit(OpCodes.Ldarg_S, i);
il.Emit(OpCodes.Callvirt, candidates.First().GetSetMethod(true));
handled = true;
}
if (!handled)
{
throw new InvalidOperationException(string.Format("Can't auto join {0}", types[i]));
}
}
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ret);
// Cache it
return m.CreateDelegate(Expression.GetFuncType(types.Concat(types.Take(1)).ToArray()));
}
));
}
public OneUtilisateurVM GetFiche()
{
C.Utilisateur User = Service.GetOne(AutoMappers <OneUtilisateurVM, C.Utilisateur> .AutoMapper(SelectedItem));
// Utiliser un médiator pour pouvoir afficher la ressource nécéssaire (qui sera la même pour tous. Chaque information ^Doit obtenir toute ! les informations sur une utilisateur)//
return(AutoMappers <C.Utilisateur, OneUtilisateurVM> .AutoMapper(User));
}
public void Delete()
{
Service.Delete(AutoMappers <OneUtilisateurVM, C.Utilisateur> .AutoMapper(SelectedItem));
}
public void Delete()
{
Service.Delete(AutoMappers <OneProjetVM, C.Projet> .AutoMapper(SelectedItem));
}