/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
protected virtual KeyBuilder VisitPrimaryKey([NotNull] EntityTypeBuilder builder, [NotNull] DatabaseTable table)
{
Check.NotNull(builder, nameof(builder));
Check.NotNull(table, nameof(table));
var primaryKey = table.PrimaryKey;
var unmappedColumns = primaryKey.Columns
.Where(c => _unmappedColumns.Contains(c))
.Select(c => c.Name)
.ToList();
if (unmappedColumns.Count > 0)
{
_reporter.WriteWarning(
DesignStrings.PrimaryKeyErrorPropertyNotFound(
table.DisplayName(),
string.Join(CultureInfo.CurrentCulture.TextInfo.ListSeparator, unmappedColumns)));
return(null);
}
var keyBuilder = builder.HasKey(primaryKey.Columns.Select(GetPropertyName).ToArray());
if (primaryKey.Columns.Count == 1 &&
primaryKey.Columns[0].ValueGenerated == null &&
primaryKey.Columns[0].DefaultValueSql == null)
{
var property = builder.Metadata.FindProperty(GetPropertyName(primaryKey.Columns[0]))?.AsProperty();
if (property != null)
{
var conventionalValueGenerated = RelationalValueGeneratorConvention.GetValueGenerated(property);
if (conventionalValueGenerated == ValueGenerated.OnAdd)
{
property.ValueGenerated = ValueGenerated.Never;
}
}
}
if (!string.IsNullOrEmpty(primaryKey.Name) &&
primaryKey.Name != keyBuilder.Metadata.GetDefaultName())
{
keyBuilder.HasName(primaryKey.Name);
}
keyBuilder.Metadata.AddAnnotations(primaryKey.GetAnnotations());
return(keyBuilder);
}
private void GenerateProperty(IProperty property, bool useDataAnnotations)
{
var lines = new List <string>
{
$".{nameof(EntityTypeBuilder.Property)}(e => e.{property.Name})"
};
var annotations = property.GetAnnotations().ToList();
RemoveAnnotation(ref annotations, RelationalAnnotationNames.ColumnName);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.ColumnType);
RemoveAnnotation(ref annotations, CoreAnnotationNames.MaxLength);
RemoveAnnotation(ref annotations, CoreAnnotationNames.TypeMapping);
RemoveAnnotation(ref annotations, CoreAnnotationNames.Unicode);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.DefaultValue);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.DefaultValueSql);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.ComputedColumnSql);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.IsFixedLength);
RemoveAnnotation(ref annotations, ScaffoldingAnnotationNames.ColumnOrdinal);
if (!useDataAnnotations)
{
if (!property.IsNullable &&
property.ClrType.IsNullableType() &&
!property.IsPrimaryKey())
{
lines.Add($".{nameof(PropertyBuilder.IsRequired)}()");
}
var columnName = property.GetColumnName();
if (columnName != null &&
columnName != property.Name)
{
lines.Add(
$".{nameof(RelationalPropertyBuilderExtensions.HasColumnName)}" +
$"({_code.Literal(columnName)})");
}
var columnType = property.GetConfiguredColumnType();
if (columnType != null)
{
lines.Add(
$".{nameof(RelationalPropertyBuilderExtensions.HasColumnType)}" +
$"({_code.Literal(columnType)})");
}
var maxLength = property.GetMaxLength();
if (maxLength.HasValue)
{
lines.Add(
$".{nameof(PropertyBuilder.HasMaxLength)}" +
$"({_code.Literal(maxLength.Value)})");
}
}
if (property.IsUnicode() != null)
{
lines.Add(
$".{nameof(PropertyBuilder.IsUnicode)}" +
$"({(property.IsUnicode() == false ? "false" : "")})");
}
if (property.IsFixedLength())
{
lines.Add(
$".{nameof(RelationalPropertyBuilderExtensions.IsFixedLength)}()");
}
if (property.GetDefaultValue() != null)
{
lines.Add(
$".{nameof(RelationalPropertyBuilderExtensions.HasDefaultValue)}" +
$"({_code.UnknownLiteral(property.GetDefaultValue())})");
}
if (property.GetDefaultValueSql() != null)
{
lines.Add(
$".{nameof(RelationalPropertyBuilderExtensions.HasDefaultValueSql)}" +
$"({_code.Literal(property.GetDefaultValueSql())})");
}
if (property.GetComputedColumnSql() != null)
{
lines.Add(
$".{nameof(RelationalPropertyBuilderExtensions.HasComputedColumnSql)}" +
$"({_code.Literal(property.GetComputedColumnSql())})");
}
var valueGenerated = property.ValueGenerated;
var isRowVersion = false;
if (((IConventionProperty)property).GetValueGeneratedConfigurationSource().HasValue &&
RelationalValueGeneratorConvention.GetValueGenerated(property) != valueGenerated)
{
string methodName;
switch (valueGenerated)
{
case ValueGenerated.OnAdd:
methodName = nameof(PropertyBuilder.ValueGeneratedOnAdd);
break;
case ValueGenerated.OnAddOrUpdate:
isRowVersion = property.IsConcurrencyToken;
methodName = isRowVersion
? nameof(PropertyBuilder.IsRowVersion)
: nameof(PropertyBuilder.ValueGeneratedOnAddOrUpdate);
break;
case ValueGenerated.Never:
methodName = nameof(PropertyBuilder.ValueGeneratedNever);
break;
default:
methodName = "";
break;
}
lines.Add($".{methodName}()");
}
if (property.IsConcurrencyToken &&
!isRowVersion)
{
lines.Add($".{nameof(PropertyBuilder.IsConcurrencyToken)}()");
}
var annotationsToRemove = new List <IAnnotation>();
foreach (var annotation in annotations)
{
if (annotation.Value == null ||
_annotationCodeGenerator.IsHandledByConvention(property, annotation))
{
annotationsToRemove.Add(annotation);
}
else
{
var methodCall = _annotationCodeGenerator.GenerateFluentApi(property, annotation);
if (methodCall != null)
{
lines.Add(_code.Fragment(methodCall));
annotationsToRemove.Add(annotation);
}
}
}
lines.AddRange(GenerateAnnotations(annotations.Except(annotationsToRemove)));
switch (lines.Count)
{
case 1:
return;
case 2:
lines = new List <string>
{
lines[0] + lines[1]
};
break;
}
AppendMultiLineFluentApi(property.DeclaringEntityType, lines);
}
