private void GenerateIndex(IIndex index, IndentedStringBuilder sb)
{
var lines = new List <string>
{
$".{nameof(EntityTypeBuilder.HasIndex)}(e => {GenerateLambdaToKey(index.Properties, "e")})"
};
var annotations = index.GetAnnotations().ToList();
if (!string.IsNullOrEmpty((string)index[RelationalAnnotationNames.Name]))
{
lines.Add(
$".{nameof(RelationalIndexBuilderExtensions.HasName)}" +
$"({CSharpHelper.Literal(index.GetName())})");
RemoveAnnotation(ref annotations, RelationalAnnotationNames.Name);
}
if (index.IsUnique)
{
lines.Add($".{nameof(IndexBuilder.IsUnique)}()");
}
if (index.GetFilter() != null)
{
lines.Add(
$".{nameof(RelationalIndexBuilderExtensions.HasFilter)}" +
$"({CSharpHelper.Literal(index.GetFilter())})");
RemoveAnnotation(ref annotations, RelationalAnnotationNames.Filter);
}
var annotationsToRemove = new List <IAnnotation>();
foreach (var annotation in annotations)
{
if (annotation.Value == null ||
AnnotationCodeGenerator.IsHandledByConvention(index, annotation))
{
annotationsToRemove.Add(annotation);
}
else
{
var methodCall = AnnotationCodeGenerator.GenerateFluentApi(index, annotation);
if (methodCall != null)
{
lines.Add(CSharpHelper.Fragment(methodCall));
annotationsToRemove.Add(annotation);
}
}
}
lines.AddRange(GenerateAnnotations(annotations.Except(annotationsToRemove)));
AppendMultiLineFluentApi(index.DeclaringEntityType, lines, sb);
}
private void GenerateRelationship(IForeignKey foreignKey, bool useDataAnnotations, IndentedStringBuilder sb)
{
var canUseDataAnnotations = true;
var annotations = foreignKey.GetAnnotations().ToList();
var lines = new List <string>
{
$".{nameof(EntityTypeBuilder.HasOne)}(" + (foreignKey.DependentToPrincipal != null ? $"d => d.{foreignKey.DependentToPrincipal.Name}" : null) + ")",
$".{(foreignKey.IsUnique ? nameof(ReferenceNavigationBuilder.WithOne) : nameof(ReferenceNavigationBuilder.WithMany))}"
+ $"(" + (foreignKey.PrincipalToDependent != null ? $"p => p.{foreignKey.PrincipalToDependent.Name}" : null) + ")"
};
if (!foreignKey.PrincipalKey.IsPrimaryKey())
{
canUseDataAnnotations = false;
lines.Add(
$".{nameof(ReferenceReferenceBuilder.HasPrincipalKey)}"
+ (foreignKey.IsUnique ? $"<{((ITypeBase)foreignKey.PrincipalEntityType).DisplayName()}>" : "")
+ $"(p => {GenerateLambdaToKey(foreignKey.PrincipalKey.Properties, "p")})");
}
lines.Add(
$".{nameof(ReferenceReferenceBuilder.HasForeignKey)}"
+ (foreignKey.IsUnique ? $"<{((ITypeBase)foreignKey.DeclaringEntityType).DisplayName()}>" : "")
+ $"(d => {GenerateLambdaToKey(foreignKey.Properties, "d")})");
var defaultOnDeleteAction = foreignKey.IsRequired
? DeleteBehavior.Cascade
: DeleteBehavior.ClientSetNull;
if (foreignKey.DeleteBehavior != defaultOnDeleteAction)
{
canUseDataAnnotations = false;
lines.Add(
$".{nameof(ReferenceReferenceBuilder.OnDelete)}" +
$"({CSharpHelper.Literal(foreignKey.DeleteBehavior)})");
}
if (!string.IsNullOrEmpty((string)foreignKey[RelationalAnnotationNames.Name]))
{
canUseDataAnnotations = false;
lines.Add(
$".HasConstraintName" +
$"({CSharpHelper.Literal(foreignKey.GetConstraintName())})");
RemoveAnnotation(ref annotations, RelationalAnnotationNames.Name);
}
var annotationsToRemove = new List <IAnnotation>();
foreach (var annotation in annotations)
{
if (annotation.Value == null ||
AnnotationCodeGenerator.IsHandledByConvention(foreignKey, annotation))
{
annotationsToRemove.Add(annotation);
}
else
{
var methodCall = AnnotationCodeGenerator.GenerateFluentApi(foreignKey, annotation);
if (methodCall != null)
{
canUseDataAnnotations = false;
lines.Add(CSharpHelper.Fragment(methodCall));
annotationsToRemove.Add(annotation);
}
}
}
lines.AddRange(GenerateAnnotations(annotations.Except(annotationsToRemove)));
if (!useDataAnnotations ||
!canUseDataAnnotations)
{
AppendMultiLineFluentApi(foreignKey.DeclaringEntityType, lines, sb);
}
}
private void GenerateProperty(IProperty property, bool useDataAnnotations, IndentedStringBuilder sb)
{
var lines = new List <string>
{
$".{nameof(EntityTypeBuilder.Property)}(e => e.{property.Name})"
};
var annotations = property.GetAnnotations().ToList();
RemoveAnnotation(ref annotations, RelationalAnnotationNames.ColumnName);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.ColumnType);
RemoveAnnotation(ref annotations, CoreAnnotationNames.MaxLength);
RemoveAnnotation(ref annotations, CoreAnnotationNames.TypeMapping);
RemoveAnnotation(ref annotations, CoreAnnotationNames.Unicode);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.DefaultValue);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.DefaultValueSql);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.Comment);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.ComputedColumnSql);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.IsFixedLength);
RemoveAnnotation(ref annotations, ScaffoldingAnnotationNames.ColumnOrdinal);
if (!useDataAnnotations)
{
if (!property.IsNullable &&
property.ClrType.IsNullableType() &&
!property.IsPrimaryKey())
{
lines.Add($".{nameof(PropertyBuilder.IsRequired)}()");
}
var columnName = property.GetColumnName();
if (columnName != null &&
columnName != property.Name)
{
lines.Add(
$".{nameof(RelationalPropertyBuilderExtensions.HasColumnName)}" +
$"({CSharpHelper.Literal(columnName)})");
}
var columnType = property.GetConfiguredColumnType();
if (columnType != null)
{
lines.Add(
$".{nameof(RelationalPropertyBuilderExtensions.HasColumnType)}" +
$"({CSharpHelper.Literal(columnType)})");
}
var maxLength = property.GetMaxLength();
if (maxLength.HasValue)
{
lines.Add(
$".{nameof(PropertyBuilder.HasMaxLength)}" +
$"({CSharpHelper.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)}" +
$"({CSharpHelper.UnknownLiteral(property.GetDefaultValue())})");
}
if (property.GetDefaultValueSql() != null)
{
lines.Add(
$".{nameof(RelationalPropertyBuilderExtensions.HasDefaultValueSql)}" +
$"({CSharpHelper.Literal(property.GetDefaultValueSql())})");
}
if (property.GetComment() != null)
{
lines.Add(
$".{nameof(RelationalPropertyBuilderExtensions.HasComment)}" +
$"({CSharpHelper.Literal(property.GetComment())})");
}
if (property.GetComputedColumnSql() != null)
{
lines.Add(
$".{nameof(RelationalPropertyBuilderExtensions.HasComputedColumnSql)}" +
$"({CSharpHelper.Literal(property.GetComputedColumnSql())})");
}
var valueGenerated = property.ValueGenerated;
var isRowVersion = false;
if (((IConventionProperty)property).GetValueGeneratedConfigurationSource().HasValue &&
RelationalValueGenerationConvention.GetValueGenerated(property) != valueGenerated)
{
string methodName;
switch (valueGenerated)
{
case ValueGenerated.OnAdd:
methodName = nameof(PropertyBuilder.ValueGeneratedOnAdd);
break;
case ValueGenerated.OnAddOrUpdate:
isRowVersion = property.IsConcurrencyToken;
methodName = isRowVersion
? nameof(PropertyBuilder.IsRowVersion)
: nameof(PropertyBuilder.ValueGeneratedOnAddOrUpdate);
break;
case ValueGenerated.Never:
methodName = nameof(PropertyBuilder.ValueGeneratedNever);
break;
default:
methodName = "";
break;
}
lines.Add($".{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(CSharpHelper.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, sb);
}
private void GenerateKey(IKey key, IEntityType entityType, bool useDataAnnotations, IndentedStringBuilder sb)
{
if (key == null)
{
var line = new List <string>
{
$".{nameof(EntityTypeBuilder.HasNoKey)}()"
};
AppendMultiLineFluentApi(entityType, line, sb);
return;
}
var annotations = key.GetAnnotations().ToList();
var explicitName = key.GetName() != key.GetDefaultName();
RemoveAnnotation(ref annotations, RelationalAnnotationNames.Name);
if (key.Properties.Count == 1 &&
annotations.Count == 0)
{
if (key is Key concreteKey &&
key.Properties.SequenceEqual(
KeyDiscoveryConvention.DiscoverKeyProperties(
concreteKey.DeclaringEntityType,
concreteKey.DeclaringEntityType.GetProperties())))
{
return;
}
if (!explicitName &&
useDataAnnotations)
{
return;
}
}
var lines = new List <string>
{
$".{nameof(EntityTypeBuilder.HasKey)}(e => {GenerateLambdaToKey(key.Properties, "e")})"
};
if (explicitName)
{
lines.Add(
$".{nameof(RelationalKeyBuilderExtensions.HasName)}" +
$"({CSharpHelper.Literal(key.GetName())})");
}
var annotationsToRemove = new List <IAnnotation>();
foreach (var annotation in annotations)
{
if (annotation.Value == null ||
AnnotationCodeGenerator.IsHandledByConvention(key, annotation))
{
annotationsToRemove.Add(annotation);
}
else
{
var methodCall = AnnotationCodeGenerator.GenerateFluentApi(key, annotation);
if (methodCall != null)
{
lines.Add(CSharpHelper.Fragment(methodCall));
annotationsToRemove.Add(annotation);
}
}
}
lines.AddRange(GenerateAnnotations(annotations.Except(annotationsToRemove)));
AppendMultiLineFluentApi(key.DeclaringEntityType, lines, sb);
}
private void GenerateEntityType(IEntityType entityType, bool useDataAnnotations, IndentedStringBuilder sb)
{
GenerateKey(entityType.FindPrimaryKey(), entityType, useDataAnnotations, sb);
var annotations = entityType.GetAnnotations().ToList();
RemoveAnnotation(ref annotations, CoreAnnotationNames.ConstructorBinding);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.TableName);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.Comment);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.Schema);
RemoveAnnotation(ref annotations, ScaffoldingAnnotationNames.DbSetName);
RemoveAnnotation(ref annotations, RelationalAnnotationNames2.ViewDefinition);
var isView = entityType.FindAnnotation(RelationalAnnotationNames2.ViewDefinition) != null;
if (!useDataAnnotations || isView)
{
GenerateTableName(entityType, sb);
}
var annotationsToRemove = new List <IAnnotation>();
var lines = new List <string>();
foreach (var annotation in annotations)
{
if (annotation.Value == null ||
AnnotationCodeGenerator.IsHandledByConvention(entityType, annotation))
{
annotationsToRemove.Add(annotation);
}
else
{
var methodCall = AnnotationCodeGenerator.GenerateFluentApi(entityType, annotation);
if (methodCall != null)
{
lines.Add(CSharpHelper.Fragment(methodCall));
annotationsToRemove.Add(annotation);
}
}
}
lines.AddRange(GenerateAnnotations(annotations.Except(annotationsToRemove)));
if (entityType.GetComment() != null)
{
lines.Add(
$".{nameof(RelationalEntityTypeBuilderExtensions.HasComment)}" +
$"({CSharpHelper.Literal(entityType.GetComment())})");
}
AppendMultiLineFluentApi(entityType, lines, sb);
foreach (var index in entityType.GetIndexes())
{
GenerateIndex(index, sb);
}
foreach (var property in entityType.GetProperties())
{
GenerateProperty(property, useDataAnnotations, sb);
}
foreach (var foreignKey in entityType.GetScaffoldForeignKeys(_options.Value))
{
GenerateRelationship(foreignKey, useDataAnnotations, sb);
}
}
/// <summary>
/// Generate OnModelBuilding method.
/// </summary>
/// <param name="model">Metadata about the shape of entities, the relationships between them, and how they map to the database.</param>
/// <param name="useDataAnnotations">Use fluent modeling API if false.</param>
protected override void GenerateOnModelCreating(IModel model, bool useDataAnnotations)
{
Check.NotNull(model, nameof(model));
var sb = new IndentedStringBuilder();
using (sb.Indent())
using (sb.Indent())
{
sb.AppendLine("protected override void OnModelCreating(ModelBuilder modelBuilder)");
sb.Append("{");
var annotations = model.GetAnnotations().ToList();
RemoveAnnotation(ref annotations, CoreAnnotationNames.ProductVersion);
RemoveAnnotation(ref annotations, CoreAnnotationNames.ChangeTrackingStrategy);
RemoveAnnotation(ref annotations, CoreAnnotationNames.OwnedTypes);
RemoveAnnotation(ref annotations, ChangeDetector.SkipDetectChangesAnnotation);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.MaxIdentifierLength);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.CheckConstraints);
RemoveAnnotation(ref annotations, ScaffoldingAnnotationNames.DatabaseName);
RemoveAnnotation(ref annotations, ScaffoldingAnnotationNames.EntityTypeErrors);
var annotationsToRemove = new List <IAnnotation>();
annotationsToRemove.AddRange(
annotations.Where(
a => a.Name.StartsWith(RelationalAnnotationNames.SequencePrefix, StringComparison.Ordinal)));
var lines = new List <string>();
foreach (var annotation in annotations)
{
if (annotation.Value == null ||
AnnotationCodeGenerator.IsHandledByConvention(model, annotation))
{
annotationsToRemove.Add(annotation);
}
else
{
var methodCall = AnnotationCodeGenerator.GenerateFluentApi(model, annotation);
if (methodCall != null)
{
lines.Add(CSharpHelper.Fragment(methodCall));
annotationsToRemove.Add(annotation);
}
}
}
lines.AddRange(GenerateAnnotations(annotations.Except(annotationsToRemove)));
if (lines.Count > 0)
{
using (sb.Indent())
{
sb.AppendLine();
sb.Append("modelBuilder" + lines[0]);
using (sb.Indent())
{
foreach (var line in lines.Skip(1))
{
sb.AppendLine();
sb.Append(line);
}
}
sb.AppendLine(";");
}
}
using (sb.Indent())
{
foreach (var entityType in model.GetScaffoldEntityTypes(_options.Value))
{
_entityTypeBuilderInitialized = false;
GenerateEntityType(entityType, useDataAnnotations, sb);
if (_entityTypeBuilderInitialized)
{
sb.AppendLine("});");
}
}
foreach (var sequence in model.GetSequences())
{
GenerateSequence(sequence, sb);
}
}
sb.AppendLine();
using (sb.Indent())
{
sb.AppendLine("OnModelCreatingPartial(modelBuilder);");
}
sb.AppendLine("}");
sb.AppendLine();
sb.Append("partial void OnModelCreatingPartial(ModelBuilder modelBuilder);");
}
var onModelCreating = sb.ToString();
TemplateData.Add("on-model-creating", onModelCreating);
}
