private void GenerateRelationship(IForeignKey foreignKey, bool useDataAnnotations, IndentedStringBuilder sb)
{
var canUseDataAnnotations = true;
var annotations = AnnotationCodeGenerator
.FilterIgnoredAnnotations(foreignKey.GetAnnotations())
.ToDictionary(a => a.Name, a => a);
AnnotationCodeGenerator.RemoveAnnotationsHandledByConventions(foreignKey, annotations);
var lines = new List <string>
{
$".{nameof(EntityTypeBuilder.HasOne)}("
+ (foreignKey.DependentToPrincipal != null ? $"d => d.{EntityTypeTransformationService.TransformNavPropertyName(foreignKey.DependentToPrincipal?.Name, foreignKey.PrincipalToDependent?.DeclaringType.Name)}" : null)
+ ")",
$".{(foreignKey.IsUnique ? nameof(ReferenceNavigationBuilder.WithOne) : nameof(ReferenceNavigationBuilder.WithMany))}"
+ "("
+ (foreignKey.PrincipalToDependent != null ? $"p => p.{EntityTypeTransformationService.TransformNavPropertyName(foreignKey.PrincipalToDependent?.Name, foreignKey.DependentToPrincipal?.DeclaringType.Name)}" : null)
+ ")"
};
if (!foreignKey.PrincipalKey.IsPrimaryKey())
{
canUseDataAnnotations = false;
lines.Add(
$".{nameof(ReferenceReferenceBuilder.HasPrincipalKey)}"
+ (foreignKey.IsUnique ? $"<{EntityTypeTransformationService.TransformPropertyName(((ITypeBase)foreignKey.PrincipalEntityType).DisplayName(), "")}>" : "")
+ $"(p => {GenerateLambdaToKey(foreignKey.PrincipalKey.Properties, "p", EntityTypeTransformationService.TransformNavPropertyName)})");
}
lines.Add(
$".{nameof(ReferenceReferenceBuilder.HasForeignKey)}"
+ (foreignKey.IsUnique ? $"<{GetEntityTypeName(foreignKey.PrincipalEntityType, EntityTypeTransformationService.TransformTypeEntityName(((ITypeBase)foreignKey.DeclaringEntityType).DisplayName()))}>" : "")
+ $"(d => {GenerateLambdaToKey(foreignKey.Properties, "d", EntityTypeTransformationService.TransformPropertyName)})");
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.AddRange(
AnnotationCodeGenerator.GenerateFluentApiCalls(foreignKey, annotations).Select(m => CSharpHelper.Fragment(m))
.Concat(GenerateAnnotations(annotations.Values)));
if (!useDataAnnotations ||
!canUseDataAnnotations)
{
AppendMultiLineFluentApi(foreignKey.DeclaringEntityType, lines, sb);
}
}
private string GenerateLambdaToKey(
IReadOnlyList <IProperty> properties,
string lambdaIdentifier)
{
if (properties.Count <= 0)
{
return("");
}
return(properties.Count == 1
? $"{lambdaIdentifier}.{EntityTypeTransformationService.TransformPropertyName(properties[0].Name)}"
: $"new {{ {string.Join(", ", properties.Select(p => lambdaIdentifier + "." + EntityTypeTransformationService.TransformPropertyName(p.Name)))} }}");
}
private void GenerateProperty(IProperty property, bool useDataAnnotations, IndentedStringBuilder sb)
{
var lines = new List <string>
{
$".{nameof(EntityTypeBuilder.Property)}(e => e.{EntityTypeTransformationService.TransformPropertyName(property.Name, property.DeclaringType.Name)})"
};
var annotations = AnnotationCodeGenerator
.FilterIgnoredAnnotations(property.GetAnnotations())
.ToDictionary(a => a.Name, a => a);
AnnotationCodeGenerator.RemoveAnnotationsHandledByConventions(property, annotations);
annotations.Remove(ScaffoldingAnnotationNames.ColumnOrdinal);
if (useDataAnnotations)
{
// Strip out any annotations handled as attributes - these are already handled when generating
// the entity's properties
// Only relational ones need to be removed here. Core ones are already removed by FilterIgnoredAnnotations
annotations.Remove(RelationalAnnotationNames.ColumnName);
annotations.Remove(RelationalAnnotationNames.ColumnType);
_ = AnnotationCodeGenerator.GenerateDataAnnotationAttributes(property, annotations);
}
else
{
if (!property.IsNullable &&
property.ClrType.IsNullableType() &&
!property.IsPrimaryKey())
{
lines.Add($".{nameof(PropertyBuilder.IsRequired)}()");
}
var columnType = property.GetConfiguredColumnType();
if (columnType != null)
{
lines.Add(
$".{nameof(RelationalPropertyBuilderExtensions.HasColumnType)}({CSharpHelper.Literal(columnType)})");
annotations.Remove(RelationalAnnotationNames.ColumnType);
}
var maxLength = property.GetMaxLength();
if (maxLength.HasValue)
{
lines.Add(
$".{nameof(PropertyBuilder.HasMaxLength)}({CSharpHelper.Literal(maxLength.Value)})");
}
}
var precision = property.GetPrecision();
var scale = property.GetScale();
if (precision != null && scale != null && scale != 0)
{
lines.Add(
$".{nameof(PropertyBuilder.HasPrecision)}({CSharpHelper.Literal(precision.Value)}, {CSharpHelper.Literal(scale.Value)})");
}
else if (precision != null)
{
lines.Add(
$".{nameof(PropertyBuilder.HasPrecision)}({CSharpHelper.Literal(precision.Value)})");
}
if (property.IsUnicode() != null)
{
lines.Add(
$".{nameof(PropertyBuilder.IsUnicode)}({(property.IsUnicode() == false ? "false" : "")})");
}
var defaultValue = property.GetDefaultValue();
if (defaultValue == DBNull.Value)
{
lines.Add($".{nameof(RelationalPropertyBuilderExtensions.HasDefaultValue)}()");
annotations.Remove(RelationalAnnotationNames.DefaultValue);
}
else if (defaultValue != null)
{
lines.Add(
$".{nameof(RelationalPropertyBuilderExtensions.HasDefaultValue)}({CSharpHelper.UnknownLiteral(defaultValue)})");
annotations.Remove(RelationalAnnotationNames.DefaultValue);
}
var valueGenerated = property.ValueGenerated;
var isRowVersion = false;
if (((IConventionProperty)property).GetValueGeneratedConfigurationSource() is ConfigurationSource
valueGeneratedConfigurationSource &&
valueGeneratedConfigurationSource != ConfigurationSource.Convention &&
ValueGenerationConvention.GetValueGenerated(property) != valueGenerated)
{
var methodName = valueGenerated switch
{
ValueGenerated.OnAdd => nameof(PropertyBuilder.ValueGeneratedOnAdd),
ValueGenerated.OnAddOrUpdate => property.IsConcurrencyToken
? nameof(PropertyBuilder.IsRowVersion)
: nameof(PropertyBuilder.ValueGeneratedOnAddOrUpdate),
ValueGenerated.OnUpdate => nameof(PropertyBuilder.ValueGeneratedOnUpdate),
ValueGenerated.Never => nameof(PropertyBuilder.ValueGeneratedNever),
_ => throw new InvalidOperationException(DesignStrings.UnhandledEnumValue($"{nameof(ValueGenerated)}.{valueGenerated}"))
};
lines.Add($".{methodName}()");
}
if (property.IsConcurrencyToken &&
!isRowVersion)
{
lines.Add($".{nameof(PropertyBuilder.IsConcurrencyToken)}()");
}
lines.AddRange(
AnnotationCodeGenerator.GenerateFluentApiCalls(property, annotations).Select(m => CSharpHelper.Fragment(m))
.Concat(GenerateAnnotations(annotations.Values)));
switch (lines.Count)
{
case 1:
return;
case 2:
lines = new List <string> {
lines[0] + lines[1]
};
break;
}
AppendMultiLineFluentApi(property.DeclaringEntityType, lines, sb);
}
private void GenerateRelationship(IForeignKey foreignKey, string dependentPropName, string principalPropName,
bool useDataAnnotations, IndentedStringBuilder sb)
{
var canUseDataAnnotations = true;
var annotations = foreignKey.GetAnnotations().ToList();
var lines = new List <string>
{
$".{nameof(EntityTypeBuilder.HasOne)}(d => d.{dependentPropName})",
$".{(foreignKey.IsUnique ? nameof(ReferenceNavigationBuilder.WithOne) : nameof(ReferenceNavigationBuilder.WithMany))}"
+ $"(p => p.{principalPropName})"
};
if (!foreignKey.PrincipalKey.IsPrimaryKey())
{
canUseDataAnnotations = false;
var principlePropDisplayName = EntityTypeTransformationService
.TransformPropertyName(foreignKey.PrincipalEntityType.DisplayName());
lines.Add(
$".{nameof(ReferenceReferenceBuilder.HasPrincipalKey)}"
+ $"{(foreignKey.IsUnique ? $"<{principlePropDisplayName}>" : "")}"
+ $"(p => {GenerateLambdaToKey(foreignKey.PrincipalKey.Properties, "p")})");
}
var dependentPropDisplayName = EntityTypeTransformationService
.TransformPropertyName(foreignKey.DeclaringEntityType.DisplayName());
lines.Add(
$".{nameof(ReferenceReferenceBuilder.HasForeignKey)}"
+ $"{(foreignKey.IsUnique ? $"<{dependentPropDisplayName}>" : "")}"
+ $"(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(
$".{nameof(RelationalReferenceReferenceBuilderExtensions.HasConstraintName)}" +
$"({CSharpHelper.Literal(foreignKey.Relational().Name)})");
RemoveAnnotation(ref annotations, RelationalAnnotationNames.Name);
}
var annotationsToRemove = new List <IAnnotation>();
foreach (var annotation in annotations)
{
if (CodeGenerator.IsHandledByConvention(foreignKey, annotation))
{
annotationsToRemove.Add(annotation);
}
else
{
#pragma warning disable CS0618 // Type or member is obsolete
var line = CodeGenerator.GenerateFluentApi(foreignKey, annotation, Language);
#pragma warning restore CS0618 // Type or member is obsolete
if (line != null)
{
canUseDataAnnotations = false;
lines.Add(line);
annotationsToRemove.Add(annotation);
}
}
}
lines.AddRange(GenerateAnnotations(annotations.Except(annotationsToRemove)));
if (!useDataAnnotations ||
!canUseDataAnnotations)
{
AppendMultiLineFluentApi(foreignKey.DeclaringEntityType, lines, sb);
}
}
private void GenerateEntityType(IEntityType entityType, bool useDataAnnotations,
IndentedStringBuilder sb)
{
GenerateKey(entityType.FindPrimaryKey(), useDataAnnotations, sb);
var annotations = entityType.GetAnnotations().ToList();
RemoveAnnotation(ref annotations, RelationalAnnotationNames.TableName);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.Schema);
RemoveAnnotation(ref annotations, ScaffoldingAnnotationNames.DbSetName);
if (!useDataAnnotations)
{
GenerateTableName(entityType, sb);
}
var annotationsToRemove = new List <IAnnotation>();
var lines = new List <string>();
foreach (var annotation in annotations)
{
if (CodeGenerator.IsHandledByConvention(entityType, annotation))
{
annotationsToRemove.Add(annotation);
}
else
{
#pragma warning disable CS0618 // Type or member is obsolete
var line = CodeGenerator.GenerateFluentApi(entityType, annotation, Language);
#pragma warning restore CS0618 // Type or member is obsolete
if (line != null)
{
lines.Add(line);
annotationsToRemove.Add(annotation);
}
}
}
lines.AddRange(GenerateAnnotations(annotations.Except(annotationsToRemove)));
AppendMultiLineFluentApi(entityType, lines, sb);
foreach (var index in entityType.GetIndexes())
{
GenerateIndex(index, sb);
}
foreach (var property in entityType.GetProperties())
{
var transformedPropName = EntityTypeTransformationService.TransformPropertyName(property.Name);
GenerateProperty(property, transformedPropName, useDataAnnotations, sb);
}
foreach (var foreignKey in entityType.GetForeignKeys())
{
var transformedDepPropName = EntityTypeTransformationService.TransformPropertyName(foreignKey.DependentToPrincipal.Name);
var transformedPrincipalPropName = EntityTypeTransformationService.TransformPropertyName(foreignKey.PrincipalToDependent.Name);
GenerateRelationship(foreignKey, transformedDepPropName, transformedPrincipalPropName, useDataAnnotations, 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.{EntityTypeTransformationService.TransformNavPropertyName(foreignKey.DependentToPrincipal?.Name, foreignKey.PrincipalToDependent?.DeclaringType.Name)}" : null) + ")",
$".{(foreignKey.IsUnique ? nameof(ReferenceNavigationBuilder.WithOne) : nameof(ReferenceNavigationBuilder.WithMany))}"
+ $"(" + (foreignKey.PrincipalToDependent != null ? $"p => p.{EntityTypeTransformationService.TransformNavPropertyName(foreignKey.PrincipalToDependent?.Name, foreignKey.DependentToPrincipal?.DeclaringType.Name)}" : null) + ")"
};
if (!foreignKey.PrincipalKey.IsPrimaryKey())
{
canUseDataAnnotations = false;
lines.Add(
$".{nameof(ReferenceReferenceBuilder.HasPrincipalKey)}"
+ (foreignKey.IsUnique ? $"<{EntityTypeTransformationService.TransformPropertyName(((ITypeBase)foreignKey.PrincipalEntityType).DisplayName(), "")}>" : "")
+ $"(p => {GenerateLambdaToKey(foreignKey.PrincipalKey.Properties, "p", EntityTypeTransformationService.TransformNavPropertyName)})");
}
lines.Add(
$".{nameof(ReferenceReferenceBuilder.HasForeignKey)}"
+ (foreignKey.IsUnique ? $"<{GetEntityTypeName(foreignKey.PrincipalEntityType, EntityTypeTransformationService.TransformTypeEntityName(((ITypeBase)foreignKey.DeclaringEntityType).DisplayName()))}>" : "")
+ $"(d => {GenerateLambdaToKey(foreignKey.Properties, "d", EntityTypeTransformationService.TransformPropertyName)})");
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>
{
$".{nameof(EntityTypeBuilder.Property)}(e => e.{EntityTypeTransformationService.TransformPropertyName(property.Name, property.DeclaringType.Name)})"
};
var annotations = property.GetAnnotations().ToList();
RemoveAnnotation(ref annotations, RelationalAnnotationNames.ColumnName);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.ColumnType);
RemoveAnnotation(ref annotations, CoreAnnotationNames.MaxLength);
RemoveAnnotation(ref annotations, CoreAnnotationNames.TypeMapping);
RemoveAnnotation(ref annotations, CoreAnnotationNames.Unicode);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.DefaultValue);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.DefaultValueSql);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.Comment);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.ComputedColumnSql);
RemoveAnnotation(ref annotations, RelationalAnnotationNames.IsFixedLength);
RemoveAnnotation(ref annotations, ScaffoldingAnnotationNames.ColumnOrdinal);
if (!useDataAnnotations)
{
if (!property.IsNullable &&
property.ClrType.IsNullableType() &&
!property.IsPrimaryKey())
{
lines.Add($".{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);
}
