private static ICode RegisterWebSocketConnection(string clientName) =>
MethodCallBuilder
.New()
.SetMethodName(TypeNames.AddSingleton)
.AddArgument(_services)
.AddArgument(LambdaBuilder
.New()
.AddArgument(_sp)
.SetBlock(true)
.SetCode(CodeBlockBuilder
.New()
.AddCode(AssignmentBuilder
.New()
.SetLefthandSide($"var {_sessionPool}")
.SetRighthandSide(MethodCallBuilder
.Inline()
.SetMethodName(TypeNames.GetRequiredService)
.AddGeneric(TypeNames.ISessionPool)
.AddArgument(_parentServices)))
.AddCode(MethodCallBuilder
.New()
.SetReturn()
.SetNew()
.SetMethodName(TypeNames.WebSocketConnection)
.AddArgument(LambdaBuilder
.New()
.SetCode(MethodCallBuilder
.Inline()
.SetMethodName(
_sessionPool,
nameof(ISessionPool.CreateAsync))
.AddArgument(clientName.AsStringToken())
.AddArgument("default"))))));
private MethodCallBuilder CreateResultInfoMethodCall(
CSharpSyntaxGeneratorSettings settings,
InterfaceTypeDescriptor resultNamedType,
string concreteType)
{
MethodCallBuilder resultInfoConstructor = MethodCallBuilder
.Inline()
.SetMethodName($"new {concreteType}");
foreach (PropertyDescriptor property in resultNamedType.Properties)
{
if (property.Type.IsOrContainsEntity())
{
resultInfoConstructor.AddArgument($"{GetParameterName(property.Name)}Id");
}
else
{
resultInfoConstructor.AddArgument(BuildUpdateMethodCall(property));
}
}
if (settings.IsStoreEnabled())
{
resultInfoConstructor
.AddArgument(_entityIds)
.AddArgument($"{_snapshot}.Version");
}
return(resultInfoConstructor);
}
private ICode CreateEntityConstructorCall(
ObjectTypeDescriptor objectTypeDescriptor,
bool assignDefault)
{
var propertyLookup = objectTypeDescriptor.Properties.ToDictionary(x => x.Name.Value);
MethodCallBuilder newEntity = MethodCallBuilder
.Inline()
.SetNew()
.SetMethodName(objectTypeDescriptor.EntityTypeDescriptor.RuntimeType.ToString());
foreach (PropertyDescriptor property in
objectTypeDescriptor.EntityTypeDescriptor.Properties.Values)
{
if (propertyLookup.TryGetValue(property.Name.Value, out var ownProperty))
{
newEntity.AddArgument(BuildUpdateMethodCall(ownProperty));
}
else if (assignDefault)
{
newEntity.AddArgument("default!");
}
else
{
newEntity.AddArgument($"{_entity}.{property.Name}");
}
}
return(MethodCallBuilder
.New()
.SetMethodName(_session, "SetEntity")
.AddArgument(_entityId)
.AddArgument(newEntity));
}
private static ICode RegisterSerializerResolver() =>
MethodCallBuilder
.New()
.SetMethodName(TypeNames.AddSingleton)
.AddGeneric(TypeNames.ISerializerResolver)
.AddArgument(_services)
.AddArgument(LambdaBuilder
.New()
.AddArgument(_sp)
.SetCode(
MethodCallBuilder
.Inline()
.SetNew()
.SetMethodName(TypeNames.SerializerResolver)
.SetWrapArguments()
.AddArgument(MethodCallBuilder
.Inline()
.SetMethodName(TypeNames.Concat)
.AddArgument(
MethodCallBuilder
.Inline()
.SetMethodName(TypeNames.GetRequiredService)
.SetWrapArguments()
.AddGeneric(
TypeNames.IEnumerable.WithGeneric(
TypeNames.ISerializer))
.AddArgument(_parentServices))
.AddArgument(MethodCallBuilder
.Inline()
.SetMethodName(TypeNames.GetRequiredService)
.SetWrapArguments()
.AddGeneric(
TypeNames.IEnumerable.WithGeneric(TypeNames.ISerializer))
.AddArgument(_sp)))));
private static ICode RegisterHttpConnection(string clientName) =>
MethodCallBuilder
.New()
.SetMethodName(TypeNames.AddSingleton)
.AddArgument(_services)
.AddGeneric(TypeNames.IHttpConnection)
.AddArgument(LambdaBuilder
.New()
.AddArgument(_sp)
.SetBlock(true)
.SetCode(CodeBlockBuilder
.New()
.AddCode(AssignmentBuilder
.New()
.SetLefthandSide($"var {_clientFactory}")
.SetRighthandSide(MethodCallBuilder
.Inline()
.SetMethodName(TypeNames.GetRequiredService)
.AddGeneric(TypeNames.IHttpClientFactory)
.AddArgument(_parentServices)))
.AddCode(MethodCallBuilder
.New()
.SetReturn()
.SetNew()
.SetMethodName(TypeNames.HttpConnection)
.AddArgument(LambdaBuilder
.New()
.SetCode(MethodCallBuilder
.Inline()
.SetMethodName(
_clientFactory,
nameof(IHttpClientFactory.CreateClient))
.AddArgument(clientName.AsStringToken()))))));
private static MethodBuilder BuildEqualsMethod(
string typeName,
IReadOnlyList <PropertyDescriptor> properties)
{
const string other = nameof(other);
ConditionBuilder equalCondition =
ConditionBuilder
.New()
.SetReturn()
.SetDetermineStatement();
if (properties.Count == 0)
{
equalCondition.And("true");
}
else
{
foreach (PropertyDescriptor property in properties)
{
equalCondition.And(ConditionBuilder
.New()
.Set(BuildPropertyComparison(property.Type, property.Name)));
}
}
return(MethodBuilder
.New()
.SetName(nameof(IEquatable <object> .Equals))
.SetPublic()
.SetInheritance(Inheritance.Virtual)
.SetReturnType(TypeNames.Boolean)
.AddParameter(other, x => x.SetType(typeName.MakeNullable()))
.AddCode(CodeBlockBuilder
.New()
.AddCode(IfBuilder
.New()
.SetCondition(MethodCallBuilder
.Inline()
.SetMethodName(nameof(ReferenceEquals))
.AddArgument("null")
.AddArgument(other))
.AddCode("return false;"))
.AddEmptyLine()
.AddCode(IfBuilder
.New()
.SetCondition(MethodCallBuilder
.Inline()
.SetMethodName(nameof(ReferenceEquals))
.AddArgument("this")
.AddArgument(other))
.AddCode("return true;"))
.AddEmptyLine()
.AddCode(IfBuilder
.New()
.SetCondition($"{other}.GetType() != GetType()")
.AddCode("return false;"))
.AddEmptyLine()
.AddCode(equalCondition)));
}
private IfBuilder GenerateComplexDataInterfaceIfClause(
ObjectTypeDescriptor objectTypeDescriptor,
string variableName)
{
var matchedTypeName = GetParameterName(objectTypeDescriptor.Name);
// since we want to create the data name we will need to craft the type name
// by hand by using the GraphQL type name and the state namespace.
var dataTypeName = new RuntimeTypeInfo(
CreateDataTypeName(objectTypeDescriptor.Name),
$"{objectTypeDescriptor.RuntimeType.Namespace}.State");
var block = CodeBlockBuilder.New();
MethodCallBuilder constructorCall = MethodCallBuilder
.Inline()
.SetNew()
.SetMethodName(objectTypeDescriptor.RuntimeType.ToString());
foreach (PropertyDescriptor prop in objectTypeDescriptor.Properties)
{
if (prop.Type.IsEntityType())
{
constructorCall.AddArgument(BuildMapMethodCall(matchedTypeName, prop));
}
else if (prop.Type.IsNonNullableType())
{
if (prop.Type.NamedType() is ILeafTypeDescriptor
{
RuntimeType: { IsValueType: true }
})
private static AssignmentBuilder CreateDataError(
string exception = "ex")
{
string dict = TypeNames.Dictionary.WithGeneric(
TypeNames.String,
TypeNames.Object.MakeNullable());
string body = "response.Body?.RootElement.ToString()";
MethodCallBuilder createClientError =
MethodCallBuilder
.Inline()
.SetNew()
.SetMethodName(TypeNames.ClientError)
.AddArgument($"{exception}.Message")
.AddArgument($"exception: {exception}")
.AddArgument($"extensions: new {dict} {{ {{ \"body\", {body} }} }}");
return(AssignmentBuilder.New()
.SetLefthandSide("errors")
.SetRighthandSide(
ArrayBuilder.New()
.SetDetermineStatement(false)
.SetType(TypeNames.IClientError)
.AddAssignment(createClientError)));
}
private void AddInterfaceDataTypeDeserializerToMethod(
MethodBuilder methodBuilder,
InterfaceTypeDescriptor interfaceTypeDescriptor)
{
methodBuilder.AddCode(
AssignmentBuilder
.New()
.SetLefthandSide($"var {_typename}")
.SetRighthandSide(MethodCallBuilder
.Inline()
.SetMethodName(
_obj,
"Value",
nameof(JsonElement.GetProperty))
.AddArgument(WellKnownNames.TypeName.AsStringToken())
.Chain(x => x.SetMethodName(nameof(JsonElement.GetString)))));
// If the type is an interface
foreach (ObjectTypeDescriptor concreteType in interfaceTypeDescriptor.ImplementedBy)
{
MethodCallBuilder returnStatement = MethodCallBuilder
.New()
.SetReturn()
.SetNew()
.SetMethodName(
$"{concreteType.RuntimeType.Namespace}.State." +
CreateDataTypeName(concreteType.Name))
.AddArgument("typename");
foreach (PropertyDescriptor property in concreteType.Properties)
{
if (property.Name.Value.EqualsOrdinal(WellKnownNames.TypeName))
{
continue;
}
returnStatement.AddArgument(
CodeBlockBuilder
.New()
.AddCode($"{GetParameterName(property.Name)}: ")
.AddCode(BuildUpdateMethodCall(property)));
}
IfBuilder ifStatement = IfBuilder
.New()
.SetCondition(
$"typename?.Equals(\"{concreteType.Name}\", " +
$"{TypeNames.OrdinalStringComparison}) ?? false")
.AddCode(returnStatement);
methodBuilder
.AddEmptyLine()
.AddCode(ifStatement);
}
methodBuilder
.AddEmptyLine()
.AddCode(ExceptionBuilder.New(TypeNames.NotSupportedException));
}
private static ICode GenerateEntityHandlerIfClause(
ObjectTypeDescriptor objectTypeDescriptor,
bool isNonNullable)
{
var dataMapperName =
GetFieldName(
CreateEntityMapperName(
objectTypeDescriptor.RuntimeType.Name,
objectTypeDescriptor.Name));
MethodCallBuilder constructorCall = MethodCallBuilder
.New()
.SetReturn()
.SetWrapArguments()
.SetMethodName(dataMapperName, nameof(IEntityMapper <object, object> .Map));
MethodCallBuilder argument = MethodCallBuilder
.Inline()
.SetMethodName(StoreFieldName, nameof(IEntityStore.GetEntity))
.AddGeneric(CreateEntityTypeName(objectTypeDescriptor.Name))
.AddArgument(isNonNullable ? _entityId : $"{_entityId}.Value");
constructorCall.AddArgument(
NullCheckBuilder
.New()
.SetDetermineStatement(false)
.SetCondition(argument)
.SetCode(ExceptionBuilder.Inline(TypeNames.GraphQLClientException)));
IfBuilder ifCorrectType = IfBuilder
.New()
.AddCode(constructorCall)
.SetCondition(
MethodCallBuilder
.Inline()
.SetMethodName(
isNonNullable
? new[]
{
_entityId,
nameof(EntityId.Name),
nameof(string.Equals)
}
: new[]
{
_entityId,
nameof(Nullable <EntityId> .Value),
nameof(EntityId.Name),
nameof(string.Equals)
})
.AddArgument(objectTypeDescriptor.Name.AsStringToken())
.AddArgument(TypeNames.OrdinalStringComparison));
return(CodeBlockBuilder
.New()
.AddEmptyLine()
.AddCode(ifCorrectType));
}
private IfBuilder GenerateDataInterfaceIfClause(
ObjectTypeDescriptor objectTypeDescriptor,
bool isNonNullable,
string variableName)
{
ICode ifCondition = MethodCallBuilder
.Inline()
.SetMethodName(
_dataParameterName.MakeNullable(!isNonNullable),
WellKnownNames.TypeName,
nameof(string.Equals))
.AddArgument(objectTypeDescriptor.Name.AsStringToken())
.AddArgument(TypeNames.OrdinalStringComparison);
if (!isNonNullable)
{
ifCondition = NullCheckBuilder
.New()
.SetCondition(ifCondition)
.SetSingleLine()
.SetDetermineStatement(false)
.SetCode("false");
}
MethodCallBuilder constructorCall = MethodCallBuilder
.Inline()
.SetNew()
.SetMethodName(objectTypeDescriptor.RuntimeType.Name);
foreach (PropertyDescriptor prop in objectTypeDescriptor.Properties)
{
var propAccess = $"{_dataParameterName}.{prop.Name}";
if (prop.Type.IsEntityType() || prop.Type.IsDataType())
{
constructorCall.AddArgument(BuildMapMethodCall(_dataParameterName, prop, true));
}
else if (prop.Type.IsNullableType())
{
constructorCall.AddArgument(propAccess);
}
else
{
constructorCall
.AddArgument(
NullCheckBuilder
.Inline()
.SetCondition(propAccess)
.SetCode(ExceptionBuilder.Inline(TypeNames.ArgumentNullException)));
}
}
return(IfBuilder
.New()
.SetCondition(ifCondition)
.AddCode(AssignmentBuilder
.New()
.SetLefthandSide(variableName)
.SetRighthandSide(constructorCall)));
}
private IfBuilder BuildTryGetEntityIf(RuntimeTypeInfo entityType)
{
return(IfBuilder
.New()
.SetCondition(MethodCallBuilder
.Inline()
.SetMethodName(_session, "CurrentSnapshot", "TryGetEntity")
.AddArgument(_entityId)
.AddOutArgument(_entity, entityType.ToString())));
}
public static MethodCallBuilder Chain(
this MethodCallBuilder builder,
Action <MethodCallBuilder> configure)
{
var chainedMethod = MethodCallBuilder.Inline();
configure(chainedMethod);
builder.AddChainedCode(chainedMethod);
return(builder);
}
private MethodCallBuilder BuildUpdateMethodCall(PropertyDescriptor property)
{
MethodCallBuilder propertyAccessor = MethodCallBuilder
.Inline()
.SetMethodName(TypeNames.GetPropertyOrNull)
.AddArgument(_obj)
.AddArgument(property.FieldName.AsStringToken());
return(BuildUpdateMethodCall(property.Type, propertyAccessor).SetWrapArguments());
}
private void AddUpdateEntityMethod(
ClassBuilder classBuilder,
MethodBuilder methodBuilder,
INamedTypeDescriptor namedTypeDescriptor,
HashSet <string> processed)
{
methodBuilder.AddCode(
AssignmentBuilder
.New()
.SetLefthandSide($"{TypeNames.EntityId} {_entityId}")
.SetRighthandSide(
MethodCallBuilder
.Inline()
.SetMethodName(_idSerializer, "Parse")
.AddArgument($"{_obj}.Value")));
methodBuilder.AddCode(
MethodCallBuilder
.New()
.SetMethodName(_entityIds, nameof(List <object> .Add))
.AddArgument(_entityId));
methodBuilder.AddEmptyLine();
if (namedTypeDescriptor is InterfaceTypeDescriptor interfaceTypeDescriptor)
{
// If the type is an interface
foreach (ObjectTypeDescriptor concreteType in interfaceTypeDescriptor.ImplementedBy)
{
methodBuilder
.AddEmptyLine()
.AddCode(CreateUpdateEntityStatement(concreteType)
.AddCode($"return {_entityId};"));
}
methodBuilder.AddEmptyLine();
methodBuilder.AddCode(ExceptionBuilder.New(TypeNames.NotSupportedException));
}
else if (namedTypeDescriptor is ObjectTypeDescriptor objectTypeDescriptor)
{
BuildTryGetEntityIf(
CreateEntityType(
objectTypeDescriptor.Name,
objectTypeDescriptor.RuntimeType.NamespaceWithoutGlobal))
.AddCode(CreateEntityConstructorCall(objectTypeDescriptor, false))
.AddElse(CreateEntityConstructorCall(objectTypeDescriptor, true));
methodBuilder.AddEmptyLine();
methodBuilder.AddCode($"return {_entityId};");
}
AddRequiredDeserializeMethods(namedTypeDescriptor, classBuilder, processed);
}
private void WriteEntityLoader <T>(
ICodeContainer <T> codeContainer,
string entityTypeName)
{
codeContainer.AddCode(
AssignmentBuilder
.New()
.SetLefthandSide($"{entityTypeName} {_entity}")
.SetRighthandSide(
MethodCallBuilder
.Inline()
.SetMethodName(_entityStore, nameof(IEntityStore.GetOrCreate))
.AddGeneric(entityTypeName)
.AddArgument(_entityId)));
}
private void AddScalarTypeDeserializerMethod(
MethodBuilder methodBuilder,
ILeafTypeDescriptor namedType)
{
string deserializeMethod = JsonUtils.GetParseMethod(namedType.SerializationType);
methodBuilder.AddCode(
MethodCallBuilder
.New()
.SetReturn()
.SetMethodName(GetFieldName(namedType.Name) + "Parser", "Parse")
.AddArgument(MethodCallBuilder
.Inline()
.SetMethodName(_obj, nameof(Nullable <JsonElement> .Value), deserializeMethod)
.SetNullForgiving()));
}
private static ICode GenerateMethodBody(DependencyInjectionDescriptor descriptor) =>
CodeBlockBuilder
.New()
.AddMethodCall(x =>
x.SetMethodName(TypeNames.AddSingleton)
.AddArgument(_services)
.AddArgument(LambdaBuilder
.New()
.SetBlock(true)
.AddArgument(_sp)
.SetCode(
CodeBlockBuilder
.New()
.AddCode(
AssignmentBuilder
.New()
.SetLefthandSide($"var {_serviceCollection}")
.SetRighthandSide(
MethodCallBuilder
.Inline()
.SetNew()
.SetMethodName(TypeNames.ServiceCollection)))
.AddEmptyLine()
.AddMethodCall(x => x.SetMethodName("ConfigureClient")
.AddArgument(_serviceCollection)
.AddArgument(_sp)
.AddArgument(_strategy))
.AddEmptyLine()
.AddCode(MethodCallBuilder
.New()
.SetReturn()
.SetNew()
.SetMethodName("ClientServiceProvider")
.SetWrapArguments()
.AddArgument(MethodCallBuilder
.Inline()
.SetMethodName(TypeNames.BuildServiceProvider)
.AddArgument(_serviceCollection))))))
.AddEmptyLine()
.ForEach(
descriptor.Operations,
(builder, operation) =>
builder.AddCode(ForwardSingletonToClientServiceProvider(operation.Name)))
.AddEmptyLine()
.AddCode(ForwardSingletonToClientServiceProvider(descriptor.Name))
.AddEmptyLine()
.AddLine($"return {_services};");
private MethodCallBuilder BuildUpdateMethodCall(
ITypeDescriptor property,
ICode argument)
{
MethodCallBuilder deserializeMethodCaller = MethodCallBuilder
.Inline()
.SetMethodName(DeserializerMethodNameFromTypeName(property));
deserializeMethodCaller.AddArgument(argument);
if (property.IsEntityType() || property.ContainsEntity())
{
deserializeMethodCaller.AddArgument(_entityIds);
}
return(deserializeMethodCaller);
}
private static ICode ForwardSingletonToClientServiceProvider(string generic) =>
MethodCallBuilder
.New()
.SetMethodName(TypeNames.AddSingleton)
.AddArgument(_services)
.AddArgument(LambdaBuilder
.New()
.AddArgument(_sp)
.SetCode(MethodCallBuilder
.Inline()
.SetMethodName(TypeNames.GetRequiredService)
.SetWrapArguments()
.AddArgument(MethodCallBuilder
.Inline()
.SetMethodName(TypeNames.GetRequiredService)
.AddGeneric("ClientServiceProvider")
.AddArgument(_sp))
.AddGeneric(generic)));
private static void AddInjectedSerializers(
OperationDescriptor descriptor,
ConstructorBuilder constructorBuilder,
ClassBuilder classBuilder)
{
var neededSerializers = descriptor
.Arguments
.GroupBy(x => x.Type.Name)
.ToDictionary(x => x.Key, x => x.First());
if (!neededSerializers.Any())
{
return;
}
constructorBuilder
.AddParameter(_serializerResolver)
.SetType(TypeNames.ISerializerResolver);
foreach (var property in neededSerializers.Values)
{
if (property.Type.GetName().Value is { } name)
{
var fieldName = $"{GetFieldName(name)}Formatter";
constructorBuilder
.AddCode(
AssignmentBuilder
.New()
.SetLefthandSide(fieldName)
.SetRighthandSide(
MethodCallBuilder
.Inline()
.SetMethodName(
_serializerResolver,
"GetInputValueFormatter")
.AddArgument(name.AsStringToken())));
classBuilder
.AddField()
.SetName(fieldName)
.SetAccessModifier(AccessModifier.Private)
.SetType(TypeNames.IInputValueFormatter)
.SetReadOnly();
}
private static ICode GenerateMethodBody(
CSharpSyntaxGeneratorSettings settings,
DependencyInjectionDescriptor descriptor) =>
CodeBlockBuilder
.New()
.AddCode(
AssignmentBuilder
.New()
.SetLefthandSide($"var {_serviceCollection}")
.SetRighthandSide(MethodCallBuilder
.Inline()
.SetNew()
.SetMethodName(TypeNames.ServiceCollection)))
.AddMethodCall(x => x
.SetMethodName(TypeNames.AddSingleton)
.AddArgument(_services)
.AddArgument(LambdaBuilder
.New()
.SetBlock(true)
.AddArgument(_sp)
.SetCode(GenerateClientServiceProviderFactory(descriptor))))
.AddEmptyLine()
.AddCode(RegisterStoreAccessor(settings, descriptor.StoreAccessor))
.AddEmptyLine()
.ForEach(
descriptor.Operations,
(builder, operation) =>
builder.AddCode(ForwardSingletonToClientServiceProvider(
operation.RuntimeType.ToString())))
.AddEmptyLine()
.AddCode(ForwardSingletonToClientServiceProvider(
descriptor.ClientDescriptor.RuntimeType.ToString()))
.AddCode(ForwardSingletonToClientServiceProvider(
descriptor.ClientDescriptor.InterfaceType.ToString()))
.AddEmptyLine()
.AddMethodCall(x => x
.SetReturn()
.SetNew()
.SetMethodName(
TypeNames.ClientBuilder.WithGeneric(descriptor.StoreAccessor.RuntimeType))
.AddArgument(descriptor.Name.AsStringToken())
.AddArgument(_services)
.AddArgument(_serviceCollection));
private static ICode BuildProperty(
ITypeDescriptor type,
string propertyName)
{
return(BuildPropertyInternal(type, propertyName, true));
ICode BuildPropertyInternal(
ITypeDescriptor currentType,
string variableName,
bool isNullable)
{
ICode check = currentType switch
{
NonNullTypeDescriptor d =>
BuildPropertyInternal(d.InnerType, variableName, false),
INamedTypeDescriptor => AssignmentBuilder
.New()
.SetLefthandSide(HashCodeBuilder.VariableName)
.SetOperator("^=")
.SetRighthandSide(MethodCallBuilder
.Inline()
.SetPrefix($"{HashCodeBuilder.Prime} * ")
.SetMethodName(variableName, nameof(GetHashCode))),
ListTypeDescriptor d => ForEachBuilder
.New()
.SetLoopHeader($"var {variableName}_elm in {variableName}")
.AddCode(BuildPropertyInternal(d.InnerType, variableName + "_elm", true)),
_ => throw new ArgumentOutOfRangeException()
};
if (isNullable && currentType is not NonNullTypeDescriptor)
{
return(IfBuilder
.New()
.SetCondition($"!({variableName} is null)")
.AddCode(check));
}
return(check);
}
}
}
private static ICode BuildPropertyComparison(
ITypeDescriptor type,
string propertyName)
{
const string other = nameof(other);
return(BuildPropertyInternal(type, true));
ICode BuildPropertyInternal(
ITypeDescriptor currentType,
bool isNullable)
{
return(currentType switch
{
NonNullTypeDescriptor d =>
BuildPropertyInternal(d.InnerType, false),
ILeafTypeDescriptor d when d.SerializationType.IsValueType =>
CodeInlineBuilder
.New()
.SetText($"{propertyName} == {other}.{propertyName}"),
INamedTypeDescriptor when isNullable =>
ConditionBuilder
.New()
.Set($"({propertyName} is null && {other}.{propertyName} is null) ||" +
$"{propertyName} != null && {propertyName}.{nameof(Equals)}(" +
$"{other}.{propertyName})"),
INamedTypeDescriptor =>
MethodCallBuilder
.Inline()
.SetMethodName(propertyName, nameof(Equals))
.AddArgument($"{other}.{propertyName}"),
ListTypeDescriptor =>
MethodCallBuilder
.Inline()
.SetMethodName(TypeNames.SequenceEqual)
.AddArgument(propertyName)
.AddArgument($"{other}.{propertyName}"),
_ => throw new ArgumentOutOfRangeException()
});
}
private void AddScalarTypeDeserializerMethod(
MethodBuilder methodBuilder,
ILeafTypeDescriptor namedType)
{
string deserializeMethod = namedType.SerializationType.ToString() switch
{
TypeNames.String => nameof(JsonElement.GetString),
TypeNames.Uri => nameof(JsonElement.GetString),
TypeNames.Byte => nameof(JsonElement.GetByte),
TypeNames.ByteArray => nameof(JsonElement.GetBytesFromBase64),
TypeNames.Int16 => nameof(JsonElement.GetInt16),
TypeNames.Int32 => nameof(JsonElement.GetInt32),
TypeNames.Int64 => nameof(JsonElement.GetInt64),
TypeNames.UInt16 => nameof(JsonElement.GetUInt16),
TypeNames.UInt32 => nameof(JsonElement.GetUInt32),
TypeNames.UInt64 => nameof(JsonElement.GetUInt64),
TypeNames.Single => nameof(JsonElement.GetSingle),
TypeNames.Double => nameof(JsonElement.GetDouble),
TypeNames.Decimal => nameof(JsonElement.GetDecimal),
TypeNames.DateTimeOffset => nameof(JsonElement.GetString),
TypeNames.DateTime => nameof(JsonElement.GetString),
TypeNames.TimeSpan => nameof(JsonElement.GetString),
TypeNames.Boolean => nameof(JsonElement.GetBoolean),
TypeNames.Guid => nameof(JsonElement.GetGuid),
_ => throw new NotSupportedException("Serialization format not supported.")
};
methodBuilder.AddCode(
MethodCallBuilder
.New()
.SetReturn()
.SetMethodName(
GetFieldName(namedType.Name) + "Parser",
nameof(ILeafValueParser <object, object> .Parse))
.AddArgument(MethodCallBuilder
.Inline()
.SetMethodName(_obj, nameof(Nullable <JsonElement> .Value), deserializeMethod)
.SetNullForgiving()));
}
}
private ICode ParseEntityIdBody(EntityIdFactoryDescriptor descriptor)
{
AssignmentBuilder typeNameAssignment =
AssignmentBuilder
.New()
.SetLefthandSide($"{TypeNames.String} {WellKnownNames.TypeName}")
.SetRighthandSide(
MethodCallBuilder
.Inline()
.SetMethodName(_obj, nameof(JsonElement.GetProperty))
.AddArgument(WellKnownNames.TypeName.AsStringToken())
.Chain(x => x
.SetMethodName(nameof(JsonElement.GetString))
.SetNullForgiving()));
SwitchExpressionBuilder typeNameSwitch =
SwitchExpressionBuilder
.New()
.SetReturn()
.SetExpression(WellKnownNames.TypeName)
.SetDefaultCase(ExceptionBuilder.Inline(TypeNames.NotSupportedException));
foreach (var entity in descriptor.Entities)
{
typeNameSwitch.AddCase(
entity.Name.AsStringToken(),
MethodCallBuilder
.Inline()
.SetMethodName($"Parse{entity.Name}EntityId")
.AddArgument(_obj)
.AddArgument(WellKnownNames.TypeName));
}
return(CodeBlockBuilder
.New()
.AddCode(typeNameAssignment)
.AddEmptyLine()
.AddCode(typeNameSwitch));
}
private void AddInterfaceDataTypeDeserializerToMethod(
MethodBuilder methodBuilder,
InterfaceTypeDescriptor interfaceTypeDescriptor)
{
methodBuilder.AddCode(
AssignmentBuilder
.New()
.SetLefthandSide($"var {_typename}")
.SetRighthandSide(MethodCallBuilder
.Inline()
.SetMethodName(
_obj,
"Value",
nameof(JsonElement.GetProperty))
.AddArgument(WellKnownNames.TypeName.AsStringToken())
.Chain(x => x.SetMethodName(nameof(JsonElement.GetString)))));
// If the type is an interface
foreach (ObjectTypeDescriptor concreteType in interfaceTypeDescriptor.ImplementedBy)
{
MethodCallBuilder returnStatement = CreateBuildDataStatement(concreteType)
.SetReturn();
IfBuilder ifStatement = IfBuilder
.New()
.SetCondition(
$"typename?.Equals(\"{concreteType.Name}\", " +
$"{TypeNames.OrdinalStringComparison}) ?? false")
.AddCode(returnStatement);
methodBuilder
.AddEmptyLine()
.AddCode(ifStatement);
}
methodBuilder
.AddEmptyLine()
.AddCode(ExceptionBuilder.New(TypeNames.NotSupportedException));
}
private static MethodBuilder BuildObjectEqualsMethod(string typeName)
{
const string obj = nameof(obj);
return(MethodBuilder
.New()
.SetName(nameof(IEquatable <object> .Equals))
.SetPublic()
.SetOverride()
.SetReturnType(TypeNames.Boolean)
.AddParameter(obj, x => x.SetType(TypeNames.Object.MakeNullable()))
.AddCode(CodeBlockBuilder
.New()
.AddCode(IfBuilder
.New()
.SetCondition(MethodCallBuilder
.Inline()
.SetMethodName(nameof(ReferenceEquals))
.AddArgument("null")
.AddArgument(obj))
.AddCode("return false;"))
.AddEmptyLine()
.AddCode(IfBuilder
.New()
.SetCondition(MethodCallBuilder
.Inline()
.SetMethodName(nameof(ReferenceEquals))
.AddArgument("this")
.AddArgument(obj))
.AddCode("return true;"))
.AddEmptyLine()
.AddCode(IfBuilder
.New()
.SetCondition($"{obj}.GetType() != GetType()")
.AddCode("return false;"))
.AddEmptyLine()
.AddLine($"return Equals(({typeName}){obj});")));
}
private IfBuilder GenerateComplexDataInterfaceIfClause(
ObjectTypeDescriptor objectTypeDescriptor,
string variableName)
{
var matchedTypeName = GetParameterName(objectTypeDescriptor.Name);
// since we want to create the data name we will need to craft the type name
// by hand by using the GraphQL type name and the state namespace.
var dataTypeName = new RuntimeTypeInfo(
CreateDataTypeName(objectTypeDescriptor.Name),
$"{objectTypeDescriptor.RuntimeType.Namespace}.State");
MethodCallBuilder constructorCall = MethodCallBuilder
.Inline()
.SetNew()
.SetMethodName(objectTypeDescriptor.RuntimeType.ToString());
foreach (PropertyDescriptor prop in objectTypeDescriptor.Properties)
{
if (prop.Type.IsEntityType())
{
constructorCall.AddArgument(BuildMapMethodCall(matchedTypeName, prop));
}
else
{
constructorCall.AddArgument($"{matchedTypeName}.{prop.Name}");
}
}
return(IfBuilder
.New()
.SetCondition($"{_dataParameterName} is {dataTypeName} {matchedTypeName}")
.AddCode(
AssignmentBuilder
.New()
.SetLefthandSide(variableName)
.SetRighthandSide(constructorCall)));
}
private ICode FormatEntityIdBody(EntityIdFactoryDescriptor descriptor)
{
SwitchExpressionBuilder typeNameSwitch =
SwitchExpressionBuilder
.New()
.SetReturn()
.SetExpression($"{_entityId}.Name")
.SetDefaultCase(ExceptionBuilder.Inline(TypeNames.NotSupportedException));
foreach (var entity in descriptor.Entities)
{
typeNameSwitch.AddCase(
entity.Name.AsStringToken(),
MethodCallBuilder
.Inline()
.SetMethodName($"Format{entity.Name}EntityId")
.AddArgument(_entityId));
}
return(CodeBlockBuilder
.New()
.AddCode(typeNameSwitch));
}