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 static ICode GenerateEntityHandlerIfClause(
ObjectTypeDescriptor objectTypeDescriptor,
bool isNonNullable)
{
var dataMapperName =
GetFieldName(
CreateEntityMapperName(
objectTypeDescriptor.RuntimeType.Name,
objectTypeDescriptor.Name));
var ifCorrectType = IfBuilder.New();
if (isNonNullable)
{
ifCorrectType.SetCondition(
$"{EntityIdParamName}.Name.Equals(\"" +
$"{objectTypeDescriptor.Name}\", " +
$"{TypeNames.OrdinalStringComparison})");
}
else
{
ifCorrectType.SetCondition(
$"{EntityIdParamName}.Value.Name.Equals(\"" +
$"{objectTypeDescriptor.Name}\", " +
$"{TypeNames.OrdinalStringComparison})");
}
MethodCallBuilder constructorCall = MethodCallBuilder.New()
.SetPrefix($"return {dataMapperName}.")
.SetWrapArguments()
.SetMethodName(nameof(IEntityMapper <object, object> .Map));
MethodCallBuilder argument = MethodCallBuilder.New()
.SetMethodName($"{StoreFieldName}.{nameof(IEntityStore.GetEntity)}")
.SetDetermineStatement(false)
.AddGeneric(CreateEntityTypeName(objectTypeDescriptor.Name))
.AddArgument(isNonNullable ? EntityIdParamName : $"{EntityIdParamName}.Value");
constructorCall.AddArgument(
NullCheckBuilder.New()
.SetDetermineStatement(false)
.SetCondition(argument)
.SetCode(ExceptionBuilder
.New(TypeNames.GraphQLClientException)
.SetDetermineStatement(false)));
ifCorrectType.AddCode(constructorCall);
return(CodeBlockBuilder.New()
.AddEmptyLine()
.AddCode(ifCorrectType));
}
private void AddEntityHandler(
ClassBuilder classBuilder,
ConstructorBuilder constructorBuilder,
MethodBuilder method,
NamedTypeDescriptor namedTypeDescriptor,
HashSet <string> processed,
bool isNonNullable)
{
var nullabilityAdditive = "?";
if (isNonNullable)
{
nullabilityAdditive = "";
}
method.AddParameter(
ParameterBuilder.New()
.SetType(TypeNames.EntityId + nullabilityAdditive)
.SetName(EntityIdParamName));
if (!isNonNullable)
{
method.AddCode(
EnsureProperNullability(
EntityIdParamName,
isNonNullable));
}
foreach (NamedTypeDescriptor implementee in namedTypeDescriptor.ImplementedBy)
{
var dataMapperName =
EntityMapperNameFromGraphQLTypeName(
implementee.Name,
implementee.GraphQLTypeName);
if (processed.Add(dataMapperName))
{
var dataMapperType =
$"{TypeNames.IEntityMapper}<" +
$"{EntityTypeNameFromGraphQLTypeName(implementee.GraphQLTypeName)}, " +
$"{implementee.Name}>";
AddConstructorAssignedField(
dataMapperType,
dataMapperName.ToFieldName(),
classBuilder,
constructorBuilder);
}
}
foreach (NamedTypeDescriptor interfaceImplementee in namedTypeDescriptor.ImplementedBy)
{
method.AddCode(InterfaceImplementeeIf(interfaceImplementee));
}
method.AddCode(ExceptionBuilder.New(TypeNames.NotSupportedException));
IfBuilder InterfaceImplementeeIf(NamedTypeDescriptor interfaceImplementee)
{
var dataMapperName =
EntityMapperNameFromGraphQLTypeName(
interfaceImplementee.Name,
interfaceImplementee.GraphQLTypeName)
.ToFieldName();
var ifCorrectType = IfBuilder.New();
if (isNonNullable)
{
ifCorrectType.SetCondition(
$"{EntityIdParamName}.Name.Equals(\"" +
$"{interfaceImplementee.GraphQLTypeName}\", " +
$"{TypeNames.OrdinalStringComparisson})");
}
else
{
ifCorrectType.SetCondition(
$"{EntityIdParamName}.Value.Name.Equals(\"" +
$"{interfaceImplementee.GraphQLTypeName}\", " +
$"{TypeNames.OrdinalStringComparisson})");
}
MethodCallBuilder constructorCall = MethodCallBuilder.New()
.SetPrefix($"return {dataMapperName}.")
.SetWrapArguments()
.SetMethodName(nameof(IEntityMapper <object, object> .Map));
MethodCallBuilder argument = MethodCallBuilder.New()
.SetMethodName($"{StoreFieldName}.{nameof(IEntityStore.GetEntity)}")
.SetDetermineStatement(false)
.AddGeneric(
EntityTypeNameFromGraphQLTypeName(interfaceImplementee.GraphQLTypeName))
.AddArgument(isNonNullable ? EntityIdParamName : $"{EntityIdParamName}.Value");
constructorCall.AddArgument(
NullCheckBuilder.New()
.SetDetermineStatement(false)
.SetCondition(argument)
.SetCode(ExceptionBuilder
.New(TypeNames.GraphQLClientException)
.SetDetermineStatement(false)));
method.AddEmptyLine();
ifCorrectType.AddCode(constructorCall);
return(ifCorrectType);
}
}
