private static MethodDeclarationSyntax CreateQueryResolver(
DataGeneratorContext dataContext,
CodeGeneratorContext generatorContext,
IObjectType objectType)
{
const string session = nameof(session);
dataContext = DataGeneratorContext.FromMember(objectType, dataContext);
TypeNameDirective?typeNameDirective =
objectType.GetFirstDirective <TypeNameDirective>("typeName");
var typeName = typeNameDirective?.Name ?? objectType.Name.Value;
var pluralTypeName = typeNameDirective?.PluralName ?? typeName + "s";
MethodDeclarationSyntax resolverSyntax =
MethodDeclaration(
GenericName(Identifier(Global(Neo4JExecutable)))
.WithTypeArgumentList(
TypeArgumentList(
SingletonSeparatedList <TypeSyntax>(
IdentifierName(typeName)))),
Identifier("Get" + pluralTypeName))
.WithModifiers(TokenList(Token(SyntaxKind.PublicKeyword)))
.WithParameterList(
ParameterList(
SingletonSeparatedList(
Parameter(Identifier(session))
.AddScopedServiceAttribute()
.WithType(IdentifierName(Global(IAsyncSession))))))
.WithExpressionBody(
ArrowExpressionClause(
ImplicitObjectCreationExpression()
.WithArgumentList(
ArgumentList(SingletonSeparatedList(
Argument(IdentifierName("session")))))))
.WithSemicolonToken(Token(SyntaxKind.SemicolonToken))
.AddGraphQLNameAttribute(GraphQLFieldName(pluralTypeName))
.AddNeo4JDatabaseAttribute(generatorContext.DatabaseName)
.AddPagingAttribute(dataContext.Paging)
.AddProjectionAttribute();
if (dataContext.Filtering)
{
resolverSyntax = resolverSyntax.AddFilteringAttribute();
}
if (dataContext.Sorting)
{
resolverSyntax = resolverSyntax.AddSortingAttribute();
}
return(resolverSyntax);
}