/// <inheritdoc />
public override void OnBeforeCompleteType(
ITypeCompletionContext completionContext,
DefinitionBase?definition,
IDictionary <string, object?> contextData)
{
ISpatialConvention convention = completionContext.GetSpatialConvention();
if (convention.TransformerFactory.HasCoordinateSystems() &&
convention.DefaultSrid > 0)
{
if (!convention.TransformerFactory.ContainsCoordinateSystem(convention.DefaultSrid))
{
throw ThrowHelper.Transformation_DefaultCRSNotFound(convention.DefaultSrid);
}
switch (definition)
{
case ObjectTypeDefinition def:
HandleObjectType(completionContext, def, convention);
break;
case InputObjectTypeDefinition def:
HandleInputObjectType(completionContext, def, convention);
break;
case DirectiveTypeDefinition def:
HandleDirectiveType(completionContext, def, convention);
break;
}
}
}
private static void HandleDirectiveType(
ITypeCompletionContext completionContext,
DirectiveTypeDefinition definition,
ISpatialConvention convention)
{
foreach (var arg in definition.Arguments)
{
if (completionContext.IsNamedType <IGeoJsonInputType>(arg.Type))
{
arg.Formatters.Add(
new GeometryTransformerInputFormatter(
convention.TransformerFactory,
convention.DefaultSrid));
}
}
}
private static void HandleInputObjectType(
ITypeCompletionContext completionContext,
InputObjectTypeDefinition definition,
ISpatialConvention convention)
{
foreach (var field in definition.Fields)
{
if (completionContext.IsNamedType <IGeoJsonInputType>(field.Type))
{
field.Formatters.Add(
new GeometryTransformerInputFormatter(
convention.TransformerFactory,
convention.DefaultSrid));
}
}
}
private static void HandleObjectType(
ITypeCompletionContext completionContext,
ObjectTypeDefinition definition,
ISpatialConvention convention)
{
foreach (var field in definition.Fields)
{
foreach (var arg in field.Arguments)
{
if (arg.Type is not null &&
completionContext.IsNamedType <IGeoJsonInputType>(arg.Type))
{
arg.Formatters.Add(
new GeometryTransformerInputFormatter(
convention.TransformerFactory,
convention.DefaultSrid));
}
}
if (field.Type is not null &&
completionContext.IsNamedType <IGeoJsonObjectType>(field.Type))
{
var argument =
ArgumentDescriptor.New(
completionContext.DescriptorContext,
CrsFieldName);
argument
.Type <IntType>()
.Description(Transformation_Argument_Crs_Description);
field.Arguments.Add(argument.CreateDefinition());
field.MiddlewareDefinitions.Insert(0,
new(FieldClassMiddlewareFactory.Create <GeometryTransformationMiddleware>(
(typeof(IGeometryTransformerFactory), convention.TransformerFactory),
(typeof(int), convention.DefaultSrid))));
}
}
}
