public static ScalarTypeDef GetScalarTypeDef(this GraphQLApiModel model, string name)
{
if (model.TypesByName.TryGetValue(name, out var typeDef))
{
return((ScalarTypeDef)typeDef);
}
return(null);
}
public static TypeDefBase GetTypeDef(this GraphQLApiModel model, Type type)
{
if (model.TypesByClrType.TryGetValue(type, out var typeDef))
{
return(typeDef);
}
return(null);
}
public static TypeDefBase LookupTypeDef(this GraphQLApiModel model, string name)
{
if (model.TypesByName.TryGetValue(name, out var typeDef))
{
return(typeDef);
}
return(null);
}
public static TypeDefBase GetMappedGraphQLType(this GraphQLApiModel model, Type entityType)
{
if (model.TypesByEntityType.TryGetValue(entityType, out var typeDef))
{
return(typeDef);
}
return(null);
}
public static IList <T> GetTypeDefs <T>(this GraphQLApiModel model, TypeKind kind,
bool excludeHidden = false) where T : TypeDefBase
{
var temp = model.Types.Where(td => td.Kind == kind)
.Where(td => !excludeHidden || !td.Hidden)
.ToList();
return(temp.OfType <T>().ToList());
}
public static TypeDefBase LookupTypeDef(this GraphQLApiModel model, Type clrType)
{
var baseType = clrType;
if (model.TypesByClrType.TryGetValue(baseType, out var typeDef))
{
return(typeDef);
}
return(null);
}
public static ObjectTypeDef GetOperationDef(this GraphQLApiModel model, OperationType opType)
{
switch (opType)
{
case OperationType.Query: return(model.QueryType);
case OperationType.Mutation: return(model.MutationType);
default:
case OperationType.Subscription: return(model.SubscriptionType);
}
}
public static void ForEachModelObject(this GraphQLApiModel model, Action <GraphQLModelObject> action)
{
foreach (var typeDef in model.Types)
{
if (typeDef.IsSchemaType()) // skip Module-Level transient types (ModuleQuery, ModuleMutation etc)
{
typeDef.ApplyDeep(action);
}
}
foreach (var dirDef in model.Directives.Values)
{
dirDef.ApplyDeep(action);
}
} //method
public static ScalarTypeDef GetScalarTypeDef(this GraphQLApiModel model, Type type)
{
return((ScalarTypeDef)model.GetTypeDef(type));
}
public string GenerateSchema(GraphQLApiModel model)
{
_model = model;
_builder = new StringBuilder();
// custom scalar types
var scalarTypes = SelectTypes <ScalarTypeDef>(TypeKind.Scalar)
.Where(td => td.Scalar.IsCustom).ToList();
foreach (var sd in scalarTypes)
{
AppendDescr(sd.Description);
_builder.AppendLine("scalar " + sd.Name);
}
_builder.AppendLine();
// enums
var enumDefs = SelectTypes <EnumTypeDef>(TypeKind.Enum);
foreach (var enumDef in enumDefs)
{
AppendDescr(enumDef.Description);
_builder.AppendLine("enum " + enumDef.Name + " {");
foreach (var m in enumDef.EnumValues)
{
AppendDescr(m.Description, true);
_builder.AppendLine(Indent + m.Name);
}
_builder.AppendLine("}");
_builder.AppendLine();
}
// interfaces
var intfTypes = SelectTypes <InterfaceTypeDef>(TypeKind.Interface);
foreach (var tDef in intfTypes)
{
AppendDescr(tDef.Description);
_builder.AppendLine("interface " + tDef.Name + " {");
foreach (var fld in tDef.Fields)
{
if (fld.Flags.IsSet(FieldFlags.Hidden))
{
continue;
}
Append(fld);
_builder.AppendLine();
}
_builder.AppendLine("}");
_builder.AppendLine();
}
// Input types
var inpTypes = SelectTypes <InputObjectTypeDef>(TypeKind.InputObject);
foreach (var tDef in inpTypes)
{
AppendDescr(tDef.Description);
_builder.Append("input " + tDef.Name);
_builder.AppendLine(" {");
foreach (var fldDef in tDef.Fields)
{
Append(fldDef, indent: true);
_builder.AppendLine();
}
_builder.AppendLine("}");
_builder.AppendLine();
}
// Unions
var unionTypes = SelectTypes <UnionTypeDef>(TypeKind.Union);
foreach (var tDef in unionTypes)
{
var typeNames = string.Join(" | ", tDef.PossibleTypes.Select(t => t.Name));
AppendDescr(tDef.Description);
_builder.AppendLine($"union {tDef.Name} = {typeNames}");
_builder.AppendLine();
}
// types
var objTypes = SelectTypes <ObjectTypeDef>(TypeKind.Object).Where(td => td.IsSchemaType()).ToList();
foreach (var tDef in objTypes)
{
AppendDescr(tDef.Description);
_builder.Append("type " + tDef.Name);
if (tDef.Implements.Count > 0)
{
_builder.Append(" implements ");
var intfList = string.Join(" & ", tDef.Implements.Select(iDef => iDef.Name));
_builder.Append(intfList);
}
AppendDirs(tDef.Directives);
_builder.AppendLine(" {");
foreach (var fld in tDef.Fields)
{
if (fld.Flags.IsSet(FieldFlags.Hidden))
{
continue;
}
Append(fld);
_builder.AppendLine();
}
_builder.AppendLine("}");
_builder.AppendLine();
}
return(_builder.ToString());
}
