public static string GetFunctionImportsCode(IEdmModel model, string proxyClassNamespace, string proxyClassName, string endpointUri, Constants.FunctionImportsGenerator generator = Constants.FunctionImportsGenerator.Inner)
{
_proxyClassNamespace = proxyClassNamespace;
var declaredEntityContainer = model.FindDeclaredEntityContainer(proxyClassName);
var functionImports = declaredEntityContainer.FunctionImports().ToList();
var functionMethods = new StringBuilder();
functionMethods.AppendLine("\t\t#region FunctionImports");
functionMethods.AppendLine();
foreach (var functionImport in functionImports)
{
var functionImportModel = new FunctionImportModel(model, functionImport, endpointUri, _proxyClassNamespace);
var functionRegion = string.Empty;
switch (generator)
{
case Constants.FunctionImportsGenerator.Inner:
functionRegion = GetFunctionMethodRegionWithInnerMethods(functionImportModel);
break;
case Constants.FunctionImportsGenerator.SimpleOData:
functionRegion = GetFunctionMethodRegionWithSimpleOdataClient(functionImportModel);
break;
case Constants.FunctionImportsGenerator.Vipr:
//ToDo: need to add
functionRegion = string.Empty;
break;
}
functionMethods.AppendLine(functionRegion);
}
functionMethods.Append("\t\t#endregion");
return(functionMethods.ToString());
}
private static string GetFunctionMethodRegionWithInnerMethods(FunctionImportModel functionImportModel)
{
if (functionImportModel.FunctionImport.IsBindable)
{
return(string.Empty);
}
var methodName = functionImportModel.EntitySetName + functionImportModel.FunctionImport.Name;
var realFunctionImportReturnType = functionImportModel.FunctionReturnType?.ToCodeStringType(_proxyClassNamespace);
var functionRegion = new StringBuilder();
functionRegion.AppendLine($"\t\t#region {methodName}Async");
functionRegion.AppendLine();
//// skip the first parameter for a bound function
//if (functionImportModel.HasParameters && functionImportModel.FunctionImport.IsBindable)
// functionImportModel.FunctionParameters.Remove(functionImportModel.BindableParameter);
// add model class if parameters count gt 0
if (functionImportModel.HasParameters)
{
functionRegion.AppendLine(GetModelRegion($"{methodName}Model", functionImportModel.FunctionParameters, functionImportModel.FunctionImport.IsBindable));
}
functionRegion.AppendLine();
if (functionImportModel.FunctionReturnType == null)
{
functionRegion.AppendLine($"\t\tpublic async Task<ODataStandartResponse> {methodName}Async({(functionImportModel.HasParameters ? $"{methodName}Model model" : string.Empty)})");
functionRegion.AppendLine("\t\t{");
functionRegion.AppendLine($"\t\t\treturn await this.CallOdataMethodWithVoidResultAsync(");
}
else
{
functionRegion.AppendLine($"\t\tpublic async Task<(ODataStandartResponse OdataResponse, {realFunctionImportReturnType} ODataResult)> {methodName}Async({(functionImportModel.HasParameters ? $"{methodName}Model model)" : ")")}");
functionRegion.AppendLine("\t\t{");
functionRegion.AppendLine($"\t\t\treturn await this.{(functionImportModel.FunctionReturnType.IsCollection() ? "CallOdataMethodWithMultipleResultAsync" : "CallOdataMethodWithSingleResultAsync")}<{(functionImportModel.FunctionReturnType.IsCollection() ? $"{realFunctionImportReturnType.Replace("IEnumerable<", string.Empty).Replace(">", string.Empty)}" : $"{realFunctionImportReturnType}")}, {methodName}Model>(");