public void Generate(CodeWriterBase writer, Cfg cfg)
{
if (writer.GetType() != typeof(WriterForCS))
{
throw new Exception("For the selected template is currenty only language 'CS' supported!");
}
var nsImports = new List <string>();
nsImports.Add("Newtonsoft.Json");
nsImports.Add("System");
nsImports.Add("System.Net");
var inputFileFullPath = Path.GetFullPath(cfg.inputFile);
Program.AddResolvePath(Path.GetDirectoryName(inputFileFullPath));
Assembly ass = Assembly.LoadFile(inputFileFullPath);
Type[] svcInterfaces;
try {
svcInterfaces = ass.GetTypes();
}
catch (ReflectionTypeLoadException ex) {
svcInterfaces = ex.Types.Where((t) => t != null).ToArray();
}
//transform patterns to regex
cfg.interfaceTypeNamePattern = "^(" + Regex.Escape(cfg.interfaceTypeNamePattern).Replace("\\*", ".*?") + ")$";
svcInterfaces = svcInterfaces.Where((Type i) => Regex.IsMatch(i.FullName, cfg.interfaceTypeNamePattern)).ToArray();
if (!String.IsNullOrWhiteSpace(cfg.outputNamespace) && cfg.customImports.Contains(cfg.outputNamespace))
{
nsImports.Remove(cfg.outputNamespace);
}
foreach (string import in cfg.customImports.Union(nsImports).Distinct().OrderBy((s) => s))
{
writer.WriteImport(import);
}
if (!String.IsNullOrWhiteSpace(cfg.outputNamespace))
{
writer.WriteLine();
writer.WriteBeginNamespace(cfg.outputNamespace);
}
writer.WriteLine();
writer.WriteLineAndPush($"public partial class {cfg.connectorClassName} {{");
writer.WriteLine();
writer.WriteLineAndPush($"public {cfg.connectorClassName}(string url, string apiToken) {{");
writer.WriteLine();
writer.WriteLineAndPush("if (!url.EndsWith(\"/\")) {");
writer.WriteLine("url = url + \"/\";");
writer.PopAndWriteLine("}");
writer.WriteLine();
foreach (Type svcInt in svcInterfaces)
{
string endpointName = svcInt.Name;
if (endpointName[0] == 'I' && Char.IsUpper(endpointName[1]))
{
endpointName = endpointName.Substring(1);
}
writer.WriteLine($"_{endpointName}Client = new {endpointName}Client(url + \"{writer.Ftl(endpointName)}/\", apiToken);");
}
writer.WriteLine();
writer.PopAndWriteLine("}");
foreach (Type svcInt in svcInterfaces)
{
string endpointName = svcInt.Name;
if (endpointName[0] == 'I' && Char.IsUpper(endpointName[1]))
{
endpointName = endpointName.Substring(1);
}
string svcIntDoc = XmlCommentAccessExtensions.GetDocumentation(svcInt);
writer.WriteLine();
writer.WriteLine($"private {endpointName}Client _{endpointName}Client = null;");
if (!String.IsNullOrWhiteSpace(svcIntDoc))
{
writer.WriteLine($"/// <summary> {svcIntDoc} </summary>");
}
writer.WriteLineAndPush($"public {svcInt.Name} {endpointName} {{");
writer.WriteLineAndPush("get {");
writer.WriteLine($"return _{endpointName}Client;");
writer.PopAndWriteLine("}");
writer.PopAndWriteLine("}");
}
writer.WriteLine();
writer.PopAndWriteLine("}"); //class
foreach (Type svcInt in svcInterfaces)
{
string endpointName = svcInt.Name;
if (endpointName[0] == 'I' && Char.IsUpper(endpointName[1]))
{
endpointName = endpointName.Substring(1);
}
string svcIntDoc = XmlCommentAccessExtensions.GetDocumentation(svcInt);
writer.WriteLine();
if (!String.IsNullOrWhiteSpace(svcIntDoc))
{
writer.WriteLine($"/// <summary> {svcIntDoc} </summary>");
}
writer.WriteLineAndPush($"internal partial class {endpointName}Client : {svcInt.Name} {{");
writer.WriteLine();
writer.WriteLine("private string _Url;");
writer.WriteLine("private string _ApiToken;");
writer.WriteLine();
writer.WriteLineAndPush($"public {endpointName}Client(string url, string apiToken) {{");
writer.WriteLine("_Url = url;");
writer.WriteLine("_ApiToken = apiToken;");
writer.PopAndWriteLine("}"); //constructor
writer.WriteLine();
writer.WriteLineAndPush($"private WebClient CreateWebClient() {{");
writer.WriteLine("var wc = new WebClient();");
//TODO: make customizable
writer.WriteLine("wc.Headers.Set(\"" + cfg.authHeaderName + "\", _ApiToken);");
writer.WriteLine("wc.Headers.Set(\"Content-Type\", \"application/json\");");
writer.WriteLine("return wc;");
writer.PopAndWriteLine("}"); //constructor
foreach (MethodInfo svcMth in svcInt.GetMethods())
{
string svcMthDoc = XmlCommentAccessExtensions.GetDocumentation(svcMth, true);
writer.WriteLine();
if (String.IsNullOrWhiteSpace(svcMthDoc))
{
svcMthDoc = svcMth.Name;
}
writer.WriteLine($"/// <summary> {svcMthDoc} </summary>");
var paramSignature = new List <string>();
foreach (ParameterInfo svcMthPrm in svcMth.GetParameters())
{
string svcMthPrmDoc = XmlCommentAccessExtensions.GetDocumentation(svcMthPrm);
if (String.IsNullOrWhiteSpace(svcMthPrmDoc))
{
svcMthPrmDoc = XmlCommentAccessExtensions.GetDocumentation(svcMthPrm.ParameterType);
}
if (!String.IsNullOrWhiteSpace(svcMthPrmDoc))
{
writer.WriteLine($"/// <param name=\"{svcMthPrm.Name}\"> {svcMthPrmDoc} </param>");
}
Type pt = svcMthPrm.ParameterType;
string pfx = "";
if (svcMthPrm.IsOut)
{
pt = pt.GetElementType();
if (svcMthPrm.IsIn)
{
pfx = "ref ";
}
else
{
pfx = "out ";
}
}
bool nullable;
var ptName = pt.GetTypeNameSave(out nullable);
if (nullable)
{
ptName = ptName + "?";
}
if (svcMthPrm.IsOptional)
{
//were implementing the interface "as it is"
string defaultValueString = "";
if (svcMthPrm.DefaultValue == null)
{
defaultValueString = " = null";
}
else if (svcMthPrm.DefaultValue.GetType() == typeof(string))
{
defaultValueString = " = \"" + svcMthPrm.DefaultValue.ToString() + "\"";
}
else
{
defaultValueString = " = " + svcMthPrm.DefaultValue.ToString() + "";
}
paramSignature.Add($"{pfx}{ptName} {svcMthPrm.Name}" + defaultValueString);
//paramSignature.Add($"{pt} {svcMthPrm.Name} = default({ptName})");
//if (pt.IsValueType) {
// paramSignature.Add($"{pfx}{ptName}? {svcMthPrm.Name} = null");
//}
//else {
// paramSignature.Add($"{pfx}{ptName} {svcMthPrm.Name} = null");
//}
}
else
{
paramSignature.Add($"{pfx}{ptName} {svcMthPrm.Name}");
}
}
if (svcMth.ReturnType == null || svcMth.ReturnType == typeof(void))
{
writer.WriteLineAndPush($"public void {svcMth.Name}({String.Join(", ", paramSignature.ToArray())}) {{");
}
else
{
writer.WriteLineAndPush($"public {svcMth.ReturnType.Name} {svcMth.Name}({String.Join(", ", paramSignature.ToArray())}) {{");
}
writer.WriteLineAndPush($"using (var webClient = this.CreateWebClient()) {{");
writer.WriteLine($"string url = _Url + \"{writer.Ftl(svcMth.Name)}\";");
writer.WriteLineAndPush($"var args = new {svcMth.Name}Request {{");
int i = 0;
int pCount = svcMth.GetParameters().Length;
foreach (ParameterInfo svcMthPrm in svcMth.GetParameters())
{
if (!svcMthPrm.IsOut)
{
i++;
if (i < pCount)
{
writer.WriteLine($"{svcMthPrm.Name} = {svcMthPrm.Name},");
}
else
{
writer.WriteLine($"{svcMthPrm.Name} = {svcMthPrm.Name}");
}
}
}
writer.PopAndWriteLine("};");
writer.WriteLine($"string rawRequest = JsonConvert.SerializeObject(args);");
writer.WriteLine($"string rawResponse = webClient.UploadString(url, rawRequest);");
writer.WriteLine($"var result = JsonConvert.DeserializeObject<{svcMth.Name}Response>(rawResponse);");
foreach (ParameterInfo svcMthPrm in svcMth.GetParameters())
{
if (svcMthPrm.IsOut)
{
writer.WriteLine($"{svcMthPrm.Name} = result.{svcMthPrm.Name};");
}
}
if (cfg.throwClientExecptionsFromFaultProperty)
{
writer.WriteLineAndPush($"if(result.fault != null){{");
writer.WriteLine($"throw new Exception(result.fault);");
writer.PopAndWriteLine("}");
}
if (svcMth.ReturnType == null || svcMth.ReturnType == typeof(void))
{
writer.WriteLine($"return;");
}
else
{
writer.WriteLine($"return result.@return;");
}
writer.PopAndWriteLine("}"); //using
writer.PopAndWriteLine("}"); //method
}//foreach Method
writer.WriteLine();
writer.PopAndWriteLine("}"); //class
}//foreach Interface
if (!String.IsNullOrWhiteSpace(cfg.outputNamespace))
{
writer.WriteLine();
writer.WriteEndNamespace();
}
}
public void Generate(CodeWriterBase writer, Cfg cfg)
{
if (writer.GetType() != typeof(WriterForCS))
{
throw new Exception("For the selected template is currenty only language 'CS' supported!");
}
var nsImports = new List <string>();
nsImports.Add("Microsoft.AspNetCore.Mvc");
nsImports.Add("Microsoft.Extensions.Logging");
nsImports.Add("Security");
if (cfg.generateSwashbuckleAttributesForControllers)
{
nsImports.Add("Swashbuckle.AspNetCore.Annotations");
}
nsImports.Add("System");
nsImports.Add("System.Collections.Generic");
nsImports.Add("System.Linq");
nsImports.Add("System.Net");
var inputFileFullPath = Path.GetFullPath(cfg.inputFile);
Program.AddResolvePath(Path.GetDirectoryName(inputFileFullPath));
Assembly ass = Assembly.LoadFile(inputFileFullPath);
Type[] svcInterfaces;
try {
svcInterfaces = ass.GetTypes();
}
catch (ReflectionTypeLoadException ex) {
svcInterfaces = ex.Types.Where((t) => t != null).ToArray();
}
//transform patterns to regex
cfg.interfaceTypeNamePattern = "^(" + Regex.Escape(cfg.interfaceTypeNamePattern).Replace("\\*", ".*?") + ")$";
svcInterfaces = svcInterfaces.Where((Type i) => Regex.IsMatch(i.FullName, cfg.interfaceTypeNamePattern)).ToArray();
if (!String.IsNullOrWhiteSpace(cfg.outputNamespace) && cfg.customImports.Contains(cfg.outputNamespace))
{
nsImports.Remove(cfg.outputNamespace);
}
foreach (string import in cfg.customImports.Union(nsImports).Distinct().OrderBy((s) => s))
{
writer.WriteImport(import);
}
if (!String.IsNullOrWhiteSpace(cfg.outputNamespace))
{
writer.WriteLine();
writer.WriteBeginNamespace(cfg.outputNamespace);
}
//collect models
//var directlyUsedModelTypes = new List<Type>();
//var wrappers = new Dictionary<String, StringBuilder>();
foreach (Type svcInt in svcInterfaces)
{
//if(!nsImports.Contains(svcInt.Namespace)){
// nsImports.Add(svcInt.Namespace);
//}
string svcIntDoc = XmlCommentAccessExtensions.GetDocumentation(svcInt);
string endpointName = svcInt.Name;
if (endpointName[0] == 'I' && Char.IsUpper(endpointName[1]))
{
endpointName = endpointName.Substring(1);
}
writer.WriteLine();
writer.WriteLine("[ApiController]");
writer.WriteLine($"[Route(\"{writer.Ftl(endpointName)}\")]");
writer.WriteLineAndPush($"public partial class {endpointName}Controller : ControllerBase {{");
writer.WriteLine();
writer.WriteLine($"private readonly ILogger<{endpointName}Controller> _Logger;");
writer.WriteLine($"private readonly {svcInt.Name} _{endpointName};");
writer.WriteLine();
writer.WriteLineAndPush($"public {endpointName}Controller(ILogger<{endpointName}Controller> logger, {svcInt.Name} {writer.Ftl(endpointName)}) {{");
writer.WriteLine($"_Logger = logger;");
writer.WriteLine($"_{endpointName} = {writer.Ftl(endpointName)};");
writer.PopAndWriteLine("}");
foreach (MethodInfo svcMth in svcInt.GetMethods())
{
string svcMthDoc = XmlCommentAccessExtensions.GetDocumentation(svcMth, true);
writer.WriteLine();
if (String.IsNullOrWhiteSpace(svcMthDoc))
{
svcMthDoc = svcMth.Name;
}
writer.WriteLine($"/// <summary> {svcMthDoc} </summary>");
writer.WriteLine($"/// <param name=\"args\"> request capsule containing the method arguments </param>");
if (!String.IsNullOrWhiteSpace(cfg.customAttributesPerControllerMethod))
{
writer.WriteLine("[" + cfg.customAttributesPerControllerMethod.Replace("{C}", endpointName).Replace("{O}", svcMth.Name) + "]");
}
writer.WriteLine($"[HttpPost(\"{writer.Ftl(svcMth.Name)}\"), Produces(\"application/json\")]");
string swaggerBodyAttrib = "";
if (cfg.generateSwashbuckleAttributesForControllers)
{
swaggerBodyAttrib = "[SwaggerRequestBody(Required = true)]";
string escDesc = svcMthDoc.Replace("\\", "\\\\").Replace("\"", "\\\"");
nsImports.Add($"[SwaggerOperation(OperationId = nameof({svcMth.Name}), Description = \"{escDesc}\")]");
}
writer.WriteLineAndPush($"public {svcMth.Name}Response {svcMth.Name}([FromBody]{swaggerBodyAttrib} {svcMth.Name}Request args) {{");
writer.WriteLineAndPush("try {");
writer.WriteLine($"var response = new {svcMth.Name}Response();");
var @params = new List <string>();
foreach (ParameterInfo svcMthPrm in svcMth.GetParameters())
{
if (svcMthPrm.IsOut)
{
if (svcMthPrm.IsIn)
{
writer.WriteLine($"response.{writer.Ftl(svcMthPrm.Name)} = args.{writer.Ftl(svcMthPrm.Name)}; //shift IN-OUT value");
}
@params.Add($"response.{writer.Ftl(svcMthPrm.Name)}");
}
else
{
if (svcMthPrm.IsOptional)
{
string defaultValueString = "";
if (svcMthPrm.DefaultValue == null)
{
defaultValueString = "null";
}
else if (svcMthPrm.DefaultValue.GetType() == typeof(string))
{
defaultValueString = "\"" + svcMthPrm.DefaultValue.ToString() + "\"";
}
else
{
defaultValueString = svcMthPrm.DefaultValue.ToString();
}
if (svcMthPrm.ParameterType.IsValueType)
{
@params.Add($"(args.{writer.Ftl(svcMthPrm.Name)}.HasValue ? args.{writer.Ftl(svcMthPrm.Name)}.Value : {defaultValueString})");
}
else
{
//here 'null' will be used
@params.Add($"args.{writer.Ftl(svcMthPrm.Name)}");
//@params.Add($"(args.{writer.Ftl(svcMthPrm.Name)} == null ? args.{writer.Ftl(svcMthPrm.Name)} : {defaultValueString})");
}
}
else
{
@params.Add($"args.{writer.Ftl(svcMthPrm.Name)}");
}
}
}
if (svcMth.ReturnType != null && svcMth.ReturnType != typeof(void))
{
writer.WriteLine($"response.@return = _{endpointName}.{svcMth.Name}({Environment.NewLine + String.Join("," + Environment.NewLine, @params.ToArray()) + Environment.NewLine});");
}
else
{
writer.WriteLine($"_{endpointName}.{svcMth.Name}({Environment.NewLine + String.Join("," + Environment.NewLine, @params.ToArray()) + Environment.NewLine});");
}
writer.WriteLine($"return response;");
writer.PopAndWriteLine("}");
writer.WriteLineAndPush("catch (Exception ex) {");
writer.WriteLine($"_Logger.LogCritical(ex, ex.Message);");
if (cfg.fillFaultPropertyOnException)
{
writer.WriteLine($"return new {svcMth.Name}Response {{ fault = {cfg.exceptionDisplay} }};");
}
else
{
writer.WriteLine($"return new {svcMth.Name}Response();");
}
writer.PopAndWriteLine("}");
writer.PopAndWriteLine("}"); //method
}//foreach Method
writer.WriteLine();
writer.PopAndWriteLine("}"); //controller-class
}//foreach Interface
if (!String.IsNullOrWhiteSpace(cfg.outputNamespace))
{
writer.WriteLine();
writer.WriteEndNamespace();
}
}