public virtual void Write(ICodeFragment fragment, IOutputCache output)
{
DeclareTemplate template = (DeclareTemplate)fragment;
output.Add(template.IsConstant ? "const " : "let ")
.Add(template.Name)
.If(template.Type != null && !(template.Code is NewTemplate)).Add(": ").Add(template.Type).EndIf()
.Add(" = ")
.Add(template.Code)
.CloseLine();
}
public virtual void Write(ICodeFragment fragment, IOutputCache output)
{
DeclareTemplate template = (DeclareTemplate)fragment;
output.Add(template.Type)
.Add(" ")
.Add(template.Name)
.Add(" = ")
.Add(template.Code)
.CloseLine();
}
public static LocalVariableTemplate Local(this ChainedCodeFragment template, DeclareTemplate type)
{
return(new LocalVariableTemplate(type.Name).Chain(template));
}
public virtual void Write(AspDotNetWriteConfiguration configuration, List <ITransferObject> transferObjects, List <FileTemplate> files)
{
if (!configuration.Language.IsCsharp())
{
throw new InvalidOperationException($"Can not generate ASP.net Controller for language {configuration.Language?.Name ?? "Empty"}. Only Csharp is currently implemented");
}
foreach (AspDotNetWriteEntityControllerConfiguration controllerConfiguration in configuration.Controllers)
{
EntityTransferObject entity = transferObjects.OfType <EntityTransferObject>().FirstOrDefault(x => x.Name == controllerConfiguration.Entity)
.AssertIsNotNull(nameof(controllerConfiguration.Entity), $"Entity {controllerConfiguration.Entity} not found. Ensure it is read before.");
string nameSpace = (controllerConfiguration.Namespace ?? configuration.Namespace).AssertIsNotNull(nameof(configuration.Namespace), "asp writer requires a namespace");
ClassTemplate controller = files.AddFile(configuration.RelativePath, configuration.AddHeader)
.AddNamespace(nameSpace)
.AddClass(controllerConfiguration.Name ?? entity.Name + "Controller", Code.Type(configuration.Template.ControllerBase))
.FormatName(configuration)
.WithAttribute("Route", Code.String(controllerConfiguration.Route ?? "[controller]"));
controller.Usings.AddRange(configuration.Template.Usings);
TypeTemplate modelType = entity.Model.ToTemplate();
configuration.Usings.ForEach(x => controller.AddUsing(x));
controllerConfiguration.Usings.ForEach(x => controller.AddUsing(x));
FieldTemplate repositoryField = controller.AddField("repository", Code.Type(entity.Name + "Repository")).Readonly();
controller.AddConstructor().Code.AddLine(Code.This().Field(repositoryField).Assign(Code.New(repositoryField.Type)).Close());
if (controllerConfiguration.Get != null)
{
controller.AddUsing("System.Linq");
MethodTemplate method = controller.AddMethod("Get", Code.Generic("IEnumerable", modelType));
if (configuration.Template.UseAttributes)
{
method.WithAttribute("HttpGet", Code.String(controllerConfiguration.Get.Name ?? "[action]"));
}
DeclareTemplate queryable = Code.Declare(Code.Generic("IQueryable", modelType), "queryable", Code.This().Field(repositoryField).Method("Get"));
method.Code.AddLine(queryable);
foreach (PropertyTransferObject property in entity.Model.Properties)
{
ParameterTemplate parameter = method.AddParameter(property.Type.ToTemplate(), property.Name, Code.Local("default")).FormatName(configuration);
method.Code.AddLine(Code.If(Code.Local(parameter).NotEquals().Local("default"), x => x.Code.AddLine(Code.Local(queryable).Assign(Code.Local(queryable).Method("Where", Code.Lambda("x", Code.Local("x").Property(property.Name).Equals().Local(parameter)))).Close())));
}
method.Code.AddLine(Code.Return(Code.Local(queryable)));
}
if (controllerConfiguration.Post != null)
{
MethodTemplate method = controller.AddMethod("Post", Code.Void());
if (configuration.Template.UseAttributes)
{
method.WithAttribute("HttpPost", Code.String(controllerConfiguration.Post.Name ?? "[action]"));
}
ParameterTemplate parameter = method.AddParameter(modelType, "entity")
.WithAttribute("FromBody");
method.Code.AddLine(Code.This().Field(repositoryField).Method("Add", Code.Local(parameter)).Close());
}
if (controllerConfiguration.Patch != null)
{
MethodTemplate method = controller.AddMethod("Patch", Code.Void());
if (configuration.Template.UseAttributes)
{
method.WithAttribute("HttpPatch", Code.String(controllerConfiguration.Patch.Name ?? "[action]"));
}
ParameterTemplate parameter = method.AddParameter(modelType, "entity")
.WithAttribute("FromBody");
method.Code.AddLine(Code.This().Field(repositoryField).Method("Update", Code.Local(parameter)).Close());
}
if (controllerConfiguration.Put != null)
{
MethodTemplate method = controller.AddMethod("Put", Code.Void());
if (configuration.Template.UseAttributes)
{
method.WithAttribute("HttpPut", Code.String(controllerConfiguration.Put.Name ?? "[action]"));
}
ParameterTemplate parameter = method.AddParameter(modelType, "entity")
.WithAttribute("FromBody");
method.Code.AddLine(Code.This().Field(repositoryField).Method("Update", Code.Local(parameter)).Close());
}
if (controllerConfiguration.Delete != null)
{
MethodTemplate method = controller.AddMethod("Delete", Code.Void());
if (configuration.Template.UseAttributes)
{
method.WithAttribute("HttpDelete", Code.String(controllerConfiguration.Delete.Name ?? "[action]"));
}
List <ParameterTemplate> parameters = new List <ParameterTemplate>();
foreach (EntityKeyTransferObject key in entity.Keys)
{
PropertyTransferObject property = entity.Model.Properties.First(x => x.Name.Equals(key.Name, StringComparison.InvariantCultureIgnoreCase));
parameters.Add(method.AddParameter(property.Type.ToTemplate(), property.Name)
.FormatName(configuration));
}
method.Code.AddLine(Code.This().Field(repositoryField).Method("Delete", parameters.Select(x => Code.Local(x))).Close());
}
}
}
public static DeclareTemplate Constant(this DeclareTemplate template)
{
template.IsConstant = true;
return(template);
}
public static LocalVariableTemplate ToLocal(this DeclareTemplate template)
{
return(template == null ? null : Code.Instance.Local(template.Name));
}
public static LocalVariableTemplate Local(this Code _, DeclareTemplate type)
{
return(new LocalVariableTemplate(type.Name));
}
public virtual void Write(AngularWriteConfiguration configuration, List <ITransferObject> transferObjects, List <FileTemplate> files)
{
Logger.Trace("Generate angular service for ASP.net controller...");
if (!configuration.Language.IsTypeScript())
{
throw new InvalidOperationException($"Can not generate service for ASP.net Controller for language {configuration.Language?.Name ?? "Empty"}");
}
string httpClient = configuration.Service.HttpClient?.Name ?? "HttpClient";
string httpClientImport = configuration.Service.HttpClient?.Import ?? "@angular/common/http";
foreach (HttpServiceTransferObject controller in transferObjects.OfType <HttpServiceTransferObject>())
{
Dictionary <HttpServiceActionParameterTransferObject, ParameterTemplate> mapping = new Dictionary <HttpServiceActionParameterTransferObject, ParameterTemplate>();
string controllerName = controller.Name.TrimEnd("Controller");
ClassTemplate classTemplate = files.AddFile(configuration.Service.RelativePath, configuration.AddHeader)
.AddNamespace(string.Empty)
.AddClass(configuration.Service.Name ?? controllerName + "Service")
.FormatName(configuration)
.WithUsing(httpClient, httpClientImport)
.WithUsing("Injectable", "@angular/core")
.WithUsing("Observable", "rxjs")
.WithUsing("Subject", "rxjs")
.WithAttribute("Injectable", Code.AnonymousObject().WithProperty("providedIn", Code.String("root")));
FieldTemplate httpField = classTemplate.AddField("http", Code.Type(httpClient)).Readonly().FormatName(configuration);
FieldTemplate serviceUrlField = classTemplate.AddField("serviceUrl", Code.Type("string")).Public().FormatName(configuration).Default(Code.String(string.Empty));
classTemplate.AddConstructor().WithParameter(Code.Type(httpClient), "http")
.WithCode(Code.This().Field(httpField).Assign(Code.Local("http")).Close());
string relativeModelPath = FileSystem.RelativeTo(configuration.Model?.RelativePath ?? ".", configuration.Service.RelativePath);
foreach (HttpServiceActionTransferObject action in controller.Actions)
{
ICodeFragment errorCode = Code.Lambda("error", Code.Local("subject").Method("error", Code.Local("error")));
this.MapType(controller.Language, configuration.Language, action.ReturnType);
TypeTemplate returnType = action.ReturnType.ToTemplate();
this.AddUsing(action.ReturnType, classTemplate, configuration, relativeModelPath);
MethodTemplate methodTemplate = classTemplate.AddMethod(action.Name, Code.Generic("Observable", returnType))
.FormatName(configuration);
foreach (HttpServiceActionParameterTransferObject parameter in action.Parameters)
{
this.MapType(controller.Language, configuration.Language, parameter.Type);
this.AddUsing(parameter.Type, classTemplate, configuration, relativeModelPath);
ParameterTemplate parameterTemplate = methodTemplate.AddParameter(parameter.Type.ToTemplate(), parameter.Name).FormatName(configuration);
mapping.Add(parameter, parameterTemplate);
}
methodTemplate.AddParameter(Code.Type("{}"), "httpOptions?");
TypeTemplate subjectType = Code.Generic("Subject", returnType);
methodTemplate.WithCode(Code.Declare(subjectType, "subject", Code.New(subjectType)));
string uri = ("/" + (controller.Route?.Replace("[controller]", controllerName.ToLower()).TrimEnd('/') ?? controllerName) + "/" + action.Route?.Replace("[action]", action.Name.ToLower())).TrimEnd('/');
List <HttpServiceActionParameterTransferObject> inlineParameters = action.Parameters.Where(x => !x.FromBody && x.Inline).OrderBy(x => x.InlineIndex).ToList();
List <HttpServiceActionParameterTransferObject> urlParameters = action.Parameters.Where(x => !x.FromBody && !x.Inline && x.AppendName).ToList();
List <HttpServiceActionParameterTransferObject> urlDirectParameters = action.Parameters.Where(x => !x.FromBody && !x.Inline && !x.AppendName).ToList();
uri = urlParameters.Count > 0 ? $"{uri}?{urlParameters.First().Name}=" : urlDirectParameters.Count > 0 ? $"{uri}?" : uri;
MultilineCodeFragment code = Code.Multiline();
DeclareTemplate declareTemplate = null;
bool hasReturnType = returnType.Name != "void";
bool isPrimitive = this.IsPrimitive(returnType);
if (returnType.Name == "Array")
{
TypeTemplate type = ((GenericTypeTemplate)returnType).Types[0];
declareTemplate = Code.Declare(returnType, "list", Code.TypeScript("[]")).Constant();
code.AddLine(declareTemplate)
.AddLine(Code.TypeScript("for (const entry of <[]>result)").StartBlock())
.AddLine(Code.Local(declareTemplate).Method("push", isPrimitive ? (ICodeFragment)Code.Cast(type, Code.Local("entry")) : Code.New(type, Code.Local("entry"))).Close())
.AddLine(Code.TypeScript("").EndBlock());
}
else if (hasReturnType)
{
declareTemplate = Code.Declare(returnType, "model", isPrimitive ? (ICodeFragment)Code.Cast(returnType, Code.Local("result")) : Code.New(returnType, Code.Local("result"))).Constant();
code.AddLine(declareTemplate);
}
code.AddLine(Code.Local("subject").Method("next").WithParameter(declareTemplate.ToLocal()).Close())
.AddLine(Code.Local("subject").Method("complete").Close());
ChainedCodeFragment parameterUrl = Code.This().Field(serviceUrlField);
if (inlineParameters.Count == 0)
{
parameterUrl = parameterUrl.Append(Code.String(uri));
}
foreach (HttpServiceActionParameterTransferObject parameter in inlineParameters)
{
string[] chunks = uri.Split(new [] { $"{{{parameter.Name}}}" }, StringSplitOptions.RemoveEmptyEntries);
parameterUrl = parameterUrl.Append(Code.String(chunks[0])).Append(Code.Local(parameter.Name));
uri = chunks.Length == 1 ? string.Empty : chunks[1];
}
bool isFirst = true;
foreach (HttpServiceActionParameterTransferObject parameter in urlDirectParameters)
{
if (isFirst)
{
isFirst = false;
parameterUrl = parameterUrl.Append(Code.Local(parameter.Name));
}
else
{
parameterUrl = parameterUrl.Append(Code.String("&")).Append(Code.Local(parameter.Name));
}
}
foreach (HttpServiceActionParameterTransferObject parameter in urlParameters)
{
if (isFirst)
{
isFirst = false;
parameterUrl = parameterUrl.Append(Code.Local(mapping[parameter]));
}
else
{
parameterUrl = parameterUrl.Append(Code.String($"&{parameter.Name}=")).Append(Code.Local(mapping[parameter]));
}
}
methodTemplate.WithCode(
Code.This()
.Field(httpField)
.Method(action.Type.ToString().ToLowerInvariant(),
parameterUrl,
action.RequireBodyParameter ? Code.Local(action.Parameters.Single(x => x.FromBody).Name) : null,
Code.Local("httpOptions")
)
.Method("subscribe", Code.Lambda(hasReturnType ? "result" : null, code), errorCode).Close()
);
methodTemplate.WithCode(Code.Return(Code.Local("subject")));
}
}
}
