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CSharpOperationModel.cs
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CSharpOperationModel.cs
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//-----------------------------------------------------------------------
// <copyright file="CSharpOperationModel.cs" company="NSwag">
// Copyright (c) Rico Suter. All rights reserved.
// </copyright>
// <license>https://github.com/NSwag/NSwag/blob/master/LICENSE.md</license>
// <author>Rico Suter, mail@rsuter.com</author>
//-----------------------------------------------------------------------
using System.Collections.Generic;
using System.Linq;
using NJsonSchema;
using NJsonSchema.CodeGeneration.CSharp;
using NSwag.CodeGeneration.Models;
namespace NSwag.CodeGeneration.CSharp.Models
{
/// <summary>The CSharp operation model.</summary>
public class CSharpOperationModel : OperationModelBase<CSharpParameterModel, CSharpResponseModel>
{
private static readonly string[] ReservedKeywords =
{
"abstract", "as", "base", "bool", "break", "byte", "case", "catch", "char", "checked", "class", "const", "continue",
"decimal", "default", "delegate", "do", "double", "else", "enum", "event", "explicit", "extern", "false", "finally", "fixed", "float",
"for", "foreach", "goto", "if", "implicit", "in", "int", "interface", "internal", "is", "lock", "long", "namespace", "new", "null", "object",
"operator", "out", "override", "params", "private", "protected", "public", "readonly", "ref", "return", "sbyte", "sealed", "short", "sizeof",
"stackalloc", "static", "string", "struct", "switch", "this", "throw", "true", "try", "typeof", "uint", "ulong", "unchecked", "unsafe",
"ushort", "using", "virtual", "void", "volatile", "while"
};
private readonly SwaggerToCSharpGeneratorSettings _settings;
private readonly SwaggerOperation _operation;
private readonly SwaggerToCSharpGeneratorBase _generator;
private readonly CSharpTypeResolver _resolver;
/// <summary>Initializes a new instance of the <see cref="CSharpOperationModel" /> class.</summary>
/// <param name="operation">The operation.</param>
/// <param name="settings">The settings.</param>
/// <param name="generator">The generator.</param>
/// <param name="resolver">The resolver.</param>
public CSharpOperationModel(
SwaggerOperation operation,
SwaggerToCSharpGeneratorSettings settings,
SwaggerToCSharpGeneratorBase generator,
CSharpTypeResolver resolver)
: base(resolver.ExceptionSchema, operation, resolver, generator, settings)
{
_settings = settings;
_operation = operation;
_generator = generator;
_resolver = resolver;
var parameters = _operation.ActualParameters.ToList();
if (settings.GenerateOptionalParameters)
{
if (generator is SwaggerToCSharpControllerGenerator)
{
parameters = parameters
.OrderBy(p => p.Position ?? 0)
.OrderBy(p => !p.IsRequired)
.ThenBy(p => p.Default == null).ToList();
}
else
{
parameters = parameters
.OrderBy(p => p.Position ?? 0)
.OrderBy(p => !p.IsRequired)
.ToList();
}
}
Parameters = parameters.Select(parameter =>
new CSharpParameterModel(parameter.Name, GetParameterVariableName(parameter, _operation.Parameters),
ResolveParameterType(parameter), parameter, parameters,
_settings.CodeGeneratorSettings,
_generator,
_resolver))
.ToList();
}
/// <summary>Gets the method's access modifier.</summary>
public string MethodAccessModifier
{
get
{
var controllerName = _settings.GenerateControllerName(ControllerName);
var settings = _settings as SwaggerToCSharpClientGeneratorSettings;
if (settings != null && settings.ProtectedMethods?.Contains(controllerName + "." + ConversionUtilities.ConvertToUpperCamelCase(OperationName, false) + "Async") == true)
return "protected";
return "public";
}
}
/// <summary>Gets the actual name of the operation (language specific).</summary>
public override string ActualOperationName => ConversionUtilities.ConvertToUpperCamelCase(OperationName, false)
+ (MethodAccessModifier == "protected" ? "Core" : string.Empty);
/// <summary>Gets a value indicating whether this operation is rendered as interface method.</summary>
public bool IsInterfaceMethod => MethodAccessModifier == "public";
/// <summary>Gets a value indicating whether the operation has a result type.</summary>
public bool HasResult => UnwrappedResultType != "void";
/// <summary>Gets or sets the synchronous type of the result.</summary>
public string SyncResultType
{
get
{
if (_settings != null && WrapResponse && UnwrappedResultType != "FileResponse")
{
return UnwrappedResultType == "void"
? _settings.ResponseClass.Replace("{controller}", ControllerName)
: _settings.ResponseClass.Replace("{controller}", ControllerName) + "<" + UnwrappedResultType + ">";
}
return UnwrappedResultType;
}
}
/// <summary>Gets or sets the type of the result.</summary>
public override string ResultType
{
get
{
return SyncResultType == "void"
? "System.Threading.Tasks.Task"
: "System.Threading.Tasks.Task<" + SyncResultType + ">";
}
}
/// <summary>Gets or sets the type of the exception.</summary>
public override string ExceptionType
{
get
{
if (_operation.ActualResponses.Count(r => !HttpUtilities.IsSuccessStatusCode(r.Key)) != 1)
return "System.Exception";
var response = _operation.ActualResponses.Single(r => !HttpUtilities.IsSuccessStatusCode(r.Key)).Value;
var isNullable = response.IsNullable(_settings.CodeGeneratorSettings.SchemaType);
return _generator.GetTypeName(response.ActualResponseSchema, isNullable, "Exception");
}
}
/// <summary>Gets or sets the exception descriptions.</summary>
public IEnumerable<CSharpExceptionDescriptionModel> ExceptionDescriptions
{
get
{
var settings = (SwaggerToCSharpClientGeneratorSettings)_settings;
var controllerName = _settings.GenerateControllerName(ControllerName);
return Responses
.Where(r => r.ThrowsException)
.SelectMany(r =>
{
if (r.ExpectedSchemas?.Any() == true)
{
return r.ExpectedSchemas
.Where(s => s.Schema.ActualSchema?.InheritsSchema(_resolver.ExceptionSchema) == true)
.Select(s =>
{
var schema = s.Schema;
var isNullable = schema.IsNullable(_settings.CSharpGeneratorSettings.SchemaType);
var typeName = _generator.GetTypeName(schema.ActualSchema, isNullable, "Response");
return new CSharpExceptionDescriptionModel(typeName, s.Description, controllerName, settings);
});
}
else if (r.InheritsExceptionSchema)
{
return new[]
{
new CSharpExceptionDescriptionModel(r.Type, r.ExceptionDescription, controllerName, settings)
};
}
else
return new CSharpExceptionDescriptionModel[] { };
});
}
}
/// <summary>Gets a value indicating whether a route name is available.</summary>
public bool HasRouteName => RouteName != null;
/// <summary>Gets the route name for this operation.</summary>
public string RouteName
{
get
{
var settings = _settings as SwaggerToCSharpControllerGeneratorSettings;
if (settings != null)
{
return settings.GetRouteName(_operation);
}
return null;
}
}
/// <summary>Gets the name of the parameter variable.</summary>
/// <param name="parameter">The parameter.</param>
/// <param name="allParameters">All parameters.</param>
/// <returns>The parameter variable name.</returns>
protected override string GetParameterVariableName(SwaggerParameter parameter, IEnumerable<SwaggerParameter> allParameters)
{
var name = base.GetParameterVariableName(parameter, allParameters);
return ReservedKeywords.Contains(name) ? "@" + name : name;
}
/// <summary>Resolves the type of the parameter.</summary>
/// <param name="parameter">The parameter.</param>
/// <returns>The parameter type name.</returns>
protected override string ResolveParameterType(SwaggerParameter parameter)
{
var schema = parameter.ActualSchema;
if (schema.Type == JsonObjectType.File)
{
if (parameter.CollectionFormat == SwaggerParameterCollectionFormat.Multi && !schema.Type.HasFlag(JsonObjectType.Array))
return "System.Collections.Generic.IEnumerable<FileParameter>";
return "FileParameter";
}
if (parameter.IsBinaryBodyParameter)
{
return "System.IO.Stream";
}
return base.ResolveParameterType(parameter)
.Replace(_settings.CSharpGeneratorSettings.ArrayType + "<", _settings.ParameterArrayType + "<")
.Replace(_settings.CSharpGeneratorSettings.DictionaryType + "<", _settings.ParameterDictionaryType + "<");
}
/// <summary>Creates the response model.</summary>
/// <param name="statusCode">The status code.</param>
/// <param name="response">The response.</param>
/// <param name="exceptionSchema">The exception schema.</param>
/// <param name="generator">The generator.</param>
/// <param name="settings">The settings.</param>
/// <returns></returns>
protected override CSharpResponseModel CreateResponseModel(string statusCode, SwaggerResponse response, JsonSchema4 exceptionSchema, IClientGenerator generator, ClientGeneratorBaseSettings settings)
{
return new CSharpResponseModel(this, statusCode, response, response == GetSuccessResponse(), exceptionSchema, generator, settings.CodeGeneratorSettings);
}
}
}