57 lines
2.6 KiB
C#
57 lines
2.6 KiB
C#
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using System.Diagnostics.CodeAnalysis;
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using System.Text;
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using Cocona;
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using NJsonSchema.CodeGeneration.CSharp;
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using NSwag;
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using NSwag.CodeGeneration.CSharp;
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using Terminal.Validation;
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namespace Terminal.Commands;
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[SuppressMessage("ReSharper", "ClassNeverInstantiated.Global")]
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public class GenerateCommands
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{
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[Command(Aliases = ["generate"], Description = "Generate a client from an OpenAPI document")]
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public async Task Gen(
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[Option(shortName: 'a', Description = "The address of the OpenAPI document, e.g. 'https://petstore.swagger.io/v2/swagger.json'")]
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Uri address,
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[Option(shortName: 'd', Description = "The destination file, e.g. 'PetStoreClient.cs'. You can use a relative or absolute path and use any environment variables.")]
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[ValidPath]
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string destinationFile,
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[Option(shortName: 'n', Description = "The namespace of the generated client, e.g. 'MyApp.API.PetStoreClient'")]
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string nameSpace = "API_Client",
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[Option(shortName: 'c', Description = "The class name of the generated client, e.g. 'PetStoreClient'. You might want to use '{controller}' as a placeholder for the controller name.")]
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string className = "{controller}Client",
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[Option(shortName: 'b', Description = "Expose the base URL as a property in the generated client? (Default: false)")]
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bool exposeBaseUrl = false,
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[Option(shortName: 'i', Description = "The base interface of the generated client(s), e.g. 'IPetStoreClient'")]
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string? baseInterface = null)
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{
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using var httpClient = new HttpClient();
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var result = await httpClient.GetAsync(address);
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var openAPI = await OpenApiDocument.FromJsonAsync(await result.Content.ReadAsStringAsync());
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var generator = new CSharpClientGenerator(openAPI, new CSharpClientGeneratorSettings
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{
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UseBaseUrl = exposeBaseUrl,
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ClientBaseInterface = baseInterface,
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GenerateClientInterfaces = baseInterface is not null,
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ClassName = className,
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CSharpGeneratorSettings =
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{
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Namespace = nameSpace,
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JsonLibrary = CSharpJsonLibrary.SystemTextJson,
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}
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});
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var apiClientCode = generator.GenerateFile();
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destinationFile = Environment.ExpandEnvironmentVariables(destinationFile);
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await File.WriteAllTextAsync(destinationFile, apiClientCode, Encoding.UTF8);
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Console.WriteLine($"Generated client(s) for '{address}' and saved it to '{destinationFile}'");
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}
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}
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