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https://github.com/christianhelle/refitter
A tool for generating Refit interfaces and contracts from OpenAPI specifications
https://github.com/christianhelle/refitter
csharp-sourcegenerator openapi openapi3 refit rest swagger
Last synced: about 5 hours ago
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A tool for generating Refit interfaces and contracts from OpenAPI specifications
- Host: GitHub
- URL: https://github.com/christianhelle/refitter
- Owner: christianhelle
- License: mit
- Created: 2023-02-07T23:18:12.000Z (over 1 year ago)
- Default Branch: main
- Last Pushed: 2024-09-18T14:16:24.000Z (15 days ago)
- Last Synced: 2024-09-18T16:39:33.228Z (15 days ago)
- Topics: csharp-sourcegenerator, openapi, openapi3, refit, rest, swagger
- Language: C#
- Homepage: https://refitter.github.io
- Size: 3.23 MB
- Stars: 180
- Watchers: 6
- Forks: 39
- Open Issues: 29
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Funding: .github/FUNDING.yml
- License: LICENSE
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[](#contributors-)
# Refitter
Refitter is a tool for generating a C# REST API Client using the [Refit](https://github.com/reactiveui/refit) library. Refitter can generate the Refit interface and contracts from OpenAPI specifications. Refitter could format the generated Refit interface to be managed by [Apizr](https://www.apizr.net) (v6+) and generate some registration helpers too.
Refitter comes in 2 forms:
- A [.NET CLI Tool](#cli-tool) distributed via [nuget.org](http://www.nuget.org/packages/refitter) that outputs a single C# file on disk
- A [C# Source Generator](#source-generator) via the [Refitter.SourceGenerator](http://www.nuget.org/packages/refitter.sourcegenerator) package that generates code on compile time based on a [.refitter](#.refitter-file-format) within the project directory.
## CLI Tool
### Installation:
The tool is packaged as a .NET Tool and is published to nuget.org. You can install the latest version of this tool like this:
```shell
dotnet tool install --global Refitter
```
### Usage:
```shell
$ refitter --help
```
```text
USAGE:
refitter [URL or input file] [OPTIONS]
EXAMPLES:
refitter ./openapi.json
refitter https://petstore3.swagger.io/api/v3/openapi.yaml
refitter ./openapi.json --settings-file ./openapi.refitter --output ./GeneratedCode.cs
refitter ./openapi.json --namespace "Your.Namespace.Of.Choice.GeneratedCode" --output ./GeneratedCode.cs
refitter ./openapi.json --namespace "Your.Namespace.Of.Choice.GeneratedCode" --internal
refitter ./openapi.json --output ./IGeneratedCode.cs --interface-only
refitter ./openapi.json --output ./GeneratedContracts.cs --contract-only
refitter ./openapi.json --use-api-response
refitter ./openapi.json --cancellation-tokens
refitter ./openapi.json --no-operation-headers
refitter ./openapi.json --no-accept-headers
refitter ./openapi.json --use-iso-date-format
refitter ./openapi.json --additional-namespace "Your.Additional.Namespace" --additional-namespace "Your.Other.Additional.Namespace"
refitter ./openapi.json --multiple-interfaces ByEndpoint
refitter ./openapi.json --tag Pet --tag Store --tag User
refitter ./openapi.json --match-path '^/pet/.*'
refitter ./openapi.json --trim-unused-schema
refitter ./openapi.json --trim-unused-schema --keep-schema '^Model$' --keep-schema '^Person.+'
refitter ./openapi.json --no-deprecated-operations
refitter ./openapi.json --operation-name-template '{operationName}Async'
refitter ./openapi.json --optional-nullable-parameters
refitter ./openapi.json --use-polymorphic-serialization
ARGUMENTS:
[URL or input file] URL or file path to OpenAPI Specification file
OPTIONS:
DEFAULT
-h, --help Prints help information
-v, --version Prints version information
-s, --settings-file Path to .refitter settings file. Specifying this will ignore all other settings (except for --output)
-n, --namespace GeneratedCode Default namespace to use for generated types
--contracts-namespace Default namespace to use for generated contracts
-o, --output Output.cs Path to Output file or folder (if multiple files are generated)
--contracts-output Output path for generated contracts. Enabling this automatically enables generating multiple files
--no-auto-generated-header Don't add header to output file
--no-accept-headers Don't add header to output file
--interface-only Don't generate contract types
--contract-only Don't generate clients
--use-api-response Return Task> instead of Task
--use-observable-response Return IObservable instead of Task
--internal Set the accessibility of the generated types to 'internal'
--cancellation-tokens Use cancellation tokens
--no-operation-headers Don't generate operation headers
--no-logging Don't log errors or collect telemetry
--additional-namespace Add additional namespace to generated types
--exclude-namespace Exclude namespace on generated types
--use-iso-date-format Explicitly format date query string parameters in ISO 8601 standard date format using delimiters (2023-06-15)
--multiple-interfaces Generate a Refit interface for each endpoint. May be one of ByEndpoint, ByTag
--multiple-files Generate multiple files instead of a single large file.
The output files can be the following:
- RefitInterfaces.cs
- DependencyInjection.cs
- Contracts.cs
--match-path Only include Paths that match the provided regular expression. May be set multiple times
--tag Only include Endpoints that contain this tag. May be set multiple times and result in OR'ed evaluation
--skip-validation Skip validation of the OpenAPI specification
--no-deprecated-operations Don't generate deprecated operations
--operation-name-template Generate operation names using pattern. When using --multiple-interfaces ByEndpoint, this is name of the Execute() method in the interface
--optional-nullable-parameters Generate nullable parameters as optional parameters
--trim-unused-schema Removes unreferenced components schema to keep the generated output to a minimum
--keep-schema Force to keep matching schema, uses regular expressions. Use together with "--trim-unused-schema". Can be set multiple times
--no-banner Don't show donation banner
--skip-default-additional-properties Set to true to skip default additional properties
--operation-name-generator Default The NSwag IOperationNameGenerator implementation to use.
May be one of:
- Default
- MultipleClientsFromOperationId
- MultipleClientsFromPathSegments
- MultipleClientsFromFirstTagAndOperationId
- MultipleClientsFromFirstTagAndOperationName
- MultipleClientsFromFirstTagAndPathSegments
- SingleClientFromOperationId
- SingleClientFromPathSegments
See https://refitter.github.io/api/Refitter.Core.OperationNameGeneratorTypes.html for more information
--immutable-records Generate contracts as immutable records instead of classes
--use-apizr Use Apizr by:
- Adding a final IApizrRequestOptions options parameter to all generated methods
- Providing cancellation tokens by Apizr request options instead of a dedicated parameter
- Using method overloads instead of optional parameters
See https://refitter.github.io for more information and https://www.apizr.net to get started with Apizr
--use-dynamic-querystring-parameters Enable wrapping multiple query parameters into a single complex one. Default is no wrapping.
See https://github.com/reactiveui/refit?tab=readme-ov-file#dynamic-querystring-parameters for more information
--use-polymorphic-serialization Use System.Text.Json polymorphic serialization
```
To generate code from an OpenAPI specifications file, run the following:
```shell
$ refitter [path to OpenAPI spec file] --namespace "[Your.Namespace.Of.Choice.GeneratedCode]"
```
This will generate a file called `Output.cs` which contains the Refit interface and contract classes generated using [NSwag](https://github.com/RicoSuter/NSwag)
## Source Generator
Refitter is available as a C# Source Generator that uses the [Refitter.Core](https://github.com/christianhelle/refitter/tree/main/src/Refitter.Core) library for generating a REST API Client using the [Refit](https://github.com/reactiveui/refit) library. Refitter can generate the Refit interface from OpenAPI specifications. Refitter could format the generated Refit interface to be managed by [Apizr](https://www.apizr.net) and generate some registration helpers too.
The Refitter source generator is a bit untraditional in a sense that it creates a folder called `Generated` in the same location as the `.refitter` file and generates files to disk under the `Generated` folder (can be changed with `--outputFolder`). The source generator output should be included in the project and committed to source control. This is done because there is no other way to trigger the Refit source generator to pickup the Refitter generated code
***(Translation: I couldn't for the life of me figure how to get that to work, sorry)***
### Installation
The source generator is distributed as a NuGet package and should be installed to the project that will contain the generated code
```shell
dotnet add package Refitter.SourceGenerator
```
### Usage
This source generator generates code based on any `.refitter` file included to the project as `AdditionalFiles`.
The generator can automatically detect all `.refitter` files inside the project that referenced the `Refitter.SourceGenerator` package and there is no need to include them manually as `AdditionalFiles`
### .Refitter File format
The following is an example `.refitter` file
```js
{
"openApiPath": "/path/to/your/openAPI", // Required
"namespace": "Org.System.Service.Api.GeneratedCode", // Optional. Default=GeneratedCode
"contractsNamespace": "Org.System.Service.Api.GeneratedCode.Contracts", // Optional. Default=GeneratedCode
"naming": {
"useOpenApiTitle": false, // Optional. Default=true
"interfaceName": "MyApiClient" // Optional. Default=ApiClient
},
"generateContracts": true, // Optional. Default=true
"generateClients": true, // Optional. Default=true
"generateXmlDocCodeComments": true, // Optional. Default=true
"generateStatusCodeComments": true, // Optional. Default=true
"addAutoGeneratedHeader": true, // Optional. Default=true
"addAcceptHeaders": true, // Optional. Default=true
"returnIApiResponse": false, // Optional. Default=false
"responseTypeOverride": { // Optional. Default={}
"File_Upload": "IApiResponse",
"File_Download": "System.Net.Http.HttpContent"
},
"generateOperationHeaders": true, // Optional. Default=true
"typeAccessibility": "Public", // Optional. Values=Public|Internal. Default=Public
"useCancellationTokens": false, // Optional. Default=false
"useIsoDateFormat": false, // Optional. Default=false
"multipleInterfaces": "ByEndpoint", // Optional. May be one of "ByEndpoint" or "ByTag"
"generateDeprecatedOperations": false, // Optional. Default=true
"operationNameTemplate": "{operationName}Async", // Optional. Must contain {operationName} when multipleInterfaces != ByEndpoint
"optionalParameters": false, // Optional. Default=false
"outputFolder": "../CustomOutput" // Optional. Default=./Generated
"outputFilename": "RefitInterface.cs", // Optional. Default=Output.cs for CLI tool
"contractsOutputFolder": "../Contracts", // Optional. Default=NULL
"generateMultipleFiles": false, // Optional. Default=false
"additionalNamespaces": [ // Optional
"Namespace1",
"Namespace2"
],
"includeTags": [ // Optional. OpenAPI Tag to include when generating code
"Pet",
"Store",
"User"
],
"includePathMatches": [ // Optional. Only include Paths that match the provided regular expression
"^/pet/.*",
"^/store/.*"
],
"trimUnusedSchema": false, // Optional. Default=false
"keepSchemaPatterns": [ // Optional. Force to keep matching schema, uses regular expressions. Use together with trimUnusedSchema=true
"^Model$",
"^Person.+"
],
"generateDefaultAdditionalProperties": true, // Optional. default=true
"operationNameGenerator": "Default", // Optional. May be one of Default, MultipleClientsFromOperationId, MultipleClientsFromPathSegments, MultipleClientsFromFirstTagAndOperationId, MultipleClientsFromFirstTagAndOperationName, MultipleClientsFromFirstTagAndPathSegments, SingleClientFromOperationId, SingleClientFromPathSegments
"immutableRecords": false,
"useDynamicQuerystringParameters": true, // Optional. Default=false
"usePolymorphicSerialization", false, // Optional. Default=false
"dependencyInjectionSettings": { // Optional
"baseUrl": "https://petstore3.swagger.io/api/v3", // Optional. Leave this blank to set the base address manually
"httpMessageHandlers": [ // Optional
"AuthorizationMessageHandler",
"TelemetryMessageHandler"
],
"usePolly": true, // DEPRECATED - Use "transientErrorHandler": "None|Polly|HttpResilience" instead
"transientErrorHandler": "HttpResilience", // Optional. Set this to configure transient error handling with a retry policy that uses a jittered backoff. May be one of None, Polly, HttpResilience
"maxRetryCount": 3, // Optional. Default=6
"firstBackoffRetryInSeconds": 0.5 // Optional. Default=1.0
},
"apizrSettings": { // Optional
"withRequestOptions": true, // Optional. Default=true
"withRegistrationHelper": true, // Optional. Default=false
"withCacheProvider": "InMemory", // Optional. Values=None|Akavache|MonkeyCache|InMemory|DistributedAsString|DistributedAsByteArray. Default=None
"withPriority": true, // Optional. Default=false
"withMediation": true, // Optional. Default=false
"withOptionalMediation": true, // Optional. Default=false
"withMappingProvider": "AutoMapper", // Optional. Values=None|AutoMapper|Mapster. Default=None
"withFileTransfer": true // Optional. Default=false
},
"codeGeneratorSettings": { // Optional. Default settings are the values set in this example
"requiredPropertiesMustBeDefined": true,
"generateDataAnnotations": true,
"anyType": "object",
"dateType": "System.DateTimeOffset",
"dateTimeType": "System.DateTimeOffset",
"timeType": "System.TimeSpan",
"timeSpanType": "System.TimeSpan",
"arrayType": "System.Collections.Generic.ICollection",
"dictionaryType": "System.Collections.Generic.IDictionary",
"arrayInstanceType": "System.Collections.ObjectModel.Collection",
"dictionaryInstanceType": "System.Collections.Generic.Dictionary",
"arrayBaseType": "System.Collections.ObjectModel.Collection",
"dictionaryBaseType": "System.Collections.Generic.Dictionary",
"propertySetterAccessModifier": "",
"generateImmutableArrayProperties": false,
"generateImmutableDictionaryProperties": false,
"handleReferences": false,
"jsonSerializerSettingsTransformationMethod": null,
"generateJsonMethods": false,
"enforceFlagEnums": false,
"inlineNamedDictionaries": false,
"inlineNamedTuples": true,
"inlineNamedArrays": false,
"generateOptionalPropertiesAsNullable": false,
"generateNullableReferenceTypes": false,
"generateNativeRecords": false,
"generateDefaultValues": true,
"inlineNamedAny": false,
"excludedTypeNames": [
"ExcludedTypeFoo",
"ExcludedTypeBar"
]
}
}
```
- `openApiPath` - points to the OpenAPI Specifications file. This can be the path to a file stored on disk, relative to the `.refitter` file. This can also be a URL to a remote file that will be downloaded over HTTP/HTTPS
- `namespace` - the namespace used in the generated code. If not specified, this defaults to `GeneratedCode`
- `naming.useOpenApiTitle` - a boolean indicating whether the OpenApi title should be used. Default is `true`
- `naming.interfaceName` - the name of the generated interface. The generated code will automatically prefix this with `I` so if this set to `MyApiClient` then the generated interface is called `IMyApiClient`. Default is `ApiClient`
- `generateContracts` - a boolean indicating whether contracts should be generated. A use case for this is several API clients use the same contracts. Default is `true`
- `generateClients`: - a boolean indicating whether clients should be generated. A use case for this is to seperate clients and contracts in two generation
- `generateXmlDocCodeComments` - a boolean indicating whether XML doc comments should be generated. Default is `true`
- `generateStatusCodeComments` - a boolean indicating whether the XML docs for `ApiException` and `IApiResponse` contain detailed descriptions for every documented status code. Default is `true`
- `addAutoGeneratedHeader` - a boolean indicating whether XML doc comments should be generated. Default is `true`
- `addAcceptHeaders` - a boolean indicating whether to add accept headers [Headers("Accept: application/json")]. Default is `true`
- `returnIApiResponse` - a boolean indicating whether to return `IApiResponse` objects. Default is `false`
- `responseTypeOverride` - a dictionary with operation ids (as specified in the OpenAPI document) and a particular return type to use. The types are wrapped in a task, but otherwise unmodified (so make sure to specify or import their namespaces). Default is `{}`
- `generateOperationHeaders` - a boolean indicating whether to use operation headers in the generated methods. Default is `true`
- `typeAccessibility` - the generated type accessibility. Possible values are `Public` and `Internal`. Default is `Public`
- `useCancellationTokens` - Use cancellation tokens in the generated methods. Default is `false`
- `useIsoDateFormat` - Set to `true` to explicitly format date query string parameters in ISO 8601 standard date format using delimiters (for example: 2023-06-15). Default is `false`
- `multipleInterfaces` - Set to `ByEndpoint` to generate an interface for each endpoint, or `ByTag` to group Endpoints by their Tag (like SwaggerUI groups them).
- `outputFolder` - a string describing a relative path to a desired output folder. Default is `./Generated`
- `outputFilename` - Output filename. Default is `Output.cs` when used from the CLI tool, otherwise its the .refitter filename. So `Petstore.refitter` becomes `Petstore.cs`.
- `additionalNamespaces` - A collection of additional namespaces to include in the generated file. A use case for this is when you want to reuse contracts from a different namespace than the generated code. Default is empty
- `includeTags` - A collection of tags to use a filter for including endpoints that contain this tag.
- `includePathMatches` - A collection of regular expressions used to filter paths.
- `generateDeprecatedOperations` - a boolean indicating whether deprecated operations should be generated or skipped. Default is `true`
- `operationNameTemplate` - Generate operation names using pattern. This must contain the string {operationName}. An example usage of this could be `{operationName}Async` to suffix all method names with Async
- `optionalParameters` - Generate non-required parameters as nullable optional parameters
- `trimUnusedSchema` - Removes unreferenced components schema to keep the generated output to a minimum
- `keepSchemaPatterns`: A collection of regular expressions to force to keep matching schema. This is used together with `trimUnusedSchema`
- `generateDefaultAdditionalProperties`: Set to `false` to skip default additional properties. Default is `true`
- `operationNameGenerator`: The NSwag `IOperationNameGenerator` implementation to use. See https://refitter.github.io/api/Refitter.Core.OperationNameGeneratorTypes.html
- `immutableRecords`: Set to `true` to generate contracts as immutable records instead of classes. Default is `false`
- `useDynamicQuerystringParameters`: Set to `true` to wrap multiple query parameters into a single complex one. Default is `false` (no wrapping). See https://github.com/reactiveui/refit?tab=readme-ov-file#dynamic-querystring-parameters for more information.
- `dependencyInjectionSettings` - Setting this will generated extension methods to `IServiceCollection` for configuring Refit clients
- `baseUrl` - Used as the HttpClient base address. Leave this blank to manually set the base URL
- `httpMessageHandlers` - A collection of `HttpMessageHandler` that is added to the HttpClient pipeline
- `usePolly` - (DEPRECATED) Set this to true to configure the HttpClient to use Polly using a retry policy with a jittered backoff
- `transientErrorHandler`: Set this to configure transient error handling with a retry policy that uses a jittered backoff. See https://refitter.github.io/api/Refitter.Core.TransientErrorHandler.html
- `firstBackoffRetryInSeconds` - This is the duration of the initial retry backoff. Default is 1 second
- `apizrSettings` - Setting this will format Refit interface to be managed by Apizr. See https://www.apizr.net for more information
- `withRequestOptions` - Tells if the Refit interface methods should have a final IApizrRequestOptions options parameter
- `withRegistrationHelper` - Tells if Refitter should generate Apizr registration helpers (extended with dependencyInjectionSettings set, otherwise static)
- `withCacheProvider` - Set the cache provider to be used
- `withPriority` - Tells if Apizr should handle request priority
- `withMediation` - Tells if Apizr should handle request mediation (extended only)
- `withOptionalMediation` - Tells if Apizr should handle optional request mediation (extended only)
- `withMappingProvider` - Set the mapping provider to be used
- `withFileTransfer` - Tells if Apizr should handle file transfer
- `codeGeneratorSettings` - Setting this allows customization of the NSwag generated types and contracts
- `requiredPropertiesMustBeDefined` - Default is true,
- `generateDataAnnotations` - Default is true,
- `anyType` - Default is `object`,
- `dateType` - Default is `System.DateTimeOffset`,
- `dateTimeType` - Default is `System.DateTimeOffset`,
- `timeType` - Default is `System.TimeSpan`,
- `timeSpanType` - Default is `System.TimeSpan`,
- `arrayType` - Default is `System.Collections.Generic.ICollection`,
- `dictionaryType` - Default is `System.Collections.Generic.IDictionary`,
- `arrayInstanceType` - Default is `System.Collections.ObjectModel.Collection`,
- `dictionaryInstanceType` - Default is `System.Collections.Generic.Dictionary`,
- `arrayBaseType` - Default is `System.Collections.ObjectModel.Collection`,
- `dictionaryBaseType` - Default is `System.Collections.Generic.Dictionary`,
- `propertySetterAccessModifier` - Default is ``,
- `generateImmutableArrayProperties` - Default is false,
- `generateImmutableDictionaryProperties` - Default is false,
- `handleReferences` - Default is false,
- `jsonSerializerSettingsTransformationMethod` - Default is null,
- `generateJsonMethods` - Default is false,
- `enforceFlagEnums` - Default is false,
- `inlineNamedDictionaries` - Default is false,
- `inlineNamedTuples` - Default is true,
- `inlineNamedArrays` - Default is false,
- `generateOptionalPropertiesAsNullable` - Default is false,
- `generateNullableReferenceTypes` - Default is false,
- `generateNativeRecords` - Default is false
- `generateDefaultValues` - Default is true
- `inlineNamedAny` - Default is false
- `excludedTypeNames` - Default is empty
# Using the generated code
Here's an example generated output from the [Swagger Petstore example](https://petstore3.swagger.io) using the default settings
**CLI Tool**
```bash
$ refitter ./openapi.json --namespace "Your.Namespace.Of.Choice.GeneratedCode"
```
**Source Generator ***.refitter*** file**
```json
{
"openApiPath": "./openapi.json",
"namespace": "Your.Namespace.Of.Choice.GeneratedCode"
}
```
**Output**
```cs
using Refit;
using System.Collections.Generic;
using System.Text.Json.Serialization;
using System.Threading.Tasks;
namespace Your.Namespace.Of.Choice.GeneratedCode
{
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface ISwaggerPetstore
{
/// Update an existing pet
/// Update an existing pet by Id
/// Update an existent pet in the store
/// Successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid ID supplied
///
///
/// 404
/// Pet not found
///
///
/// 405
/// Validation exception
///
///
///
[Headers("Accept: application/xml, application/json")]
[Put("/pet")]
Task UpdatePet([Body] Pet body);
/// Add a new pet to the store
/// Add a new pet to the store
/// Create a new pet in the store
/// Successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 405
/// Invalid input
///
///
///
[Headers("Accept: application/xml, application/json")]
[Post("/pet")]
Task AddPet([Body] Pet body);
/// Finds Pets by status
/// Multiple status values can be provided with comma separated strings
/// Status values that need to be considered for filter
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid status value
///
///
///
[Headers("Accept: application/json")]
[Get("/pet/findByStatus")]
Task> FindPetsByStatus([Query] Status? status);
/// Finds Pets by tags
/// Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing.
/// Tags to filter by
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid tag value
///
///
///
[Headers("Accept: application/json")]
[Get("/pet/findByTags")]
Task> FindPetsByTags([Query(CollectionFormat.Multi)] IEnumerable tags);
/// Find pet by ID
/// Returns a single pet
/// ID of pet to return
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid ID supplied
///
///
/// 404
/// Pet not found
///
///
///
[Headers("Accept: application/xml, application/json")]
[Get("/pet/{petId}")]
Task GetPetById(long petId);
/// Updates a pet in the store with form data
/// ID of pet that needs to be updated
/// Name of pet that needs to be updated
/// Status of pet that needs to be updated
/// A that completes when the request is finished.
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 405
/// Invalid input
///
///
///
[Post("/pet/{petId}")]
Task UpdatePetWithForm(long petId, [Query] string name, [Query] string status);
/// Deletes a pet
/// Pet id to delete
/// A that completes when the request is finished.
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid pet value
///
///
///
[Delete("/pet/{petId}")]
Task DeletePet(long petId, [Header("api_key")] string api_key);
/// uploads an image
/// ID of pet to update
/// Additional Metadata
///
/// A representing the instance containing the result:
///
///
/// Status
/// Description
///
///
/// 200
/// successful operation
///
///
///
[Headers("Accept: application/json")]
[Post("/pet/{petId}/uploadImage")]
Task UploadFile(long petId, [Query] string additionalMetadata, StreamPart body);
/// Returns pet inventories by status
/// Returns a map of status codes to quantities
/// successful operation
/// Thrown when the request returns a non-success status code.
[Headers("Accept: application/json")]
[Get("/store/inventory")]
Task> GetInventory();
/// Place an order for a pet
/// Place a new order in the store
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 405
/// Invalid input
///
///
///
[Headers("Accept: application/json")]
[Post("/store/order")]
Task PlaceOrder([Body] Order body);
/// Find purchase order by ID
/// For valid response try integer IDs with value <= 5 or > 10. Other values will generated exceptions
/// ID of order that needs to be fetched
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid ID supplied
///
///
/// 404
/// Order not found
///
///
///
[Headers("Accept: application/json")]
[Get("/store/order/{orderId}")]
Task GetOrderById(long orderId);
/// Delete purchase order by ID
/// For valid response try integer IDs with value < 1000. Anything above 1000 or nonintegers will generate API errors
/// ID of the order that needs to be deleted
/// A that completes when the request is finished.
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid ID supplied
///
///
/// 404
/// Order not found
///
///
///
[Delete("/store/order/{orderId}")]
Task DeleteOrder(long orderId);
/// Create user
/// This can only be done by the logged in user.
/// Created user object
/// successful operation
/// Thrown when the request returns a non-success status code.
[Headers("Accept: application/json, application/xml")]
[Post("/user")]
Task CreateUser([Body] User body);
/// Creates list of users with given input array
/// Creates list of users with given input array
/// Successful operation
/// Thrown when the request returns a non-success status code.
[Headers("Accept: application/xml, application/json")]
[Post("/user/createWithList")]
Task CreateUsersWithListInput([Body] IEnumerable body);
/// Logs user into the system
/// The user name for login
/// The password for login in clear text
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid username/password supplied
///
///
///
[Headers("Accept: application/json")]
[Get("/user/login")]
Task LoginUser([Query] string username, [Query] string password);
/// Logs out current logged in user session
/// A that completes when the request is finished.
/// Thrown when the request returns a non-success status code.
[Get("/user/logout")]
Task LogoutUser();
/// Get user by user name
/// The name that needs to be fetched. Use user1 for testing.
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid username supplied
///
///
/// 404
/// User not found
///
///
///
[Headers("Accept: application/json")]
[Get("/user/{username}")]
Task GetUserByName(string username);
/// Update user
/// This can only be done by the logged in user.
/// name that need to be deleted
/// Update an existent user in the store
/// A that completes when the request is finished.
/// Thrown when the request returns a non-success status code.
[Put("/user/{username}")]
Task UpdateUser(string username, [Body] User body);
/// Delete user
/// This can only be done by the logged in user.
/// The name that needs to be deleted
/// A that completes when the request is finished.
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid username supplied
///
///
/// 404
/// User not found
///
///
///
[Delete("/user/{username}")]
Task DeleteUser(string username);
}
}
```
Here's an example generated output from the [Swagger Petstore example](https://petstore3.swagger.io) configured to wrap the return type in `IApiResponse`
**CLI Tool**
```bash
$ refitter ./openapi.json --namespace "Your.Namespace.Of.Choice.GeneratedCode" --use-api-response
```
**Source Generator ***.refitter*** file**
```json
{
"openApiPath": "./openapi.json",
"namespace": "Your.Namespace.Of.Choice.GeneratedCode",
"returnIApiResponse": true
}
```
**Output**
```cs
using Refit;
using System.Collections.Generic;
using System.Text.Json.Serialization;
using System.Threading.Tasks;
namespace Your.Namespace.Of.Choice.GeneratedCode
{
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface ISwaggerPetstore
{
/// Update an existing pet
/// Update an existing pet by Id
/// Update an existent pet in the store
///
/// A representing the instance containing the result:
///
///
/// Status
/// Description
///
///
/// 200
/// Successful operation
///
///
/// 400
/// Invalid ID supplied
///
///
/// 404
/// Pet not found
///
///
/// 405
/// Validation exception
///
///
///
[Headers("Accept: application/xml, application/json")]
[Put("/pet")]
Task> UpdatePet([Body] Pet body);
/// Add a new pet to the store
/// Add a new pet to the store
/// Create a new pet in the store
///
/// A representing the instance containing the result:
///
///
/// Status
/// Description
///
///
/// 200
/// Successful operation
///
///
/// 405
/// Invalid input
///
///
///
[Headers("Accept: application/xml, application/json")]
[Post("/pet")]
Task> AddPet([Body] Pet body);
/// Finds Pets by status
/// Multiple status values can be provided with comma separated strings
/// Status values that need to be considered for filter
///
/// A representing the instance containing the result:
///
///
/// Status
/// Description
///
///
/// 200
/// successful operation
///
///
/// 400
/// Invalid status value
///
///
///
[Headers("Accept: application/json")]
[Get("/pet/findByStatus")]
Task>> FindPetsByStatus([Query] Status? status);
/// Finds Pets by tags
/// Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing.
/// Tags to filter by
///
/// A representing the instance containing the result:
///
///
/// Status
/// Description
///
///
/// 200
/// successful operation
///
///
/// 400
/// Invalid tag value
///
///
///
[Headers("Accept: application/json")]
[Get("/pet/findByTags")]
Task>> FindPetsByTags([Query(CollectionFormat.Multi)] IEnumerable tags);
/// Find pet by ID
/// Returns a single pet
/// ID of pet to return
///
/// A representing the instance containing the result:
///
///
/// Status
/// Description
///
///
/// 200
/// successful operation
///
///
/// 400
/// Invalid ID supplied
///
///
/// 404
/// Pet not found
///
///
///
[Headers("Accept: application/xml, application/json")]
[Get("/pet/{petId}")]
Task> GetPetById(long petId);
/// Updates a pet in the store with form data
/// ID of pet that needs to be updated
/// Name of pet that needs to be updated
/// Status of pet that needs to be updated
///
/// A representing the instance containing the result:
///
///
/// Status
/// Description
///
///
/// 405
/// Invalid input
///
///
///
[Post("/pet/{petId}")]
Task UpdatePetWithForm(long petId, [Query] string name, [Query] string status);
/// Deletes a pet
/// Pet id to delete
///
/// A representing the instance containing the result:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid pet value
///
///
///
[Delete("/pet/{petId}")]
Task DeletePet(long petId, [Header("api_key")] string api_key);
/// uploads an image
/// ID of pet to update
/// Additional Metadata
///
/// A representing the instance containing the result:
///
///
/// Status
/// Description
///
///
/// 200
/// successful operation
///
///
///
[Headers("Accept: application/json")]
[Post("/pet/{petId}/uploadImage")]
Task> UploadFile(long petId, [Query] string additionalMetadata, StreamPart body);
/// Returns pet inventories by status
/// Returns a map of status codes to quantities
/// successful operation
/// Thrown when the request returns a non-success status code.
[Headers("Accept: application/json")]
[Get("/store/inventory")]
Task>> GetInventory();
/// Place an order for a pet
/// Place a new order in the store
///
/// A representing the instance containing the result:
///
///
/// Status
/// Description
///
///
/// 200
/// successful operation
///
///
/// 405
/// Invalid input
///
///
///
[Headers("Accept: application/json")]
[Post("/store/order")]
Task> PlaceOrder([Body] Order body);
/// Find purchase order by ID
/// For valid response try integer IDs with value <= 5 or > 10. Other values will generated exceptions
/// ID of order that needs to be fetched
///
/// A representing the instance containing the result:
///
///
/// Status
/// Description
///
///
/// 200
/// successful operation
///
///
/// 400
/// Invalid ID supplied
///
///
/// 404
/// Order not found
///
///
///
[Headers("Accept: application/json")]
[Get("/store/order/{orderId}")]
Task> GetOrderById(long orderId);
/// Delete purchase order by ID
/// For valid response try integer IDs with value < 1000. Anything above 1000 or nonintegers will generate API errors
/// ID of the order that needs to be deleted
///
/// A representing the instance containing the result:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid ID supplied
///
///
/// 404
/// Order not found
///
///
///
[Delete("/store/order/{orderId}")]
Task DeleteOrder(long orderId);
/// Create user
/// This can only be done by the logged in user.
/// Created user object
/// A representing the instance containing the result.
[Headers("Accept: application/json, application/xml")]
[Post("/user")]
Task CreateUser([Body] User body);
/// Creates list of users with given input array
/// Creates list of users with given input array
///
/// A representing the instance containing the result:
///
///
/// Status
/// Description
///
///
/// 200
/// Successful operation
///
///
///
[Headers("Accept: application/xml, application/json")]
[Post("/user/createWithList")]
Task> CreateUsersWithListInput([Body] IEnumerable body);
/// Logs user into the system
/// The user name for login
/// The password for login in clear text
///
/// A representing the instance containing the result:
///
///
/// Status
/// Description
///
///
/// 200
/// successful operation
///
///
/// 400
/// Invalid username/password supplied
///
///
///
[Headers("Accept: application/json")]
[Get("/user/login")]
Task> LoginUser([Query] string username, [Query] string password);
/// Logs out current logged in user session
/// A representing the instance containing the result.
[Get("/user/logout")]
Task LogoutUser();
/// Get user by user name
/// The name that needs to be fetched. Use user1 for testing.
///
/// A representing the instance containing the result:
///
///
/// Status
/// Description
///
///
/// 200
/// successful operation
///
///
/// 400
/// Invalid username supplied
///
///
/// 404
/// User not found
///
///
///
[Headers("Accept: application/json")]
[Get("/user/{username}")]
Task> GetUserByName(string username);
/// Update user
/// This can only be done by the logged in user.
/// name that need to be deleted
/// Update an existent user in the store
/// A representing the instance containing the result.
[Put("/user/{username}")]
Task UpdateUser(string username, [Body] User body);
/// Delete user
/// This can only be done by the logged in user.
/// The name that needs to be deleted
///
/// A representing the instance containing the result:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid username supplied
///
///
/// 404
/// User not found
///
///
///
[Delete("/user/{username}")]
Task DeleteUser(string username);
}
}
```
Here's an example generated output from the [Swagger Petstore example](https://petstore3.swagger.io) configured to generate an interface for each endpoint
**CLI Tool**
```bash
$ refitter ./openapi.json --namespace "Your.Namespace.Of.Choice.GeneratedCode" --multiple-interfaces ByEndpoint
```
**Source Generator ***.refitter*** file**
```json
{
"openApiPath": "./openapi.json",
"namespace": "Your.Namespace.Of.Choice.GeneratedCode",
"multipleInterfaces": "ByEndpoint"
}
```
**Output**
```cs
/// Update an existing pet
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface IUpdatePetEndpoint
{
/// Update an existing pet
/// Update an existing pet by Id
/// Update an existent pet in the store
/// Successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid ID supplied
///
///
/// 404
/// Pet not found
///
///
/// 405
/// Validation exception
///
///
///
[Headers("Accept: application/xml, application/json")]
[Put("/pet")]
Task Execute([Body] Pet body);
}
/// Add a new pet to the store
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface IAddPetEndpoint
{
/// Add a new pet to the store
/// Add a new pet to the store
/// Create a new pet in the store
/// Successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 405
/// Invalid input
///
///
///
[Headers("Accept: application/xml, application/json")]
[Post("/pet")]
Task Execute([Body] Pet body);
}
/// Finds Pets by status
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface IFindPetsByStatusEndpoint
{
/// Finds Pets by status
/// Multiple status values can be provided with comma separated strings
/// Status values that need to be considered for filter
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid status value
///
///
///
[Headers("Accept: application/json")]
[Get("/pet/findByStatus")]
Task> Execute([Query] Status? status);
}
/// Finds Pets by tags
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface IFindPetsByTagsEndpoint
{
/// Finds Pets by tags
/// Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing.
/// Tags to filter by
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid tag value
///
///
///
[Headers("Accept: application/json")]
[Get("/pet/findByTags")]
Task> Execute([Query(CollectionFormat.Multi)] IEnumerable tags);
}
/// Find pet by ID
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface IGetPetByIdEndpoint
{
/// Find pet by ID
/// Returns a single pet
/// ID of pet to return
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid ID supplied
///
///
/// 404
/// Pet not found
///
///
///
[Headers("Accept: application/xml, application/json")]
[Get("/pet/{petId}")]
Task Execute(long petId);
}
/// Updates a pet in the store with form data
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface IUpdatePetWithFormEndpoint
{
/// Updates a pet in the store with form data
/// ID of pet that needs to be updated
/// Name of pet that needs to be updated
/// Status of pet that needs to be updated
/// A that completes when the request is finished.
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 405
/// Invalid input
///
///
///
[Post("/pet/{petId}")]
Task Execute(long petId, [Query] string name, [Query] string status);
}
/// Deletes a pet
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface IDeletePetEndpoint
{
/// Deletes a pet
/// Pet id to delete
/// A that completes when the request is finished.
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid pet value
///
///
///
[Delete("/pet/{petId}")]
Task Execute(long petId, [Header("api_key")] string api_key);
}
/// uploads an image
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface IUploadFileEndpoint
{
/// uploads an image
/// ID of pet to update
/// Additional Metadata
///
/// A representing the instance containing the result:
///
///
/// Status
/// Description
///
///
/// 200
/// successful operation
///
///
///
[Headers("Accept: application/json")]
[Post("/pet/{petId}/uploadImage")]
Task Execute(long petId, [Query] string additionalMetadata, StreamPart body);
}
/// Returns pet inventories by status
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface IGetInventoryEndpoint
{
/// Returns pet inventories by status
/// Returns a map of status codes to quantities
/// successful operation
/// Thrown when the request returns a non-success status code.
[Headers("Accept: application/json")]
[Get("/store/inventory")]
Task> Execute();
}
/// Place an order for a pet
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface IPlaceOrderEndpoint
{
/// Place an order for a pet
/// Place a new order in the store
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 405
/// Invalid input
///
///
///
[Headers("Accept: application/json")]
[Post("/store/order")]
Task Execute([Body] Order body);
}
/// Find purchase order by ID
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface IGetOrderByIdEndpoint
{
/// Find purchase order by ID
/// For valid response try integer IDs with value <= 5 or > 10. Other values will generated exceptions
/// ID of order that needs to be fetched
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid ID supplied
///
///
/// 404
/// Order not found
///
///
///
[Headers("Accept: application/json")]
[Get("/store/order/{orderId}")]
Task Execute(long orderId);
}
/// Delete purchase order by ID
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface IDeleteOrderEndpoint
{
/// Delete purchase order by ID
/// For valid response try integer IDs with value < 1000. Anything above 1000 or nonintegers will generate API errors
/// ID of the order that needs to be deleted
/// A that completes when the request is finished.
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid ID supplied
///
///
/// 404
/// Order not found
///
///
///
[Delete("/store/order/{orderId}")]
Task Execute(long orderId);
}
/// Create user
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface ICreateUserEndpoint
{
/// Create user
/// This can only be done by the logged in user.
/// Created user object
/// successful operation
/// Thrown when the request returns a non-success status code.
[Headers("Accept: application/json, application/xml")]
[Post("/user")]
Task Execute([Body] User body);
}
/// Creates list of users with given input array
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface ICreateUsersWithListInputEndpoint
{
/// Creates list of users with given input array
/// Creates list of users with given input array
/// Successful operation
/// Thrown when the request returns a non-success status code.
[Headers("Accept: application/xml, application/json")]
[Post("/user/createWithList")]
Task Execute([Body] IEnumerable body);
}
/// Logs user into the system
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface ILoginUserEndpoint
{
/// Logs user into the system
/// The user name for login
/// The password for login in clear text
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid username/password supplied
///
///
///
[Headers("Accept: application/json")]
[Get("/user/login")]
Task Execute([Query] string username, [Query] string password);
}
/// Logs out current logged in user session
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface ILogoutUserEndpoint
{
/// Logs out current logged in user session
/// A that completes when the request is finished.
/// Thrown when the request returns a non-success status code.
[Get("/user/logout")]
Task Execute();
}
/// Get user by user name
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface IGetUserByNameEndpoint
{
/// Get user by user name
/// The name that needs to be fetched. Use user1 for testing.
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid username supplied
///
///
/// 404
/// User not found
///
///
///
[Headers("Accept: application/json")]
[Get("/user/{username}")]
Task Execute(string username);
}
/// Update user
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface IUpdateUserEndpoint
{
/// Update user
/// This can only be done by the logged in user.
/// name that need to be deleted
/// Update an existent user in the store
/// A that completes when the request is finished.
/// Thrown when the request returns a non-success status code.
[Put("/user/{username}")]
Task Execute(string username, [Body] User body);
}
/// Delete user
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface IDeleteUserEndpoint
{
/// Delete user
/// This can only be done by the logged in user.
/// The name that needs to be deleted
/// A that completes when the request is finished.
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid username supplied
///
///
/// 404
/// User not found
///
///
///
[Delete("/user/{username}")]
Task Execute(string username);
}
```
Here's an example generated output from the [Swagger Petstore example](https://petstore3.swagger.io) configured to generate an interface with dynamic querystring paremeters
**CLI Tool**
```bash
$ refitter ./openapi.json --namespace "Your.Namespace.Of.Choice.GeneratedCode" --use-dynamic-querystring-parameters
```
**Output**
```cs
[System.CodeDom.Compiler.GeneratedCode("Refitter", "1.0.0.0")]
public partial interface ISwaggerPetstoreOpenAPI30
{
/// Update an existing pet
/// Update an existing pet by Id
/// Update an existent pet in the store
/// Successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid ID supplied
///
///
/// 404
/// Pet not found
///
///
/// 405
/// Validation exception
///
///
///
[Headers("Accept: application/xml, application/json")]
[Put("/pet")]
Task UpdatePet([Body] Pet body);
/// Add a new pet to the store
/// Add a new pet to the store
/// Create a new pet in the store
/// Successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 405
/// Invalid input
///
///
///
[Headers("Accept: application/xml, application/json")]
[Post("/pet")]
Task AddPet([Body] Pet body);
/// Finds Pets by status
/// Multiple status values can be provided with comma separated strings
/// Status values that need to be considered for filter
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid status value
///
///
///
[Headers("Accept: application/xml, application/json")]
[Get("/pet/findByStatus")]
Task> FindPetsByStatus([Query] Status? status);
/// Finds Pets by tags
/// Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing.
/// Tags to filter by
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid tag value
///
///
///
[Headers("Accept: application/xml, application/json")]
[Get("/pet/findByTags")]
Task> FindPetsByTags([Query(CollectionFormat.Multi)] IEnumerable tags);
/// Find pet by ID
/// Returns a single pet
/// ID of pet to return
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid ID supplied
///
///
/// 404
/// Pet not found
///
///
///
[Headers("Accept: application/xml, application/json")]
[Get("/pet/{petId}")]
Task GetPetById(long petId);
/// Updates a pet in the store with form data
/// ID of pet that needs to be updated
/// The dynamic querystring parameter wrapping all others.
/// A that completes when the request is finished.
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 405
/// Invalid input
///
///
///
[Post("/pet/{petId}")]
Task UpdatePetWithForm(long petId, [Query] UpdatePetWithFormQueryParams queryParams);
/// Deletes a pet
/// Pet id to delete
/// A that completes when the request is finished.
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid pet value
///
///
///
[Delete("/pet/{petId}")]
Task DeletePet(long petId, [Header("api_key")] string api_key);
/// uploads an image
/// ID of pet to update
/// Additional Metadata
///
/// A representing the instance containing the result:
///
///
/// Status
/// Description
///
///
/// 200
/// successful operation
///
///
///
[Headers("Accept: application/json")]
[Post("/pet/{petId}/uploadImage")]
Task UploadFile(long petId, [Query] string additionalMetadata, StreamPart body);
/// Returns pet inventories by status
/// Returns a map of status codes to quantities
/// successful operation
/// Thrown when the request returns a non-success status code.
[Headers("Accept: application/json")]
[Get("/store/inventory")]
Task> GetInventory();
/// Place an order for a pet
/// Place a new order in the store
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 405
/// Invalid input
///
///
///
[Headers("Accept: application/json")]
[Post("/store/order")]
Task PlaceOrder([Body] Order body);
/// Find purchase order by ID
/// For valid response try integer IDs with value <= 5 or > 10. Other values will generate exceptions.
/// ID of order that needs to be fetched
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid ID supplied
///
///
/// 404
/// Order not found
///
///
///
[Headers("Accept: application/xml, application/json")]
[Get("/store/order/{orderId}")]
Task GetOrderById(long orderId);
/// Delete purchase order by ID
/// For valid response try integer IDs with value < 1000. Anything above 1000 or nonintegers will generate API errors
/// ID of the order that needs to be deleted
/// A that completes when the request is finished.
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid ID supplied
///
///
/// 404
/// Order not found
///
///
///
[Delete("/store/order/{orderId}")]
Task DeleteOrder(long orderId);
/// Create user
/// This can only be done by the logged in user.
/// Created user object
/// successful operation
/// Thrown when the request returns a non-success status code.
[Headers("Accept: application/json, application/xml")]
[Post("/user")]
Task CreateUser([Body] User body);
/// Creates list of users with given input array
/// Creates list of users with given input array
/// Successful operation
/// Thrown when the request returns a non-success status code.
[Headers("Accept: application/xml, application/json")]
[Post("/user/createWithList")]
Task CreateUsersWithListInput([Body] IEnumerable body);
/// Logs user into the system
/// The dynamic querystring parameter wrapping all others.
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid username/password supplied
///
///
///
[Headers("Accept: application/xml, application/json")]
[Get("/user/login")]
Task LoginUser([Query] LoginUserQueryParams queryParams);
/// Logs out current logged in user session
/// A that completes when the request is finished.
/// Thrown when the request returns a non-success status code.
[Get("/user/logout")]
Task LogoutUser();
/// Get user by user name
/// The name that needs to be fetched. Use user1 for testing.
/// successful operation
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid username supplied
///
///
/// 404
/// User not found
///
///
///
[Headers("Accept: application/xml, application/json")]
[Get("/user/{username}")]
Task GetUserByName(string username);
/// Update user
/// This can only be done by the logged in user.
/// name that needs to be updated
/// Update an existent user in the store
/// A that completes when the request is finished.
/// Thrown when the request returns a non-success status code.
[Put("/user/{username}")]
Task UpdateUser(string username, [Body] User body);
/// Delete user
/// This can only be done by the logged in user.
/// The name that needs to be deleted
/// A that completes when the request is finished.
///
/// Thrown when the request returns a non-success status code:
///
///
/// Status
/// Description
///
///
/// 400
/// Invalid username supplied
///
///
/// 404
/// User not found
///
///
///
[Delete("/user/{username}")]
Task DeleteUser(string username);
}
public class UpdatePetWithFormQueryParams
{
///
/// Name of pet that needs to be updated
///
[Query]
public string Name { get; set; }
///
/// Status of pet that needs to be updated
///
[Query]
public string Status { get; set; }
}
public class LoginUserQueryParams
{
///
/// The user name for login
///
[Query]
public string Username { get; set; }
///
/// The password for login in clear text
///
[Query]
public string Password { get; set; }
}
```
## RestService
Here's an example usage of the generated code above
```cs
using Refit;
using System;
using System.Threading.Tasks;
namespace Your.Namespace.Of.Choice.GeneratedCode;
internal class Program
{
private static async Task Main(string[] args)
{
var client = RestService.For("https://petstore3.swagger.io/api/v3");
var pet = await client.GetPetById(1);
Console.WriteLine("## Using Task as return type ##");
Console.WriteLine($"Name: {pet.Name}");
Console.WriteLine($"Category: {pet.Category.Name}");
Console.WriteLine($"Status: {pet.Status}");
Console.WriteLine();
var client2 = RestService.For("https://petstore3.swagger.io/api/v3");
var response = await client2.GetPetById(2);
Console.WriteLine("## Using Task> as return type ##");
Console.WriteLine($"HTTP Status Code: {response.StatusCode}");
Console.WriteLine($"Name: {response.Content.Name}");
Console.WriteLine($"Category: {response.Content.Category.Name}");
Console.WriteLine($"Status: {response.Content.Status}");
}
}
```
The `RestService` class generates an implementation of `ISwaggerPetstore` that uses `HttpClient` to make its calls.
The code above when run will output something like this:
```
## Using Task as return type ##
Name: Gatitotototo
Category: Chaucito
Status: Sold
## Using Task> as return type ##
HTTP Status Code: OK
Name: Gatitotototo
Category: Chaucito
Status: Sold
```
## ASP.NET Core and HttpClientFactory
Here's an example Minimal API with the [`Refit.HttpClientFactory`](https://www.nuget.org/packages/Refit.HttpClientFactory) library:
```cs
using Refit;
using Your.Namespace.Of.Choice.GeneratedCode;
var builder = WebApplication.CreateBuilder(args);
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();
builder.Services
.AddRefitClient()
.ConfigureHttpClient(c => c.BaseAddress = new Uri("https://petstore3.swagger.io/api/v3"));
var app = builder.Build();
app.MapGet(
"/pet/{id:long}",
async (ISwaggerPetstore petstore, long id) =>
{
try
{
return Results.Ok(await petstore.GetPetById(id));
}
catch (Refit.ApiException e)
{
return Results.StatusCode((int)e.StatusCode);
}
})
.WithName("GetPetById")
.WithOpenApi();
app.UseHttpsRedirection();
app.UseSwaggerUI();
app.UseSwagger();
app.Run();
```
.NET Core supports registering the generated `ISwaggerPetstore` interface via `HttpClientFactory`
The following request to the API above
```shell
$ curl -X 'GET' 'https://localhost:5001/pet/1' -H 'accept: application/json'
```
Returns a response that looks something like this:
```json
{
"id": 1,
"name": "Special_char_owner_!@#$^&()`.testing",
"photoUrls": [
"https://petstore3.swagger.io/resources/photos/623389095.jpg"
],
"tags": [],
"status": "Sold"
}
```
## Dependency Injection
Refitter supports generating bootstrapping code that allows the user to conveniently configure all generated Refit interfaces by calling a single extension method to `IServiceCollection`.
This is enabled through the `.refitter` settings file like this:
```json
{
"openApiPath": "../OpenAPI/v3.0/petstore.json",
"namespace": "Petstore",
"dependencyInjectionSettings": {
"baseUrl": "https://petstore3.swagger.io/api/v3",
"httpMessageHandlers": [ "TelemetryDelegatingHandler" ],
"transientErrorHandler": "Polly",
"maxRetryCount": 3,
"firstBackoffRetryInSeconds": 0.5
}
}
```
which will generate an extension method to `IServiceCollection` called `ConfigureRefitClients()`. The generated extension method depends on [`Refit.HttpClientFactory`](https://www.nuget.org/packages/Refit.HttpClientFactory) library and looks like this:
```cs
public static IServiceCollection ConfigureRefitClients(
this IServiceCollection services,
Action? builder = default,
RefitSettings? settings = default)
{
var clientBuilderISwaggerPetstore = services
.AddRefitClient(settings)
.ConfigureHttpClient(c => c.BaseAddress = new Uri("https://petstore3.swagger.io/api/v3"))
.AddHttpMessageHandler();
clientBuilderISwaggerPetstore
.AddPolicyHandler(
HttpPolicyExtensions
.HandleTransientHttpError()
.WaitAndRetryAsync(
Backoff.DecorrelatedJitterBackoffV2(
TimeSpan.FromSeconds(0.5),
3)));
builder?.Invoke(clientBuilderISwaggerPetstore);
return services;
}
```
This comes in handy especially when generating multiple interfaces, by tag or endpoint. For example, the following `.refitter` settings file
```json
{
"openApiPath": "../OpenAPI/v3.0/petstore.json",
"namespace": "Petstore",
"multipleInterfaces": "ByTag",
"dependencyInjectionSettings": {
"baseUrl": "https://petstore3.swagger.io/api/v3",
"httpMessageHandlers": [ "TelemetryDelegatingHandler" ],
"transientErrorHandler": "Polly",
"maxRetryCount": 3,
"firstBackoffRetryInSeconds": 0.5
}
}
```
Will generate a single `ConfigureRefitClients()` extension methods that may contain dependency injection configuration code for multiple interfaces like this
```csharp
public static IServiceCollection ConfigureRefitClients(
this IServiceCollection services,
Action? builder = default,
RefitSettings? settings = default)
{
var clientBuilderIPetApi = services
.AddRefitClient(settings)
.ConfigureHttpClient(c => c.BaseAddress = new Uri("https://petstore3.swagger.io/api/v3"))
.AddHttpMessageHandler();
clientBuilderIPetApi
.AddPolicyHandler(
HttpPolicyExtensions
.HandleTransientHttpError()
.WaitAndRetryAsync(
Backoff.DecorrelatedJitterBackoffV2(
TimeSpan.FromSeconds(0.5),
3)));
builder?.Invoke(clientBuilderIPetApi);
var clientBuilderIStoreApi = services
.AddRefitClient(settings)
.ConfigureHttpClient(c => c.BaseAddress = new Uri("https://petstore3.swagger.io/api/v3"))
.AddHttpMessageHandler();
clientBuilderIStoreApi
.AddPolicyHandler(
HttpPolicyExtensions
.HandleTransientHttpError()
.WaitAndRetryAsync(
Backoff.DecorrelatedJitterBackoffV2(
TimeSpan.FromSeconds(0.5),
3)));
builder?.Invoke(clientBuilderIStoreApi);
var clientBuilderIUserApi = services
.AddRefitClient(settings)
.ConfigureHttpClient(c => c.BaseAddress = new Uri("https://petstore3.swagger.io/api/v3"))
.AddHttpMessageHandler();
clientBuilderIUserApi
.AddPolicyHandler(
HttpPolicyExtensions
.HandleTransientHttpError()
.WaitAndRetryAsync(
Backoff.DecorrelatedJitterBackoffV2(
TimeSpan.FromSeconds(0.5),
3)));
builder?.Invoke(clientBuilderIUserApi);
return services;
}
```
Personally, they I use Refitter is to generate an interface per endpoint, so when generating code for a large and complex API, I might have several interfaces.
## Apizr
[Apizr](https://www.apizr.net) is a Refit client manager that provides a set of features to enhance requesting experience with resilience, caching, priority, mediation, mapping, logging, authentication, file transfer capabilities and many more...
### Generating the interfaces
Refitter supports generating Apizr formatted Refit interfaces that can be managed then by Apizr (v6+).
You can enable Apizr formatted Refit interface generation either:
- With the `--use-apizr` command line argument
- By setting the `apizrSettings` section in the `.refitter` settings file
Note that `--use-apizr` uses default Apizr settings with `withRequestOptions` set to `true` as recommended, while the `.refitter` settings file allows you to configure it deeper.
In both cases, it will format the generated Refit interfaces to be Apizr ready by:
- Adding a final IApizrRequestOptions options parameter to all generated methods (if `withRequestOptions` is set to `true`)
- Providing cancellation tokens by Apizr request options instead of a dedicated parameter (if `withRequestOptions` is set to `true`)
- Using method overloads instead of optional parameters (note that setting `useDynamicQuerystringParameters` to `true` improve overloading experience)
From here, you're definitly free to use the formatted interface with Apizr by registering, configuring and using it following the [Apizr documentation](https://www.apizr.net). But Refitter can go further by generating some helpers to make the configuration easier.
### Generating the helpers
Refitter supports generating Apizr (v6+) bootstrapping code that allows the user to conveniently configure all generated Apizr formatted Refit interfaces by calling a single method.
It could be either an extension method to `IServiceCollection` if DependencyInjectionSettings are set, or a static builder method if not.
### [Extended](#tab/tabid-extended)
To enable Apizr registration code generation for `IServiceCollection`, you need at least to set the `withRegistrationHelper` property to `true` and configure the `DependencyInjectionSettings` section in the `.refitter` settings file.
This is what the `.refitter` settings file may look like, depending on you configuration:
```json
{
"openApiPath": "../OpenAPI/v3.0/petstore.json",
"namespace": "Petstore",
"useDynamicQuerystringParameters": true,
"dependencyInjectionSettings": {
"baseUrl": "https://petstore3.swagger.io/api/v3",
"httpMessageHandlers": [ "MyDelegatingHandler" ],
"transientErrorHandler": "HttpResilience",
"maxRetryCount": 3,
"firstBackoffRetryInSeconds": 0.5
},
"apizrSettings": {
"withRequestOptions": true, // Recommended to include an Apizr request options parameter to Refit interface methods
"withRegistrationHelper": true, // Mandatory to actually generate the Apizr registration extended method
"withCacheProvider": "InMemory", // Optional, default is None
"withPriority": true, // Optional, default is false
"withMediation": true, // Optional, default is false
"withOptionalMediation": true, // Optional, default is false
"withMappingProvider": "AutoMapper", // Optional, default is None
"withFileTransfer": true // Optional, default is false
}
}
```
which will generate an extension method to `IServiceCollection` called `ConfigurePetstoreApiApizrManager()`. The generated extension method depends on [`Apizr.Extensions.Microsoft.DependencyInjection`](https://www.nuget.org/packages/Apizr.Extensions.Microsoft.DependencyInjection) library and looks like this:
```cs
public static IServiceCollection ConfigurePetstoreApiApizrManager(
this IServiceCollection services,
Action? optionsBuilder = null)
{
optionsBuilder ??= _ => { }; // Default empty options if null
optionsBuilder += options => options
.WithBaseAddress("https://petstore3.swagger.io/api/v3", ApizrDuplicateStrategy.Ignore)
.WithDelegatingHandler()
.ConfigureHttpClientBuilder(builder => builder
.AddStandardResilienceHandler(config =>
{
config.Retry = new HttpRetryStrategyOptions
{
UseJitter = true,
MaxRetryAttempts = 3,
Delay = TimeSpan.FromSeconds(0.5)
};
}))
.WithInMemoryCacheHandler()
.WithAutoMapperMappingHandler()
.WithPriority()
.WithOptionalMediation()
.WithFileTransferOptionalMediation();
return services.AddApizrManagerFor(optionsBuilder);
}
```
This comes in handy especially when generating multiple interfaces, by tag or endpoint. For example, the following `.refitter` settings file
```json
{
"openApiPath": "../OpenAPI/v3.0/petstore.json",
"namespace": "Petstore",
"useDynamicQuerystringParameters": true,
"multipleInterfaces": "ByTag",
"naming": {
"useOpenApiTitle": false,
"interfaceName": "Petstore"
},
"dependencyInjectionSettings": {
"baseUrl": "https://petstore3.swagger.io/api/v3",
"httpMessageHandlers": [ "MyDelegatingHandler" ],
"transientErrorHandler": "HttpResilience",
"maxRetryCount": 3,
"firstBackoffRetryInSeconds": 0.5
},
"apizrSettings": {
"withRequestOptions": true, // Recommended to include an Apizr request options parameter to Refit interface methods
"withRegistrationHelper": true, // Mandatory to actually generate the Apizr registration extended method
"withCacheProvider": "InMemory", // Optional, default is None
"withPriority": true, // Optional, default is false
"withMediation": true, // Optional, default is false
"withOptionalMediation": true, // Optional, default is false
"withMappingProvider": "AutoMapper", // Optional, default is None
"withFileTransfer": true // Optional, default is false
}
}
```
Will generate a single `ConfigurePetstoreApizrManagers()` extension method that may contain dependency injection configuration code for multiple interfaces like this
```csharp
public static IServiceCollection ConfigurePetstoreApizrManagers(
this IServiceCollection services,
Action? optionsBuilder = null)
{
optionsBuilder ??= _ => { }; // Default empty options if null
optionsBuilder += options => options
.WithBaseAddress("https://petstore3.swagger.io/api/v3", ApizrDuplicateStrategy.Ignore)
.WithDelegatingHandler()
.ConfigureHttpClientBuilder(builder => builder
.AddStandardResilienceHandler(config =>
{
config.Retry = new HttpRetryStrategyOptions
{
UseJitter = true,
MaxRetryAttempts = 3,
Delay = TimeSpan.FromSeconds(0.5)
};
}))
.WithInMemoryCacheHandler()
.WithAutoMapperMappingHandler()
.WithPriority()
.WithOptionalMediation()
.WithFileTransferOptionalMediation();
return services.AddApizr(
registry => registry
.AddManagerFor()
.AddManagerFor()
.AddManagerFor(),
optionsBuilder);
}
```
Here, `IPetApi`, `IStoreApi` and `IUserApi` are the generated interfaces which share the same common configuration defined from the `.refitter` file.
### [Static](#tab/tabid-static)
To enable Apizr static builder code generation, you need at least to set the `withRegistrationHelper` property to `true` and leave the `DependencyInjectionSettings` section to null in the `.refitter` settings file.
This is what the `.refitter` settings file may look like, depending on you configuration:
```json
{
"openApiPath": "../OpenAPI/v3.0/petstore.json",
"namespace": "Petstore",
"useDynamicQuerystringParameters": true,
"apizrSettings": {
"withRequestOptions": true, // Recommended to include an Apizr request options parameter to Refit interface methods
"withRegistrationHelper": true, // Mandatory to actually generate the Apizr registration extended method
"withCacheProvider": "Akavache", // Optional, default is None
"withPriority": true, // Optional, default is false
"withMappingProvider": "AutoMapper", // Optional, default is None
"withFileTransfer": true // Optional, default is false
}
}
```
which will generate a static builder method called `BuildPetstore30ApizrManager()`. The generated builder method depends on [`Apizr`](https://www.nuget.org/packages/Apizr) library and looks like this:
```cs
public static IApizrManager BuildPetstore30ApizrManager(Action optionsBuilder)
{
optionsBuilder ??= _ => { }; // Default empty options if null
optionsBuilder += options => options
.WithAkavacheCacheHandler()
.WithAutoMapperMappingHandler(new MapperConfiguration(config => { /* YOUR_MAPPINGS_HERE */ }))
.WithPriority();
return ApizrBuilder.Current.CreateManagerFor(optionsBuilder);
}
```
This comes in handy especially when generating multiple interfaces, by tag or endpoint. For example, the following `.refitter` settings file
```json
{
"openApiPath": "../OpenAPI/v3.0/petstore.json",
"namespace": "Petstore",
"useDynamicQuerystringParameters": true,
"multipleInterfaces": "ByTag",
"naming": {
"useOpenApiTitle": false,
"interfaceName": "Petstore"
},
"dependencyInjectionSettings": {
"baseUrl": "https://petstore3.swagger.io/api/v3",
"httpMessageHandlers": [ "MyDelegatingHandler" ],
"transientErrorHandler": "HttpResilience",
"maxRetryCount": 3,
"firstBackoffRetryInSeconds": 0.5
},
"apizrSettings": {
"withRequestOptions": true, // Recommended to include an Apizr request options parameter to Refit interface methods
"withRegistrationHelper": true, // Mandatory to actually generate the Apizr registration extended method
"withCacheProvider": "InMemory", // Optional, default is None
"withPriority": true, // Optional, default is false
"withMediation": true, // Optional, default is false
"withOptionalMediation": true, // Optional, default is false
"withMappingProvider": "AutoMapper", // Optional, default is None
"withFileTransfer": true // Optional, default is false
}
}
```
Will generate a single `BuildPetstoreApizrManagers()` builder method that may contain configuration code for multiple interfaces like this
```csharp
public static IApizrRegistry BuildPetstoreApizrManagers(Action optionsBuilder)
{
optionsBuilder ??= _ => { }; // Default empty options if null
optionsBuilder += options => options
.WithAkavacheCacheHandler()
.WithAutoMapperMappingHandler(new MapperConfiguration(config => { /* YOUR_MAPPINGS_HERE */ }))
.WithPriority();
return ApizrBuilder.Current.CreateRegistry(
registry => registry
.AddManagerFor()
.AddManagerFor()
.AddManagerFor(),
optionsBuilder);
}
```
Here, `IPetApi`, `IStoreApi` and `IUserApi` are the generated interfaces which share the same common configuration defined from the `.refitter` file.
***
### Customizing the configuration
You may want to adjust apis configuration, for example, to add a custom header to requests. This can be done using the `Action` parameter while calling the generated method.
To know how to make Apizr fit your needs, please refer to the [Apizr documentation](https://www.apizr.net).
### Using the managers
Once you called the generated method, you will get an `IApizrManager` instance that you can use to make requests to the API. Here's an example of how to use it:
```csharp
var result = await petstoreManager.ExecuteAsync((api, opt) => api.GetPetById(1, opt),
options => options // Whatever final request options you want to apply
.WithPriority(Priority.Background)
.WithHeaders(["HeaderKey1: HeaderValue1"])
.WithRequestTimeout("00:00:10")
.WithCancellation(cts.Token));
```
Please head to the [Apizr documentation](https://www.apizr.net) to get more.
## System requirements
.NET 8.0
## Contributors
Philip Cox
💻
Cameron MacFarland
💻
kgame
💻
Thomas Pettersen / Yrki
💻
Artem
🐛
m7clarke
🐛
kirides
🐛 💻
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💻 🐛
Dennis Brentjes
💻 🤔
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🐛
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🐛
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💻
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💻
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🤔 💻
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🐛
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📖 🐛
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🐛
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💻 🤔
Attila Hajdrik
🤔
bielik01
🐛 🤔
naaeef
🤔
Alireza Habibi
🐛
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🐛
jods
🤔 🐛
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💻
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🐛
folbrecht
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💻
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🐛
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💻
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🤔 💻
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📖
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🤔 💻
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💻
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🐛 💻
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🤔 💻
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🤔
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🐛
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🤔 💻 📖
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🤔
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🐛
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🤔
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🤔 💻
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🐛
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🤔 💻
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🤔
#
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