RSCG Example–HttpClientGenerator–part 19

 

 

name HttpClientGenerator
nuget

https://www.nuget.org/packages/HttpClientGenerator/

link https://github.com/Jalalx/HttpClientCodeGenerator
author Jalal Amini Robati

HttpClientGenerator is a tool that uses Roslyn code generator feature to write boilerplate HttpClient code for you.
 

The code that you start with is

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public partial class WeatherService
 
{
 
   [HttpGet(
 
WeatherForecast/{id}
 
)]
 
   public partial Task<WeatherForecast> GetWeather(int id);
 
 
 
    [HttpGet(
 
WeatherForecast
 
)]
 
    public partial Task<WeatherForecast[]> GetAllWeather(); 
 
}

The code that you will use is

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using (var client = new HttpClient())                             
 
{
 
    client.BaseAddress = new Uri(
 
http://localhost:5000
 
);
 
    var userService = new WeatherService(client);
 
    var w = await userService.GetWeather(1);
 
    Console.WriteLine($
 
{w.Summary}
 
);
 
    var q = await userService.GetAllWeather();
 
    Console.WriteLine($
 
{q[0].Summary}
 
);
 
}

 

The code that is generated is

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public partial async System.Threading.Tasks.Task<BL.WeatherForecast> GetWeather(int id)
 
{
 
    const string @___httpMethod =
 
GET
 
;
 
     
 
    var @___path =
 
WeatherForecast/{id}
 
;
 
    var @___routes = new Dictionary<string, object>();
 
    @___routes[
 
id
 
] = id;
 
     
 
    var @___queryParams = new Dictionary<string, object>();
 
    // Query String dictionary goes here...
 
     
 
    var @___headers = new Dictionary<string, string>();
 
    // Header dictionary goes here...
 
     
 
    return await HttpClientGenerator.Shared.HttpClientHelper.SendAsync<BL.WeatherForecast>(_httpClient, @___httpMethod, @___path, @___headers, @___routes, @___queryParams);
 
}

Example Code: https://github.com/ignatandrei/RSCG_Examples/tree/main/HttpClientCodeGenerator

All RSCG

NrBlog Post
1RSCG–part 1
2RSCG- AppVersion–part 2
3http://msprogrammer.serviciipeweb.ro/2021/02/17/rsgc-enum-part-3/
4RSGC-JSON to Class- part 4
5RSGC-Constructor – Deconstructor – part 5
6RSGC – DTO Mapper – part 6
7RSGC – Skinny Controllers- part 7
8RSGC-Builder Design Pattern – part 8
9RSGC- MetadataFromObject – part 9
10RSGC- Dynamic Mock – part 10
11RSCG- Method Decorator – part 11
12RSCG – Curry – Partial function – part 12
13RSCG- part 13 – IFormattable
14RSCG- part 14 – DP_Decorator
15RSCG- part 15 – Expression Generator
16RSCG- part 16 – Many Others
17RSCG- the book
18RSCG–Template Rendering- part 17
19CI Version
20HttpClientGenerator
21Query from database
22AutoRegister
23TinyTypes
24Static2Interface
25AppSettings
26Properties
27
Roslyn Source Code Generators