Add example of service dependency injection (ardalis#36)

* Add example of service dependency injection * Add some indentation to new code example * Copy example code from the sample app
anluoma · Sep 24, 2020 · dcf2664 · dcf2664
1 parent b0d1f0a
commit dcf2664
Showing 1 changed file with 25 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -80,6 +80,31 @@ public override async Task<ActionResult<CreateAuthorResult>> HandleAsync([FromBo
     return Ok(result);
 }
 ```
+Option to use service dependency injection instead of constructor
+``` csharp
+// File: sample/SampleEndpointApp/AuthorEndpoints/List.cs
+public class List : BaseAsyncEndpoint
+{
+    [HttpGet("/authors")]
+	[SwaggerOperation(
+		Summary = "List all Authors",
+		Description = "List all Authors",
+		OperationId = "Author.List",
+		Tags = new[] { "AuthorEndpoint" })
+	]
+    public async Task<ActionResult> HandleAsync(
+        [FromServices] IAsyncRepository<Author> repository,
+        [FromServices] IMapper mapper,
+        [FromQuery] int page = 1, int perPage = 10,
+        CancellationToken cancellationToken = default)
+    {
+        var result = (await repository.ListAllAsync(perPage, page, cancellationToken))
+            .Select(i => mapper.Map<AuthorListResult>(i));
+
+        return Ok(result);
+    }
+}
+```
 
 Examples of the configuration can be found in the sample API project