added swagger api documentation

Properties/launchSettings.json

@@ -12,7 +12,7 @@
     "IIS Express": {
       "commandName": "IISExpress",
       "launchBrowser": true,
-      "launchUrl": "weatherforecast",
+      "launchUrl": "swagger",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
       }
@@ -20,7 +20,7 @@
     "TestApplication": {
       "commandName": "Project",
       "launchBrowser": true,
-      "launchUrl": "weatherforecast",
+      "launchUrl": "swagger",
       "applicationUrl": "https://localhost:5001;http://localhost:5000",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"

Startup.cs

@@ -4,6 +4,7 @@ using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
+using Microsoft.OpenApi.Models;
 using TestApplication.Data;
 
 namespace TestApplication
@@ -25,6 +26,17 @@ namespace TestApplication
             {
                 opt.UseMySql(Configuration.GetConnectionString("DefaultConnection"));
             });
+
+            services.AddSwaggerGen(swagger =>  
+            {  
+                //This is to generate the Default UI of Swagger Documentation  
+                swagger.SwaggerDoc("v1", new OpenApiInfo  
+                {   
+                    Version= "v1",   
+                    Title = "ICDL Ireland Shop",  
+                    Description="ASP.NET Core 3.1 Web API Documentaion" 
+                });
+            });  
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
@@ -33,6 +45,8 @@ namespace TestApplication
             if (env.IsDevelopment())
             {
                 app.UseDeveloperExceptionPage();
+                app.UseSwagger();
+                app.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "API v1"));
             }
 
             app.UseHttpsRedirection();

TestApplication.csproj

@@ -5,5 +5,6 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.1.12"/>
     <PackageReference Include="Pomelo.EntityFrameworkCore.MySql" Version="3.1.1"/>
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="5.6.3"/>
   </ItemGroup>
 </Project>