Cli ListTemplatesCommand: Get templates from abp.io & list

resolves https://github.com/abpframework/abp/issues/13008

framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Commands/ListTemplatesCommand.cs

@@ -1,22 +1,89 @@
-using System.Text;
+using System;
+using System.Collections.Generic;
+using System.Text;
 using System.Threading.Tasks;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Logging.Abstractions;
 using Volo.Abp.Cli.Args;
+using Volo.Abp.Cli.Commands.Templates;
+using Volo.Abp.Cli.Http;
+using Volo.Abp.Cli.ProjectBuilding;
 using Volo.Abp.DependencyInjection;
+using Volo.Abp.Json;
+using Volo.Abp.Threading;
 
 namespace Volo.Abp.Cli.Commands;
 
 public class ListTemplatesCommand : IConsoleCommand, ITransientDependency
 {
     public const string Name = "list-templates";
-    
-    public ListTemplatesCommand()
+
+    private readonly CliHttpClientFactory _cliHttpClientFactory;
+    private readonly IJsonSerializer _jsonSerializer;
+    private readonly ICancellationTokenProvider _cancellationTokenProvider;
+    private readonly IRemoteServiceExceptionHandler _remoteServiceExceptionHandler;
+
+    public ILogger<ListTemplatesCommand> Logger { get; set; }
+
+    public ListTemplatesCommand(
+        CliHttpClientFactory cliHttpClientFactory,
+        IJsonSerializer jsonSerializer,
+        ICancellationTokenProvider cancellationTokenProvider,
+        IRemoteServiceExceptionHandler remoteServiceExceptionHandler)
     {
-        
+        _cliHttpClientFactory = cliHttpClientFactory;
+        _jsonSerializer = jsonSerializer;
+        _cancellationTokenProvider = cancellationTokenProvider;
+        _remoteServiceExceptionHandler = remoteServiceExceptionHandler;
+
+        Logger = NullLogger<ListTemplatesCommand>.Instance;
     }
 
     public async Task ExecuteAsync(CommandLineArgs commandLineArgs)
     {
-        
+        var templateNameSpaceLength = 26;
+        var templateDisplayNameSpaceLength = 32;
+
+        var templates = await GetTemplatesAsync();
+
+        var output = new StringBuilder(Environment.NewLine + Environment.NewLine);
+
+        output.AppendLine(
+            $"{"Template".PadRight(templateNameSpaceLength)}" +
+            $"{"Template Name".PadRight(templateDisplayNameSpaceLength)}" +
+            "Document Url");
+
+        output.AppendLine(
+            $"{"--------".PadRight(templateNameSpaceLength)}" +
+            $"{"-------------".PadRight(templateDisplayNameSpaceLength)}" +
+            "------------");
+
+        output.AppendLine();
+
+        foreach (var template in templates)
+        {
+            output.AppendLine(
+                $"{template.Name?.PadRight(templateNameSpaceLength)}" +
+                $"{template.DisplayName?.PadRight(templateDisplayNameSpaceLength)}" +
+                $"{template.DocumentUrl}");
+        }
+
+        Logger.LogInformation(output.ToString());
+    }
+
+    private async Task<List<TemplateInfo>> GetTemplatesAsync()
+    {
+        var client = _cliHttpClientFactory.CreateClient();
+
+        using (var responseMessage = await client.GetAsync(
+                   $"{CliUrls.WwwAbpIo}api/download/templates/",
+                   _cancellationTokenProvider.Token
+               ))
+        {
+            await _remoteServiceExceptionHandler.EnsureSuccessfulHttpResponseAsync(responseMessage);
+            var result = await responseMessage.Content.ReadAsStringAsync();
+            return _jsonSerializer.Deserialize<List<TemplateInfo>>(result);
+        }
     }
 
     public string GetUsageInfo()
@@ -36,4 +103,4 @@ public class ListTemplatesCommand : IConsoleCommand, ITransientDependency
     {
         return "Lists available templates to be created.";
     }
-}
+}

framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Commands/Templates/TemplateInfo.cs

@@ -0,0 +1,14 @@
+namespace Volo.Abp.Cli.Commands.Templates;
+
+public class TemplateInfo
+{
+    public string Name { get;  set; }
+
+    public string DisplayName { get;  set; }
+
+    public string ShortDescription { get;  set; }
+
+    public string DocumentUrl { get;  set; }
+        
+    public bool IsPro { get; set; }
+}