adds first code to upload an image using cli

src/Piwigo.Client.Cli/BaseOptions.cs

@@ -0,0 +1,15 @@
+using CommandLine;
+
+namespace Piwigo.Client.Cli;
+
+internal class BaseOptions
+{
+    [Option('s', "server", Required = true, HelpText = "Piwigo server url")]
+    public string ServerUrl { get; set; } = null!;
+
+    [Option('u', "user", Required = true, HelpText = "Username to log into piwigo")]
+    public string UserName { get; set; } = null!;
+
+    [Option('p', "password", Required = true, HelpText = "Password to log into piwigo")]
+    public string Password { get; set; } = null!;
+}

src/Piwigo.Client.Cli/EventIds.cs

@@ -0,0 +1,11 @@
+using Microsoft.Extensions.Logging;
+
+namespace Piwigo.Client.Cli;
+
+internal static class EventIds
+{
+    public static EventId ActionSucceeded { get; } = new(0, "action completed successfully");
+    public static EventId Upload { get; } = new(1, "upload an image");
+    public static EventId SystemError { get; } = new(-1, "system error");
+    public static EventId PiwigoError { get; } = new(-2, "piwigo error");
+}

src/Piwigo.Client.Cli/Piwigo.Client.Cli.csproj

@@ -8,8 +8,14 @@
         <IsPackable>false</IsPackable>
     </PropertyGroup>
 
+    <ItemGroup>
+      <ProjectReference Include="..\Piwigo.Client\Piwigo.Client.csproj" />
+    </ItemGroup>
+
     <ItemGroup>
       <PackageReference Include="CommandLineParser" Version="2.9.1" />
+      <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="7.0.0" />
+      <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="7.0.0" />
     </ItemGroup>
 
 </Project>

src/Piwigo.Client.Cli/Program.cs

@@ -1,3 +1,8 @@
-// See https://aka.ms/new-console-template for more information
+using CommandLine;
+using Microsoft.Extensions.Logging;
+using Piwigo.Client.Cli;
 
-Console.WriteLine("Hello, World!");
+var loggerFactory = LoggerFactory.Create(builder => builder.AddConsole().AddDebug());
+
+return await Parser.Default.ParseArguments<UploadOptions>(args).MapResult(async opts => await UploadHandler.UploadAndReturnExitCode(opts, loggerFactory),
+    _ => Task.FromResult(-1)); // Invalid arguments

src/Piwigo.Client.Cli/UploadHandler.cs

@@ -0,0 +1,30 @@
+using Microsoft.Extensions.Logging;
+
+namespace Piwigo.Client.Cli;
+
+internal static class UploadHandler
+{
+    public static async Task<int> UploadAndReturnExitCode(UploadOptions options, ILoggerFactory loggerFactory)
+    {
+        var logger = loggerFactory.CreateLogger(nameof(UploadHandler));
+
+        try
+        {
+            logger.LogInformation(EventIds.Upload, "Uploading {ImagePath}", options.ImagePath);
+            var client = PiwigoClient.CreateClient(options.ServerUrl, options.UserName, options.Password, loggerFactory);
+            var result = await client.UploadImageAsync(new FileInfo(options.ImagePath));
+            logger.LogInformation(EventIds.ActionSucceeded, "Uploaded {ImagePath} with new image id {ImageId}", options.ImagePath, result.ImageId);
+            return EventIds.ActionSucceeded.Id;
+        }
+        catch (PiwigoException ex)
+        {
+            logger.LogCritical(EventIds.PiwigoError, ex, "{Message}", ex.Message);
+            return EventIds.PiwigoError.Id;
+        }
+        catch (Exception ex)
+        {
+            logger.LogCritical(EventIds.SystemError, ex, "{Message}", ex.Message);
+            return EventIds.SystemError.Id;
+        }
+    }
+}

src/Piwigo.Client.Cli/UploadOptions.cs

@@ -0,0 +1,12 @@
+using System.Diagnostics.CodeAnalysis;
+using CommandLine;
+
+namespace Piwigo.Client.Cli;
+
+[Verb("upload", HelpText = "Add file contents to the index.")]
+[SuppressMessage("ReSharper", "ClassNeverInstantiated.Global", Justification = "done by command line parser")]
+internal class UploadOptions : BaseOptions
+{
+    [Option('i', "image", Required = true, HelpText = "Path to the image to upload")]
+    public string ImagePath { get; set; } = null!;
+}