adds delete and duplicate of a tag

src/Piwigo.Client.Tests/Piwigo.Client.Tests.csproj

@@ -56,6 +56,9 @@
       <None Update="TagApiTests.GetListAsync_should_return_all_tags.verified.txt">
         <DependentUpon>TagApiTests.cs</DependentUpon>
       </None>
+      <None Update="TagApiTests.Duplicate_should_pass_correct_parameters.verified.txt">
+        <DependentUpon>TagApiTests.cs</DependentUpon>
+      </None>
     </ItemGroup>
 
 </Project>

src/Piwigo.Client.Tests/TagApiTests.Duplicate_should_pass_correct_parameters.verified.txt

@@ -0,0 +1,5 @@
+{
+  id: 4,
+  name: dup2,
+  url_name: dup2
+}

src/Piwigo.Client.Tests/TagApiTests.cs

@@ -51,4 +51,31 @@ public class TagApiTests : ApiTestsBase
 
         await Verify(response);
     }
+
+    [Test]
+    public async Task DeleteAsync_should_pass_correct_parameters()
+    {
+        SetOkResult();
+
+        await _tagApi.DeleteAsync(123, ApiToken);
+
+        CorrectMethodShouldGetCalled("pwg.tags.delete");
+        CorrectParamShouldGetSent("tag_id", "123");
+        CorrectParamShouldGetSent("pwg_token", ApiToken);
+    }
+
+    [Test]
+    public async Task DuplicateAsync_should_pass_correct_parameters()
+    {
+        SetJsonResult(@"{""stat"":""ok"",""result"":{""id"":4,""name"":""dup2"",""url_name"":""dup2"",""count"":1}}");
+
+        var response = await _tagApi.DuplicateAsync(123, "newTag", ApiToken);
+
+        CorrectMethodShouldGetCalled("pwg.tags.duplicate");
+        CorrectParamShouldGetSent("tag_id", "123");
+        CorrectParamShouldGetSent("copy_name", "newTag");
+        CorrectParamShouldGetSent("pwg_token", ApiToken);
+
+        await Verify(response);
+    }
 }

src/Piwigo.Client/Tags/AddedTag.cs

@@ -2,7 +2,7 @@ using Newtonsoft.Json;
 
 namespace Piwigo.Client.Tags;
 
-public record TagAdded
+public record AddedTag
 {
     [JsonProperty("info")]
     public string? Info { get; init; }

src/Piwigo.Client/Tags/ITagApi.cs

@@ -10,7 +10,30 @@ public interface ITagApi
     ///     <see cref="CancellationToken" />
     /// </param>
     /// <returns>Information about the uploaded tag</returns>
-    Task<TagAdded> AddAsync(string name, CancellationToken cancellationToken = default);
+    Task<AddedTag> AddAsync(string name, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    ///     Removes assignments and deletes the tag form the gallery
+    /// </summary>
+    /// <param name="tagId">the id of the tag</param>
+    /// <param name="apiToken">The API token that can be read from <see cref="Piwigo.Client.Session.SessionStatus" /></param>
+    /// <param name="cancellationToken">
+    ///     <see cref="CancellationToken" />
+    /// </param>
+    /// <returns></returns>
+    Task DeleteAsync(int tagId, string apiToken, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    ///     Duplicates an existing tag and returns the information of the newly added tag
+    /// </summary>
+    /// <param name="tagId">tag id to duplicate</param>
+    /// <param name="targetName">the name of the new tag</param>
+    /// <param name="apiToken">The API token that can be read from <see cref="Piwigo.Client.Session.SessionStatus" /></param>
+    /// <param name="cancellationToken">
+    ///     <see cref="CancellationToken" />
+    /// </param>
+    /// <returns>The information about the added tag</returns>
+    Task<AddedTag> DuplicateAsync(int tagId, string targetName, string apiToken, CancellationToken cancellationToken = default);
 
     /// <summary>
     ///     Gets a list of all known tags. This call is only available for admins

src/Piwigo.Client/Tags/TagApi.cs

@@ -13,13 +13,13 @@ public class TagApi : ITagApi
         _logger = logger ?? throw new ArgumentNullException(nameof(logger));
     }
 
-    public async Task<TagAdded> AddAsync(string name, CancellationToken cancellationToken = default)
+    public async Task<AddedTag> AddAsync(string name, CancellationToken cancellationToken = default)
     {
         var formParams = new Dictionary<string, string>
         {
             { "name", name }
         };
-        var response = await _context.PostAsync<PiwigoResponse<TagAdded>>(_logger, "pwg.tags.add", formParams, cancellationToken);
+        var response = await _context.PostAsync<PiwigoResponse<AddedTag>>(_logger, "pwg.tags.add", formParams, cancellationToken);
         return response.Result;
     }
 
@@ -37,4 +37,29 @@ public class TagApi : ITagApi
         var response = await _context.PostAsync<PiwigoResponse<TagList<AssignedTag>>>(_logger, "pwg.tags.getList", formParams, cancellationToken);
         return response.Result.Tags;
     }
+
+    public async Task DeleteAsync(int tagId, string apiToken, CancellationToken cancellationToken = default)
+    {
+        var formParams = new Dictionary<string, string>
+        {
+            { "tag_id", tagId.ToString() },
+            { "pwg_token", apiToken }
+        };
+
+        await _context.PostAsync<PiwigoResponse>(_logger, "pwg.tags.delete", formParams, cancellationToken);
+    }
+
+    public async Task<AddedTag> DuplicateAsync(int tagId, string targetName, string apiToken, CancellationToken cancellationToken = default)
+    {
+        var formParams = new Dictionary<string, string>
+        {
+            { "tag_id", tagId.ToString() },
+            { "copy_name", targetName },
+            { "pwg_token", apiToken }
+        };
+
+        var response = await _context.PostAsync<PiwigoResponse<AddedTag>>(_logger, "pwg.tags.duplicate", formParams, cancellationToken);
+
+        return response.Result;
+    }
 }