[Backport 8.0] Add enrich APIs

src/Elastic.Clients.Elasticsearch/Common/Infer/Fields/Fields.cs

@@ -15,32 +15,28 @@
 
 namespace Elastic.Clients.Elasticsearch;
 
-// TODO - Converter
-
 internal sealed class FieldsConverter : JsonConverter<Fields>
 {
 	public override Fields? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
 	{
-		reader.Read();
-
-		if (reader.TokenType != JsonTokenType.StartArray)
+		if (reader.TokenType == JsonTokenType.String)
 		{
-			return null;
+			Fields fields = reader.GetString();
+			return fields;
 		}
-
-		var fields = new List<Field>();
-		while (reader.Read())
+		else if (reader.TokenType == JsonTokenType.StartArray)
 		{
-			if (reader.TokenType == JsonTokenType.EndArray)
-				break;
-
-			var field = JsonSerializer.Deserialize(ref reader, typeof(Field), options);
-
-			if (field is Field f)
-				fields.Add(f);
+			var fields = new List<Field>();
+			while (reader.Read() && reader.TokenType != JsonTokenType.EndArray)
+			{
+				var field = JsonSerializer.Deserialize<Field>(ref reader, options);
+				fields.Add(field);
+			}
+			return new Fields(fields);
 		}
 
-		return new Fields(fields);
+		reader.Read();
+		return null;
 	}
 
 	public override void Write(Utf8JsonWriter writer, Fields value, JsonSerializerOptions options)

src/Elastic.Clients.Elasticsearch/Common/Infer/Indices/Indices.cs

@@ -22,6 +22,8 @@ internal Indices(ManyIndices indices) : base(indices) { }
 
 	internal Indices(IEnumerable<IndexName> indices) : base(new ManyIndices(indices)) { }
 
+	internal Indices(IEnumerable<string> indices) : base(new ManyIndices(indices)) { }
+
 	/// <summary>All indices. Represents _all</summary>
 	public static Indices All { get; } = new Indices(new AllIndicesMarker());
 
@@ -153,6 +155,16 @@ internal sealed class IndicesJsonConverter : JsonConverter<Indices>
 			Indices indices = reader.GetString();
 			return indices;
 		}
+		else if (reader.TokenType == JsonTokenType.StartArray)
+		{
+			var indices = new List<string>();
+			while (reader.Read() && reader.TokenType != JsonTokenType.EndArray)
+			{
+				var index = reader.GetString();
+				indices.Add(index);
+			}
+			return new Indices(indices);
+		}
 
 		reader.Read();
 		return null;

src/Elastic.Clients.Elasticsearch/_Generated/Api/ApiUrlsLookup.g.cs

@@ -32,6 +32,11 @@ internal static class ApiUrlsLookups
 		internal static ApiUrls NoNamespaceCount = new ApiUrls(new[] { "/_count", "/{index}/_count" });
 		internal static ApiUrls NoNamespaceCreate = new ApiUrls(new[] { "/{index}/_create/{id}" });
 		internal static ApiUrls NoNamespaceDelete = new ApiUrls(new[] { "/{index}/_doc/{id}" });
+		internal static ApiUrls EnrichDeletePolicy = new ApiUrls(new[] { "/_enrich/policy/{name}" });
+		internal static ApiUrls EnrichExecutePolicy = new ApiUrls(new[] { "/_enrich/policy/{name}/_execute" });
+		internal static ApiUrls EnrichGetPolicy = new ApiUrls(new[] { "/_enrich/policy/{name}", "/_enrich/policy" });
+		internal static ApiUrls EnrichPutPolicy = new ApiUrls(new[] { "/_enrich/policy/{name}" });
+		internal static ApiUrls EnrichStats = new ApiUrls(new[] { "/_enrich/_stats" });
 		internal static ApiUrls EqlDelete = new ApiUrls(new[] { "/_eql/search/{id}" });
 		internal static ApiUrls EqlGetStatus = new ApiUrls(new[] { "/_eql/search/status/{id}" });
 		internal static ApiUrls EqlSearch = new ApiUrls(new[] { "/{index}/_eql/search" });

src/Elastic.Clients.Elasticsearch/_Generated/Api/Enrich/EnrichDeletePolicyRequest.g.cs

@@ -0,0 +1,67 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information.
+//
+// ███╗   ██╗ ██████╗ ████████╗██╗ ██████╗███████╗
+// ████╗  ██║██╔═══██╗╚══██╔══╝██║██╔════╝██╔════╝
+// ██╔██╗ ██║██║   ██║   ██║   ██║██║     █████╗
+// ██║╚██╗██║██║   ██║   ██║   ██║██║     ██╔══╝
+// ██║ ╚████║╚██████╔╝   ██║   ██║╚██████╗███████╗
+// ╚═╝  ╚═══╝ ╚═════╝    ╚═╝   ╚═╝ ╚═════╝╚══════╝
+// ------------------------------------------------
+//
+// This file is automatically generated.
+// Please do not edit these files manually.
+//
+// ------------------------------------------------
+
+using Elastic.Transport;
+using System;
+using System.Collections.Generic;
+using System.Linq.Expressions;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+#nullable restore
+namespace Elastic.Clients.Elasticsearch.Enrich
+{
+	public class EnrichDeletePolicyRequestParameters : RequestParameters<EnrichDeletePolicyRequestParameters>
+	{
+	}
+
+	public partial class EnrichDeletePolicyRequest : PlainRequestBase<EnrichDeletePolicyRequestParameters>
+	{
+		public EnrichDeletePolicyRequest(Elastic.Clients.Elasticsearch.Name name) : base(r => r.Required("name", name))
+		{
+		}
+
+		internal override ApiUrls ApiUrls => ApiUrlsLookups.EnrichDeletePolicy;
+		protected override HttpMethod HttpMethod => HttpMethod.DELETE;
+		protected override bool SupportsBody => false;
+	}
+
+	public sealed partial class EnrichDeletePolicyRequestDescriptor : RequestDescriptorBase<EnrichDeletePolicyRequestDescriptor, EnrichDeletePolicyRequestParameters>
+	{
+		internal EnrichDeletePolicyRequestDescriptor(Action<EnrichDeletePolicyRequestDescriptor> configure) => configure.Invoke(this);
+		public EnrichDeletePolicyRequestDescriptor(Elastic.Clients.Elasticsearch.Name name) : base(r => r.Required("name", name))
+		{
+		}
+
+		internal EnrichDeletePolicyRequestDescriptor()
+		{
+		}
+
+		internal override ApiUrls ApiUrls => ApiUrlsLookups.EnrichDeletePolicy;
+		protected override HttpMethod HttpMethod => HttpMethod.DELETE;
+		protected override bool SupportsBody => false;
+		public EnrichDeletePolicyRequestDescriptor Name(Elastic.Clients.Elasticsearch.Name name)
+		{
+			RouteValues.Required("name", name);
+			return Self;
+		}
+
+		protected override void Serialize(Utf8JsonWriter writer, JsonSerializerOptions options, IElasticsearchClientSettings settings)
+		{
+		}
+	}
+}

src/Elastic.Clients.Elasticsearch/_Generated/Api/Enrich/EnrichDeletePolicyResponse.g.cs

@@ -0,0 +1,31 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information.
+//
+// ███╗   ██╗ ██████╗ ████████╗██╗ ██████╗███████╗
+// ████╗  ██║██╔═══██╗╚══██╔══╝██║██╔════╝██╔════╝
+// ██╔██╗ ██║██║   ██║   ██║   ██║██║     █████╗
+// ██║╚██╗██║██║   ██║   ██║   ██║██║     ██╔══╝
+// ██║ ╚████║╚██████╔╝   ██║   ██║╚██████╗███████╗
+// ╚═╝  ╚═══╝ ╚═════╝    ╚═╝   ╚═╝ ╚═════╝╚══════╝
+// ------------------------------------------------
+//
+// This file is automatically generated.
+// Please do not edit these files manually.
+//
+// ------------------------------------------------
+
+using Elastic.Transport.Products.Elasticsearch;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+
+#nullable restore
+namespace Elastic.Clients.Elasticsearch.Enrich
+{
+	public partial class EnrichDeletePolicyResponse : ElasticsearchResponseBase
+	{
+		[JsonInclude]
+		[JsonPropertyName("acknowledged")]
+		public bool Acknowledged { get; init; }
+	}
+}

src/Elastic.Clients.Elasticsearch/_Generated/Api/Enrich/EnrichExecutePolicyRequest.g.cs

@@ -0,0 +1,72 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information.
+//
+// ███╗   ██╗ ██████╗ ████████╗██╗ ██████╗███████╗
+// ████╗  ██║██╔═══██╗╚══██╔══╝██║██╔════╝██╔════╝
+// ██╔██╗ ██║██║   ██║   ██║   ██║██║     █████╗
+// ██║╚██╗██║██║   ██║   ██║   ██║██║     ██╔══╝
+// ██║ ╚████║╚██████╔╝   ██║   ██║╚██████╗███████╗
+// ╚═╝  ╚═══╝ ╚═════╝    ╚═╝   ╚═╝ ╚═════╝╚══════╝
+// ------------------------------------------------
+//
+// This file is automatically generated.
+// Please do not edit these files manually.
+//
+// ------------------------------------------------
+
+using Elastic.Transport;
+using System;
+using System.Collections.Generic;
+using System.Linq.Expressions;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+#nullable restore
+namespace Elastic.Clients.Elasticsearch.Enrich
+{
+	public class EnrichExecutePolicyRequestParameters : RequestParameters<EnrichExecutePolicyRequestParameters>
+	{
+		[JsonIgnore]
+		public bool? WaitForCompletion { get => Q<bool?>("wait_for_completion"); set => Q("wait_for_completion", value); }
+	}
+
+	public partial class EnrichExecutePolicyRequest : PlainRequestBase<EnrichExecutePolicyRequestParameters>
+	{
+		public EnrichExecutePolicyRequest(Elastic.Clients.Elasticsearch.Name name) : base(r => r.Required("name", name))
+		{
+		}
+
+		internal override ApiUrls ApiUrls => ApiUrlsLookups.EnrichExecutePolicy;
+		protected override HttpMethod HttpMethod => HttpMethod.PUT;
+		protected override bool SupportsBody => false;
+		[JsonIgnore]
+		public bool? WaitForCompletion { get => Q<bool?>("wait_for_completion"); set => Q("wait_for_completion", value); }
+	}
+
+	public sealed partial class EnrichExecutePolicyRequestDescriptor : RequestDescriptorBase<EnrichExecutePolicyRequestDescriptor, EnrichExecutePolicyRequestParameters>
+	{
+		internal EnrichExecutePolicyRequestDescriptor(Action<EnrichExecutePolicyRequestDescriptor> configure) => configure.Invoke(this);
+		public EnrichExecutePolicyRequestDescriptor(Elastic.Clients.Elasticsearch.Name name) : base(r => r.Required("name", name))
+		{
+		}
+
+		internal EnrichExecutePolicyRequestDescriptor()
+		{
+		}
+
+		internal override ApiUrls ApiUrls => ApiUrlsLookups.EnrichExecutePolicy;
+		protected override HttpMethod HttpMethod => HttpMethod.PUT;
+		protected override bool SupportsBody => false;
+		public EnrichExecutePolicyRequestDescriptor WaitForCompletion(bool? waitForCompletion = true) => Qs("wait_for_completion", waitForCompletion);
+		public EnrichExecutePolicyRequestDescriptor Name(Elastic.Clients.Elasticsearch.Name name)
+		{
+			RouteValues.Required("name", name);
+			return Self;
+		}
+
+		protected override void Serialize(Utf8JsonWriter writer, JsonSerializerOptions options, IElasticsearchClientSettings settings)
+		{
+		}
+	}
+}

src/Elastic.Clients.Elasticsearch/_Generated/Api/Enrich/EnrichExecutePolicyResponse.g.cs

@@ -0,0 +1,35 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information.
+//
+// ███╗   ██╗ ██████╗ ████████╗██╗ ██████╗███████╗
+// ████╗  ██║██╔═══██╗╚══██╔══╝██║██╔════╝██╔════╝
+// ██╔██╗ ██║██║   ██║   ██║   ██║██║     █████╗
+// ██║╚██╗██║██║   ██║   ██║   ██║██║     ██╔══╝
+// ██║ ╚████║╚██████╔╝   ██║   ██║╚██████╗███████╗
+// ╚═╝  ╚═══╝ ╚═════╝    ╚═╝   ╚═╝ ╚═════╝╚══════╝
+// ------------------------------------------------
+//
+// This file is automatically generated.
+// Please do not edit these files manually.
+//
+// ------------------------------------------------
+
+using Elastic.Transport.Products.Elasticsearch;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+
+#nullable restore
+namespace Elastic.Clients.Elasticsearch.Enrich
+{
+	public partial class EnrichExecutePolicyResponse : ElasticsearchResponseBase
+	{
+		[JsonInclude]
+		[JsonPropertyName("status")]
+		public Elastic.Clients.Elasticsearch.Enrich.ExecutePolicy.ExecuteEnrichPolicyStatus Status { get; init; }
+
+		[JsonInclude]
+		[JsonPropertyName("task_id")]
+		public Elastic.Clients.Elasticsearch.TaskId? TaskId { get; init; }
+	}
+}

src/Elastic.Clients.Elasticsearch/_Generated/Api/Enrich/EnrichGetPolicyRequest.g.cs

@@ -0,0 +1,67 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information.
+//
+// ███╗   ██╗ ██████╗ ████████╗██╗ ██████╗███████╗
+// ████╗  ██║██╔═══██╗╚══██╔══╝██║██╔════╝██╔════╝
+// ██╔██╗ ██║██║   ██║   ██║   ██║██║     █████╗
+// ██║╚██╗██║██║   ██║   ██║   ██║██║     ██╔══╝
+// ██║ ╚████║╚██████╔╝   ██║   ██║╚██████╗███████╗
+// ╚═╝  ╚═══╝ ╚═════╝    ╚═╝   ╚═╝ ╚═════╝╚══════╝
+// ------------------------------------------------
+//
+// This file is automatically generated.
+// Please do not edit these files manually.
+//
+// ------------------------------------------------
+
+using Elastic.Transport;
+using System;
+using System.Collections.Generic;
+using System.Linq.Expressions;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+#nullable restore
+namespace Elastic.Clients.Elasticsearch.Enrich
+{
+	public class EnrichGetPolicyRequestParameters : RequestParameters<EnrichGetPolicyRequestParameters>
+	{
+	}
+
+	public partial class EnrichGetPolicyRequest : PlainRequestBase<EnrichGetPolicyRequestParameters>
+	{
+		public EnrichGetPolicyRequest()
+		{
+		}
+
+		public EnrichGetPolicyRequest(Elastic.Clients.Elasticsearch.Names? name) : base(r => r.Optional("name", name))
+		{
+		}
+
+		internal override ApiUrls ApiUrls => ApiUrlsLookups.EnrichGetPolicy;
+		protected override HttpMethod HttpMethod => HttpMethod.GET;
+		protected override bool SupportsBody => false;
+	}
+
+	public sealed partial class EnrichGetPolicyRequestDescriptor : RequestDescriptorBase<EnrichGetPolicyRequestDescriptor, EnrichGetPolicyRequestParameters>
+	{
+		internal EnrichGetPolicyRequestDescriptor(Action<EnrichGetPolicyRequestDescriptor> configure) => configure.Invoke(this);
+		public EnrichGetPolicyRequestDescriptor()
+		{
+		}
+
+		internal override ApiUrls ApiUrls => ApiUrlsLookups.EnrichGetPolicy;
+		protected override HttpMethod HttpMethod => HttpMethod.GET;
+		protected override bool SupportsBody => false;
+		public EnrichGetPolicyRequestDescriptor Name(Elastic.Clients.Elasticsearch.Names? name)
+		{
+			RouteValues.Optional("name", name);
+			return Self;
+		}
+
+		protected override void Serialize(Utf8JsonWriter writer, JsonSerializerOptions options, IElasticsearchClientSettings settings)
+		{
+		}
+	}
+}

src/Elastic.Clients.Elasticsearch/_Generated/Api/Enrich/EnrichGetPolicyResponse.g.cs

@@ -0,0 +1,31 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information.
+//
+// ███╗   ██╗ ██████╗ ████████╗██╗ ██████╗███████╗
+// ████╗  ██║██╔═══██╗╚══██╔══╝██║██╔════╝██╔════╝
+// ██╔██╗ ██║██║   ██║   ██║   ██║██║     █████╗
+// ██║╚██╗██║██║   ██║   ██║   ██║██║     ██╔══╝
+// ██║ ╚████║╚██████╔╝   ██║   ██║╚██████╗███████╗
+// ╚═╝  ╚═══╝ ╚═════╝    ╚═╝   ╚═╝ ╚═════╝╚══════╝
+// ------------------------------------------------
+//
+// This file is automatically generated.
+// Please do not edit these files manually.
+//
+// ------------------------------------------------
+
+using Elastic.Transport.Products.Elasticsearch;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+
+#nullable restore
+namespace Elastic.Clients.Elasticsearch.Enrich
+{
+	public partial class EnrichGetPolicyResponse : ElasticsearchResponseBase
+	{
+		[JsonInclude]
+		[JsonPropertyName("policies")]
+		public IReadOnlyCollection<Elastic.Clients.Elasticsearch.Enrich.Summary> Policies { get; init; }
+	}
+}