Get the Arango DB version information

arangodb-net-standard/ArangoDBClient.cs

@@ -16,6 +16,7 @@
 using ArangoDBNetStandard.Transport.Http;
 using ArangoDBNetStandard.UserApi;
 using ArangoDBNetStandard.ViewApi;
+using ArangoDBNetStandard.VersionApi;
 
 namespace ArangoDBNetStandard
 {
@@ -99,6 +100,11 @@ public class ArangoDBClient : IArangoDBClient
         /// </summary>
         public AdminApiClient Admin { get; private set; }
 
+        /// <summary>
+        /// Version API
+        /// </summary>
+        public VersionApiClient Version { get; private set; }
+
         /// <summary>
         /// Create an instance of <see cref="ArangoDBClient"/> from an existing
         /// <see cref="HttpClient"/> instance, using the default JSON serialization.
@@ -166,6 +172,7 @@ private void InitializeApis(
             View = new ViewApiClient(transport, serialization);
             Analyzer = new AnalyzerApiClient(transport, serialization);            
             Admin = new AdminApiClient(transport, serialization);
+            Version = new VersionApiClient(transport, serialization);
         }
     }
 }

arangodb-net-standard/VersionApi/IVersionApiClient.cs

@@ -0,0 +1,13 @@
+using System.Threading.Tasks;
+using ArangoDBNetStandard.VersionApi.Models;
+
+namespace ArangoDBNetStandard.VersionApi
+{
+    /// <summary>
+    /// Defines a client to access the ArangoDB Version API.
+    /// </summary>
+    public interface IVersionApiClient
+    {
+        Task<VersionResponse> Version();
+    }
+}

arangodb-net-standard/VersionApi/Models/VersionResponse.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Net;
+
+namespace ArangoDBNetStandard.VersionApi.Models
+{
+    public class VersionResponse
+    {
+        public string Server { get; set; }
+
+        public string License { get; set; }
+        public Version Version { get; set; }
+    }
+}

arangodb-net-standard/VersionApi/VersionApiClient.cs

@@ -0,0 +1,66 @@
+using System.Net;
+using System.Threading.Tasks;
+
+using ArangoDBNetStandard.Serialization;
+using ArangoDBNetStandard.Transport;
+using ArangoDBNetStandard.VersionApi.Models;
+
+namespace ArangoDBNetStandard.VersionApi
+{
+    /// <summary>
+    /// A client for interacting with ArangoDB Version Management endpoints,
+    /// implementing <see cref="IVersionApiClient"/>.
+    /// </summary>
+    public class VersionApiClient : ApiClientBase, IVersionApiClient
+    {
+        /// <summary>
+        /// The transport client used to communicate with the ArangoDB host.
+        /// </summary>
+        protected IApiClientTransport _client;
+
+        /// <summary>
+        /// The root path of the API.
+        /// </summary>
+        protected readonly string _userApiPath = "_api/version";
+
+        /// <summary>
+        /// Creates an instance of <see cref="VersionApiClient"/>
+        /// using the provided transport layer and the default JSON serialization.
+        /// </summary>
+        /// <param name="client"></param>
+        public VersionApiClient(IApiClientTransport client)
+            : base(new JsonNetApiClientSerialization())
+        {
+            _client = client;
+        }
+
+        /// <summary>
+        /// Creates an instance of <see cref="VersionApiClient"/>
+        /// using the provided transport and serialization layers.
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="serializer"></param>
+        public VersionApiClient(IApiClientTransport client, IApiClientSerialization serializer)
+            : base(serializer)
+        {
+            _client = client;
+        }
+
+        /// <summary>
+        /// Gets the server version.
+        /// </summary>
+        /// <returns>Version information</returns>
+        public virtual async Task<VersionResponse> Version()
+        {
+            using (var response = await _client.GetAsync(_userApiPath))
+            {
+                if (response.IsSuccessStatusCode)
+                {
+                    var stream = await response.Content.ReadAsStreamAsync();
+                    return DeserializeJsonFromStream<VersionResponse>(stream);
+                }
+                throw await GetApiErrorException(response);
+            }
+        }
+    }
+}