Implements #147 - Supports Rpc specifying a generic type for its return.

Author: acupofjose

Postgrest/Client.cs

@@ -104,6 +104,14 @@ public IPostgrestTableWithCache<T> Table<T>(IPostgrestCacheProvider cacheProvide
             };
 
 
+        /// <inheritdoc />
+        public async Task<TModeledResponse?> Rpc<TModeledResponse>(string procedureName, object? parameters = null)
+        {
+            var response = await Rpc(procedureName, parameters);
+
+            return string.IsNullOrEmpty(response.Content) ? default : JsonConvert.DeserializeObject<TModeledResponse>(response.Content!);
+        }
+
         /// <inheritdoc />
         public Task<BaseResponse> Rpc(string procedureName, object? parameters = null)
         {

Postgrest/Interfaces/IPostgrestClient.cs

@@ -62,6 +62,15 @@ public interface IPostgrestClient : IGettableHeaders
         /// <returns></returns>
         Task<BaseResponse> Rpc(string procedureName, object? parameters);
 
+        /// <summary>
+        /// Perform a stored procedure call.
+        /// </summary>
+        /// <param name="procedureName">The function name to call</param>
+        /// <param name="parameters">The parameters to pass to the function call</param>
+        /// <typeparam name="TModeledResponse">A type used for hydrating the HTTP response content (hydration through JSON.NET)</typeparam>
+        /// <returns>A hydrated model</returns>
+        Task<TModeledResponse?> Rpc<TModeledResponse>(string procedureName, object? parameters = null);
+
         /// <summary>
         /// Returns a Table Query Builder instance for a defined model - representative of `USE $TABLE`
         /// </summary>