chore: import upstream snapshot with attribution

2026-07-13 13:02:50 +08:00
commit 0fc60fdcb1
5008 changed files with 910633 additions and 0 deletions
@@ -0,0 +1,109 @@
+/*
+ * QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
+ * Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
+using System;
+using System.Collections.Generic;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+
+namespace QuantConnect.Api.Serialization
+{
+    /// <summary>
+    /// Provides an implementation of <see cref="JsonConverter"/> that can deserialize <see cref="Product"/>
+    /// </summary>
+    public class ProductJsonConverter : JsonConverter
+    {
+        private Dictionary<string, ProductType> _productTypeMap = new Dictionary<string, ProductType>()
+        {
+            {"Professional Seats", ProductType.ProfessionalSeats},
+            {"Backtest Node", ProductType.BacktestNode},
+            {"Research Node", ProductType.ResearchNode},
+            {"Live Trading Node", ProductType.LiveNode},
+            {"Support", ProductType.Support},
+            {"Data", ProductType.Data},
+            {"Modules", ProductType.Modules}
+        };
+
+        /// <summary>
+        /// Gets a value indicating whether this <see cref="JsonConverter"/> can write JSON.
+        /// </summary>
+        /// <value>
+        /// <c>true</c> if this <see cref="JsonConverter"/> can write JSON; otherwise, <c>false</c>.
+        /// </value>
+        public override bool CanWrite => false;
+
+        /// <summary>
+        /// Determines whether this instance can convert the specified object type.
+        /// </summary>
+        /// <param name="objectType">Type of the object.</param>
+        /// <returns>
+        /// <c>true</c> if this instance can convert the specified object type; otherwise, <c>false</c>.
+        /// </returns>
+        public override bool CanConvert(Type objectType)
+        {
+            return objectType == typeof(Product);
+        }
+
+        /// <summary>
+        /// Writes the JSON representation of the object.
+        /// </summary>
+        /// <param name="writer">The <see cref="JsonWriter"/> to write to.</param><param name="value">The value.</param><param name="serializer">The calling serializer.</param>
+        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
+        {
+            throw new NotImplementedException("The OrderJsonConverter does not implement a WriteJson method;.");
+        }
+
+        /// <summary>
+        /// Reads the JSON representation of the object.
+        /// </summary>
+        /// <param name="reader">The <see cref="JsonReader"/> to read from.</param><param name="objectType">Type of the object.</param><param name="existingValue">The existing value of object being read.</param><param name="serializer">The calling serializer.</param>
+        /// <returns>
+        /// The object value.
+        /// </returns>
+        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
+        {
+            var jObject = JObject.Load(reader);
+
+            var result = CreateProductFromJObject(jObject);
+
+            return result;
+        }
+
+        /// <summary>
+        /// Create an order from a simple JObject
+        /// </summary>
+        /// <param name="jObject"></param>
+        /// <returns>Order Object</returns>
+        public Product CreateProductFromJObject(JObject jObject)
+        {
+            if (jObject == null)
+            {
+                return null;
+            }
+
+            var productTypeName = jObject["name"].Value<string>();
+            if (!_productTypeMap.ContainsKey(productTypeName))
+            {
+                return null;
+            }
+
+            return new Product
+            {
+                Type = _productTypeMap[productTypeName],
+                Items = jObject["items"].ToObject<List<ProductItem>>()
+            };
+        }
+    }
+}