FileContextCore/Serializer/JSONSerializer.cs
using System;
using System.Collections.Generic;
using System.Linq;
using FileContextCore.Infrastructure.Internal;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata;
using Newtonsoft.Json.Linq;
namespace FileContextCore.Serializer
{
public class JSONSerializer : ISerializer
{
private IEntityType _entityType;
private object _keyValueFactory;
private string[] _propertyKeys;
private Type[] _typeList;
public void Initialize(IFileContextScopedOptions _, IEntityType entityType, object keyValueFactory)
{
_keyValueFactory = keyValueFactory;
_entityType = entityType;
_propertyKeys = _entityType.GetProperties().Select(p => p.GetColumnName()).ToArray();
_typeList = _entityType.GetProperties().Select(p => p.GetValueConverter()?.ProviderClrType ?? p.ClrType).ToArray();
}
public Dictionary<TKey, object[]> Deserialize<TKey>(string list, Dictionary<TKey, object[]> newList)
{
if(list != String.Empty)
{
JArray array = JArray.Parse(list);
foreach (var jToken in array)
{
var json = (JObject) jToken;
List<object> value = new List<object>();
for (int i = 0; i < _propertyKeys.Length; i++)
{
object val = json.Value<string>(_propertyKeys[i]).Deserialize(_typeList[i]);
value.Add(val);
}
TKey key = SerializerHelper.GetKey<TKey>(_keyValueFactory, _entityType,
propertyName => json.Value<string>(propertyName));
newList.Add(key, value.ToArray());
}
}
return newList;
}
public string Serialize<TKey>(Dictionary<TKey, object[]> list)
{
JArray array = new JArray();
foreach(KeyValuePair<TKey, object[]> val in list)
{
JObject json = new JObject();
for (int i = 0; i < _propertyKeys.Length; i++)
{
JProperty property = new JProperty(_propertyKeys[i], val.Value[i].Serialize());
json.Add(property);
}
array.Add(json);
}
return array.ToString();
}
public string FileType => "json";
}
}