/// <summary>
/// Сохранить все настройки
/// </summary>
/// <param name="repository"></param>
public virtual async Task Save(IRepository <SettingEntity> repository)
{
var spec = new SettingsBaseSpecification(_name);
// 5 load existing settings for this type
var settings = await repository.GetAsync(spec);
foreach (var propertyInfo in _properties)
{
var propertyValue = propertyInfo.GetValue(this, null);
var value = propertyInfo.PropertyType.Name switch
{
"IEnumerable`1" => JsonConvert.SerializeObject(propertyValue),
"DateTime" => Convert.ToDateTime(propertyValue).ToString("s"),
_ => propertyValue?.ToString() ?? string.Empty,
};
var setting = settings.SingleOrDefault(s => s.Name == propertyInfo.Name);
if (setting != null)
{
// 6 update existing value
setting.Value = value;
await repository.UpdateAsync(setting);
}
else
{
// 7 create new setting
var newSetting = new SettingEntity
{
Name = propertyInfo.Name,
Type = _name,
Value = value,
};
await repository.CreateAsync(newSetting);
}
}
}
/// <summary>
/// Загрузить настройки.
/// </summary>
/// <param name="repository"></param>
public virtual async Task Load(IRepository <SettingEntity> repository)
{
var spec = new SettingsBaseSpecification(_name);
// ARGUMENT CHECKING SKIPPED FOR BREVITY
// 3 get settings for this type name
var settings = await repository.GetAsync(spec);
foreach (var propertyInfo in _properties)
{
// get the setting from the settings list
var setting = settings.SingleOrDefault(s => s.Name == propertyInfo.Name);
if (setting != null)
{
if (!propertyInfo.CanWrite)
{
continue;
}
switch (propertyInfo.PropertyType.Name)
{
case "IEnumerable`1":
var type = typeof(List <>).MakeGenericType(propertyInfo.PropertyType.GenericTypeArguments[0]);
propertyInfo.SetValue(this, string.IsNullOrWhiteSpace(setting.Value) ? null : JsonConvert.DeserializeObject(setting.Value, type));
break;
case "Nullable`1":
propertyInfo.SetValue(this,
string.IsNullOrWhiteSpace(setting.Value)
? null
: Convert.ChangeType(setting.Value,
propertyInfo.PropertyType.GenericTypeArguments[0]));
break;
default:
// 4 assign the setting values to the properties in the type inheriting this class
propertyInfo.SetValue(this, Convert.ChangeType(setting.Value, propertyInfo.PropertyType));
break;
}
}
}
}
