namespace Admin.NET.Core.Service;
///
/// 系统常量服务
///
[ApiDescriptionSettings(Order = 280)]
[AllowAnonymous]
public class SysConstService : IDynamicApiController, ITransient
{
private readonly SysCacheService _sysCacheService;
public SysConstService(SysCacheService sysCacheService)
{
_sysCacheService = sysCacheService;
}
///
/// 获取所有常量列表
///
///
[DisplayName("获取所有常量列表")]
public async Task> GetList()
{
var key = $"{CacheConst.KeyConst}list";
var constlist = _sysCacheService.Get>(key);
if (constlist == null)
{
var typeList = GetConstAttributeList();
constlist = typeList.Select(x => new ConstOutput
{
Name = x.CustomAttributes.ToList().FirstOrDefault()?.ConstructorArguments.ToList().FirstOrDefault().Value?.ToString() ?? x.Name,
Code = x.Name,
Data = GetData(Convert.ToString(x.Name))
}).ToList();
_sysCacheService.Set(key, constlist);
}
return await Task.FromResult(constlist);
}
///
/// 根据类名获取常量数据
///
///
///
[DisplayName("根据类名获取常量数据")]
public async Task> GetData([Required] string typeName)
{
var key = $"{CacheConst.KeyConst}{typeName.ToUpper()}";
var constlist = _sysCacheService.Get>(key);
if (constlist == null)
{
var typeList = GetConstAttributeList();
var type = typeList.FirstOrDefault(x => x.Name == typeName);
var isEnum = type.BaseType.Name == "Enum";
constlist = type.GetFields()?
.Where(isEnum, x => x.FieldType.Name == typeName)
.Select(x => new ConstOutput
{
Name = x.Name,
Code = isEnum ? (int)x.GetValue(BindingFlags.Instance) : x.GetValue(BindingFlags.Instance)
}).ToList();
_sysCacheService.Set(key, constlist);
}
return await Task.FromResult(constlist);
}
///
/// 获取常量特性类型列表
///
///
private List GetConstAttributeList()
{
return AppDomain.CurrentDomain.GetAssemblies().SelectMany(x => x.GetTypes())
.Where(x => x.CustomAttributes.Any(y => y.AttributeType == typeof(ConstAttribute))).ToList();
}
}