Files
raven/server/AyaNova/biz/BizObjectExistsInDatabase.cs
2020-03-17 18:13:46 +00:00

63 lines
1.9 KiB
C#

using System.Threading.Tasks;
using Microsoft.EntityFrameworkCore;
using AyaNova.Util;
using AyaNova.Models;
namespace AyaNova.Biz
{
//THIS IS USED BY THE ATTACHMENT CONTROLLER
//IN THEORY WE ONLY NEED TO CHECK FOR ATTACHABLE TYPES, BUT I CAN SEE IT'S POTENTIAL USEFULNESS DOWN THE ROAD FOR OTHER THINGS
internal static class BizObjectExistsInDatabase
{
//THIS IS THE METHOD CALLED BY THE ATTACHMENT CONTROLLER
internal static async Task<bool> ExistsAsync(AyaTypeId tid)
{
return await ExistsAsync(tid.ObjectType, tid.ObjectId);
}
//Returns existance status of object type and id specified in database
internal static async Task<bool> ExistsAsync(AyaType aytype, long id, AyContext ct = null)
{
//new up a context??
if (ct == null)
{
ct = ServiceProviderProvider.DBContext;
}
switch (aytype)
{
//CoreBizObject add here
case AyaType.User:
return await ct.User.AnyAsync(m => m.Id == id);
case AyaType.Widget:
return await ct.Widget.AnyAsync(m => m.Id == id);
case AyaType.FileAttachment:
return await ct.FileAttachment.AnyAsync(m => m.Id == id);
case AyaType.DataListView:
return await ct.DataListView.AnyAsync(m => m.Id == id);
case AyaType.FormCustom:
return await ct.FormCustom.AnyAsync(m => m.Id == id);
default:
throw new System.NotSupportedException($"AyaNova.Biz.BizObjectExistsInDatabase::ExistsAsync type {aytype.ToString()} is not supported");
}
}
/////////////////////////////////////////////////////////////////////
}//eoc
}//eons