public async Task <int> Count(TownFilter townFilter)
{
IQueryable <TownDAO> townDAOs = context.Town;
townDAOs = DynamicFilter(townDAOs, townFilter);
return(await townDAOs.CountAsync());
}
public async Task <List <TownDTO> > ListTown([FromBody] TownFilterDTO townFilterDTO)
{
TownFilter townFilter = new TownFilter
{
Code = new StringFilter {
StartWith = townFilterDTO.Code
},
Name = new StringFilter {
StartWith = townFilterDTO.Name
},
DistrictId = townFilterDTO.DistrictId,
Skip = townFilterDTO.Skip,
Take = int.MaxValue,
OrderBy = TownOrder.Name,
OrderType = OrderType.ASC
};
var listTown = await TownService.List(townFilter);
if (listTown == null)
{
return(null);
}
return(listTown.Select(t => new TownDTO
{
Id = t.Id,
Code = t.Code,
Name = t.Name,
DistrictId = t.DistrictId
}).ToList());
}
public async Task <List <Town> > List(TownFilter townFilter)
{
if (townFilter == null)
{
return(new List <Town>());
}
IQueryable <TownDAO> townDAOs = context.Town;
townDAOs = DynamicFilter(townDAOs, townFilter);
townDAOs = DynamicOrder(townDAOs, townFilter);
var towns = await DynamicSelect(townDAOs);
return(towns);
}
private IQueryable <TownDAO> DynamicOrder(IQueryable <TownDAO> query, TownFilter townFilter)
{
switch (townFilter.OrderType)
{
case OrderType.ASC:
switch (townFilter.OrderBy)
{
case TownOrder.Code:
query = query.OrderBy(q => q.Code);
break;
case TownOrder.Name:
query = query.OrderBy(q => q.Name);
break;
default:
query = query.OrderBy(q => q.Id);
break;
}
break;
case OrderType.DESC:
switch (townFilter.OrderBy)
{
case TownOrder.Code:
query = query.OrderByDescending(q => q.Code);
break;
case TownOrder.Name:
query = query.OrderByDescending(q => q.Name);
break;
default:
query = query.OrderByDescending(q => q.Id);
break;
}
break;
default:
query = query.OrderBy(q => q.Id);
break;
}
query = query.Skip(townFilter.Skip).Take(townFilter.Take);
return(query);
}
private IQueryable <TownDAO> DynamicFilter(IQueryable <TownDAO> query, TownFilter townFilter)
{
if (townFilter == null)
{
return(query.Where(q => 1 == 0));
}
query = query.Where(q => q.DistrictId == townFilter.DistrictId);
if (townFilter.Id != null)
{
query = query.Where(q => q.Id, townFilter.Id);
}
if (townFilter.Name != null)
{
query = query.Where(q => q.Name, townFilter.Name);
}
if (townFilter.Code != null)
{
query = query.Where(q => q.Code, townFilter.Code);
}
return(query);
}
public async Task <List <Town> > List(TownFilter townFilter)
{
return(await UOW.TownRepository.List(townFilter));
}
