private IQueryable <BD_Unit> CreateStandardsQuery(GetUnitsInput input)
{
var query = _unitRepository.GetAll()
.WhereIf(!input.UnitName.IsNullOrWhiteSpace(), item => item.UnitName.Contains(input.UnitName)) //公司名
.WhereIf(!input.Address.IsNullOrWhiteSpace(), item => item.Address.Contains(input.Address)) //地址
.WhereIf(!input.Email.IsNullOrWhiteSpace(), item => item.Email.Contains(input.Email))
.WhereIf(!input.Contact.IsNullOrWhiteSpace(), item => item.Contact.Contains(input.Contact)) //联系人
.WhereIf(!input.ContactTel.IsNullOrWhiteSpace(), item => item.ContactTel.Contains(input.ContactTel)); //联系人电话
return(query);
}
/// <summary>
/// 过滤，排序，分页 获取标准器列表
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public async Task <PagedResultDto <UnitListDto> > GetUnits(GetUnitsInput input)
{
var query = CreateStandardsQuery(input); //Step 01
var resultCount = await query.CountAsync(); //Step 02
var results = await query
.AsNoTracking()
.OrderBy(input.Sorting) /*Exp: using System.Linq.Dynamic;*/
.PageBy(input)
.ToListAsync();
var unitListDtos = results.MapTo <List <UnitListDto> >(); //Step 03
return(new PagedResultDto <UnitListDto>(resultCount, unitListDtos)); //Step 04
}