public ProjectQueryDTOValidator(IPropertyMappingContainer propertyMappingContainer, ITypeHelperService typeHelperService)
{
RuleFor(e => e.OrderBy).Must(order => propertyMappingContainer.ValidMappingExistsFor <ProductDTO, Product>(order))
.WithMessage("Can't find the fields in {PropertyName} for sorting.");
RuleFor(e => e.Fields).Must(fields => typeHelperService.TypeHasProperties <ProductDTO>(fields))
.WithMessage("Can't find the fields in {PropertyName} on DTO.");
}
public async Task <IActionResult> GetProducts(ResourceParameter parameter)
{
log.Info("获取所有的产品list");
List <Product> products = new List <Product>();
var query = products.AsQueryable();
int count = 0;
try {
if (!_propertyMappingContainer.ValidMappingExistsFor <ResourceParameter, Product>(parameter.OrderBy))
{
return(BadRequest("找不到要排序的字段"));
}
ProductWebApiContext productWebApiContext = new ProductWebApiContext(conn.DefaultConnection);
var propertiesMap = new Dictionary <string, Expression <Func <Product, object> > >
{
{ "Id", p => p.Id },
{ "Name", p => p.Name },
{ "Price", p => p.Price }
};
if (!string.IsNullOrEmpty(parameter.Name))
{
query = (from p in productWebApiContext.Product where p.Name.Contains(parameter.Name) select p)
.AsQueryable();
count = await(from p in productWebApiContext.Product where p.Name.Contains(parameter.Name) select p).CountAsync();
}
else
{
query = (from p in productWebApiContext.Product select p)
.AsQueryable();
count = await(from p in productWebApiContext.Product select p).CountAsync();
}
query = query.ApplySort(parameter.OrderBy, _propertyMappingContainer.Resolve <ResourceParameter, Product>());
products = query.Skip(parameter.PageIndex * parameter.PageSize).Take(parameter.PageSize).ToList();
var returnlist = new PaginatedList <Product>(parameter.PageIndex, parameter.PageSize, count, products);
var preLink = returnlist.HasPrevious
? new CreateProductResourceUrl(_urlHelper).CreateResouceUrl(parameter, PaginationResourceUriType.PreviousPage,
"GetProducts"):null;
var nextLink = returnlist.HasNext
? new CreateProductResourceUrl(_urlHelper).CreateResouceUrl(parameter, PaginationResourceUriType.NextPage,
"GetProducts") : null;
var mata = new
{
returnlist.TotalItemsCount,
returnlist.PaginationBase.PageSize,
returnlist.PaginationBase.PageIndex,
returnlist.PageCount,
preLink,
nextLink
};
Response.Headers.Add("X-Pagination", JsonConvert.SerializeObject(mata));
}
catch (Exception e) {
log.Error(e);
}
return(Ok(products));
}
public async Task <IActionResult> GetCountries(CountryDtoParamters countryDtoParamters, [FromHeader(Name = "Accept")] string mediaType)
{
if (!_propertyMappingContainer.ValidMappingExistsFor <CountryDto, Country>(countryDtoParamters.OrderBy))
{
return(BadRequest("Can't find the fields for sorting"));
}
if (!_typeHelperService.TypeHasProperties <CountryDto>(countryDtoParamters.Fields))
{
return(BadRequest("Can't find the fields on Resource."));
}
var pagedList = await _countryRepository.GetCountriesAsync(countryDtoParamters);
var countryDto = _mapper.Map <List <CountryDto> >(pagedList);
return(Ok());
}
public async Task <IActionResult> GetCountries(CountryResourceParameters countryResourceParameters,
[FromHeader(Name = "Accept")] string mediaType)
{
foreach (var claim in User.Claims)
{
Console.WriteLine(claim.Type + ", " + claim.Value);
}
if (!_propertyMappingContainer.ValidMappingExistsFor <CountryResource, Country>(countryResourceParameters.OrderBy))
{
return(BadRequest("Can't find the fields for sorting."));
}
if (!_typeHelperService.TypeHasProperties <CountryResource>(countryResourceParameters.Fields))
{
return(BadRequest("Can't find the fields on Resource."));
}
var pagedList = await _countryRepository.GetCountriesAsync(countryResourceParameters);
var countryResources = _mapper.Map <List <CountryResource> >(pagedList);
if (mediaType == "application/vnd.solenovex.hateoas+json")
{
var meta = new
{
pagedList.TotalItemsCount,
pagedList.PaginationBase.PageSize,
pagedList.PaginationBase.PageIndex,
pagedList.PageCount
};
Response.Headers.Add("X-Pagination", JsonConvert.SerializeObject(meta, new JsonSerializerSettings
{
ContractResolver = new CamelCasePropertyNamesContractResolver()
}));
var links = CreateLinksForCountries(countryResourceParameters, pagedList.HasPrevious, pagedList.HasNext);
var shapedResources = countryResources.ToDynamicIEnumerable(countryResourceParameters.Fields);
var shapedResourcesWithLinks = shapedResources.Select(country =>
{
var countryDict = country as IDictionary <string, object>;
var countryLinks = CreateLinksForCountry((int)countryDict["Id"], countryResourceParameters.Fields);
countryDict.Add("links", countryLinks);
return(countryDict);
});
var linkedCountries = new
{
value = shapedResourcesWithLinks,
links
};
return(Ok(linkedCountries));
}
else
{
var previousPageLink = pagedList.HasPrevious ?
CreateCountryUri(countryResourceParameters,
PaginationResourceUriType.PreviousPage) : null;
var nextPageLink = pagedList.HasNext ?
CreateCountryUri(countryResourceParameters,
PaginationResourceUriType.NextPage) : null;
var meta = new
{
pagedList.TotalItemsCount,
pagedList.PaginationBase.PageSize,
pagedList.PaginationBase.PageIndex,
pagedList.PageCount,
previousPageLink,
nextPageLink
};
Response.Headers.Add("X-Pagination", JsonConvert.SerializeObject(meta, new JsonSerializerSettings
{
ContractResolver = new CamelCasePropertyNamesContractResolver()
}));
return(Ok(countryResources.ToDynamicIEnumerable(countryResourceParameters.Fields)));
}
}
