public OperationResult <PaginationList <Author> > GetAuthors(AuthorsQueryParamters queryParamters)
{
bool hasOrderBy = queryParamters.OrderBy != null;
bool hasSearchQuery = queryParamters.SearchQuery != null;
try
{
using (CourseLibraryContext context = new CourseLibraryContext(options))
{
var collection = context.Authors as IQueryable <Author>;
if (hasSearchQuery)
{
collection = collection.Where(a => a.FirstName.Contains(queryParamters.SearchQuery) ||
a.LastName.Contains(queryParamters.SearchQuery) ||
a.MainCategory.Contains(queryParamters.SearchQuery));
}
if (hasOrderBy)
{
string orderstring = filterationService.GetFiltrationString <AuthorDto, Author>(queryParamters.OrderBy);
collection = collection.OrderBy(orderstring);
}
logger.Info($"Request authors with query paramters : {queryParamters}");
//TODO add pagination here
PaginationList <Author> result = PaginationList <Author> .CreatePagination(collection, queryParamters.PageSize, queryParamters.PageNumber);
return(new SuccessOperationResult <PaginationList <Author> >
{
Result = result,
Code = ConstOperationCodes.SUCCESS_OPERATION
});
}
}
catch (Exception e)
{
logger.Error($"Error in Course library Service GetAuthors : {e}");
return(new FailedOperationResult <PaginationList <Author> >
{
Code = ConstOperationCodes.FAILED_OPERATION
});
}
}
public ActionResult <IEnumerable <AuthorDto> > GetAuthors([FromQuery] AuthorsQueryParamters queryParamters)
{
try
{
OperationResult <PaginationList <Author> > result = courseLibraryService.GetAuthors(queryParamters);
if (result.Success)
{
var successOperation = result as SuccessOperationResult <PaginationList <Author> >;
IEnumerable <AuthorDto> mappingResult = mapper.Map <IEnumerable <AuthorDto> >(successOperation.Result.ListData);
var paginationMetaData = new
{
totalCount = successOperation.Result.TotalCount,
totalPages = successOperation.Result.TotalPages,
currentPage = successOperation.Result.CurrentPage,
pageSize = successOperation.Result.PageSize
};
Response.Headers.Add("paginationMetaData", JsonConvert.SerializeObject(paginationMetaData));
var operationReturn = new SuccessOperationResult <IEnumerable <AuthorDto> >
{
Result = mappingResult,
Code = successOperation.Code,
};
return(Ok(operationReturn));
}
else
{
var failedOperation = result as FailedOperationResult <PaginationList <Author> >;
return(Ok(failedOperation));
}
}
catch (Exception ex)
{
loggerService.Error($"Error in Authors Controller GetAuthors {ex}");
return(StatusCode(StatusCodes.Status500InternalServerError));
}
}
