private IEnumerable <LinkDto> CreateLinksForBrews(
BrewsResourceParameters brewsResourceParameters,
bool hasNext,
bool hasPrevious)
{
var links = new List <LinkDto>();
links.Add(
new LinkDto(CreateBrewResourceUri(
brewsResourceParameters, ETypeOfResourceUri.Current),
this.SELF,
this.GET));
if (hasNext)
{
links.Add(
new LinkDto(CreateBrewResourceUri(
brewsResourceParameters, ETypeOfResourceUri.NextPage),
this.NEXT_PAGE,
this.GET));
}
if (hasPrevious)
{
links.Add(
new LinkDto(CreateBrewResourceUri(
brewsResourceParameters, ETypeOfResourceUri.PreviousPage),
this.PREVIOUS_PAGE,
this.GET));
}
return(links);
}
public ActionResult <IEnumerable <BrewWithoutAdditionalInfoDto> > GetBrews(
[FromQuery] BrewsResourceParameters brewsResourceParameters,
[FromHeader(Name = ExtendedControllerBase.ACCEPT)] string mediaTypes)
{
if (!_propertyMappingService.ValidMappingExistsFor <BrewDto, Entities.Brew>
(brewsResourceParameters.OrderBy))
{
return(BadRequest());
}
var splitMediaTypes = mediaTypes.Split(',');
if (!MediaTypeHeaderValue.TryParseList(splitMediaTypes,
out IList <MediaTypeHeaderValue> parsedMediaTypes))
{
return(BadRequest());
}
var brews = _homebrewRepository.GetBrews(brewsResourceParameters);
var paginationMetaData = new
{
totalCount = brews.TotalCount,
pageSize = brews.PageSize,
currentPage = brews.CurrentPage,
totalPages = brews.TotalPages
};
Response.Headers.Add(this.PAGINATION_HEADER,
JsonSerializer.Serialize(paginationMetaData));
var shapedBrews = brewsResourceParameters.IncludeAdditionalInfo ?
_mapper.Map <IEnumerable <BrewDto> >(brews).ShapeData(null) :
_mapper.Map <IEnumerable <BrewWithoutAdditionalInfoDto> >(brews).ShapeData(null);
if (parsedMediaTypes.Any(pmt => pmt.SubTypeWithoutSuffix.EndsWith(this.HATEOAS, StringComparison.InvariantCultureIgnoreCase)))
{
var links = CreateLinksForBrews(brewsResourceParameters,
brews.HasNext,
brews.HasPrevious);
var shapedBrewsWithLinks = shapedBrews.Select(brew =>
{
var brewAsDictionary = brew as IDictionary <string, object>;
var brewLinks = CreateLinksForBrew((int)brewAsDictionary["Id"], false);
brewAsDictionary.Add(this.LINKS, brewLinks);
return(brewAsDictionary);
});
var linkedCollectionResource = new
{
value = shapedBrewsWithLinks,
links
};
return(Ok(linkedCollectionResource));
}
return(Ok(shapedBrews));
}
public PagedList <Brew> GetBrews(BrewsResourceParameters brewsResourceParameters)
{
if (brewsResourceParameters == null)
{
throw new ArgumentNullException(nameof(brewsResourceParameters));
}
var collection = _context.Brews as IQueryable <Brew>;
if (brewsResourceParameters.MinRating > 0)
{
collection = collection.Where(b => b.Rating >= brewsResourceParameters.MinRating);
}
if (brewsResourceParameters.IncludeAdditionalInfo)
{
collection = collection.Include(b => b.TastingNotes)
.Include(b => b.Recipe.Steps).ThenInclude(s => s.Ingredients)
.Include(b => b.Recipe.Steps).ThenInclude(s => s.Timer)
.Include(b => b.Recipe.WaterProfile).ThenInclude(wp => wp.Additions);
}
if (!string.IsNullOrWhiteSpace(brewsResourceParameters.SearchQuery))
{
var searchQuery = brewsResourceParameters.SearchQuery.Trim();
collection = collection.Where(b => b.Name.Contains(searchQuery) ||
b.BrewingNotes.Contains(searchQuery) ||
b.TastingNotes.Where(tn => tn.Note.Contains(searchQuery)).Any());
}
if (!string.IsNullOrWhiteSpace(brewsResourceParameters.OrderBy))
{
var brewPropertyMappingDictionary =
_propertyMappingService.GetPropertyMapping <Models.BrewDto, Brew>();
collection = collection.ApplySort(brewsResourceParameters.OrderBy,
brewPropertyMappingDictionary);
}
return(PagedList <Brew> .Create(collection,
brewsResourceParameters.PageNumber,
brewsResourceParameters.PageSize));
}
private string CreateBrewResourceUri(
BrewsResourceParameters brewsResourceParameters,
ETypeOfResourceUri type)
{
var linkProps = new ExpandoObject() as IDictionary <string, Object>;
if (brewsResourceParameters.MinRating > 0)
{
linkProps.Add("minRating", brewsResourceParameters.MinRating);
}
switch (type)
{
case ETypeOfResourceUri.PreviousPage:
linkProps.Add("orderBy", brewsResourceParameters.OrderBy);
linkProps.Add("pageNumber", brewsResourceParameters.PageNumber - 1);
linkProps.Add("pageSize", brewsResourceParameters.PageSize);
linkProps.Add("searchQuery", brewsResourceParameters.SearchQuery);
return(Url.Link("GetBrews", linkProps));
case ETypeOfResourceUri.NextPage:
linkProps.Add("orderBy", brewsResourceParameters.OrderBy);
linkProps.Add("pageNumber", brewsResourceParameters.PageNumber + 1);
linkProps.Add("pageSize", brewsResourceParameters.PageSize);
linkProps.Add("searchQuery", brewsResourceParameters.SearchQuery);
return(Url.Link("GetBrews", linkProps));
case ETypeOfResourceUri.Current:
default:
linkProps.Add("orderBy", brewsResourceParameters.OrderBy);
linkProps.Add("pageNumber", brewsResourceParameters.PageNumber);
linkProps.Add("pageSize", brewsResourceParameters.PageSize);
linkProps.Add("searchQuery", brewsResourceParameters.SearchQuery);
return(Url.Link("GetBrews", linkProps));
}
}
