private IEnumerable <LinkDto> CreateLinksForTastingNotes(
TastingNotesResourceParameters tastingNotesResourceParameters,
bool hasNext,
bool hasPrevious)
{
var links = new List <LinkDto>();
links.Add(
new LinkDto(CreateTastingNotesResourceUri(
tastingNotesResourceParameters, ETypeOfResourceUri.Current),
this.SELF,
this.GET));
if (hasNext)
{
links.Add(
new LinkDto(CreateTastingNotesResourceUri(
tastingNotesResourceParameters, ETypeOfResourceUri.NextPage),
this.NEXT_PAGE,
this.GET));
}
if (hasPrevious)
{
links.Add(
new LinkDto(CreateTastingNotesResourceUri(
tastingNotesResourceParameters, ETypeOfResourceUri.PreviousPage),
this.PREVIOUS_PAGE,
this.GET));
}
return(links);
}
private string CreateTastingNotesResourceUri(
TastingNotesResourceParameters tastingNotesResourceParameters,
ETypeOfResourceUri type)
{
var linkProps = new ExpandoObject() as IDictionary <string, Object>;
switch (type)
{
case ETypeOfResourceUri.PreviousPage:
linkProps.Add("orderBy", tastingNotesResourceParameters.OrderBy);
linkProps.Add("pageNumber", tastingNotesResourceParameters.PageNumber - 1);
linkProps.Add("pageSize", tastingNotesResourceParameters.PageSize);
linkProps.Add("searchQuery", tastingNotesResourceParameters.SearchQuery);
return(Url.Link("GetTastingNotes", linkProps));
case ETypeOfResourceUri.NextPage:
linkProps.Add("orderBy", tastingNotesResourceParameters.OrderBy);
linkProps.Add("pageNumber", tastingNotesResourceParameters.PageNumber + 1);
linkProps.Add("pageSize", tastingNotesResourceParameters.PageSize);
linkProps.Add("searchQuery", tastingNotesResourceParameters.SearchQuery);
return(Url.Link("GetTastingNotes", linkProps));
case ETypeOfResourceUri.Current:
default:
linkProps.Add("orderBy", tastingNotesResourceParameters.OrderBy);
linkProps.Add("pageNumber", tastingNotesResourceParameters.PageNumber);
linkProps.Add("pageSize", tastingNotesResourceParameters.PageSize);
linkProps.Add("searchQuery", tastingNotesResourceParameters.SearchQuery);
return(Url.Link("GetTastingNotes", linkProps));
}
}
public PagedList <TastingNote> GetTastingNotes(TastingNotesResourceParameters tastingNotesResourceParameters)
{
if (tastingNotesResourceParameters == null)
{
throw new ArgumentNullException(nameof(tastingNotesResourceParameters));
}
var collection = _context.TastingNotes as IQueryable <TastingNote>;
if (tastingNotesResourceParameters.BrewId != TastingNotesResourceParameters.INVALID_BREW_ID)
{
collection = collection.Where(tn => tn.BrewID == tastingNotesResourceParameters.BrewId);
}
if (!string.IsNullOrWhiteSpace(tastingNotesResourceParameters.SearchQuery))
{
var searchQuery = tastingNotesResourceParameters.SearchQuery.Trim();
collection = collection.Where(b => b.Note.Contains(searchQuery));
}
if (!string.IsNullOrWhiteSpace(tastingNotesResourceParameters.OrderBy))
{
var tastingNotePropertyMappingDictionary =
_propertyMappingService.GetPropertyMapping <Models.TastingNoteDto, TastingNote>();
collection = collection.ApplySort(tastingNotesResourceParameters.OrderBy,
tastingNotePropertyMappingDictionary);
}
return(PagedList <TastingNote> .Create(collection,
tastingNotesResourceParameters.PageNumber,
tastingNotesResourceParameters.PageSize));
}
public ActionResult <IEnumerable <TastingNoteDto> > GetTastingNotes(
int brewId,
[FromQuery] TastingNotesResourceParameters tastingNotesResourceParameters,
[FromHeader(Name = ExtendedControllerBase.ACCEPT)] string mediaTypes)
{
if (!_propertyMappingService.ValidMappingExistsFor <TastingNoteDto, Entities.TastingNote>
(tastingNotesResourceParameters.OrderBy))
{
return(BadRequest());
}
var splitMediaTypes = mediaTypes.Split(',');
if (!MediaTypeHeaderValue.TryParseList(splitMediaTypes,
out IList <MediaTypeHeaderValue> parsedMediaTypes))
{
return(BadRequest());
}
tastingNotesResourceParameters.BrewId = brewId;
var tastingNotes = _homebrewRepository.GetTastingNotes(tastingNotesResourceParameters);
var paginationMetaData = new
{
totalCount = tastingNotes.TotalCount,
pageSize = tastingNotes.PageSize,
currentPage = tastingNotes.CurrentPage,
totalPages = tastingNotes.TotalPages
};
Response.Headers.Add(this.PAGINATION_HEADER,
JsonSerializer.Serialize(paginationMetaData));
var shapedTastingNotes = _mapper.Map <IEnumerable <TastingNoteDto> >(tastingNotes)
.ShapeData(null);
if (parsedMediaTypes.Any(pmt => pmt.SubTypeWithoutSuffix.EndsWith(this.HATEOAS, StringComparison.InvariantCultureIgnoreCase)))
{
var links = CreateLinksForTastingNotes(tastingNotesResourceParameters,
tastingNotes.HasNext,
tastingNotes.HasPrevious);
var shapedTastingNotesWithLinks = shapedTastingNotes.Select(tastingNote =>
{
var tastingNoteAsDictionary = tastingNote as IDictionary <string, object>;
var tastingNoteLinks = CreateLinksForTastingNote(brewId, (int)tastingNoteAsDictionary["Id"]);
tastingNoteAsDictionary.Add(this.LINKS, tastingNoteLinks);
return(tastingNoteAsDictionary);
});
var linkedCollectionResource = new
{
value = shapedTastingNotesWithLinks,
links
};
return(Ok(linkedCollectionResource));
}
return(Ok(shapedTastingNotes));
}
