public IHttpActionResult FindNewsItem(int id)
{
//Find the data
NewsItem NewsItem = db.NewsItems.Find(id);
//if not found, return 404 status code.
if (NewsItem == null)
{
return(NotFound());
}
//An easy to access entry into the Hop information, safely through the DTO
NewsItemDto NewsItemDto = new NewsItemDto
{
NewsItemID = NewsItem.NewsItemID,
Title = NewsItem.Title,
NewsBody = NewsItem.NewsBody,
NewItemDate = NewsItem.NewItemDate,
NewsItemHasPic = NewsItem.NewsItemHasPic,
NewsItemPicExtension = NewsItem.NewsItemPicExtension,
UserID = NewsItem.UserID
};
//pass along data as 200 status code OK response
return(Ok(NewsItemDto));
}
public ActionResult DeleteConfirm(int id)
{
string url = "NewsItemData/FindNewsItem/" + id;
HttpResponseMessage response = client.GetAsync(url).Result;
if (response.IsSuccessStatusCode)
{
//Put data into Hop data transfer object
NewsItemDto SelectedNewsItem = response.Content.ReadAsAsync <NewsItemDto>().Result;
return(View(SelectedNewsItem));
}
else
{
return(RedirectToAction("Error"));
}
}
//allows the view to find the specific news item to be edited
public ActionResult Edit(int id)
{
UpdateNewsItem ViewModel = new UpdateNewsItem();
string url = "NewsItemData/FindNewsItem/" + id;
HttpResponseMessage response = client.GetAsync(url).Result;
if (response.IsSuccessStatusCode)
{
//Put data into newsitem data transfer object
NewsItemDto SelectedNewsItem = response.Content.ReadAsAsync <NewsItemDto>().Result;
ViewModel.newsItem = SelectedNewsItem;
return(View(ViewModel));
}
else
{
return(RedirectToAction("Error"));
}
}
private NewsItemDto referenceLightItem(NewsItemDto item)
{
JObject tmpObj = new JObject();
// get all news items authors
List <NewsAuthorRelation> authourRelList =
_relationService.getAutherNewsRelationByNewsId(item.Id);
// get all news items categories
List <NewsCategoryRelation> categoryRelList =
_relationService.getNewsCateoryRelationByNewsId(item.Id);
tmpObj.TryAdd("href", "api/" + item.Id);
item.addReference("self", tmpObj);
item.addReference("edit", tmpObj);
item.addReference("delete", tmpObj);
List <JObject> aObjList = new List <JObject>();
foreach (NewsAuthorRelation aItem in authourRelList)
{
JObject authorObject = new JObject();
authorObject.TryAdd("href", "api/authors/" + aItem.authorId);
aObjList.Add(authorObject);
}
item.addReference("authors", aObjList);
List <JObject> cObjList = new List <JObject>();
foreach (NewsCategoryRelation cItem in categoryRelList)
{
JObject catObject = new JObject();
catObject.TryAdd("href", "api/categories/" + cItem.categoryId);
cObjList.Add(catObject);
}
item.addReference("categories", cObjList);
return(item);
}
public void AddReferenceLinks(NewsItemDto newsItem)
{
//Constructing an object to hold the reference to self
ExpandoObject newLink = new ExpandoObject();
//Setting references for self, edit and href
newLink.AddReference("href", $"api/{newsItem.Id}");
newsItem.Links.AddReference("self", newLink);
newsItem.Links.AddReference("edit", newLink);
newsItem.Links.AddReference("delete", newLink);
//Constructing an object to hold the reference to the author of the newsItem
ExpandoObject authorLink = new ExpandoObject();
authorLink.AddReference("href", $"api/categories/{newsItem.AuthorId}");
newsItem.Links.AddReference("author", authorLink);
//Constructing an object to hold the reference to the category of the newsItem
ExpandoObject categoryLink = new ExpandoObject();
categoryLink.AddReference("href", $"api/categories/{newsItem.CategoryId}");
newsItem.Links.AddReference("category", categoryLink);
}
//Gets the specified details of an individual news item
public ActionResult Details(int id)
{
//instantiates the ShowNEwsITem viewmodle
ShowNewsItem ViewModel = new ShowNewsItem();
string url = "NewsItemData/FindNewsItem/" + id;
HttpResponseMessage response = client.GetAsync(url).Result;
if (response.IsSuccessStatusCode)
{
//Finds the info for one specific news item through the dto
NewsItemDto SelectedNewsItem = response.Content.ReadAsAsync <NewsItemDto>().Result;
ViewModel.newsItem = SelectedNewsItem;
return(View(ViewModel));
}
else
{
return(RedirectToAction("Error"));
}
}
public IHttpActionResult GetNewsItems()
{
List <NewsItem> NewsItems = db.NewsItems.ToList();
List <NewsItemDto> NewsItemDtos = new List <NewsItemDto> {
};
foreach (var NewsItem in NewsItems)
{
NewsItemDto NewNewsItem = new NewsItemDto
{
NewsItemID = NewsItem.NewsItemID,
Title = NewsItem.Title,
NewsBody = NewsItem.NewsBody,
NewItemDate = NewsItem.NewItemDate,
NewsItemHasPic = NewsItem.NewsItemHasPic,
NewsItemPicExtension = NewsItem.NewsItemPicExtension,
UserID = NewsItem.UserID
};
NewsItemDtos.Add(NewNewsItem);
}
return(Ok(NewsItemDtos));
}
public List <NewsItemDto> GetAllNewsByAuthorId(int id)
{
var resultList = new List <NewsItemDto>();
var listOfNewsItemsIds = DataProvider.NewsItemsAuthors.Where(x => x.AuthorId == id);
foreach (var auth in listOfNewsItemsIds)
{
var entityDto = DataProvider.NewsItems.FirstOrDefault(r => r.Id == auth.NewsItemId);
if (entityDto != null)
{
var entity = new NewsItemDto()
{
Id = entityDto.Id,
Title = entityDto.Title,
ImgSource = entityDto.ImgSource,
ShortDescription = entityDto.ShortDescription
};
resultList.Add(entity);
}
}
;
return(resultList);
}
/// <summary>
/// Adds correct HATEOAS link references to News Item hypermedia model
/// </summary>
/// <param name="HyperMediaModel">Hypermedia model of type News Item to add references to</param>
/// <param name="Id">Id of author news item to add reference to</param>
public static void AddReferences(this NewsItemDto item, int Id, IEnumerable <NewsItemCategoryRelation> categoryRelations, IEnumerable <AuthorNewsItemRelation> authorRelations)
{
item.AddNewsItemReferences(Id, categoryRelations, authorRelations);
}