public ActionResult <IEnumerable <CountDTO> > SourceCount([FromQuery] SearchByDateDTO searchByDate)
{
if (searchByDate.EndingDate != null && searchByDate.StartingDate != null)
{
DateTime startDate;
DateTime endDate;
if (!DateTime.TryParse(searchByDate.StartingDate, out startDate))
{
return(BadRequest("StartingDate tarih formatında değil"));
}
else if (!DateTime.TryParse(searchByDate.EndingDate, out endDate))
{
return(BadRequest("EndingDate tarih formatında değil"));
}
if (startDate >= endDate)
{
return(BadRequest("StartingDate, EndingDate tarihinden ileri bir tarih olamaz"));
}
}
var sourceCount = _dbContext.Sources
.Count();
if (sourceCount == 0)
{
return(NotFound());
}
return(Ok(sourceCount));
}
public ActionResult <IEnumerable <CountDTO> > NewsCount([FromQuery] SearchByDateDTO searchByDate)
{
var query = _dbContext.News.Where(x => x.NewsKeywords.Count > 0).AsQueryable();
if (searchByDate.EndingDate != null && searchByDate.StartingDate != null)
{
DateTime startDate;
DateTime endDate;
if (!DateTime.TryParse(searchByDate.StartingDate, out startDate))
{
return(BadRequest("StartingDate tarih formatında değil"));
}
else if (!DateTime.TryParse(searchByDate.EndingDate, out endDate))
{
return(BadRequest("EndingDate tarih formatında değil"));
}
if (startDate >= endDate)
{
return(BadRequest("StartingDate, EndingDate tarihinden ileri bir tarih olamaz"));
}
query = query.Where(c => c.NewsDate >= startDate && c.NewsDate < endDate);
}
var newsCount = query.Count();
if (newsCount == 0)
{
return(NotFound());
}
return(Ok(new Response <int>(newsCount)));
}
public ActionResult <IEnumerable <GraphDTO> > NewsCountBySource([FromQuery] SearchByDateDTO searchByDate)
{
DateTime startDate;
DateTime endDate;
var query = _dbContext.News.AsQueryable();
if (searchByDate.StartingDate != null || searchByDate.StartingDate != null)
{
if (!DateTime.TryParse(searchByDate.StartingDate, out startDate))
{
return(BadRequest("StartingDate tarih formatında değil"));
}
else if (!DateTime.TryParse(searchByDate.EndingDate, out endDate))
{
return(BadRequest("EndingDate tarih formatında değil"));
}
if (startDate >= endDate)
{
return(BadRequest("StartingDate, EndingDate tarihinden ileri bir tarih olamaz"));
}
query = query.Where(c => c.NewsDate >= startDate && c.NewsDate < endDate);
}
var getNewsCountBySource = query.Where(x => x.NewsKeywords.Count > 0)
.GroupBy(x => new { x.SourceId })
.Select(c => new GraphDTO
{
Id = c.Key.SourceId.ToString(),
Key = _dbContext.Sources.Where(x => x.Id == c.Key.SourceId).Select(x => x.SourceName).FirstOrDefault(),
Value = c.Count().ToString()
})
.OrderByDescending(x => x.Value)
.Take(20)
.ToList();
if (getNewsCountBySource?.Count == 0)
{
return(NotFound());
}
return(Ok(getNewsCountBySource));
}
public ActionResult <IEnumerable <GraphDTO> > KeywordCount([FromQuery] SearchByDateDTO searchByDate)
{
DateTime startDate;
DateTime endDate;
var query = _dbContext.NewsKeywords.AsQueryable();
if (searchByDate.StartingDate != null || searchByDate.StartingDate != null)
{
if (!DateTime.TryParse(searchByDate.StartingDate, out startDate))
{
return(BadRequest("StartingDate tarih formatında değil"));
}
else if (!DateTime.TryParse(searchByDate.EndingDate, out endDate))
{
return(BadRequest("EndingDate tarih formatında değil"));
}
if (startDate >= endDate)
{
return(BadRequest("StartingDate, EndingDate tarihinden ileri bir tarih olamaz"));
}
query = query.Where(c => c.News.NewsDate >= startDate && c.News.NewsDate < endDate);
}
var topKeywordCounts = query
.GroupBy(x => x.Keyword.KeywordValue)
.Select(z => new GraphDTO
{
Id = _dbContext.Keywords.FirstOrDefault(x => x.KeywordValue.Contains(z.Key)).Id.ToString(),
Key = z.Key,
Value = z.Count().ToString()
})
.ToList();
if (topKeywordCounts?.Count == 0)
{
return(NotFound());
}
return(Ok(new Response <IEnumerable <GraphDTO> >(topKeywordCounts)));
}
public async Task <IActionResult> Get([FromQuery] PaginationQuery pagination, [FromQuery] SearchByDateDTO searchByDate)
{
if (searchByDate.EndingDate != null && searchByDate.StartingDate != null)
{
DateTime startDate;
DateTime endDate;
if (!DateTime.TryParse(searchByDate.StartingDate, out startDate))
{
return(BadRequest("StartingDate tarih formatında değil"));
}
else if (!DateTime.TryParse(searchByDate.EndingDate, out endDate))
{
return(BadRequest("EndingDate tarih formatında değil"));
}
if (startDate >= endDate)
{
return(BadRequest("StartingDate, EndingDate tarihinden ileri bir tarih olamaz"));
}
}
var paginationFilter = _mapper.Map <PaginationFilter>(pagination);
var getallnews = await _newsService.GetAllNews(paginationFilter);
var getallnewsDto = _mapper.Map <IEnumerable <News>, IEnumerable <NewsDTO> >(getallnews);
foreach (var item in getallnewsDto)
{
var source = await _sourceService.GetSourceById(item.SourceId);
item.SourceName = source.SourceName;
}
if (pagination == null || pagination.PageNumber < 1 || pagination.PageSize < 1)
{
return(Ok(new PagedResponse <NewsDTO>(getallnewsDto)));
}
var paginationResponse = PaginationHelpers.CreatePaginationResponse(_uriService, paginationFilter, getallnewsDto);
return(Ok(paginationResponse));
}
public async Task <IActionResult> GetFromRss([FromQuery] PaginationQuery pagination, [FromQuery] string searchTerm, [FromQuery] SearchByDateDTO searchByDate)
{
var link = $"https://news.google.com/rss/search?q={searchTerm}&hl=tr&gl=TR&ceid=TR:tr";
var newsList = new List <NewsDTO>();
XmlDocument xml = new XmlDocument();
var client = _httpClientFactory.CreateClient();
client.BaseAddress = new Uri(link);
string result = await client.GetStringAsync("");
xml.LoadXml(result);
XmlNodeList entries = xml.DocumentElement.GetElementsByTagName("item");
if (entries.Count == 0)
{
return(NotFound());
}
foreach (XmlNode entry in entries)
{
var random = new Random();
var title = entry["title"].InnerText;
var index = title.Split("-").Reverse().FirstOrDefault().Length;
var cleanString = title.Remove(title.Length - index - 1, index + 1);
var news = new NewsDTO
{
Id = random.Next(1000, 3000),
NewsTitle = cleanString,
NewsDate = DateTime.Parse(entry["pubDate"].InnerText),
NewsUrl = entry["link"].InnerText,
SourceName = entry["source"].InnerText
};
newsList.Add(news);
}
return(Ok(new Response <IEnumerable <NewsDTO> >(newsList.OrderByDescending(x => x.NewsDate))));
}
