/// <summary>
/// Indexes a searchword, finds all texts containig it and adds
/// a connection to database between seachword and text.
/// </summary>
/// <param name="searchword">
/// Provided searchword
/// </param>
/// <returns>
/// boolean with value depending if indexing was succesfull
/// </returns>
public bool IndexSearchWord(SearchWords searchword)
{
try
{
using (var db = new SearcherContext())
{
//List of texts containing searchword
List <Texts> texts = db.Texts.Where(t => t.text.Contains(searchword.SearchWord))
.Include(t => t.SearchWords)
.ToList();
foreach (var text in texts)
{
bool update = true;
//For each loop checks if there is already such searchword for this text
foreach (var searchWordInText in text.SearchWords)
{
if (searchWordInText.SearchWord.Contains(searchword.SearchWord))
{
update = false;
}
}
//If there is no such search word for text, it is indexed
if (update)
{
//Fiding the actual searchword from table
SearchWords existingSearchword =
db.SearchWords.FirstOrDefault(s => s.SearchWord.Equals(searchword.SearchWord));
if (existingSearchword != null)
{
text.SearchWords.Add(existingSearchword);
db.Entry(text).State = System.Data.Entity.EntityState.Modified;
db.SaveChanges();
}
else
{
text.SearchWords.Add(searchword);
db.Entry(text).State = System.Data.Entity.EntityState.Modified;
db.SaveChanges();
}
}
}
}
return(true);
}
catch (Exception)
{
return(false);
}
}
public async Task <IHttpActionResult> PutSearchWords(int id, SearchWords searchWords)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (id != searchWords.id)
{
return(BadRequest());
}
db.Entry(searchWords).State = EntityState.Modified;
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!SearchWordsExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(StatusCode(HttpStatusCode.NoContent));
}