public async Task <word_param[]> getPage(filter f, int start, int pageSize)
{
try
{
var q = (from c in db.words_list.AsNoTracking() select c);
q = setWordListQueryFilter(f, q);
if (f.isInverse)
{
q = q.OrderBy(c => c.reverse).ThenBy(c => c.field2).Skip(start * pageSize).Take(pageSize);
}
else
{
q = q.OrderBy(c => c.digit).ThenBy(c => c.field2).Skip(start * pageSize).Take(pageSize);
}
//var sql = q.ToSql();
return(await q.ToArrayAsync());
}
catch (Exception ex)
{
if (Logger != null)
{
Logger.LogError(new EventId(0), ex, ex.Message);
return(null);
}
else
{
throw ex;
}
}
finally
{
}
}
public async Task <word_param_base> searchWord(filter f, string word)
{
//System.Runtime.CompilerServices.StrongBox <T>
try
{
string w = f.isInverse == true?sharedTypes.atod(new string(word.Reverse().ToArray()), talpha) : sharedTypes.atod(word, talpha);
int start = 0;
var q = (from c in db.words_list select c);
q = setWordListQueryFilter(f, q);
if (f.isInverse)
{
q = q.OrderBy(c => c.reverse).ThenBy(c => c.field2);
start = await(from c in q where w.CompareTo(c.reverse) > 0 select c).CountAsync();
}
else
{
q = q.OrderBy(c => c.digit).ThenBy(c => c.field2);
start = await(from c in q where w.CompareTo(c.digit) > 0 select c).CountAsync();
}
int pagenumber = start / 100;
int count = q.Count();
if (count <= start)
{
q = q.Skip((start - 1)).Take(1);
}
else
{
q = q.Skip(start).Take(1);
}
word_param wp = await q.FirstOrDefaultAsync();
word_param_base r = null;
if (wp != null)
{
r = (new word_param_base()
{
CountOfWords = count, wordsPageNumber = pagenumber, accent = wp.accent, digit = wp.digit, field2 = wp.field2, field5 = wp.field5, field6 = wp.field6, field7 = wp.field7, isdel = wp.isdel, isproblem = wp.isproblem, nom_old = wp.nom_old, own = wp.own, part = wp.part, reestr = wp.reestr, reverse = wp.reverse, suppl_accent = wp.suppl_accent, type = wp.type
});
}
return(r);
}
catch (Exception ex)
{
if (Logger != null)
{
Logger.LogError(new EventId(0), ex, ex.Message);
return(null);
}
else
{
throw ex;
}
}
}
public async Task <int> CountWords(filter f)
{
try
{
var q = (from c in db.words_list select c);
q = setWordListQueryFilter(f, q);
return(await q.CountAsync());
}
catch (Exception ex)
{
if (Logger != null)
{
Logger.LogError(new EventId(0), ex, ex.Message);
return(-1);
}
else
{
throw ex;
}
}
}
// перетворення рядка в код (якщо не потрібно враховувати \', то askip=true)
private IQueryable <word_param> setWordListQueryFilter(filter f, IQueryable <word_param> q)
{
if ((f.isStrFiltering) && (!string.IsNullOrEmpty(f.str)))
{
string s = sharedTypes.atod(f.str, talpha);
//switch (f.fetchType)
//{
// case FetchType.StartsWith:
// q = q.Where(c => c.digit.StartsWith(s));
// //q = q.Where(c => c.reestr.Replace("\"","").StartsWith(f.str));
// break;
// case FetchType.EndsWith:
// q = q.Where(c => c.digit.EndsWith(s));
// //q = q.Where(c => c.reestr.Replace("\"", "").EndsWith(f.str));
// break;
// case FetchType.Contains:
// q = q.Where(c => c.digit.Contains(s));
// //q = q.Where(c => c.reestr.Replace("\"", "").Contains(f.str));
// break;
//}
q = q.Where(c => EF.Functions.Like(c.digit, s));
}
if (f.ispclass)
{
q = q.Where(c => c.type == f.pclass);
}
if (f.ispofs)
{
if (f.pofs > 70)
{
q = q.Where(c => c.part == f.pofs);
}
else
{
q = q.Where(c => ((c.parts.gr_id == f.pofs) && (c.part < 70)));
}
}
return(q);
}
