public ActionResult StringCompare(string agency, Guid studyid, Guid questionid, string questiontext)
{
DateTime dateTime1 = DateTime.Now;
List <LevenshteinItem> items = new List <LevenshteinItem>();
StudyUnitModel item1 = GetAllQuestions(agency, studyid);
var item3 = from x in item1.Questions
orderby x.DisplayLabel
select x;
foreach (var question in item3)
{
if (Math.Abs(questiontext.Length - question.Summary.FirstOrDefault().Value.ToString().Length) <= 4)
{
var item = new LevenshteinItem()
{
QuestionId = question.DisplayLabel,
QuestionText = question.Summary.FirstOrDefault().Value.ToString(),
Results = CompareString.Calculate(questiontext, question.Summary.FirstOrDefault().Value.ToString())
};
items.Add(item);
}
}
DateTime dateTime2 = DateTime.Now;
var diff = dateTime2.Subtract(dateTime1);
var res = String.Format("{0}:{1}:{2}", diff.Hours, diff.Minutes, diff.Seconds);
LevenshteinModel model = new LevenshteinModel();
model.QuestionId = res;
model.QuestionText = questiontext;
model.Results = items;
return(View(model));
}
public int LevenshteinDistance(LevenshteinModel lmode)
{
string s = lmode.FirstParam;
string t = lmode.SecondParam;
int n = s.Length;
int m = t.Length;
int[,] d = new int[n + 1, m + 1];
// Step 1
if (n == 0)
{
return(m);
}
if (m == 0)
{
return(n);
}
// Step 2
for (int i = 0; i <= n; d[i, 0] = i++)
{
}
for (int j = 0; j <= m; d[0, j] = j++)
{
}
// Step 3
for (int i = 1; i <= n; i++)
{
//Step 4
for (int j = 1; j <= m; j++)
{
// Step 5
int cost = (t[j - 1] == s[i - 1]) ? 0 : 1;
// Step 6
d[i, j] = Math.Min(
Math.Min(d[i - 1, j] + 1, d[i, j - 1] + 1),
d[i - 1, j - 1] + cost);
}
}
// Step 7
return(d[n, m]);
}
public ActionResult Levenshtein(string agency, Guid studyid, Guid questionid, string questiontext)
{
List <LevenshteinItem> items = new List <LevenshteinItem>();
StudyUnitModel item1 = GetAllQuestions(agency, studyid);
var item3 = from x in item1.Questions
orderby x.DisplayLabel
select x;
string string1 = "In your household what is the number of bedrooms";
string string2 = "What are the number of bedrooms in your household";
var test2 = LevenshteinDistance.Calculate(string1, string2);
var test = new LevenshteinItem()
{
QuestionId = questionid.ToString(),
QuestionText = string2,
Results = test2.ToString()
};
items.Add(test);
foreach (var question in item3)
{
var item = new LevenshteinItem()
{
QuestionId = question.DisplayLabel,
QuestionText = question.Summary.FirstOrDefault().Value.ToString(),
Results = LevenshteinDistance.Calculate(question.Summary.FirstOrDefault().Value.ToString(), questiontext).ToString()
};
items.Add(item);
}
LevenshteinModel model = new LevenshteinModel();
model.QuestionId = questionid.ToString();
model.QuestionText = string1;
model.Results = items;
return(View(model));
}
