public static string readOCR (Uri ocr_url) {
AzureSearchServiceController checkUrl = new AzureSearchServiceController();
string ocrPrevText = "";
if (checkUrl.RemoteFileExists(ocr_url.ToString()))
{
System.Net.WebClient wc = new System.Net.WebClient();
byte[] raw = wc.DownloadData(ocr_url);
string webData = System.Text.Encoding.UTF8.GetString(raw);
string[] ocrSplit = webData.Split(' ');
for (int i = 0; i < 300; i++)
{
ocrPrevText += ocrSplit[i];
ocrPrevText += " ";
}
return ocrPrevText;
}
else
{
ocrPrevText ="Unfortunately OCR is not available for this document";
} return ocrPrevText;
}
//
// GET: /StatisticalAnalysis/
public ActionResult Index(Uri website, string titleOfBook)
{
AzureSearchServiceController checkUrl = new AzureSearchServiceController();
if (checkUrl.RemoteFileExists(website.ToString()))
{
List<string> MostFrequentWords = new List<string>();
List<int> FrequencyOfMostFrequentWords = new List<int>();
frequentWords(website, out MostFrequentWords, out FrequencyOfMostFrequentWords);
ViewBag.FrequencyOfMostFrequentWords = FrequencyOfMostFrequentWords;
ViewBag.MostFrequentWords = MostFrequentWords;
ViewBag.titleOfBook = titleOfBook;
ViewBag.website = website;
//stores the user keyword to identify the frequency of a word
string keyword = Request["txtSearch"];
ViewBag.keyword = Request["txtSearch"];
/////////////////////////////////////////
//stores the user keyword to identify the frequency of a biagram
string keywordBiagram = Request["txtSearchBiagram"];
ViewBag.keywordBiagram = Request["txtSearchBiagram"];
////////////////////////////////////////////////////
//stores the user keyword to identify the frequency of a triagram
string keywordTriagram = Request["txtSearchTriagram"];
ViewBag.keywordBiagram = Request["txtSearchTriagram"];
char[] delimiters = new char[] { ' ' };
int frequencyWordInOCR = 0;
if (String.IsNullOrEmpty(keyword))
{
ViewBag.initialState = 0;
}
else
{
string[] userKeyword = keyword.Split(delimiters, StringSplitOptions.RemoveEmptyEntries);
//display a message to the user (the user has entered more than one word)
if (userKeyword.Count() != 1) { ViewBag.MessageOneWord = "Please enter one word"; }
else
{
frequencyWordInOCR = frequentWordInOCR(website, keyword.ToLower().Trim());
if (frequencyWordInOCR == 0) { ViewBag.WordNotFound = "Word: " + keyword + " " + "was not found"; }
else { ViewBag.wordFound = "The frequency of the word " + keyword + " " + "is " + frequencyWordInOCR; }
}
}
//////////////////////////////Biagram/////////////////////////////
int frequencyOfBiagram = 0;
if (String.IsNullOrEmpty(keywordBiagram))
{
ViewBag.initialStateBiagram = 0;
}
else
{
string[] wordsBiagram = keywordBiagram.Split(delimiters, StringSplitOptions.RemoveEmptyEntries);
//check whether the user has entered two words
if (wordsBiagram.Count() != 2) { ViewBag.MessageBiagram = "Please enter a valid biagram(biagram consists of two words)"; }
else
{
frequencyOfBiagram = frequentOfBiagrams(website, keywordBiagram.ToLower().Trim());
if (frequencyOfBiagram == 0) { ViewBag.WordNotFoundBiagram = "Word: " + keywordBiagram + " " + "was not found"; }
else { ViewBag.wordFoundBiagram = "The frequency of a biagram " + keywordBiagram + " " + "is " + frequencyOfBiagram; }
}
}
///////////////////////////////////////////////////////////////////////////////////////
//this section calculate the frequency word of a triagram and checks whether the user has entered three words in the document
int frequencyOfTriagram = 0;
if (String.IsNullOrEmpty(keywordTriagram))
{
ViewBag.initialStateTriagram = 0;
}
else
{
string[] wordsTriagram = keywordTriagram.Split(delimiters, StringSplitOptions.RemoveEmptyEntries);
//check whether the user has entered three words
if (wordsTriagram.Count() != 3) { ViewBag.MessageTriagram = "Please enter a valid triagram(triagram consists of two words)"; }
else
{
frequencyOfTriagram = frequentOfBiagrams(website, keywordTriagram.ToLower().Trim());
if (frequencyOfTriagram == 0) { ViewBag.WordNotFoundTriagram = "Word: " + keywordTriagram + " " + "was not found"; }
else { ViewBag.wordFoundTriagram = "The frequency of a triagram " + keywordTriagram + " " + "is " + frequencyOfTriagram; }
}
}
return View();
}
else
{
return RedirectToAction("ErrorPage", "ErrorPage");
}
}
