/// <summary>
/// this finds the capacity of the cans in question
/// if they are entered with ',' seperating them, then if will take every can # entered.
/// if no can numbers were entered, it returns an empty list
/// Note that this function is very slow.
/// </summary>
/// <returns></returns>
public List <SearchResult> RetrieveCanList(out int numOfCans)
{
SearchResults searchResults = new SearchResults();
List <SearchResult> results = new List <SearchResult>();
//Case: no can numbers were entered.
if (canNum.Equals("*"))
{
SearchTerm searchTerm = new SearchTerm(canNum, code, animalName, breed, owner, town, state);
results = searchResults.retrieveData(searchTerm);
numOfCans = results.GroupBy(x => x.CanNum).Count();
return(results);
}
//Check that query is valid
if (IsValidQuery(canNum))
{
//split the query by ','
string[] canNumbers = canNum.Split(',');
string[] canRange = new string[(canNumbers.Length * 2)];
int j = 0;
//split each section by ':'
for (int i = 0; i < canNumbers.Length; i++)
{
string[] temp = canNumbers[i].Split(':');
if (temp.Length > 1)
{
canRange[j] = temp[0];
canRange[j + 1] = temp[1];
j += 2;
//if there is a colon, delete that query from canNumbers
canNumbers[i] = "";
}
}
//get all cans from canNumbers
foreach (string number in canNumbers)
{
if (number != "")
{
SearchTerm searchTerm = new SearchTerm(number.Trim().ToString(), code, animalName, breed, owner, town, state);
results.AddRange(searchResults.retrieveData(searchTerm));
}
}
for (int i = 0; i < canRange.Length; i += 2)
{
if (canRange[i] != null)
{
int begin = Int32.Parse(canRange[i]);
int end = Int32.Parse(canRange[i + 1]);
if (begin > end)
{
int temp = begin;
begin = end;
end = temp;
}
while (begin <= end)
{
SearchTerm searchTerm = new SearchTerm(begin.ToString(), code, animalName, breed, owner, town, state);
results.AddRange(searchResults.retrieveData(searchTerm));
begin++;
}
}
}
numOfCans = results.GroupBy(x => x.CanNum).Count();
return(results);
}
else
{
//TODO: tell user the input was invalid
numOfCans = 0;
return(results);
}
}