Beispiel #1
0
        /// <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);
            }
        }