public static DictionaryLetter InitializeDictionaryLetter(char letter, IWordDictionary wordDictionary)
{
int beginWith, endWith, avgCount;
List <string> words, wordsBeginWith;
try
{
words = wordDictionary.GetDictionaryWordsStartingWith(letter);
beginWith = words.Count;
wordsBeginWith = words;
}
catch (WordStartingNotFoundException)
{
words = wordDictionary.GetDictionaryWords();
words = words.FindAll(s => s[0] == letter);
wordDictionary.SaveWordsForLetterStarting(letter, words);
beginWith = words.Count;
wordsBeginWith = words;
}
try
{
words = wordDictionary.GetDictionaryWordsEndingWith(letter);
endWith = words.Count;
}
catch (WordEndingNotFoundException)
{
words = wordDictionary.GetDictionaryWords();
words = words.FindAll(s => s.Last() == letter);
wordDictionary.SaveWordsForLettersEnding(letter, words);
endWith = words.Count;
}
if (wordsBeginWith.Count > 0)
{
// Get the average character length of all the words that start with `letter`.
avgCount = wordsBeginWith.Aggregate(0, (acc, val) => acc + val.Length, avg => avg / wordsBeginWith.Count);
}
else
{
avgCount = 0;
}
return(new DictionaryLetter(letter, beginWith, endWith, avgCount, wordsBeginWith));
}
