public Dal.DalResult<bool> AddShorthandExpansionEntry(string shorthand, string expansion)
{
Dal.DalResult<bool> retResult = null;
try
{
if (!ShorthandExpansionEntries.Ton.ShorthandExists(shorthand))
{
var entryToAdd =
new ShorthandExpansionEntry()
{
ShorthandText = shorthand,
ExpansionText = expansion
};
ShorthandExpansionEntries.Ton.Add(entryToAdd);
SaveTextFileEntries();
retResult = new Dal.DalResult<bool>(true);
}
else
{
//ALREADY EXISTS
retResult = new Dal.DalResult<bool>(false);
}
}
catch (Exception ex)
{
retResult = new Dal.DalResult<bool>(ex);
}
return retResult;
}
/// <summary>
/// Loads the ShorthandExpansionEntries from the data text file.
/// </summary>
private void LoadTextFileEntries()
{
using (StreamReader reader = new StreamReader(_TextFileNameFullPath))
{
var text = reader.ReadToEnd();
if (string.IsNullOrEmpty(text))
return;
var lines = text.Split('\n');
if (string.IsNullOrEmpty(lines[lines.Length - 1]))
lines = (lines.Take(lines.Length - 1)).ToArray();
var linesCount = lines.Count();
var entriesCount = linesCount / 2;
int remainder = -1;
Math.DivRem(linesCount, 2, out remainder);
if (remainder != 0)
throw new Exception("Error Loading Shorthands-Expansions Text File \n\n" +
"TextFile does not have an even number of lines. \n" +
"Each shorthand is its own line, and the line following is the expansion. \n" +
"So, there should be an even number of lines.");
for (int i = 0; i < entriesCount; i++)
{
var shorthandIndex = ((i+1)* 2) - 2;
var expansionIndex = shorthandIndex + 1;
var shorthandText = lines[shorthandIndex];
if (shorthandText[shorthandText.Length - 1] == '\r')
shorthandText = shorthandText.Substring(0, shorthandText.Length - 1);
var expansionText = lines[expansionIndex];
if (expansionText[expansionText.Length - 1] == '\r')
expansionText = expansionText.Substring(0, expansionText.Length - 1);
ShorthandExpansionEntry entry =
new ShorthandExpansionEntry()
{
ShorthandText = shorthandText,
ExpansionText = expansionText
};
ShorthandExpansionEntries.Ton.Add(entry);
}
}
}