private static float GenerateMemoryFileGrades(string path)
{
int totalMemoryStrings = MemoryFile.CountMemoryStrings(path);
string bareFilename = Path.GetFileNameWithoutExtension(Path.GetFileName(path));
string gradesfilepath = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), bareFilename + ".grades");
using (TextWriter textWriter = new StreamWriter(gradesfilepath))
{
for (int i = 1; i <= totalMemoryStrings; i++)
{
textWriter.WriteLine(String.Format("{0} {1}", i, 0.0f));
}
//Close handle to MemoryString Grades file
textWriter.Close();
}
return(0.0f);
}
private static float CalcAvgGradeFromMemoryFile(string path)
{
float avgGrade = 0.0f;
int totalMemoryStrings = MemoryFile.CountMemoryStrings(path);
//Read grades if counts!= then append grades with 0.0
int totalGrades = 0;
string bareFilename = Path.GetFileNameWithoutExtension(Path.GetFileName(path));
string gradesfilepath = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), bareFilename + ".grades");
using (TextReader textReader = new StreamReader(gradesfilepath))
{
string line = null;
while (null != (line = textReader.ReadLine()))
{
switch (line)
{
case "":
//Eat empty lines
break;
default:
string[] brokenLine = line.Split(' ');
if (2 != brokenLine.Length)
{
throw new MemoryException(String.Format("[{0}] MemoryStrings Grade File paring error", gradesfilepath));
}
int memoryStringNo;
if (false == int.TryParse(brokenLine[0], out memoryStringNo))
{
throw new MemoryException(String.Format("[{0}] MemoryStrings Grade File paring error", gradesfilepath));
}
if (memoryStringNo != totalGrades + 1)
{
//There must be a strinct sequence in grades
throw new MemoryException(String.Format("[{0}] MemoryStrings Grade File paring error", gradesfilepath));
}
float memoryStringGrade;
if (false == float.TryParse(brokenLine[1], out memoryStringGrade))
{
throw new MemoryException(String.Format("[{0}] MemoryStrings Grade File paring error", gradesfilepath));
}
avgGrade += memoryStringGrade;
totalGrades++;
break;
}
}
//Close handle to MemoryString Grades file
textReader.Close();
}
if (totalGrades != totalMemoryStrings)
{
//Append 0.0 grades for new MemoryStrings
using (TextWriter textWriter = new StreamWriter(gradesfilepath, true))
{
for (int i = totalGrades + 1; i <= totalMemoryStrings; i++)
{
textWriter.WriteLine(String.Format("{0} {1}", i, 0.0f));
}
//Close handle to MemoryString Grades file
textWriter.Close();
}
}
return(avgGrade / totalMemoryStrings);
}
