public void Process()
{
//step1 - Created variable to store all file paths from folder of cc statements
string[] filePaths = Directory.GetFiles(_rootPath, "*.csv", SearchOption.AllDirectories);
//created before proceeding step 2e
List<Transaction> transactions = new List<Transaction>();
//v2
var engine = new FileHelperEngine<CsvTransaction>();
//step2 - iterating filePaths (create the foreach part for indiv files)
foreach (string filePath in filePaths)
{
//step5a - extract account owner from path
//string owner = filePath.Replace(statementsPath, "").TrimStart('\\').Split('\\')[0];
PathParameters pathParameters = GetPathParameters(filePath, _rootPath);
//v2file helper is reading then parsing the file to give us an object for each line (result is collection of objects)
var result = engine.ReadFile(filePath);
//v2 for each csv object, create and populate transaction object
foreach (CsvTransaction csvTransaction in result)
{
//step 2d - create Transaction object from components (syntax DataType variableName = new DataType() )
Transaction transaction = new Transaction();
//populate the object's properties (fill in the blanks of form)
transaction.PostedDate = csvTransaction.PostedDate;
transaction.ReferenceNumber = csvTransaction.ReferenceNumber;
transaction.Payee = csvTransaction.Payee;
transaction.Address = csvTransaction.Address;
transaction.Amount = csvTransaction.Amount;
//step7
transaction.Owner = pathParameters.Owner;
//step 2e - add object transaction to list of Transactions
transactions.Add(transaction);
}
}
//step6b declare variable that gets instance of dictionary (a value)
var dictionary = GetDictionary();
//must define SB before using in step 3b
StringBuilder sb = new StringBuilder();
//this will be a header
sb.AppendLine("Posted Date,Reference Number,Payee,Address,Amount,Owner,Category");
//step 3a - build string value for each object
foreach (Transaction transaction in transactions)
{
//step6b- populate category
PopulateCategory(transaction, dictionary);
//turn properties of object into one string value
string fileLine = string.Join(",", transaction.PostedDate, transaction.ReferenceNumber, "\"" + transaction.Payee + "\"", "\"" + transaction.Address + "\"", transaction.Amount, transaction.Owner, transaction.Category);
//step 3b - use StringBuilder to combine strings to make one big chunk of text
sb.AppendLine(fileLine);
}
//saved output to variable
string outputFileContents = sb.ToString();
//step 4 - write the file content to a new output file
string outputFileName = GetOutputFileName();
File.WriteAllText(outputFileName, outputFileContents);
}
private void PopulateCategory(Transaction transaction, Dictionary<string, string[]> dictionary)
{
foreach (var entry in dictionary)
{
foreach (string term in entry.Value)
{
if (transaction.Payee.IndexOf(term, StringComparison.OrdinalIgnoreCase) >= 0)
{
transaction.Category = entry.Key;
break;
}
}
if (!string.IsNullOrEmpty(transaction.Category))
{
break;
}
}
}