Automated Finance Process with Excel VBA

' **Section: Initialization**
Sub AutomateFinanceProcess()
    ' Declare variables
    Dim currentMonth As Integer
    Dim currentYear As Integer
    Dim tbFolderPath As String
    Dim tbFilePath As String
    Dim coaFilePath As String
    Dim companiesFilePath As String
    Dim budgetFilePath As String
    Dim wsInput As Worksheet
    Dim wsReport As Worksheet
    Dim coaData As Variant
    Dim companiesData As Variant
    Dim budgetData As Variant
    Dim tbData As Variant

    ' Set worksheet objects
    Set wsInput = ThisWorkbook.Sheets("InputData")
    Set wsReport = ThisWorkbook.Sheets("Report")

    ' Clear previous data on InputData sheet
    wsInput.Cells.ClearContents

    ' Determine current month and year
    currentMonth = Month(Date)
    currentYear = Year(Date)

    ' Construct dynamic folder path for Trial Balance
    tbFolderPath = "C:\FinanceData\" & Format(Date, "MMM-YYYY") ' Modify "C:\FinanceData\" to your actual path
    tbFilePath = tbFolderPath & "\Tb csv.csv" ' Ensure the Trial Balance file name is correct

    ' Set file paths for other CSV files
    coaFilePath = "C:\FinanceData\coa & account level mappings csv.csv" ' Modify path if needed
    companiesFilePath = "C:\FinanceData\List of companies csv.csv" ' Modify path if needed
    budgetFilePath = "C:\FinanceData\Ytd budget csv.csv" ' Modify path if needed

    ' **Section: Data Import**
    ' Import COA mappings
    If FileExists(coaFilePath) Then
        coaData = ImportCSVToArray(coaFilePath)
        ' Write COA data to InputData sheet (optional)
        If Not IsEmpty(coaData) Then wsInput.Range("A1").Resize(UBound(coaData, 1), UBound(coaData, 2)).Value = coaData
    Else
        MsgBox "Error: COA mapping file not found at " & coaFilePath, vbExclamation
        Exit Sub
    End If

    ' Import list of companies
    If FileExists(companiesFilePath) Then
        companiesData = ImportCSVToArray(companiesFilePath)
        ' Write companies data to InputData sheet (optional)
        If Not IsEmpty(companiesData) Then wsInput.Range("E1").Resize(UBound(companiesData, 1), UBound(coaData, 2)).Value = companiesData
    Else
        MsgBox "Error: List of companies file not found at " & companiesFilePath, vbExclamation
        Exit Sub
    End If

    ' Import YTD budget
    If FileExists(budgetFilePath) Then
        budgetData = ImportCSVToArray(budgetFilePath)
        ' Write budget data to InputData sheet (optional)
        If Not IsEmpty(budgetData) Then wsInput.Range("I1").Resize(UBound(budgetData, 1), UBound(budgetData, 2)).Value = budgetData
    Else
        MsgBox "Error: YTD budget file not found at " & budgetFilePath, vbExclamation
        Exit Sub
    End If

    ' Import Trial Balance data
    If FileExists(tbFilePath) Then
        tbData = ImportCSVToArray(tbFilePath)
        ' Write Trial Balance data to InputData sheet
        If Not IsEmpty(tbData) Then wsInput.Range("A" & Rows.Count).End(xlUp).Offset(1, 0).Resize(UBound(tbData, 1), UBound(tbData, 2)).Value = tbData
    Else
        MsgBox "Error: Trial Balance file not found at " & tbFilePath, vbExclamation
        Exit Sub
    End If

    ' **Section: Data Processing and Calculations**
    ' Implement your data processing and calculation logic here
    ' This will involve using the imported data (coaData, companiesData, budgetData, tbData)
    ' to perform MTD, YTD, MoM analysis, interest computations, and balance summations.

    ' **Section: Generating Amortization Schedules**
    ' Implement your amortization schedule generation logic here
    ' This will require loan amount, interest rate, and loan term as input.

    ' **Section: Output Generation and Formatting**
    ' Implement your output generation and formatting logic here
    ' Write the results of the analyses and the amortization schedule to the "Report" worksheet.

    MsgBox "Finance process automation completed!", vbInformation
End Sub

' Helper function to check if a file exists
Function FileExists(filePath As String) As Boolean
    FileExists = (Dir(filePath) <> "")
End Function

' Helper function to import CSV to an array
Function ImportCSVToArray(filePath As String) As Variant
    Dim fso As Object
    Dim ts As Object
    Dim strData As String
    Dim arrData As Variant
    Dim row As Long
    Dim col As Long
    Dim lines As Variant
    Dim fields As Variant

    Set fso = CreateObject("Scripting.FileSystemObject")
    Set ts = fso.OpenTextFile(filePath, 1, False) ' ForReading

    strData = ts.ReadAll
    ts.Close

    lines = Split(strData, vbCrLf)
    If UBound(lines) > -1 Then
        fields = Split(lines(0), ",")
        ReDim arrData(1 To UBound(lines) + 1, 1 To UBound(fields) + 1)
        For row = 0 To UBound(lines)
            fields = Split(lines(row), ",")
            For col = 0 To UBound(fields)
                If col <= UBound(fields) Then
                    arrData(row + 1, col + 1) = fields(col)
                End If
            Next col
        Next row
        ImportCSVToArray = arrData
    Else
        ImportCSVToArray = Array()
    End If

    Set ts = Nothing
    Set fso = Nothing
End Function