VBA 매크로로 Excel 연락처를 Brevo로 푸시하는 방법 (그리고 Office Scripts 대안)

' ===========================================================================
' Brevo contact sync for Excel
' Reads the active sheet's rows and POSTs them to Brevo's import API.
' ===========================================================================
Option Explicit

Private Const BREVO_API_BASE As String = "https://api.brevo.com/v3"
Private Const BREVO_LIST_ID As Long = 42       ' <- your Brevo list ID
Private Const BATCH_SIZE As Long = 1000

' --- Public entry points (the ones you assign to ribbon buttons) -----------

Public Sub SyncSheetToBrevo()
    Dim apiKey As String
    apiKey = GetApiKey()
    If apiKey = "" Then
        MsgBox "No API key configured. Run ConfigureApiKey first.", _
               vbExclamation, "Brevo Sync"
        Exit Sub
    End If

    Dim ws As Worksheet
    Set ws = ActiveSheet

    Dim emailCol As Long
    emailCol = FindEmailColumn(ws)
    If emailCol = 0 Then
        MsgBox "Sheet must have an 'email' column in row 1.", _
               vbExclamation, "Brevo Sync"
        Exit Sub
    End If

    Dim lastRow As Long, lastCol As Long
    lastRow = ws.Cells(ws.Rows.Count, emailCol).End(xlUp).Row
    lastCol = ws.Cells(1, ws.Columns.Count).End(xlToLeft).Column
    If lastRow < 2 Then
        MsgBox "No contact rows found.", vbInformation, "Brevo Sync"
        Exit Sub
    End If

    Dim contacts As Collection
    Set contacts = New Collection

    Dim r As Long, c As Long
    For r = 2 To lastRow
        Dim email As String
        email = LCase(Trim(CStr(ws.Cells(r, emailCol).Value)))
        If email <> "" And InStr(email, "@") > 0 Then
            Dim json As String
            json = "{""email"":""" & EscapeJson(email) & """,""attributes"":{"

            Dim attrFirst As Boolean
            attrFirst = True
            For c = 1 To lastCol
                If c <> emailCol Then
                    Dim val As String
                    val = CStr(ws.Cells(r, c).Value)
                    If val <> "" Then
                        If Not attrFirst Then json = json & ","
                        Dim attrName As String
                        attrName = UCase(Trim(CStr(ws.Cells(1, c).Value)))
                        json = json & """" & attrName & """:""" & EscapeJson(val) & """"
                        attrFirst = False
                    End If
                End If
            Next c

            json = json & "}}"
            contacts.Add json
        End If
    Next r

    If contacts.Count = 0 Then
        MsgBox "No valid contact rows found.", vbInformation, "Brevo Sync"
        Exit Sub
    End If

    Dim totalSent As Long
    Dim batchNum As Long
    Dim okCount As Long, failCount As Long
    Dim batchStart As Long

    For batchStart = 1 To contacts.Count Step BATCH_SIZE
        batchNum = batchNum + 1
        Dim batchEnd As Long
        batchEnd = batchStart + BATCH_SIZE - 1
        If batchEnd > contacts.Count Then batchEnd = contacts.Count

        Dim payload As String
        payload = "{""jsonBody"":["
        Dim i As Long
        For i = batchStart To batchEnd
            If i > batchStart Then payload = payload & ","
            payload = payload & contacts(i)
        Next i
        payload = payload & "],""listIds"":[" & BREVO_LIST_ID & _
                  "],""updateExistingContacts"":true,""emptyContactsAttributes"":false}"

        Dim ok As Boolean
        ok = PostToBrevo(apiKey, payload)
        If ok Then
            okCount = okCount + 1
            totalSent = totalSent + (batchEnd - batchStart + 1)
        Else
            failCount = failCount + 1
        End If
    Next batchStart

    MsgBox "Sent " & totalSent & " contact(s) in " & batchNum & " batch(es)." _
           & vbCrLf & "Successful batches: " & okCount _
           & vbCrLf & "Failed batches: " & failCount, _
           vbInformation, "Brevo Sync"
End Sub

Public Sub ConfigureApiKey()
    Dim key As String
    key = InputBox("Paste your Brevo API key (xkeysib-...):", "Brevo API Key")
    If key = "" Then Exit Sub
    key = Trim(key)
    If Left(key, 8) <> "xkeysib-" Then
        MsgBox "That doesn't look like a Brevo API key (should start with xkeysib-).", _
               vbExclamation, "Brevo API Key"
        Exit Sub
    End If

    On Error Resume Next
    ThisWorkbook.CustomDocumentProperties("BrevoApiKey").Delete
    On Error GoTo 0

    ThisWorkbook.CustomDocumentProperties.Add _
        Name:="BrevoApiKey", _
        LinkToContent:=False, _
        Type:=msoPropertyTypeString, _
        Value:=key

    ThisWorkbook.Save
    MsgBox "API key saved inside the workbook.", vbInformation, "Brevo API Key"
End Sub

' --- Private helpers --------------------------------------------------------

Private Function GetApiKey() As String
    On Error Resume Next
    GetApiKey = ThisWorkbook.CustomDocumentProperties("BrevoApiKey").Value
    On Error GoTo 0
End Function

Private Function FindEmailColumn(ws As Worksheet) As Long
    Dim lastCol As Long, c As Long
    lastCol = ws.Cells(1, ws.Columns.Count).End(xlToLeft).Column
    For c = 1 To lastCol
        If LCase(Trim(CStr(ws.Cells(1, c).Value))) = "email" Then
            FindEmailColumn = c
            Exit Function
        End If
    Next c
    FindEmailColumn = 0
End Function

Private Function PostToBrevo(apiKey As String, payload As String) As Boolean
    Dim http As Object
    Set http = CreateObject("MSXML2.XMLHTTP")
    http.Open "POST", BREVO_API_BASE & "/contacts/import", False
    http.SetRequestHeader "api-key", apiKey
    http.SetRequestHeader "Content-Type", "application/json"
    http.SetRequestHeader "Accept", "application/json"
    http.Send payload
    PostToBrevo = (http.Status = 202)
    If Not PostToBrevo Then
        Debug.Print "Brevo error " & http.Status & ": " & http.responseText
    End If
End Function

Private Function EscapeJson(s As String) As String
    Dim r As String
    r = Replace(s, "\", "\\")
    r = Replace(r, """", "\""")
    r = Replace(r, vbCrLf, "\n")
    r = Replace(r, vbLf, "\n")
    r = Replace(r, vbCr, "\n")
    r = Replace(r, vbTab, "\t")
    EscapeJson = r
End Function

' Replace the body of ConfigureApiKey with:
SaveSetting "Brevo", "Sync", "ApiKey", key

' And GetApiKey with:
GetApiKey = GetSetting("Brevo", "Sync", "ApiKey", "")

function main(workbook: ExcelScript.Workbook): {email: string, attributes: Record<string, string>}[] {
  const sheet = workbook.getActiveWorksheet();
  const range = sheet.getUsedRange();
  if (!range) return [];

  const values = range.getValues() as string[][];
  if (values.length < 2) return [];

  const headers = values[0].map(h => String(h).trim());
  const emailIdx = headers.findIndex(h => h.toLowerCase() === "email");
  if (emailIdx === -1) throw new Error("Sheet must have an 'email' column");

  const contacts: {email: string, attributes: Record<string, string>}[] = [];
  for (let r = 1; r < values.length; r++) {
    const row = values[r];
    const email = String(row[emailIdx] ?? "").trim().toLowerCase();
    if (!email || !email.includes("@")) continue;

    const attributes: Record<string, string> = {};
    for (let c = 0; c < headers.length; c++) {
      if (c === emailIdx) continue;
      const v = row[c];
      if (v === null || v === "") continue;
      attributes[headers[c].toUpperCase()] = String(v);
    }
    contacts.push({ email, attributes });
  }
  return contacts;
}