initial version
This commit is contained in:
alexandrev-tibco
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import Foundation
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import UIKit
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class ExportService {
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static let shared = ExportService()
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private init() {}
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// MARK: - Export Formats
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enum ExportFormat: String, CaseIterable, Identifiable {
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case csv = "CSV"
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case json = "JSON"
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var id: String { rawValue }
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var fileExtension: String {
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switch self {
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case .csv: return "csv"
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case .json: return "json"
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}
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}
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var mimeType: String {
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switch self {
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case .csv: return "text/csv"
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case .json: return "application/json"
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}
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}
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}
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// MARK: - Export Data
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func exportToCSV(
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sources: [InvestmentSource],
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categories: [Category]
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) -> String {
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let currencyCode = AppSettings.getOrCreate(in: CoreDataStack.shared.viewContext).currency
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var csv = "Account,Category,Source,Date,Value (\(currencyCode)),Contribution (\(currencyCode)),Notes\n"
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for source in sources.sorted(by: { $0.name < $1.name }) {
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let accountName = source.account?.name ?? "Default"
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let categoryName = source.category?.name ?? "Uncategorized"
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for snapshot in source.snapshotsArray {
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let date = formatDate(snapshot.date)
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let value = formatDecimal(snapshot.decimalValue)
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let contribution = snapshot.contribution != nil
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? formatDecimal(snapshot.decimalContribution)
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: ""
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let notes = escapeCSV(snapshot.notes ?? "")
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csv += "\(escapeCSV(accountName)),\(escapeCSV(categoryName)),\(escapeCSV(source.name)),\(date),\(value),\(contribution),\(notes)\n"
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}
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}
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return csv
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}
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func exportToJSON(
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sources: [InvestmentSource],
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categories: [Category]
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) -> String {
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var exportData: [String: Any] = [:]
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exportData["exportDate"] = ISO8601DateFormatter().string(from: Date())
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exportData["version"] = 2
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exportData["currency"] = AppSettings.getOrCreate(in: CoreDataStack.shared.viewContext).currency
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let accounts = Dictionary(grouping: sources) { $0.account?.id.uuidString ?? "default" }
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var accountsArray: [[String: Any]] = []
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for (_, accountSources) in accounts {
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let account = accountSources.first?.account
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var accountDict: [String: Any] = [
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"name": account?.name ?? "Default",
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"currency": account?.currency ?? exportData["currency"] as? String ?? "EUR",
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"inputMode": account?.inputMode ?? InputMode.simple.rawValue,
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"notificationFrequency": account?.notificationFrequency ?? NotificationFrequency.monthly.rawValue,
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"customFrequencyMonths": account?.customFrequencyMonths ?? 1
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]
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// Export categories for this account
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let categoriesById = Dictionary(uniqueKeysWithValues: categories.map { ($0.id, $0) })
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let sourcesByCategory = Dictionary(grouping: accountSources) { $0.category?.id ?? UUID() }
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var categoriesArray: [[String: Any]] = []
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for (categoryId, categorySources) in sourcesByCategory {
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let category = categoriesById[categoryId]
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var categoryDict: [String: Any] = [
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"name": category?.name ?? "Uncategorized",
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"color": category?.colorHex ?? "#3B82F6",
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"icon": category?.icon ?? "chart.pie.fill"
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]
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var sourcesArray: [[String: Any]] = []
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for source in categorySources {
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var sourceDict: [String: Any] = [
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"name": source.name,
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"isActive": source.isActive,
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"notificationFrequency": source.notificationFrequency
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]
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var snapshotsArray: [[String: Any]] = []
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for snapshot in source.snapshotsArray {
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var snapshotDict: [String: Any] = [
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"date": ISO8601DateFormatter().string(from: snapshot.date),
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"value": NSDecimalNumber(decimal: snapshot.decimalValue).doubleValue
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]
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if snapshot.contribution != nil {
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snapshotDict["contribution"] = NSDecimalNumber(
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decimal: snapshot.decimalContribution
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).doubleValue
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}
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if let notes = snapshot.notes, !notes.isEmpty {
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snapshotDict["notes"] = notes
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}
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snapshotsArray.append(snapshotDict)
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}
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sourceDict["snapshots"] = snapshotsArray
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sourcesArray.append(sourceDict)
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}
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categoryDict["sources"] = sourcesArray
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categoriesArray.append(categoryDict)
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}
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accountDict["categories"] = categoriesArray
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accountsArray.append(accountDict)
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}
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exportData["accounts"] = accountsArray
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// Add summary
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let totalValue = sources.reduce(Decimal.zero) { $0 + $1.latestValue }
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exportData["summary"] = [
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"totalSources": sources.count,
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"totalCategories": categories.count,
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"totalValue": NSDecimalNumber(decimal: totalValue).doubleValue,
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"totalSnapshots": sources.reduce(0) { $0 + $1.snapshotCount }
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]
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// Convert to JSON
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do {
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let jsonData = try JSONSerialization.data(
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withJSONObject: exportData,
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options: [.prettyPrinted, .sortedKeys]
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)
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return String(data: jsonData, encoding: .utf8) ?? "{}"
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} catch {
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print("JSON export error: \(error)")
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return "{}"
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}
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}
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// MARK: - Share
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func share(
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format: ExportFormat,
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sources: [InvestmentSource],
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categories: [Category],
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from viewController: UIViewController
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) {
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let content: String
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let fileName: String
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switch format {
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case .csv:
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content = exportToCSV(sources: sources, categories: categories)
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fileName = "investment_tracker_export.csv"
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case .json:
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content = exportToJSON(sources: sources, categories: categories)
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fileName = "investment_tracker_export.json"
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}
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// Create temporary file
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let tempURL = FileManager.default.temporaryDirectory
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.appendingPathComponent(fileName)
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do {
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try content.write(to: tempURL, atomically: true, encoding: .utf8)
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let activityVC = UIActivityViewController(
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activityItems: [tempURL],
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applicationActivities: nil
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)
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// iPad support
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if let popover = activityVC.popoverPresentationController {
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popover.sourceView = viewController.view
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popover.sourceRect = CGRect(
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x: viewController.view.bounds.midX,
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y: viewController.view.bounds.midY,
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width: 0,
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height: 0
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)
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}
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viewController.present(activityVC, animated: true) {
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FirebaseService.shared.logExportAttempt(
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format: format.rawValue,
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success: true
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)
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}
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} catch {
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print("Export error: \(error)")
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FirebaseService.shared.logExportAttempt(
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format: format.rawValue,
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success: false
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)
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}
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}
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// MARK: - Helpers
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private func formatDate(_ date: Date) -> String {
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let formatter = DateFormatter()
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formatter.dateFormat = "yyyy-MM-dd"
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return formatter.string(from: date)
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}
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private func formatDecimal(_ decimal: Decimal) -> String {
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let formatter = NumberFormatter()
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formatter.numberStyle = .decimal
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formatter.minimumFractionDigits = 2
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formatter.maximumFractionDigits = 2
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formatter.decimalSeparator = "."
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formatter.groupingSeparator = ""
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return formatter.string(from: decimal as NSDecimalNumber) ?? "0.00"
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}
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private func escapeCSV(_ value: String) -> String {
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var escaped = value
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if escaped.contains("\"") || escaped.contains(",") || escaped.contains("\n") {
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escaped = escaped.replacingOccurrences(of: "\"", with: "\"\"")
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escaped = "\"\(escaped)\""
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}
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return escaped
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}
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}
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// MARK: - Import Service (Future)
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extension ExportService {
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func importFromCSV(_ content: String) -> (sources: [ImportedSource], errors: [String]) {
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// Future implementation for importing data
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return ([], ["Import not yet implemented"])
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}
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struct ImportedSource {
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let name: String
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let categoryName: String
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let snapshots: [(date: Date, value: Decimal, contribution: Decimal?, notes: String?)]
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}
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}
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