initial version
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alexandrev-tibco
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import SwiftUI
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import UniformTypeIdentifiers
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import UIKit
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struct ImportDataView: View {
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@EnvironmentObject private var iapService: IAPService
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@EnvironmentObject private var accountStore: AccountStore
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@EnvironmentObject private var tabSelection: TabSelectionStore
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@Environment(\.dismiss) private var dismiss
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@State private var selectedFormat: ImportService.ImportFormat = .csv
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@State private var showingImporter = false
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@State private var resultMessage: String?
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@State private var errorMessage: String?
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@State private var isImporting = false
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@State private var importProgress: Double = 0
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@State private var importStatus = "Preparing import"
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var body: some View {
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NavigationStack {
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List {
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Section {
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Picker("Format", selection: $selectedFormat) {
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Text("CSV").tag(ImportService.ImportFormat.csv)
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Text("JSON").tag(ImportService.ImportFormat.json)
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}
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.pickerStyle(.segmented)
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.disabled(isImporting)
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Button {
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showingImporter = true
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} label: {
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Label("Choose File", systemImage: "doc")
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}
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.disabled(isImporting)
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Button {
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importFromClipboard()
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} label: {
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Label("Paste from Clipboard", systemImage: "doc.on.clipboard")
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}
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.disabled(isImporting)
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if isImporting {
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VStack(alignment: .leading, spacing: 8) {
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ProgressView(value: importProgress)
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Text(importStatus)
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.font(.caption)
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.foregroundColor(.secondary)
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}
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.padding(.top, 8)
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}
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} header: {
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Text("Import")
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} footer: {
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Text("Your data will be merged with existing categories and sources.")
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}
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Section {
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if selectedFormat == .csv {
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csvDocs
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} else {
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jsonDocs
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}
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} header: {
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Text("Format Guide")
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} footer: {
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Text(iapService.isPremium ? "Accounts are imported as provided." : "Free users import into the Personal account.")
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}
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Section {
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Button {
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shareSampleFile()
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} label: {
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Label("Share Sample \(selectedFormat == .csv ? "CSV" : "JSON")", systemImage: "square.and.arrow.up")
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}
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} footer: {
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Text("Use this sample file to email yourself a template.")
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}
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}
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.navigationTitle("Import Data")
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.navigationBarTitleDisplayMode(.inline)
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.toolbar {
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ToolbarItem(placement: .navigationBarTrailing) {
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Button("Done") { dismiss() }
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.disabled(isImporting)
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}
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}
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.fileImporter(
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isPresented: $showingImporter,
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allowedContentTypes: selectedFormat == .csv
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? [.commaSeparatedText, .plainText, .text]
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: [.json, .plainText, .text],
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allowsMultipleSelection: false
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) { result in
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handleImport(result)
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}
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.alert(
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"Import Complete",
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isPresented: Binding(
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get: { resultMessage != nil },
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set: { if !$0 { resultMessage = nil } }
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)
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) {
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Button("OK") { resultMessage = nil }
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} message: {
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Text(resultMessage ?? "")
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}
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.alert(
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"Import Error",
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isPresented: Binding(
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get: { errorMessage != nil },
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set: { if !$0 { errorMessage = nil } }
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)
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) {
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Button("OK") { errorMessage = nil }
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} message: {
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Text(errorMessage ?? "")
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}
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}
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.presentationDetents([.large])
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}
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private var csvDocs: some View {
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VStack(alignment: .leading, spacing: 8) {
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Text("Headers")
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.font(.headline)
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Text("Account,Category,Source,Date,Value,Contribution,Notes")
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.font(.caption.monospaced())
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Text("Example")
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.font(.headline)
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Text("""
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Personal,Stocks,Index Fund,2024-01-01,15000,12000,Long-term
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,Crypto,BTC,01/15/2024 14:30,3200,,Cold storage
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""")
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.font(.caption.monospaced())
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Text("Account, Contribution, and Notes are optional. Dates accept / or - and 24h/12h time.")
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.font(.caption)
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.foregroundColor(.secondary)
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}
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}
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private var jsonDocs: some View {
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VStack(alignment: .leading, spacing: 8) {
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Text("Top-level keys")
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.font(.headline)
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Text("version, currency, accounts")
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.font(.caption.monospaced())
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Text("Example")
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.font(.headline)
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Text("""
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{
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"version": 2,
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"currency": "EUR",
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"accounts": [{
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"name": "Personal",
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"inputMode": "simple",
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"notificationFrequency": "monthly",
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"categories": [{
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"name": "Stocks",
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"color": "#3B82F6",
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"icon": "chart.line.uptrend.xyaxis",
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"sources": [{
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"name": "Index Fund",
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"snapshots": [{
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"date": "2024-01-01T00:00:00Z",
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"value": 15000,
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"contribution": 12000
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}]
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}]
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}]
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}]
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}
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""")
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.font(.caption.monospaced())
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}
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}
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private func handleImport(_ result: Result<[URL], Error>) {
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do {
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let urls = try result.get()
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guard let url = urls.first else { return }
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let content = try readFileContents(from: url)
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handleImportContent(content)
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} catch {
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errorMessage = "Could not read the selected file. \(error.localizedDescription)"
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}
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}
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private func readFileContents(from url: URL) throws -> String {
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let accessing = url.startAccessingSecurityScopedResource()
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defer {
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if accessing {
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url.stopAccessingSecurityScopedResource()
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}
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}
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var coordinatorError: NSError?
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var contentError: NSError?
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var content = ""
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let coordinator = NSFileCoordinator()
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coordinator.coordinate(readingItemAt: url, options: [], error: &coordinatorError) { fileURL in
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do {
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if let isUbiquitous = try? fileURL.resourceValues(forKeys: [.isUbiquitousItemKey]).isUbiquitousItem,
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isUbiquitous {
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try? FileManager.default.startDownloadingUbiquitousItem(at: fileURL)
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}
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let data = try Data(contentsOf: fileURL)
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if let decoded = String(data: data, encoding: .utf8)
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?? String(data: data, encoding: .utf16)
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?? String(data: data, encoding: .isoLatin1) {
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content = decoded
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} else {
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throw NSError(
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domain: "ImportDataView",
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code: 1,
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userInfo: [NSLocalizedDescriptionKey: "Unsupported text encoding."]
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)
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}
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} catch {
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contentError = error as NSError
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}
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}
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if let coordinatorError {
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throw coordinatorError
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}
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if let contentError {
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throw contentError
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}
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return content
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}
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private func importFromClipboard() {
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guard let content = UIPasteboard.general.string,
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!content.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty else {
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errorMessage = "Clipboard is empty."
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return
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}
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handleImportContent(content)
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}
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private func handleImportContent(_ content: String) {
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let allowMultipleAccounts = iapService.isPremium
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let defaultAccountName = accountStore.selectedAccount?.name
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?? accountStore.accounts.first?.name
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isImporting = true
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importProgress = 0
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importStatus = "Parsing file"
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Task {
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let importResult = await ImportService.shared.importDataAsync(
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content: content,
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format: selectedFormat,
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allowMultipleAccounts: allowMultipleAccounts,
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defaultAccountName: defaultAccountName
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) { progress in
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importProgress = progress.fraction
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importStatus = progress.message
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}
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isImporting = false
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if importResult.errors.isEmpty {
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resultMessage = "Imported \(importResult.sourcesCreated) sources and \(importResult.snapshotsCreated) snapshots."
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tabSelection.selectedTab = 0
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dismiss()
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} else {
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errorMessage = importResult.errors.joined(separator: "\n")
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}
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}
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}
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private func shareSampleFile() {
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if selectedFormat == .csv {
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ShareService.shared.shareTextFile(
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content: ImportService.sampleCSV(),
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fileName: "investment_tracker_sample.csv"
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)
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} else {
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ShareService.shared.shareTextFile(
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content: ImportService.sampleJSON(),
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fileName: "investment_tracker_sample.json"
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)
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}
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}
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}
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#Preview {
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ImportDataView()
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.environmentObject(IAPService())
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.environmentObject(AccountStore(iapService: IAPService()))
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}
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