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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,185 @@ | ||
| // | ||
| // CarMaintenancePDFGenerator.swift | ||
| // Basic-Car-Maintenance | ||
| // | ||
| // https://github.com/mikaelacaron/Basic-Car-Maintenance | ||
| // See LICENSE for license information. | ||
| // | ||
|
|
||
| import UIKit | ||
| import PDFKit | ||
|
|
||
| final class CarMaintenancePDFGenerator { | ||
| private let vehicleName: String | ||
| private let events: [MaintenanceEvent] | ||
|
|
||
| // Define page margins | ||
| private let topMargin: CGFloat = 50 | ||
| private let bottomMargin: CGFloat = 50 | ||
| private let leftMargin: CGFloat = 20 | ||
| private let rightMargin: CGFloat = 20 | ||
| private let columnWidth: CGFloat | ||
| private let documentsDirectory = FileManager | ||
| .default | ||
| .urls(for: .documentDirectory, in: .userDomainMask) | ||
| .first | ||
|
|
||
| init(vehicleName: String, events: [MaintenanceEvent]) { | ||
| self.vehicleName = vehicleName | ||
| self.events = events | ||
| self.columnWidth = (PageDimension.A4.pageWidth - leftMargin - rightMargin) / 3 | ||
| } | ||
|
|
||
| func generatePDF() -> PDFDocument? { | ||
| guard !events.isEmpty else { return nil } | ||
| let pdfRenderer = UIGraphicsPDFRenderer(bounds: CGRect(origin: .zero, size: PageDimension.A4.size)) | ||
| let pdfData = pdfRenderer.pdfData { context in | ||
| var yPosition: CGFloat = topMargin | ||
|
|
||
| beginNewPage( | ||
| context: context, | ||
| yPosition: &yPosition, | ||
| isFirstPage: true | ||
| ) | ||
|
|
||
| let tableRowAttributes: [NSAttributedString.Key: Any] = [ | ||
| .font: UIFont.systemFont(ofSize: 14), | ||
| .foregroundColor: UIColor.black | ||
| ] | ||
|
|
||
| for (index, event) in events.enumerated() { | ||
| if yPosition + 60 > PageDimension.A4.pageHeight - bottomMargin { | ||
| beginNewPage( | ||
| context: context, | ||
| yPosition: &yPosition, | ||
| isFirstPage: index == 0 | ||
| ) | ||
| } | ||
|
|
||
| event.date | ||
| .formatted() | ||
| .draw(at: CGPoint(x: leftMargin, y: yPosition), withAttributes: tableRowAttributes) | ||
|
|
||
| vehicleName.draw( | ||
| at: CGPoint(x: leftMargin + columnWidth, y: yPosition), | ||
| withAttributes: tableRowAttributes | ||
| ) | ||
|
|
||
| let notesRect = CGRect( | ||
| x: leftMargin + 2 * columnWidth, | ||
| y: yPosition, | ||
| width: columnWidth - 20, | ||
| height: 50 | ||
| ) | ||
| event.notes.draw(in: notesRect, withAttributes: tableRowAttributes) | ||
|
|
||
| yPosition += 60 | ||
| } | ||
| } | ||
|
|
||
| do { | ||
| guard let fileURL = documentsDirectory? | ||
| .appendingPathComponent("\(vehicleName)-MaintenanceReport.pdf") | ||
| else { return nil } | ||
|
|
||
| if FileManager.default.fileExists(atPath: fileURL.absoluteString) { | ||
| try FileManager.default.removeItem(at: fileURL) | ||
| } | ||
|
|
||
| try pdfData.write(to: fileURL) | ||
| print("PDF saved to: \(fileURL.path)") | ||
| return PDFDocument(url: fileURL) | ||
| } catch { | ||
| print("Could not save the PDF: \(error)") | ||
| return nil | ||
| } | ||
| } | ||
|
|
||
| /// Draw the center header and header columns | ||
| private func drawHeader(context: UIGraphicsPDFRendererContext, yPosition: inout CGFloat) { | ||
| let titleAttributes: [NSAttributedString.Key: Any] = [ | ||
| .font: UIFont.boldSystemFont(ofSize: 20), | ||
| .foregroundColor: UIColor.black | ||
| ] | ||
| let subtitleAttributes: [NSAttributedString.Key: Any] = [ | ||
| .font: UIFont.systemFont(ofSize: 16), | ||
| .foregroundColor: UIColor.black | ||
| ] | ||
|
|
||
| let titleString = "Basic Car Maintenance" | ||
| let eventTitleString = "Maintenance Events" | ||
| guard | ||
| let startDate = events.first?.date.formatted(date: .numeric, time: .omitted), | ||
| let endDate = events.last?.date.formatted(date: .numeric, time: .omitted) | ||
| else { return } | ||
| let dateRangeString = "From \(startDate) to \(endDate)" | ||
|
|
||
| let titleSize = titleString.size(withAttributes: titleAttributes) | ||
| let vehicleSize = vehicleName.size(withAttributes: subtitleAttributes) | ||
| let eventTitleSize = eventTitleString.size(withAttributes: subtitleAttributes) | ||
| let dateRangeSize = dateRangeString.size(withAttributes: subtitleAttributes) | ||
|
|
||
| let titleX = (PageDimension.A4.pageWidth - titleSize.width) / 2 | ||
| let vehicleX = (PageDimension.A4.pageWidth - vehicleSize.width) / 2 | ||
| let eventTitleX = (PageDimension.A4.pageWidth - eventTitleSize.width) / 2 | ||
| let dateRangeX = (PageDimension.A4.pageWidth - dateRangeSize.width) / 2 | ||
|
|
||
| titleString.draw(at: CGPoint(x: titleX, y: yPosition), withAttributes: titleAttributes) | ||
| yPosition += 30 | ||
|
|
||
| vehicleName.draw(at: CGPoint(x: vehicleX, y: yPosition), withAttributes: subtitleAttributes) | ||
| yPosition += 30 | ||
|
|
||
| eventTitleString.draw(at: CGPoint(x: eventTitleX, y: yPosition), withAttributes: subtitleAttributes) | ||
| yPosition += 30 | ||
|
|
||
| dateRangeString.draw(at: CGPoint(x: dateRangeX, y: yPosition), withAttributes: subtitleAttributes) | ||
| yPosition += 50 | ||
|
|
||
| drawColumnsHeaders(yPosition: &yPosition) | ||
| } | ||
|
|
||
| private func beginNewPage( | ||
| context: UIGraphicsPDFRendererContext, | ||
| yPosition: inout CGFloat, | ||
| isFirstPage: Bool | ||
| ) { | ||
| context.beginPage() | ||
| yPosition = topMargin | ||
|
|
||
| if isFirstPage { | ||
| drawHeader(context: context, yPosition: &yPosition) | ||
| } | ||
| } | ||
|
|
||
| private func drawColumnsHeaders(yPosition: inout CGFloat) { | ||
| let dateColumnHeader = "Date" | ||
| let vehicleColumnHeader = "Vehicle Name" | ||
| let noteColumnHeader = "Notes" | ||
|
|
||
| let subtitleAttributes: [NSAttributedString.Key: Any] = [ | ||
| .font: UIFont.boldSystemFont(ofSize: 16), | ||
| .foregroundColor: UIColor.black | ||
| ] | ||
|
|
||
| dateColumnHeader.draw( | ||
| at: CGPoint(x: leftMargin, y: yPosition), | ||
| withAttributes: subtitleAttributes | ||
| ) | ||
|
|
||
| vehicleColumnHeader.draw( | ||
| at: CGPoint(x: leftMargin + columnWidth, y: yPosition), | ||
| withAttributes: subtitleAttributes | ||
| ) | ||
|
|
||
| let notesRect = CGRect( | ||
| x: leftMargin + 2 * columnWidth, | ||
| y: yPosition, | ||
| width: columnWidth - 20, | ||
| height: 50 | ||
| ) | ||
| noteColumnHeader.draw(in: notesRect, withAttributes: subtitleAttributes) | ||
|
|
||
| yPosition += 30 | ||
| } | ||
| } | ||
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This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| // | ||
| // ExportOptionsView.swift | ||
| // Basic-Car-Maintenance | ||
| // | ||
| // https://github.com/mikaelacaron/Basic-Car-Maintenance | ||
| // See LICENSE for license information. | ||
| // | ||
|
|
||
| import SwiftUI | ||
| import PDFKit | ||
|
|
||
| struct ExportOptionsView: View { | ||
| @Environment(\.dismiss) var dismiss | ||
| @State private var selectedVehicle: Vehicle? | ||
| @State private var isShowingThumbnail = false | ||
| @State private var pdfDoc: PDFDocument? | ||
|
|
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| private let dataSource: [Vehicle: [MaintenanceEvent]] | ||
|
|
||
| init(dataSource: [Vehicle: [MaintenanceEvent]]) { | ||
| self.dataSource = dataSource | ||
| self._selectedVehicle = State(initialValue: dataSource.first?.key) | ||
| } | ||
|
|
||
| var body: some View { | ||
| NavigationView { | ||
| VStack(alignment: .leading, spacing: 16) { | ||
| Text("Select the vehicle you want to export the maintenance events for:") | ||
| .font(.headline) | ||
| .padding(.top, 20) | ||
|
|
||
| Picker("Select a Vehicle", selection: $selectedVehicle) { | ||
| ForEach(dataSource.map(\.key)) { vehicle in | ||
| Text(vehicle.name) | ||
| .tag(vehicle) | ||
| } | ||
| } | ||
| .pickerStyle(.wheel) | ||
| } | ||
| .padding(.horizontal) | ||
| .toolbar { | ||
| ToolbarItem(placement: .topBarTrailing) { | ||
| Button("Export") { | ||
| if let selectedVehicle, | ||
| let events = self.dataSource[selectedVehicle] { | ||
| let pdfGenerator = CarMaintenancePDFGenerator( | ||
| vehicleName: selectedVehicle.name, | ||
| events: events | ||
| ) | ||
| self.pdfDoc = pdfGenerator.generatePDF() | ||
| isShowingThumbnail = true | ||
| } | ||
| } | ||
| } | ||
| } | ||
| .sheet(isPresented: $isShowingThumbnail) { | ||
| if let pdfDoc, | ||
| let url = pdfDoc.documentURL, | ||
| let thumbnail = pdfDoc | ||
| .page(at: .zero)? | ||
| .thumbnail( | ||
| of: CGSize( | ||
| width: UIScreen.main.bounds.width, | ||
| height: UIScreen.main.bounds.height / 2), | ||
| for: .mediaBox | ||
| ) { | ||
| ShareLink(item: url) { | ||
| VStack { | ||
| Image(uiImage: thumbnail) | ||
| Label("Share", systemImage: SFSymbol.share) | ||
| } | ||
| .safeAreaPadding(.bottom) | ||
| } | ||
| .presentationDetents([.medium]) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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