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Implement export maintenance events #345
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mikaelacaron
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mikaelacaron:dev
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OmarHegazy93:342-export-maintenance-events-pdf
Oct 25, 2024
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185 changes: 185 additions & 0 deletions
185
Basic-Car-Maintenance/Shared/Dashboard/CarMaintenancePDFGenerator.swift
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Original file line number | Diff line number | Diff line change |
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@@ -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 | ||
|
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beginNewPage( | ||
context: context, | ||
yPosition: &yPosition, | ||
isFirstPage: true | ||
) | ||
|
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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 | ||
) | ||
} | ||
|
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event.date | ||
.formatted() | ||
.draw(at: CGPoint(x: leftMargin, y: yPosition), withAttributes: tableRowAttributes) | ||
|
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vehicleName.draw( | ||
at: CGPoint(x: leftMargin + columnWidth, y: yPosition), | ||
withAttributes: tableRowAttributes | ||
) | ||
|
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let notesRect = CGRect( | ||
x: leftMargin + 2 * columnWidth, | ||
y: yPosition, | ||
width: columnWidth - 20, | ||
height: 50 | ||
) | ||
event.notes.draw(in: notesRect, withAttributes: tableRowAttributes) | ||
|
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yPosition += 60 | ||
} | ||
} | ||
|
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do { | ||
guard let fileURL = documentsDirectory? | ||
.appendingPathComponent("\(vehicleName)-MaintenanceReport.pdf") | ||
else { return nil } | ||
|
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if FileManager.default.fileExists(atPath: fileURL.absoluteString) { | ||
try FileManager.default.removeItem(at: fileURL) | ||
} | ||
|
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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 | ||
} | ||
} | ||
|
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/// 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 | ||
] | ||
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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)" | ||
|
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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 | ||
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titleString.draw(at: CGPoint(x: titleX, y: yPosition), withAttributes: titleAttributes) | ||
yPosition += 30 | ||
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vehicleName.draw(at: CGPoint(x: vehicleX, y: yPosition), withAttributes: subtitleAttributes) | ||
yPosition += 30 | ||
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eventTitleString.draw(at: CGPoint(x: eventTitleX, y: yPosition), withAttributes: subtitleAttributes) | ||
yPosition += 30 | ||
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dateRangeString.draw(at: CGPoint(x: dateRangeX, y: yPosition), withAttributes: subtitleAttributes) | ||
yPosition += 50 | ||
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drawColumnsHeaders(yPosition: &yPosition) | ||
} | ||
|
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private func beginNewPage( | ||
context: UIGraphicsPDFRendererContext, | ||
yPosition: inout CGFloat, | ||
isFirstPage: Bool | ||
) { | ||
context.beginPage() | ||
yPosition = topMargin | ||
|
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if isFirstPage { | ||
drawHeader(context: context, yPosition: &yPosition) | ||
} | ||
} | ||
|
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private func drawColumnsHeaders(yPosition: inout CGFloat) { | ||
let dateColumnHeader = "Date" | ||
let vehicleColumnHeader = "Vehicle Name" | ||
let noteColumnHeader = "Notes" | ||
|
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let subtitleAttributes: [NSAttributedString.Key: Any] = [ | ||
.font: UIFont.boldSystemFont(ofSize: 16), | ||
.foregroundColor: UIColor.black | ||
] | ||
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dateColumnHeader.draw( | ||
at: CGPoint(x: leftMargin, y: yPosition), | ||
withAttributes: subtitleAttributes | ||
) | ||
|
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vehicleColumnHeader.draw( | ||
at: CGPoint(x: leftMargin + columnWidth, y: yPosition), | ||
withAttributes: subtitleAttributes | ||
) | ||
|
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let notesRect = CGRect( | ||
x: leftMargin + 2 * columnWidth, | ||
y: yPosition, | ||
width: columnWidth - 20, | ||
height: 50 | ||
) | ||
noteColumnHeader.draw(in: notesRect, withAttributes: subtitleAttributes) | ||
|
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yPosition += 30 | ||
} | ||
} |
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79 changes: 79 additions & 0 deletions
79
Basic-Car-Maintenance/Shared/Dashboard/Views/ExportOptionsView.swift
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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. | ||
// | ||
|
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import SwiftUI | ||
import PDFKit | ||
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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]] | ||
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init(dataSource: [Vehicle: [MaintenanceEvent]]) { | ||
self.dataSource = dataSource | ||
self._selectedVehicle = State(initialValue: dataSource.first?.key) | ||
} | ||
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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) | ||
Comment on lines
+26
to
+30
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. this could be the There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. |
||
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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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this could be a scroll view to be able to accommodate dynamic type sizes