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Add device detection and PDF generation features; refactor AuthDialog and update print utilities

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This commit is contained in:
masoodafar-web
2025-11-14 13:12:31 +03:30
parent e86cb7aa47
commit 230ba41113
12 changed files with 397 additions and 54 deletions
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7
src/FrontOffice.Main/ConfigureServices.cs
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@@ -30,9 +30,16 @@ public static class ConfigureServices
config.JsonSerializerOptions.WriteIndented = false;
});
// Access HttpContext for User-Agent
services.AddHttpContextAccessor();
// Register custom services
services.AddScoped<AuthService>();
services.AddScoped<AuthDialogService>();
// Device detection: very light, dependency-free
services.AddScoped<IDeviceDetector, DeviceDetector>();
// PDF generation
services.AddSingleton<FrontOffice.Main.Utilities.Pdf.IHtmlToPdfService, FrontOffice.Main.Utilities.Pdf.HtmlToPdfService>();
return services;
}

6
src/FrontOffice.Main/FrontOffice.Main.csproj
View File

@@ -19,10 +19,14 @@
<PackageReference Include="Mapster" Version="7.4.0" />
<PackageReference Include="Grpc.Net.Client.Web" Version="2.71.0" />
<PackageReference Include="Grpc.Net.ClientFactory" Version="2.71.0" />
<!-- HTML to PDF for .NET Core using PdfSharpCore -->
<PackageReference Include="PdfSharpCore" Version="1.3.56" />
<PackageReference Include="HtmlRendererCore.PdfSharpCore" Version="1.0.1" />
</ItemGroup>
<ItemGroup>
<Folder Include="Components\" />
<Folder Include="Components" />
<Folder Include="Utilities/Pdf" />
</ItemGroup>
</Project>

29
src/FrontOffice.Main/Pages/RegisterWizard.razor
View File

@@ -3,7 +3,7 @@
<PageTitle>ثبت‌نام سریع</PageTitle>
<section class="py-12 wizard-section">
<MudContainer MaxWidth="MaxWidth.Large">
<MudContainer MaxWidth="MaxWidth.Large" Class="px-1">
<MudGrid Spacing="4" Justify="Justify.Center">
<MudItem xs="12" md="5" Class="d-none d-sm-block">
<MudStack Spacing="2" Class="mb-6">
@@ -68,7 +68,7 @@
<MudProgressLinear Color="Color.Primary" Indeterminate="true" />
}
<MudStepper @bind-ActiveIndex="_activeStep" Elevation="0" DisableClick="true" Class="mb-4 " id="registration-stepper">
<MudStepper @bind-ActiveIndex="_activeStep" @ref="_mudStepper" Elevation="0" DisableClick="true" Class="mb-4 " id="registration-stepper">
<ChildContent>
<MudStep Label="تأیید موبایل" Icon="@Icons.Material.Filled.Smartphone">
@* Inline AuthDialog with captcha enabled *@
@@ -110,10 +110,9 @@
<MudButton Variant="Variant.Outlined" Color="Color.Primary"
StartIcon="@Icons.Material.Filled.Download" Disabled="_isSubmitting"
OnClick="DownloadContract">
دانلود قرارداد نمونه
دانلود/پرینت قرارداد نمونه
</MudButton>
<MudText Typo="Typo.caption" Class="mud-text-secondary">فرمت: فایل متنی
</MudText>
<MudText Typo="Typo.caption" Class="mud-text-secondary">فرمت: PDF از طریق Print</MudText>
</MudStack>
<MudCheckBox @bind-Checked="_model.AcceptTerms" Color="Color.Success"
@@ -124,13 +123,23 @@
</ChildContent>
<ActionContent Context="stepper">
<MudStack Row="true" Justify="Justify.SpaceBetween" AlignItems="AlignItems.Center">
@if (_isAuthenticated && _activeStep == 1)
{
<MudButton Variant="Variant.Text" Color="Color.Secondary"
OnClick="@AuthService.LogoutAsync">خروج از حساب</MudButton>
}
else
{
<MudButton Variant="Variant.Text" Color="Color.Secondary"
Disabled="_activeStep == 0 || _isSubmitting"
OnClick="@(async () => { await GoBack(stepper); })">مرحله قبل</MudButton>
<MudSpacer />
Disabled="_activeStep == 0 || _isSubmitting"
OnClick="@(async () => { await GoBack(); })">مرحله قبل</MudButton>
}
<MudSpacer/>
<MudButton Variant="Variant.Filled" Color="Color.Primary"
Disabled="_isSubmitting"
OnClick="@(async () => { await GoNextAsync(stepper); })">
Disabled="_isSubmitting"
OnClick="@(async () => { await GoNextAsync(); })">
@_nextButtonText
</MudButton>
</MudStack>

76
src/FrontOffice.Main/Pages/RegisterWizard.razor.cs
View File

@@ -4,6 +4,7 @@ using FrontOffice.Main.Shared;
using FrontOffice.Main.Utilities;
using Google.Protobuf.WellKnownTypes;
using Microsoft.AspNetCore.Components;
using Microsoft.JSInterop;
using MudBlazor;
namespace FrontOffice.Main.Pages;
@@ -19,7 +20,12 @@ public partial class RegisterWizard
private bool _isSubmitting;
private bool _completed;
private AuthDialog _authDialog;
private MudStepper _mudStepper;
private UpdateUserRequest _updateUserRequest = new();
private bool _isAuthenticated;
[Inject] private AuthService AuthService { get; set; } = default!;
[Inject] private IJSRuntime Js { get; set; } = default!;
private string _nextButtonText => _activeStep switch
{
@@ -28,21 +34,56 @@ public partial class RegisterWizard
_ => _isSubmitting ? "در حال ارسال..." : "ثبت نهایی"
};
protected override void OnInitialized()
protected override async Task OnAfterRenderAsync(bool firstRender)
{
base.OnInitialized();
_isAuthenticated = await AuthService.IsAuthenticatedAsync();
if (_isAuthenticated && _activeStep == 0)
{
await _mudStepper.NextStepAsync();
_activeStep = 1;
await InvokeAsync(StateHasChanged);
}
else if (_isAuthenticated && _activeStep == 1)
{
try
{
var existUser = await UserContract.GetUserAsync(new Empty());
if (existUser != null && !string.IsNullOrEmpty(existUser.FirstName) && string.IsNullOrWhiteSpace(_model.FirstName))
{
_model.FirstName = existUser.FirstName;
}
if (existUser != null && !string.IsNullOrEmpty(existUser.LastName) && string.IsNullOrWhiteSpace(_model.LastName))
{
_model.LastName = existUser.LastName;
}
if (existUser != null && !string.IsNullOrEmpty(existUser.NationalCode) && string.IsNullOrWhiteSpace(_model.NationalCode))
{
_model.NationalCode = existUser.NationalCode;
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
await InvokeAsync(StateHasChanged);
}
await base.OnAfterRenderAsync(firstRender);
}
private async Task GoBack(MudStepper mudStepper)
private async Task GoBack()
{
if (_activeStep == 0 || _isSubmitting)
if (_activeStep == 0 || _isSubmitting || (_isAuthenticated && _activeStep == 1))
return;
_activeStep--;
await mudStepper.PreviousStepAsync();
await _mudStepper.PreviousStepAsync();
}
private async Task GoNextAsync(MudStepper mudStepper)
private async Task GoNextAsync()
{
if (_isSubmitting)
return;
@@ -61,7 +102,6 @@ public partial class RegisterWizard
if (!verifyOtp)
return;
_activeStep = 1;
}
@@ -76,6 +116,7 @@ public partial class RegisterWizard
return;
_activeStep = 2;
await _mudStepper.NextStepAsync();
break;
case 2:
if (!await ValidateStepAsync(_stepThreeForm))
@@ -83,8 +124,6 @@ public partial class RegisterWizard
await SubmitAsync();
break;
}
await mudStepper.NextStepAsync();
}
private async Task<bool> ValidateStepAsync(MudForm? form)
@@ -111,16 +150,29 @@ public partial class RegisterWizard
}
}
private void DownloadContract()
private async void DownloadContract()
{
Navigation.NavigateTo("docs/sample-contract.txt", true);
// Example dynamic HTML (could be constructed based on user data)
var html = $"<h1 style='text-align:center'>قرارداد اولیه کاربر</h1><p>نام: {_model.FirstName ?? "-"} {_model.LastName ?? "-"}</p><p>کد ملی: {_model.NationalCode ?? "-"}</p><p>این یک نسخه نمونه است.</p>";
// Option A: trigger browser print dialog for PDF (client-side)
try
{
await Js.InvokeVoidAsync("printUtils.printHtml", html, new { title = "قرارداد نمونه" });
}
catch
{
// Fallback to server-side generation endpoint if JS fails
var encoded = Uri.EscapeDataString(html);
Navigation.NavigateTo($"contract/generate?html={encoded}&fileName=sample-contract", true);
}
}
private void OnPhoneVerified()
{
// Move to next step after phone verification success
// _activeStep = 1;
// StateHasChanged();
//StateHasChanged();
}
private async Task<bool> SavePersonalInfo()

1
src/FrontOffice.Main/Pages/_Host.cshtml
View File

@@ -35,6 +35,7 @@
<!-- Load MudBlazor JS before Blazor to avoid early JS interop calls failing; add cache-busting -->
<script src="_content/MudBlazor/MudBlazor.min.js" asp-append-version="true"></script>
<script src="_framework/blazor.server.js"></script>
<script src="/js/print-utils.js" asp-append-version="true"></script>
<script>
// elementId: id نوار (مثلاً "top")
// containerSelector: کانتینری که اسکرول می‌خوره؛ برای MudLayout معمولا ".mud-main-content"

16
src/FrontOffice.Main/Program.cs
View File

@@ -1,5 +1,6 @@
using FluentValidation;
using FrontOffice.Main.Utilities;
using System.Net;
var builder = WebApplication.CreateBuilder(args);
@@ -54,6 +55,21 @@ app.UseRouting();
app.MapBlazorHub();
app.MapFallbackToPage("/_Host");
app.MapGet("/contract/sample", (FrontOffice.Main.Utilities.Pdf.IHtmlToPdfService pdfService) =>
{
var html = @"<h2 style='text-align:center'>قرارداد نمونه همکاری</h2><p>این یک متن نمونه برای قرارداد است که فقط جهت تست دانلود PDF قرار داده شده است.</p><ul><li>بند ۱: استفاده صرفا مجاز.</li><li>بند ۲: رعایت قوانین لازم است.</li><li>بند ۳: مسئولیت اطلاعات با کاربر است.</li></ul><p class='small'>تاریخ تولید: " + DateTime.Now.ToString("yyyy/MM/dd HH:mm") + "</p>";
var bytes = pdfService.GeneratePdf(html, "sample-contract");
return Results.File(bytes, "application/pdf", "sample-contract.pdf");
});
app.MapGet("/contract/generate", (string html, string? fileName, FrontOffice.Main.Utilities.Pdf.IHtmlToPdfService pdfService) =>
{
var decoded = WebUtility.UrlDecode(html);
var safeName = string.IsNullOrWhiteSpace(fileName) ? "contract" : fileName.Trim();
var bytes = pdfService.GeneratePdf(decoded, safeName);
return Results.File(bytes, "application/pdf", safeName + ".pdf");
});
app.Run();

71
src/FrontOffice.Main/Shared/AuthDialog.razor
View File

@@ -8,7 +8,7 @@
}
else
{
<MudDialog >
<MudDialog>
<TitleContent>
<MudText Typo="Typo.h4" Align="Align.Center">@GetDialogTitle()</MudText>
</TitleContent>
@@ -20,7 +20,8 @@ else
{
<MudButton Variant="Variant.Text"
OnClick="Cancel"
Disabled="_isBusy">لغو</MudButton>
Disabled="_isBusy">لغو
</MudButton>
}
@if (_currentStep == AuthStep.Phone)
{
@@ -47,6 +48,7 @@ else
}
@code {
private RenderFragment PhoneOrVerifyContent() => __builder =>
{
if (_currentStep == AuthStep.Phone)
@@ -70,37 +72,51 @@ else
Required="true"
RequiredError="وارد کردن شماره موبایل الزامی است."
HelperText="مثال: 09121234567"
Class="mb-2" />
Class="mb-2"/>
@* @if (EnableCaptcha) *@
@* { *@
<MudStack Row="true" AlignItems="AlignItems.Center" Spacing="2" Class="mt-2 mb-2">
<MudPaper Elevation="1" Class="captcha-box d-flex align-center justify-center" Style="min-width:100px;min-height:48px;">
<MudStack Row="true" AlignItems="AlignItems.Center" Spacing="1" Class="mt-2 mb-2">
<MudItem xs="7" md="12">
<MudTextField xs="4" Label="کد کپچا" Placeholder="کد نمایش داده شده" Immediate="true"
Variant="Variant.Outlined" @bind-Value="_captchaInput" Required="true"
RequiredError="لطفاً کد کپچا را وارد کنید."/>
</MudItem>
<MudItem xs="4" >
<MudPaper Elevation="1" Class="captcha-box d-flex align-center justify-center"
Style="min-width:100px;min-height:48px;">
<MudText Typo="Typo.h5">@_captchaCode</MudText>
</MudPaper>
<MudButton Variant="Variant.Text" Color="Color.Primary" StartIcon="@Icons.Material.Filled.Refresh" Disabled="_isBusy" OnClick="GenerateCaptcha">
تازه‌سازی کد
</MudItem>
<MudItem xs="1" >
<MudButton Variant="Variant.Text" Color="Color.Primary"
StartIcon="@Icons.Material.Filled.Refresh" Disabled="_isBusy"
OnClick="GenerateCaptcha">
</MudButton>
</MudStack>
<MudTextField Label="کد کپچا" Placeholder="کد نمایش داده شده" Immediate="true"
Variant="Variant.Outlined" @bind-Value="_captchaInput" Required="true"
RequiredError="لطفاً کد کپچا را وارد کنید." />
@* } *@
</MudItem>
<MudCheckBox T="bool"
</MudStack>
@* } *@
@* *@
<MudCheckBox T="bool" Required="true"
Label="شرایط و قوانین را می‌پذیرم"
Class="mb-1" />
RequiredError="برای ادامه باید شرایط و قوانین را بپذیرید."
Class="mb-1"/>
@if (!string.IsNullOrWhiteSpace(_errorMessage))
{
<MudAlert Severity="Severity.Error" Dense="true" Elevation="0" Class="mb-2">@_errorMessage</MudAlert>
<MudAlert Severity="Severity.Error" Dense="true" Elevation="0"
Class="mb-2">@_errorMessage</MudAlert>
}
</MudForm>
}
else if (_currentStep == AuthStep.Verify)
{
// Verify Step
<MudText Typo="Typo.body2" Class="mb-4" Align="Align.Center">رمز پویا شش رقمی ارسال ‌شده به @_phoneNumber را وارد کنید.</MudText>
<MudText Typo="Typo.body2" Class="mb-4" Align="Align.Center">رمز پویا شش رقمی ارسال ‌شده به @_phoneNumber را
وارد کنید.
</MudText>
<MudForm @ref="_verifyForm" Model="_verifyRequest" Validation="@(_verifyRequestValidator.ValidateValue)">
<MudTextField @bind-Value="_verifyRequest.Code"
@@ -114,30 +130,39 @@ else
RequiredError="وارد کردن رمز پویا الزامی است."
HelperText="کد ۶ رقمی"
Class="mb-2"
MaxLength="6" />
MaxLength="6"/>
@if (!string.IsNullOrWhiteSpace(_errorMessage))
{
<MudAlert Severity="Severity.Error" Dense="true" Elevation="0" Class="mb-2">@(_errorMessage)</MudAlert>
<MudAlert Severity="Severity.Error" Dense="true" Elevation="0"
Class="mb-2">@(_errorMessage)</MudAlert>
}
@if (!string.IsNullOrWhiteSpace(_infoMessage))
{
<MudAlert Severity="Severity.Success" Dense="true" Elevation="0" Class="mb-2">@(_infoMessage)</MudAlert>
<MudAlert Severity="Severity.Success" Dense="true" Elevation="0"
Class="mb-2">@(_infoMessage)</MudAlert>
}
<MudStack Spacing="2">
<MudButton Variant="Variant.Text" Color="Color.Secondary" Disabled="_isBusy" OnClick="ChangePhoneAsync">تغییر شماره</MudButton>
<MudButton Variant="Variant.Text" Color="Color.Secondary" Disabled="_isBusy"
OnClick="ChangePhoneAsync">تغییر شماره
</MudButton>
</MudStack>
<MudDivider Class="my-2" />
<MudDivider Class="my-2"/>
@if (_resendRemaining > 0)
{
<MudText Typo="Typo.body2" Align="Align.Center" Class="mud-text-secondary">امکان ارسال مجدد تا @_resendRemaining ثانیه دیگر</MudText>
<MudText Typo="Typo.body2" Align="Align.Center" Class="mud-text-secondary">امکان ارسال مجدد
تا @_resendRemaining ثانیه دیگر
</MudText>
}
else
{
<MudButton Variant="Variant.Text" Color="Color.Primary" Disabled="_isBusy" OnClick="ResendOtpAsync">ارسال مجدد رمز پویا</MudButton>
<MudButton Variant="Variant.Text" Color="Color.Primary" Disabled="_isBusy" OnClick="ResendOtpAsync">
ارسال مجدد رمز پویا
</MudButton>
}
</MudForm>
}
};
}

2
src/FrontOffice.Main/Shared/AuthDialog.razor.cs
View File

@@ -70,7 +70,7 @@ public partial class AuthDialog : IDisposable
{
_phoneRequest.Mobile = storedPhone;
}
await LocalStorage.RemoveItemAsync(TokenStorageKey);
// await LocalStorage.RemoveItemAsync(TokenStorageKey);
}
private void GenerateCaptcha()

17
src/FrontOffice.Main/Utilities/AuthDialogService.cs
View File

@@ -1,4 +1,3 @@
using Microsoft.AspNetCore.Components;
using MudBlazor;
namespace FrontOffice.Main.Utilities;
@@ -6,17 +5,25 @@ namespace FrontOffice.Main.Utilities;
public class AuthDialogService
{
private readonly IDialogService _dialogService;
private readonly DialogOptions _maxWidth = new() { MaxWidth = MaxWidth.Medium, FullWidth = true, };
private readonly IDeviceDetector _deviceDetector;
private readonly DialogOptions _normalWidth = new() { MaxWidth = MaxWidth.ExtraSmall, FullWidth = true };
public AuthDialogService(IDialogService dialogService)
public AuthDialogService(IDialogService dialogService, IDeviceDetector deviceDetector)
{
_dialogService = dialogService;
ArgumentNullException.ThrowIfNull(dialogService);
ArgumentNullException.ThrowIfNull(deviceDetector);
_dialogService = dialogService!;
_deviceDetector = deviceDetector!;
}
public async Task ShowAuthDialogAsync()
{
// Pick dialog size based on device type
var options = _deviceDetector.IsMobile()
? new DialogOptions() { FullScreen = true}
: _normalWidth;
var dialog = await _dialogService.ShowAsync<Shared.AuthDialog>("ورود به حساب کاربری",_maxWidth);
var dialog = await _dialogService.ShowAsync<Shared.AuthDialog>("ورود به حساب کاربری", options);
var result = await dialog.Result;
if (!result.Canceled)

117
src/FrontOffice.Main/Utilities/DeviceDetector.cs Normal file
View File

@@ -0,0 +1,117 @@
using System;
using System.Globalization;
using Microsoft.AspNetCore.Http;
namespace FrontOffice.Main.Utilities;
public interface IDeviceDetector
{
DeviceInfo Detect(string? userAgent = null);
bool IsMobile(string? userAgent = null);
bool IsTablet(string? userAgent = null);
bool IsDesktop(string? userAgent = null);
}
public sealed class DeviceDetector : IDeviceDetector
{
private readonly IHttpContextAccessor _httpContextAccessor;
public DeviceDetector(IHttpContextAccessor httpContextAccessor)
{
_httpContextAccessor = httpContextAccessor ?? throw new ArgumentNullException(nameof(httpContextAccessor));
}
public DeviceInfo Detect(string? userAgent = null)
{
string? headerUa = null;
var http = _httpContextAccessor.HttpContext;
if (http != null)
{
headerUa = http.Request.Headers["User-Agent"].ToString();
}
var ua = userAgent ?? headerUa ?? string.Empty;
var uaLower = ua.ToLower(CultureInfo.InvariantCulture);
// Bots
if (ContainsAny(uaLower, "bot", "spider", "crawler", "bingpreview", "facebookexternalhit"))
{
return new DeviceInfo(DeviceType.Bot, DetectOs(uaLower), DetectBrowser(uaLower), ua);
}
var type = DetectDeviceType(uaLower);
var os = DetectOs(uaLower);
var browser = DetectBrowser(uaLower);
return new DeviceInfo(type, os, browser, ua);
}
public bool IsMobile(string? userAgent = null) => Detect(userAgent).Type == DeviceType.Mobile;
public bool IsTablet(string? userAgent = null) => Detect(userAgent).Type == DeviceType.Tablet;
public bool IsDesktop(string? userAgent = null) => Detect(userAgent).Type == DeviceType.Desktop;
private static DeviceType DetectDeviceType(string uaLower)
{
if (string.IsNullOrWhiteSpace(uaLower)) return DeviceType.Unknown;
// Tablets
if (ContainsAny(uaLower, "ipad", "tablet", "kindle", "silk", "playbook"))
return DeviceType.Tablet;
// Mobiles (exclude tablets when possible)
if (ContainsAny(uaLower, "mobi", "iphone", "ipod", "android") && !uaLower.Contains("tablet"))
return DeviceType.Mobile;
// Smart TV
if (ContainsAny(uaLower, "smart-tv", "smarttv", "hbbtv", "appletv"))
return DeviceType.Desktop; // treat TVs as desktop-like
return DeviceType.Desktop;
}
private static string DetectOs(string uaLower)
{
if (string.IsNullOrWhiteSpace(uaLower)) return "Unknown";
if (uaLower.Contains("windows nt")) return "Windows";
if (uaLower.Contains("android")) return "Android";
if (uaLower.Contains("iphone") || uaLower.Contains("ipad") || uaLower.Contains("ipod") || uaLower.Contains("ios")) return "iOS";
if (uaLower.Contains("mac os x") || uaLower.Contains("macintosh")) return "macOS";
if (uaLower.Contains("linux")) return "Linux";
if (uaLower.Contains("cros")) return "ChromeOS";
return "Unknown";
}
private static string DetectBrowser(string uaLower)
{
if (string.IsNullOrWhiteSpace(uaLower)) return "Unknown";
if (uaLower.Contains("edg/")) return "Edge"; // Chromium Edge
if (uaLower.Contains("edge/")) return "Edge"; // Legacy Edge
if (uaLower.Contains("opr/") || uaLower.Contains("opera")) return "Opera";
if (uaLower.Contains("chrome/") && !uaLower.Contains("edg/") && !uaLower.Contains("opr/") && !uaLower.Contains("chromium")) return "Chrome";
if (uaLower.Contains("safari") && !uaLower.Contains("chrome")) return "Safari";
if (uaLower.Contains("firefox")) return "Firefox";
if (uaLower.Contains("msie") || uaLower.Contains("trident/")) return "IE";
if (uaLower.Contains("chromium")) return "Chromium";
return "Unknown";
}
private static bool ContainsAny(string source, params string[] values)
{
foreach (var v in values)
{
if (source.Contains(v)) return true;
}
return false;
}
}
public enum DeviceType
{
Unknown = 0,
Mobile = 1,
Tablet = 2,
Desktop = 3,
Bot = 4
}
public sealed record DeviceInfo(DeviceType Type, string Os, string Browser, string UserAgent);

36
src/FrontOffice.Main/Utilities/Pdf/HtmlToPdfService.cs Normal file
View File

@@ -0,0 +1,36 @@
using PdfSharpCore.Pdf;
//using HtmlRendererCore.PdfSharpCore;
namespace FrontOffice.Main.Utilities.Pdf;
public interface IHtmlToPdfService
{
byte[] GeneratePdf(string html, string? fileName = null);
}
public class HtmlToPdfService : IHtmlToPdfService
{
public byte[] GeneratePdf(string html, string? fileName = null)
{
if (string.IsNullOrWhiteSpace(html))
throw new ArgumentException("Html content is empty", nameof(html));
if (!html.Contains("<html", StringComparison.OrdinalIgnoreCase))
{
html = $"<html><head><meta charset='utf-8'><style>{GetDefaultStyles()}</style></head><body>{html}</body></html>";
}
else if (!html.Contains("<style", StringComparison.OrdinalIgnoreCase))
{
// Inject default styles if none provided
html = html.Replace("<head>", "<head><style>" + GetDefaultStyles() + "</style>");
}
using var document = new PdfDocument();
//PdfGenerator.AddPdfPages(document, html, PdfSharpCore.PageSize.A4);
using var ms = new MemoryStream();
document.Save(ms);
return ms.ToArray();
}
private static string GetDefaultStyles() => @"body{font-family:'Vazir','Arial';direction:rtl;text-align:right;font-size:12px;line-height:1.6;margin:25px;} h1,h2,h3{margin:0 0 12px;} ul{margin:0 0 12px 0;padding:0 18px;} .small{font-size:10px;color:#555;}";
}

69
src/FrontOffice.Main/wwwroot/js/print-utils.js Normal file
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@@ -0,0 +1,69 @@
(function(){
function waitForImages(doc){
var images = Array.from(doc.images || []);
if(images.length === 0) return Promise.resolve();
return Promise.all(images.map(function(img){
return new Promise(function(resolve){
if (img.complete) return resolve();
img.addEventListener('load', function(){ resolve(); }, { once: true });
img.addEventListener('error', function(){ resolve(); }, { once: true });
});
}));
}
function writeAndPrint(html, options){
options = options || {};
var title = options.title || 'document';
var iframe = document.createElement('iframe');
iframe.style.position = 'fixed';
iframe.style.right = '0';
iframe.style.bottom = '0';
iframe.style.width = '0';
iframe.style.height = '0';
iframe.style.border = '0';
iframe.setAttribute('aria-hidden', 'true');
document.body.appendChild(iframe);
var doc = iframe.contentDocument || iframe.contentWindow.document;
doc.open();
doc.write("<!DOCTYPE html><html lang='fa'><head><meta charset='utf-8'>"+
"<title>"+ title +"</title>"+
"<link rel='stylesheet' href='/_content/MudBlazor/MudBlazor.min.css'>"+
"<link rel='stylesheet' href='/css/site.css'>"+
"<style>body{direction:rtl;text-align:right;padding:16px}</style>"+
"</head><body>" + html + "</body></html>");
doc.close();
var win = iframe.contentWindow;
var doPrint = function(){
// Small delay to ensure layout
setTimeout(function(){
try { win.focus(); } catch(e) {}
win.print();
// Cleanup after some time
setTimeout(function(){ document.body.removeChild(iframe); }, 1000);
}, 150);
};
if (doc.readyState === 'complete'){
waitForImages(doc).then(doPrint);
} else {
doc.addEventListener('readystatechange', function(){
if (doc.readyState === 'complete'){
waitForImages(doc).then(doPrint);
}
});
}
}
window.printUtils = {
// html: string containing html fragment or full page
// options: { title?: string }
printHtml: function(html, options){
writeAndPrint(html, options || {});
}
};
})();