🧱 Render email based on razor components

DysonNetwork.Sphere/Account/Email/EmailService.cs

@@ -0,0 +1,80 @@
+using MailKit.Net.Smtp;
+using Microsoft.AspNetCore.Components;
+using MimeKit;
+
+namespace DysonNetwork.Sphere.Account.Email;
+
+public class EmailServiceConfiguration
+{
+    public string Server { get; set; } = null!;
+    public int Port { get; set; }
+    public bool UseSsl { get; set; }
+    public string Username { get; set; } = null!;
+    public string Password { get; set; } = null!;
+    public string FromAddress { get; set; } = null!;
+    public string FromName { get; set; } = null!;
+    public string SubjectPrefix { get; set; } = null!;
+}
+
+public class EmailService
+{
+    private readonly EmailServiceConfiguration _configuration;
+    private readonly RazorViewRenderer _viewRenderer;
+    private readonly ILogger<EmailService> _logger;
+
+    public EmailService(IConfiguration configuration, RazorViewRenderer viewRenderer, ILogger<EmailService> logger)
+    {
+        var cfg = configuration.GetSection("Email").Get<EmailServiceConfiguration>();
+        _configuration = cfg ?? throw new ArgumentException("Email service was not configured.");
+        _viewRenderer = viewRenderer;
+        _logger = logger;
+    }
+
+    public async Task SendEmailAsync(string? recipientName, string recipientEmail, string subject, string textBody)
+    {
+        await SendEmailAsync(recipientName, recipientEmail, subject, textBody, null);
+    }
+
+    public async Task SendEmailAsync(string? recipientName, string recipientEmail, string subject, string textBody,
+        string? htmlBody)
+    {
+        subject = $"[{_configuration.SubjectPrefix}] {subject}";
+
+        var emailMessage = new MimeMessage();
+        emailMessage.From.Add(new MailboxAddress(_configuration.FromName, _configuration.FromAddress));
+        emailMessage.To.Add(new MailboxAddress(recipientName, recipientEmail));
+        emailMessage.Subject = subject;
+
+        var bodyBuilder = new BodyBuilder
+        {
+            TextBody = textBody
+        };
+
+        if (!string.IsNullOrEmpty(htmlBody))
+            bodyBuilder.HtmlBody = htmlBody;
+
+        emailMessage.Body = bodyBuilder.ToMessageBody();
+
+        using var client = new SmtpClient();
+        await client.ConnectAsync(_configuration.Server, _configuration.Port, _configuration.UseSsl);
+        await client.AuthenticateAsync(_configuration.Username, _configuration.Password);
+        await client.SendAsync(emailMessage);
+        await client.DisconnectAsync(true);
+    }
+
+    public async Task SendTemplatedEmailAsync<TComponent, TModel>(string? recipientName, string recipientEmail,
+        string subject, TModel model, string fallbackTextBody)
+        where TComponent : IComponent
+    {
+        try
+        {
+            var htmlBody = await _viewRenderer.RenderComponentToStringAsync<TComponent, TModel>(model);
+            await SendEmailAsync(recipientName, recipientEmail, subject, fallbackTextBody, htmlBody);
+        }
+        catch (Exception err)
+        {
+            _logger.LogError(err, "Failed to render email template...");
+            await SendEmailAsync(recipientName, recipientEmail, subject, fallbackTextBody);
+        }
+    }
+}

DysonNetwork.Sphere/Account/Email/LandingEmail.cs

@@ -0,0 +1,7 @@
+namespace DysonNetwork.Sphere.Account.Email;
+
+public class LandingEmailModel
+{
+    public required string Name { get; set; }
+    public required string VerificationLink { get; set; }  
+}

DysonNetwork.Sphere/Account/Email/RazorViewRenderer.cs

@@ -0,0 +1,47 @@
+using Microsoft.AspNetCore.Components;
+using Microsoft.AspNetCore.Components.Web;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.Abstractions;
+using Microsoft.AspNetCore.Mvc.ModelBinding;
+using Microsoft.AspNetCore.Mvc.Razor;
+using Microsoft.AspNetCore.Mvc.Rendering;
+using Microsoft.AspNetCore.Mvc.ViewEngines;
+using Microsoft.AspNetCore.Mvc.ViewFeatures;
+using RouteData = Microsoft.AspNetCore.Routing.RouteData;
+
+namespace DysonNetwork.Sphere.Account.Email;
+
+public class RazorViewRenderer(
+    IServiceProvider serviceProvider,
+    ILoggerFactory loggerFactory,
+    ILogger<RazorViewRenderer> logger
+)
+{
+    public async Task<string> RenderComponentToStringAsync<TComponent, TModel>(TModel model) 
+        where TComponent : IComponent
+    {
+        await using var htmlRenderer = new HtmlRenderer(serviceProvider, loggerFactory);
+        
+        var viewDictionary = new ViewDataDictionary<TModel>(
+            new EmptyModelMetadataProvider(),
+            new ModelStateDictionary())
+        {
+            Model = model
+        };
+        
+        return await htmlRenderer.Dispatcher.InvokeAsync(async () =>
+        {
+            try 
+            {
+                var parameterView = ParameterView.FromDictionary(viewDictionary);
+                var output = await htmlRenderer.RenderComponentAsync<TComponent>(parameterView);
+                return output.ToHtmlString();
+            }
+            catch (Exception ex)
+            {
+                logger.LogError(ex, "Error rendering component {ComponentName}", typeof(TComponent).Name);
+                throw;
+            }
+        });
+    }
+}

DysonNetwork.Sphere/Account/EmailService.cs

@@ -1,49 +0,0 @@
-using MailKit.Net.Smtp;
-using MimeKit;
-
-namespace DysonNetwork.Sphere.Account;
-
-public class EmailServiceConfiguration
-{
-    public string Server { get; set; }
-    public int Port { get; set; }
-    public string Username { get; set; }
-    public string Password { get; set; }
-    public string FromAddress { get; set; }
-    public string FromName { get; set; }
-    public string SubjectPrefix { get; set; }
-}
-
-public class EmailService
-{
-    private readonly EmailServiceConfiguration _configuration;
-
-    public EmailService(IConfiguration configuration)
-    {
-        var cfg = configuration.GetSection("Email").Get<EmailServiceConfiguration>();
-        _configuration = cfg ?? throw new ArgumentException("Email service was not configured.");
-    }
-
-    public async Task SendEmailAsync(string? recipientName, string recipientEmail, string subject, string textBody)
-    {
-        subject = $"[{_configuration.SubjectPrefix}] {subject}";
-        
-        var emailMessage = new MimeMessage();
-        emailMessage.From.Add(new MailboxAddress(_configuration.FromName, _configuration.FromAddress));
-        emailMessage.To.Add(new MailboxAddress(recipientName, recipientEmail));
-        emailMessage.Subject = subject;
-
-        var bodyBuilder = new BodyBuilder
-        {
-            TextBody = textBody
-        };
-
-        emailMessage.Body = bodyBuilder.ToMessageBody();
-
-        using var client = new SmtpClient();
-        await client.ConnectAsync(_configuration.Server, _configuration.Port, true);
-        await client.AuthenticateAsync(_configuration.Username, _configuration.Password);
-        await client.SendAsync(emailMessage);
-        await client.DisconnectAsync(true);
-    }
-}

DysonNetwork.Sphere/Account/MagicSpellService.cs

@@ -1,11 +1,13 @@
 using System.Security.Cryptography;
+using DysonNetwork.Sphere.Account.Email;
+using DysonNetwork.Sphere.Pages.Emails;
 using DysonNetwork.Sphere.Permission;
 using Microsoft.EntityFrameworkCore;
 using NodaTime;
 
 namespace DysonNetwork.Sphere.Account;
 
-public class MagicSpellService(AppDatabase db, EmailService email, ILogger<MagicSpellService> logger)
+public class MagicSpellService(AppDatabase db, EmailService email, IConfiguration configuration, ILogger<MagicSpellService> logger)
 {
     public async Task<MagicSpell> CreateMagicSpell(
         Account account,
@@ -42,23 +44,25 @@ public class MagicSpellService(AppDatabase db, EmailService email, ILogger<Magic
             .FirstOrDefaultAsync();
         if (contact is null) throw new ArgumentException("Account has no contact method that can use");
 
-        // TODO replace the baseurl
+        var link = $"${configuration.GetValue<string>("BaseUrl")}/spells/{Uri.EscapeDataString(spell.Spell)}";
-        var link = $"https://api.sn.solsynth.dev/spells/{Uri.EscapeDataString(spell.Spell)}";
 
-        logger.LogError($"Sending magic spell... {link}");
+        logger.LogInformation($"Sending magic spell... {link}");
 
         try
         {
             switch (spell.Type)
             {
                 case MagicSpellType.AccountActivation:
-                    await email.SendEmailAsync(
+                    await email.SendTemplatedEmailAsync<LandingEmail, LandingEmailModel>(
                         contact.Account.Name,
                         contact.Content,
                         "Confirm your registration",
-                        "Thank you for creating an account.\n" +
+                        new LandingEmailModel
-                        "For accessing all the features, confirm your registration with the link below:\n\n" +
+                        {
-                        $"{link}"
+                            Name = contact.Account.Name,
+                            VerificationLink = link
+                        },
+                        $"Thank you for creating an account.\nFor accessing all the features, confirm your registration with the link below:\n\n{link}"
                     );
                     break;
                 default:

DysonNetwork.Sphere/Pages/Emails/EmailLayout.razor

@@ -0,0 +1,18 @@
+@inherits LayoutComponentBase
+
+<div class="min-h-screen bg-gray-100 py-8 font-sans">
+    <div class="max-w-2xl mx-auto px-8">
+        <div class="bg-white rounded-lg shadow-md p-6">
+            @ChildContent
+        </div>
+        
+        <div class="text-center mt-6 text-sm text-gray-500">
+            <p class="m-0">&copy; @DateTime.Now.Year DysonNetwork. All rights reserved.</p>
+        </div>
+    </div>
+</div>
+
+@code {
+    [Parameter]
+    public RenderFragment? ChildContent { get; set; }
+}

DysonNetwork.Sphere/Pages/Emails/LandingEmail.razor

@@ -0,0 +1,47 @@
+<EmailLayout>
+    <div style="text-align: center; margin-bottom: 2rem;">
+        <h1 style="font-size: 1.875rem; font-weight: 700; color: #111827; margin: 0;">Welcome to DysonNetwork!</h1>
+    </div>
+
+    <div style="display: flex; flex-direction: column; gap: 1.5rem;">
+        <p style="color: #374151; margin: 0;">
+            Dear @Name,
+        </p>
+
+        <p style="color: #374151; margin: 0;">
+            Thank you for creating an account with DysonNetwork. We're excited to have you join our community!
+        </p>
+
+        <p style="color: #374151; margin: 0;">
+            To access all features and ensure the security of your account, please confirm your registration by clicking
+            the button below:
+        </p>
+
+        <div style="text-align: center; margin: 2rem 0;">
+            <a href="@VerificationLink"
+               style="display: inline-block; padding: 0.75rem 1.5rem; background-color: #2563eb; color: #ffffff; text-decoration: none; font-weight: 600; border-radius: 0.5rem;">
+                Confirm Registration
+            </a>
+        </div>
+
+        <p style="color: #374151; margin: 0;">
+            If the button doesn't work, you can also copy and paste this link into your browser:
+            <br>
+            <span style="color: #2563eb; word-break: break-all;">@VerificationLink</span>
+        </p>
+
+        <p style="color: #374151; margin: 0;">
+            If you didn't create this account, please ignore this email.
+        </p>
+
+        <p style="color: #374151; margin: 2rem 0 0 0;">
+            Best regards,<br>
+            The DysonNetwork Team
+        </p>
+    </div>
+</EmailLayout>
+
+@code {
+    [Parameter] public required string Name { get; set; }
+    [Parameter] public required string VerificationLink { get; set; }
+}

DysonNetwork.Sphere/Pages/Emails/_EmailLayout.cshtml

@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>@ViewData["Title"]</title>
+</head>
+<body style="margin: 0; padding: 0; background-color: #f3f4f6; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;">
+    <div style="max-width: 42rem; margin: 0 auto; padding: 2rem;">
+        <div style="background-color: #ffffff; border-radius: 0.5rem; box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); padding: 1.5rem;">
+            @RenderBody()
+        </div>
+        
+        <div style="text-align: center; margin-top: 1.5rem; font-size: 0.875rem; color: #6b7280;">
+            <p style="margin: 0;">&copy; @DateTime.Now.Year DysonNetwork. All rights reserved.</p>
+        </div>
+    </div>
+</body>
+</html> 

DysonNetwork.Sphere/Program.cs

@@ -1,11 +1,11 @@
 using System.Globalization;
 using System.Net;
-using System.Security.Cryptography;
 using System.Text;
 using System.Text.Json;
 using System.Threading.RateLimiting;
 using DysonNetwork.Sphere;
 using DysonNetwork.Sphere.Account;
+using DysonNetwork.Sphere.Account.Email;
 using DysonNetwork.Sphere.Activity;
 using DysonNetwork.Sphere.Auth;
 using DysonNetwork.Sphere.Chat;
@@ -20,12 +20,11 @@ using DysonNetwork.Sphere.Sticker;
 using DysonNetwork.Sphere.Storage;
 using DysonNetwork.Sphere.Wallet;
 using Microsoft.AspNetCore.HttpOverrides;
-using Microsoft.AspNetCore.Localization;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.Razor;
 using Microsoft.AspNetCore.RateLimiting;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Options;
-using Microsoft.IdentityModel.Tokens;
 using Microsoft.OpenApi.Models;
 using NodaTime;
 using NodaTime.Serialization.SystemTextJson;
@@ -34,7 +33,6 @@ using tusdotnet;
 using tusdotnet.Models;
 using tusdotnet.Models.Configuration;
 using tusdotnet.Stores;
-using File = System.IO.File;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -141,6 +139,7 @@ builder.Services.AddSingleton(tusDiskStore);
 builder.Services.AddScoped<IWebSocketPacketHandler, MessageReadHandler>();
 
 // Services
+builder.Services.AddScoped<RazorViewRenderer>();
 builder.Services.Configure<GeoIpOptions>(builder.Configuration.GetSection("GeoIP"));
 builder.Services.AddScoped<GeoIpService>();
 builder.Services.AddScoped<WebSocketService>();

DysonNetwork.Sphere/appsettings.json

@@ -1,5 +1,6 @@
 {
   "Debug": true,
+  "BaseUrl": "http://localhost:5017",
   "Logging": {
     "LogLevel": {
       "Default": "Information",
@@ -63,10 +64,11 @@
     }
   },
   "Email": {
-    "Server": "smtpdm.aliyun.com",
+    "Server": "smtp4dev.orb.local",
-    "Port": 465,
+    "Port": 25,
+    "UseSsl": false,
     "Username": "no-reply@mail.solsynth.dev",
-    "Password": "Pe1UeV405PMcQZgv",
+    "Password": "password",
     "FromAddress": "no-reply@mail.solsynth.dev",
     "FromName": "Alphabot",
     "SubjectPrefix": "Solar Network"

DysonNetwork.Sphere/wwwroot/css/styles.css

@@ -227,9 +227,15 @@
   .z-50 {
     z-index: 50;
   }
+  .m-0 {
+    margin: calc(var(--spacing) * 0);
+  }
   .mx-auto {
     margin-inline: auto;
   }
+  .my-8 {
+    margin-block: calc(var(--spacing) * 8);
+  }
   .mt-4 {
     margin-top: calc(var(--spacing) * 4);
   }
@@ -269,6 +275,9 @@
   .hidden {
     display: none;
   }
+  .inline-block {
+    display: inline-block;
+  }
   .table {
     display: table;
   }
@@ -281,6 +290,9 @@
   .h-full {
     height: 100%;
   }
+  .min-h-screen {
+    min-height: 100vh;
+  }
   .w-full {
     width: 100%;
   }
@@ -305,6 +317,13 @@
   .justify-center {
     justify-content: center;
   }
+  .space-y-6 {
+    :where(& > :not(:last-child)) {
+      --tw-space-y-reverse: 0;
+      margin-block-start: calc(calc(var(--spacing) * 6) * var(--tw-space-y-reverse));
+      margin-block-end: calc(calc(var(--spacing) * 6) * calc(1 - var(--tw-space-y-reverse)));
+    }
+  }
   .gap-x-6 {
     column-gap: calc(var(--spacing) * 6);
   }
@@ -314,6 +333,12 @@
   .bg-blue-500 {
     background-color: var(--color-blue-500);
   }
+  .bg-blue-600 {
+    background-color: var(--color-blue-600);
+  }
+  .bg-gray-100 {
+    background-color: var(--color-gray-100);
+  }
   .bg-green-100 {
     background-color: var(--color-green-100);
   }
@@ -329,21 +354,33 @@
   .p-6 {
     padding: calc(var(--spacing) * 6);
   }
+  .p-8 {
+    padding: calc(var(--spacing) * 8);
+  }
   .px-4 {
     padding-inline: calc(var(--spacing) * 4);
   }
   .px-6 {
     padding-inline: calc(var(--spacing) * 6);
   }
+  .px-8 {
+    padding-inline: calc(var(--spacing) * 8);
+  }
   .py-3 {
     padding-block: calc(var(--spacing) * 3);
   }
+  .py-8 {
+    padding-block: calc(var(--spacing) * 8);
+  }
   .py-12 {
     padding-block: calc(var(--spacing) * 12);
   }
   .text-center {
     text-align: center;
   }
+  .font-sans {
+    font-family: var(--font-sans);
+  }
   .text-2xl {
     font-size: var(--text-2xl);
     line-height: var(--tw-leading, var(--text-2xl--line-height));
@@ -368,6 +405,10 @@
     font-size: var(--text-xl);
     line-height: var(--tw-leading, var(--text-xl--line-height));
   }
+  .leading-6 {
+    --tw-leading: calc(var(--spacing) * 6);
+    line-height: calc(var(--spacing) * 6);
+  }
   .leading-8 {
     --tw-leading: calc(var(--spacing) * 8);
     line-height: calc(var(--spacing) * 8);
@@ -388,6 +429,12 @@
     --tw-tracking: var(--tracking-tight);
     letter-spacing: var(--tracking-tight);
   }
+  .break-all {
+    word-break: break-all;
+  }
+  .text-blue-600 {
+    color: var(--color-blue-600);
+  }
   .text-gray-500 {
     color: var(--color-gray-500);
   }
@@ -420,6 +467,10 @@
     --tw-shadow: 0 10px 15px -3px var(--tw-shadow-color, rgb(0 0 0 / 0.1)), 0 4px 6px -4px var(--tw-shadow-color, rgb(0 0 0 / 0.1));
     box-shadow: var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
   }
+  .shadow-md {
+    --tw-shadow: 0 4px 6px -1px var(--tw-shadow-color, rgb(0 0 0 / 0.1)), 0 2px 4px -2px var(--tw-shadow-color, rgb(0 0 0 / 0.1));
+    box-shadow: var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
+  }
   .shadow-sm {
     --tw-shadow: 0 1px 3px 0 var(--tw-shadow-color, rgb(0 0 0 / 0.1)), 0 1px 2px -1px var(--tw-shadow-color, rgb(0 0 0 / 0.1));
     box-shadow: var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
@@ -453,6 +504,13 @@
       }
     }
   }
+  .hover\:bg-blue-700 {
+    &:hover {
+      @media (hover: hover) {
+        background-color: var(--color-blue-700);
+      }
+    }
+  }
   .hover\:text-blue-600 {
     &:hover {
       @media (hover: hover) {
@@ -460,6 +518,13 @@
       }
     }
   }
+  .hover\:text-gray-700 {
+    &:hover {
+      @media (hover: hover) {
+        color: var(--color-gray-700);
+      }
+    }
+  }
   .focus\:ring-2 {
     &:focus {
       --tw-ring-shadow: var(--tw-ring-inset,) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color, currentcolor);
@@ -503,6 +568,11 @@
       background-color: var(--color-yellow-900);
     }
   }
+  .dark\:text-gray-100 {
+    @media (prefers-color-scheme: dark) {
+      color: var(--color-gray-100);
+    }
+  }
   .dark\:text-gray-300 {
     @media (prefers-color-scheme: dark) {
       color: var(--color-gray-300);
@@ -537,6 +607,15 @@
       }
     }
   }
+  .dark\:hover\:text-gray-300 {
+    @media (prefers-color-scheme: dark) {
+      &:hover {
+        @media (hover: hover) {
+          color: var(--color-gray-300);
+        }
+      }
+    }
+  }
 }
 @layer theme, base, components, utilities;
 @layer theme;
@@ -779,6 +858,11 @@
   syntax: "*";
   inherits: false;
 }
+@property --tw-space-y-reverse {
+  syntax: "*";
+  inherits: false;
+  initial-value: 0;
+}
 @property --tw-leading {
   syntax: "*";
   inherits: false;
@@ -932,6 +1016,7 @@
       --tw-rotate-z: initial;
       --tw-skew-x: initial;
       --tw-skew-y: initial;
+      --tw-space-y-reverse: 0;
       --tw-leading: initial;
       --tw-font-weight: initial;
       --tw-tracking: initial;