Merge pull request #225 from Moonlight-Panel/NewMailSystem

Added new mail system

Moonlight/App/Models/Misc/MailTemplate.cs

@@ -0,0 +1,9 @@
+using Moonlight.App.Helpers.Files;
+
+namespace Moonlight.App.Models.Misc;
+
+public class MailTemplate // This is just for the blazor table at /admin/system/mail
+{
+    public string Name { get; set; } = "";
+    public FileData File { get; set; }
+}

Moonlight/App/Services/Mail/MailService.cs

@@ -2,6 +2,7 @@
 using Moonlight.App.Database.Entities;
 using Moonlight.App.Exceptions;
 using Moonlight.App.Helpers;
+using Moonlight.App.Repositories;
 using SmtpClient = MailKit.Net.Smtp.SmtpClient;
 
 namespace Moonlight.App.Services.Mail;
@@ -14,8 +15,14 @@ public class MailService
     private readonly int Port;
     private readonly bool Ssl;
 
-    public MailService(ConfigService configService)
+    private readonly Repository<User> UserRepository;
+
+    public MailService(
+        ConfigService configService,
+        Repository<User> userRepository)
     {
+        UserRepository = userRepository;
+        
         var mailConfig = configService
             .Get()
             .Moonlight.Mail;
@@ -27,28 +34,8 @@ public class MailService
         Ssl = mailConfig.Ssl;
     }
 
-    public async Task SendMail(
+    public Task SendMailRaw(User user, string html)
-        User user,
-        string name,
-        Action<Dictionary<string, string>> values
-    )
     {
-        if (!File.Exists(PathBuilder.File("storage", "resources", "mail", $"{name}.html")))
-        {
-            Logger.Warn($"Mail template '{name}' not found. Make sure to place one in the resources folder");
-            throw new DisplayException("Mail template not found");
-        }
-
-        var rawHtml = await File.ReadAllTextAsync(PathBuilder.File("storage", "resources", "mail", $"{name}.html"));
-
-        var val = new Dictionary<string, string>();
-        values.Invoke(val);
-        
-        val.Add("FirstName", user.FirstName);
-        val.Add("LastName", user.LastName);
-
-        var parsed = ParseMail(rawHtml, val);
-
         Task.Run(async () =>
         {
             try
@@ -62,17 +49,15 @@ public class MailService
                 
                 var body = new BodyBuilder
                 {
-                    HtmlBody = parsed
+                    HtmlBody = html
                 };
                 mailMessage.Body = body.ToMessageBody();
 
-                using (var smtpClient = new SmtpClient())
+                using var smtpClient = new SmtpClient();
-                {
+                await smtpClient.ConnectAsync(Server, Port, Ssl);
-                    await smtpClient.ConnectAsync(Server, Port, Ssl);
+                await smtpClient.AuthenticateAsync(Email, Password);
-                    await smtpClient.AuthenticateAsync(Email, Password);
+                await smtpClient.SendAsync(mailMessage);
-                    await smtpClient.SendAsync(mailMessage);
+                await smtpClient.DisconnectAsync(true);
-                    await smtpClient.DisconnectAsync(true);
-                }
             }
             catch (Exception e)
             {
@@ -80,6 +65,54 @@ public class MailService
                 Logger.Warn(e);
             }
         });
+        
+        return Task.CompletedTask;
+    }
+    
+    public async Task SendMail(User user, string template, Action<Dictionary<string, string>> values)
+    {
+        if (!File.Exists(PathBuilder.File("storage", "resources", "mail", $"{template}.html")))
+        {
+            Logger.Warn($"Mail template '{template}' not found. Make sure to place one in the resources folder");
+            throw new DisplayException("Mail template not found");
+        }
+
+        var rawHtml = await File.ReadAllTextAsync(PathBuilder.File("storage", "resources", "mail", $"{template}.html"));
+
+        var val = new Dictionary<string, string>();
+        values.Invoke(val);
+        
+        val.Add("FirstName", user.FirstName);
+        val.Add("LastName", user.LastName);
+
+        var parsed = ParseMail(rawHtml, val);
+
+        await SendMailRaw(user, parsed);
+    }
+
+    public async Task SendEmailToAll(string template, Action<Dictionary<string, string>> values)
+    {
+        var users = UserRepository
+            .Get()
+            .ToArray();
+
+        foreach (var user in users)
+        {
+            await SendMail(user, template, values);
+        }
+    }
+
+    public async Task SendEmailToAllAdmins(string template, Action<Dictionary<string, string>> values)
+    {
+        var users = UserRepository
+            .Get()
+            .Where(x => x.Admin)
+            .ToArray();
+
+        foreach (var user in users)
+        {
+            await SendMail(user, template, values);
+        }
     }
 
     private string ParseMail(string html, Dictionary<string, string> values)

Moonlight/Shared/Components/Navigations/AdminSystemNavigation.razor

@@ -44,6 +44,11 @@
                     <TL>Configuration</TL>
                 </a>
             </li>
+            <li class="nav-item mt-2">
+                <a class="nav-link text-active-primary ms-0 me-10 py-5 @(Index == 9 ? "active" : "")" href="/admin/system/mail">
+                    <TL>Mail</TL>
+                </a>
+            </li>
         </ul>
     </div>
 </div>

Moonlight/Shared/Views/Admin/Sys/Mail.razor

@@ -0,0 +1,180 @@
+@page "/admin/system/mail"
+
+@using Moonlight.Shared.Components.Navigations
+@using Moonlight.Shared.Components.FileManagerPartials
+@using Moonlight.App.Helpers.Files
+@using Moonlight.App.Helpers
+@using BlazorTable
+@using Moonlight.App.Database.Entities
+@using Moonlight.App.Models.Misc
+@using Moonlight.App.Services
+@using Moonlight.App.Services.Interop
+@using Moonlight.App.Services.Mail
+
+@inject SmartTranslateService SmartTranslateService
+@inject ToastService ToastService
+@inject AlertService AlertService
+@inject MailService MailService
+
+<OnlyAdmin>
+    <AdminSystemNavigation Index="9"/>
+
+    <div class="card mb-3">
+        <div class="card-header">
+            <span class="card-title">
+                <TL>Actions</TL>
+            </span>
+        </div>
+        <div class="card-body">
+            <WButton Text="@(SmartTranslateService.Translate("Test mail configuration"))"
+                     WorkingText="@(SmartTranslateService.Translate("Sending test mail"))"
+                     CssClasses="btn-primary"
+                     OnClick="SendTestMail">
+            </WButton>
+        </div>
+    </div>
+
+    <LazyLoader @ref="LazyLoader" Load="Load">
+        @if (CurrentMailTemplate == null)
+        {
+            <div class="card">
+                <div class="card-header">
+                    <span class="card-title">
+                        <TL>Mail templates</TL>
+                    </span>
+                    <div class="card-toolbar">
+                        <WButton Text="@(SmartTranslateService.Translate("New mail template"))"
+                                 CssClasses="btn-sm btn-success"
+                                 OnClick="CreateNewMailTemplate">
+                        </WButton>
+                    </div>
+                </div>
+                <div class="card-body">
+                    <div class="table-responsive">
+                        <Table TableItem="MailTemplate" Items="MailTemplateFiles" PageSize="25" TableClass="table table-row-bordered table-row-gray-100 align-middle gs-0 gy-3" TableHeadClass="fw-bold text-muted">
+                            <Column TableItem="MailTemplate" Title="@(SmartTranslateService.Translate("Name"))" Field="@(x => x.Name)" Sortable="true" Filterable="true">
+                                <Template>
+                                    @{
+                                        var name = context.Name.Replace(Path.GetExtension(context.Name), "");
+                                    }
+
+                                    <span>@(name)</span>
+                                </Template>
+                            </Column>
+                            <Column TableItem="MailTemplate" Title="" Field="@(x => x.Name)" Filterable="false" Sortable="false">
+                                <Template>
+                                    <div class="text-end">
+                                        <WButton Text="@(SmartTranslateService.Translate("Edit"))"
+                                                 OnClick="() => EditTemplate(context)">
+                                        </WButton>
+                                        <DeleteButton OnClick="() => DeleteTemplate(context)"
+                                                      Confirm="true">
+                                        </DeleteButton>
+                                    </div>
+                                </Template>
+                            </Column>
+                            <Pager ShowPageNumber="true" ShowTotalCount="true"/>
+                        </Table>
+                    </div>
+                </div>
+            </div>
+        }
+        else
+        {
+            <FileEditor Language="html"
+                        HideControls="false"
+                        InitialData="@(CurrentMailTemplateContent)"
+                        OnCancel="OnCancelTemplateEdit"
+                        OnSubmit="OnSubmitTemplateEdit"/>
+        }
+    </LazyLoader>
+</OnlyAdmin>
+
+@code
+{
+    [CascadingParameter]
+    public User User { get; set; }
+
+    private MailTemplate[] MailTemplateFiles;
+    private FileAccess FileAccess;
+    private LazyLoader LazyLoader;
+
+    #region Template Editor
+
+    private MailTemplate? CurrentMailTemplate;
+    private string CurrentMailTemplateContent = "";
+
+    private async Task Load(LazyLoader arg)
+    {
+        FileAccess = new HostFileAccess(PathBuilder.Dir("storage"));
+
+        await FileAccess.Cd("resources");
+        await FileAccess.Cd("mail");
+
+        MailTemplateFiles = (await FileAccess.Ls())
+            .Where(x => x.IsFile)
+            .Select(x => new MailTemplate()
+            {
+                Name = x.Name,
+                File = x
+            })
+            .ToArray();
+    }
+
+    private async Task EditTemplate(MailTemplate mailTemplate)
+    {
+        CurrentMailTemplate = mailTemplate;
+
+        CurrentMailTemplateContent = await FileAccess
+            .Read(CurrentMailTemplate.File);
+
+        await InvokeAsync(StateHasChanged);
+    }
+
+    private async Task DeleteTemplate(MailTemplate mailTemplate)
+    {
+        await FileAccess.Delete(mailTemplate.File);
+        await LazyLoader.Reload();
+    }
+
+    private async void OnCancelTemplateEdit()
+    {
+        CurrentMailTemplate = null;
+        await InvokeAsync(StateHasChanged);
+    }
+
+    private async void OnSubmitTemplateEdit(string text)
+    {
+        await FileAccess.Write(CurrentMailTemplate!.File, text);
+
+        await ToastService.Success(
+            SmartTranslateService.Translate("Successfully saved file"));
+    }
+
+    private async Task CreateNewMailTemplate()
+    {
+        var name = await AlertService.Text(
+            SmartTranslateService.Translate("New mail template"),
+            SmartTranslateService.Translate("Enter the name of the new template"),
+            ""
+            );
+
+        if (string.IsNullOrEmpty(name))
+            return;
+
+        await FileAccess.Write(new()
+        {
+            Name = name + ".html"
+        }, "");
+
+        await LazyLoader.Reload();
+    }
+
+    #endregion
+
+    private async Task SendTestMail()
+    {
+        await MailService.SendMailRaw(User, "<html><body>If you see this mail, your moonlight mail configuration is ready to use</body></html>");
+        await AlertService.Info(SmartTranslateService.Translate("A test mail has been sent to the email address of your account"));
+    }
+}