Email Inferstructure

src/Elektrifikatsiya/Elektrifikatsiya/Elektrifikatsiya.csproj

@@ -42,7 +42,9 @@
 		<PackageReference Include="Blazorise.Icons.Material" Version="1.2.0" />
 		<PackageReference Include="BCrypt.Net-Next" Version="4.0.3" />
 		<PackageReference Include="FluentResults" Version="3.15.2" />
+		<PackageReference Include="Handlebars.Net" Version="2.1.4" />
 		<PackageReference Include="HiveMQtt" Version="0.1.10" />
+		<PackageReference Include="MailKit" Version="4.0.0" />
 		<PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.4" />
 		<PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="7.0.4" />
 		<PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.4">
@@ -50,6 +52,7 @@
 		  <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
 		<PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.18.1" />
+		<PackageReference Include="Mjml.Net" Version="1.22.0" />
 		<PackageReference Include="Tmds.MDns" Version="0.7.1" />
 	</ItemGroup>
 

src/Elektrifikatsiya/Elektrifikatsiya/Program.cs

@@ -7,17 +7,22 @@ using Elektrifikatsiya.Database;
 using Elektrifikatsiya.Models;
 using Elektrifikatsiya.Services;
 using Elektrifikatsiya.Services.Implementations;
-
+using Elektrifikatsiya.Utilities;
 using HiveMQtt.Client;
 using HiveMQtt.Client.Options;
 
 using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Options;
 
 WebApplicationBuilder builder = WebApplication.CreateBuilder(args);
 
+// Read configuration
+builder.Services.Configure<EmailSettings>(builder.Configuration.GetRequiredSection("EmailSettings"));
+
 // Add services to the container.
 builder.Services.AddRazorPages();
 builder.Services.AddServerSideBlazor();
+builder.Services.AddOptions();
 builder.Services.AddHttpContextAccessor();
 builder.Services.AddHostedService<UpdateService>();
 builder.Services.AddSingleton<IDeviceStatusService, DeviceStatusService>();
@@ -38,6 +43,7 @@ builder.Services.AddTransient<IDeviceManagmentService, DeviceManagmentService>()
 builder.Services.AddScoped<IAuthenticationService, AuthenticationService>();
 builder.Services.AddScoped<IAuthorizationService, AuthorizationService>();
 builder.Services.AddScoped<ICookieService, CookieService>();
+builder.Services.AddScoped<IEmailService, EmailService>();
 builder.Services.AddDbContext<MainDatabaseContext>(options => options.UseSqlite("Data Source=./MainDatabase.sqlite"));
 builder.Services.AddBootstrapProviders();
 builder.Services.AddHttpClient<IDeviceManagmentService, DeviceManagmentService>();
@@ -46,6 +52,7 @@ builder.Services.AddBlazorise(options =>
 	options.Immediate = true;
 });
 
+
 AddBlazorise(builder.Services);
 
 WebApplication app = builder.Build();
@@ -67,6 +74,8 @@ app.MapBlazorHub();
 app.MapFallbackToPage("/_Host");
 app.MapControllers();
 
+app.Services.GetRequiredService<IOptions<EmailSettings>>().Value.CompileTemplates();
+
 IServiceScope serviceScope = app.Services.GetRequiredService<IServiceScopeFactory>().CreateScope();
 
 MainDatabaseContext mainDatabase = serviceScope.ServiceProvider.GetRequiredService<MainDatabaseContext>();

src/Elektrifikatsiya/Elektrifikatsiya/Services/IEmailService.cs

@@ -0,0 +1,8 @@
+namespace Elektrifikatsiya.Services;
+
+public interface IEmailService
+{
+    Task SendAsync(string to, string subject, string html, string? from = null);
+    
+    Task SendWithTemeplateAsync(string to, string subject, string templateKey, string? from = null, Dictionary<string, string>? templateParameters = null);
+}

src/Elektrifikatsiya/Elektrifikatsiya/Services/Implementations/EmailService.cs

@@ -0,0 +1,44 @@
+using Elektrifikatsiya.Utilities;
+using HandlebarsDotNet;
+using MailKit.Net.Smtp;
+using MailKit.Security;
+using Microsoft.Extensions.Options;
+using MimeKit;
+using MimeKit.Text;
+
+namespace Elektrifikatsiya.Services.Implementations
+{
+	public class EmailService : IEmailService
+	{
+		private readonly EmailSettings emailSettings;
+
+        public EmailService(IOptions<EmailSettings> emailSettings)
+        {
+				this.emailSettings = emailSettings.Value;
+        }
+
+        public async Task SendAsync(string to, string subject, string html, string? from = null)
+		{
+			from ??= emailSettings.DefaultEmail;
+
+            MimeMessage message = new MimeMessage();
+            message.From.Add(MailboxAddress.Parse(from));
+            message.To.Add(MailboxAddress.Parse(to));
+            message.Subject = subject;
+            message.Body = new TextPart(TextFormat.Html) { Text = html };
+
+            using SmtpClient smtp = new SmtpClient();
+            await smtp.ConnectAsync(emailSettings.SmtpServer, emailSettings.SmtpPort, SecureSocketOptions.StartTls);
+            await smtp.AuthenticateAsync(emailSettings.User, emailSettings.Key);
+            await smtp.SendAsync(message);
+            await smtp.DisconnectAsync(true);
+        }
+
+		public Task SendWithTemeplateAsync(string to, string subject, string templateKey, string? from = null, Dictionary<string, string>? templateParameters = null)
+		{
+			string content = emailSettings.CompiledTemplates[templateKey](templateParameters ?? new());
+			return SendAsync(to, subject, content, from);
+
+        }
+	}
+}

src/Elektrifikatsiya/Elektrifikatsiya/Utilities/EmailSettings.cs

@@ -0,0 +1,23 @@
+using HandlebarsDotNet;
+
+namespace Elektrifikatsiya.Utilities;
+
+public class EmailSettings
+{
+	public string User { get; set; }
+	public string DefaultEmail { get; set; }
+	public string Key { get; set; }
+	public Dictionary<string, string> Templates { get; set; }
+	public string SmtpServer { get; set; }
+	public int SmtpPort { get; set; }
+
+	public Dictionary<string, HandlebarsTemplate<object, object>> CompiledTemplates = new();
+	
+	public void CompileTemplates()
+	{
+		foreach ((string templateName, string templatePath) in Templates)
+		{
+			CompiledTemplates.Add(templateName, Handlebars.Compile(File.ReadAllText(templatePath)));
+		}
+    }
+}

src/Elektrifikatsiya/Elektrifikatsiya/appsettings.Development.json

@@ -1,9 +1,19 @@
 {
-  "DetailedErrors": true,
+    "DetailedErrors": true,
-  "Logging": {
+    "Logging": {
-    "LogLevel": {
+        "LogLevel": {
-      "Default": "Information",
+            "Default": "Information",
-      "Microsoft.AspNetCore": "Warning"
+            "Microsoft.AspNetCore": "Warning"
+        }
+    },
+    "EmailSettings": {
+        "User": "",
+        "DefaultEmail": "",
+        "Key": "",
+        "Templates": {
+
+        },
+        "SmtpServer": "",
+        "SmtpPort": 0
     }
-  }
 }

src/Elektrifikatsiya/assets/DailyNotif.mjml

@@ -0,0 +1,49 @@
+<mjml>
+    <mj-head>
+        <mj-attributes>
+             <mj-class name="primary" background-color="#1a237e"/>
+        </mj-attributes>
+        <mj-style>
+            @font-face {
+                font-family: Nunito;
+                src: url(https://fonts.gstatic.com/s/nunito/v16/XRXV3I6Li01BKofINeaB.woff2)
+                format('truetype');
+            } 
+        </mj-style>
+    </mj-head>
+    <mj-body background-color="white">
+        <mj-wrapper padding-right="20px" padding-left="20px" padding-top="7%" >
+            <mj-section border-right="2px solid #B0B0B0" border-top="2px solid #B0B0B0" border-left="2px solid #B0B0B0" border-radius="33px">
+            </mj-section>
+            <mj-section padding-bottom="0px" padding-top="0px" border-left="2px solid #B0B0B0" border-right="2px solid #B0B0B0">
+                <mj-column>
+                    <mj-text align="center" font-family="Nunito, Sans-Serif" font-weight="bold" font-size="30px">
+                        Daily Notification
+                    </mj-text>
+                </mj-column>
+            </mj-section>
+            <mj-section padding-bottom="0px" border-left="2px solid #B0B0B0" border-right="2px solid #B0B0B0">
+                <mj-column padding-left="5%" padding-right="5%">
+                    <mj-text font-family="Nunito, Sans-Serif" align="center" font-size="18px">
+                       Energy Consumption yesterday: {{yesterday}}
+                    </mj-text>
+                 </mj-column>
+                 <mj-column>
+                    <mj-text font-family="Nunito, Sans-Serif" algin="center" font-size="18px">
+                       Energy Consumption since the start of the year: {{yearly}}
+                   </mj-text>
+                 </mj-column>
+            </mj-section>
+            <mj-section padding-top="0px" border-right="2px solid #B0B0B0" border-left="2px solid #B0B0B0" border-bottom="2px solid #B0B0B0" border-radius="33px">
+                <mj-column>
+                    <mj-button font-size="16px" mj-class="primary" font-weight="bold" font-family="Nunito, Sans-Serif">
+                        <mj-text>
+                            <a href="{{link}}" target="_blank" style="color:white; text-decoration:none;">Goto Dashboard</a>
+                        </mj-text>
+                    </mj-button>
+                </mj-column>
+            </mj-section>
+        </mj-wrapper>
+
+    </mj-body>
+</mjml>