Implemented feedback feature

Library.Encyclopedia.API/Controllers/EmailController.cs

@@ -0,0 +1,48 @@
+using Library.Encyclopedia.DataAccess.Email;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.DirectoryServices.AccountManagement;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Library.Encyclopedia.API.Controllers
+{
+    [ApiController]
+    [Route("[controller]")]
+    public class EmailController : ControllerBase
+    {
+        public readonly EmailAdapter adapter;
+        private readonly ILogger<EmailController> logger;
+
+        public EmailController(ILogger<EmailController> logger, IConfiguration configuration)
+        {
+            adapter = new EmailAdapter(configuration);
+            this.logger = logger;
+        }
+
+        [HttpPost]
+        [Authorize]
+        public async Task<IActionResult> SendEmail([FromBody]string content)
+        {
+            try
+            {
+                using (var context = new PrincipalContext(ContextType.Domain | ContextType.Machine))
+                {
+                    var usr = UserPrincipal.FindByIdentity(context, this.HttpContext.User.Identity.Name);
+                    await adapter.SendEmail(usr.DisplayName, usr.EmailAddress, content);
+
+                    return Ok();
+                }
+            }
+            catch (Exception ex)
+            {
+                logger.LogError(ex, $"an error has occured {ex.Message}");
+                throw;
+            }
+        }
+    }
+}

Library.Encyclopedia.API/appsettings.json

@@ -28,5 +28,10 @@
 
     // For Windows
     "filePath": "C:\\inetpub\\wwwroot\\PFW Encyclopedia Files\\"
-  }
+  },
+  "SendGrid-APIKEY": "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",
+  "Template-Id": "d-af8da9debd13445898a1d82e2674e329",
+  "Admin-Email": "mazus01@pfw.edu",
+  "Admin-Username": "Souvik Mazumder",
+  "PFW-EmailList-Group": "Test"
 }

Library.Encyclopedia.DataAccess/Email/EmailAdapter.cs

@@ -0,0 +1,52 @@
+using Library.Encyclopedia.Entity.Models;
+using Microsoft.Extensions.Configuration;
+using SendGrid;
+using SendGrid.Helpers.Mail;
+using System;
+using System.Collections.Generic;
+using System.DirectoryServices.AccountManagement;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Library.Encyclopedia.DataAccess.Email
+{
+    public class EmailAdapter
+    {
+        private readonly IConfiguration configuration;
+
+        public EmailAdapter(IConfiguration configuration)
+        {
+            this.configuration = configuration;
+        }
+
+        public async Task SendEmail(string userName, string email, string content)
+        {
+            var apiKey = configuration.GetSection("SendGrid-APIKEY").Value;
+            var client = new SendGridClient(apiKey);
+            var from = new EmailAddress(configuration.GetSection("Admin-Email").Value, configuration.GetSection("Admin-Username").Value);
+
+            var to = new List<EmailAddress>();
+
+            using (var context = new PrincipalContext(ContextType.Machine))
+            {
+                using (var group = GroupPrincipal.FindByIdentity(context, configuration.GetSection("PFW-EmailList-Group").Value))
+                {
+                    if (group != null)
+                    {
+                        var members = group.GetMembers(true);
+                        foreach (UserPrincipal user in members)
+                        {
+                            to.Add(new EmailAddress { Email = user.EmailAddress, Name = user.DisplayName });
+                        }
+                    }
+                }
+            }
+
+            var msg = MailHelper.CreateSingleTemplateEmailToMultipleRecipients(from, to, configuration.GetSection("Template-Id").Value, new EmailPropertiesV1 { Content = content, Name = userName, Email = email });
+            var response = await client.SendEmailAsync(msg);
+
+            if (!response.IsSuccessStatusCode)
+                throw new Exception("Email not sent!");
+        }
+    }
+}

Library.Encyclopedia.DataAccess/Library.Encyclopedia.DataAccess.csproj

@@ -19,7 +19,9 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Pomelo.EntityFrameworkCore.MySql" Version="5.0.3" />
+    <PackageReference Include="SendGrid" Version="9.25.2" />
     <PackageReference Include="SSH.NET" Version="2020.0.1" />
+    <PackageReference Include="System.DirectoryServices.AccountManagement" Version="6.0.0" />
     <PackageReference Include="System.Runtime.Caching" Version="6.0.0" />
   </ItemGroup>
 

Library.Encyclopedia.Entity/Library.Encyclopedia.Entity.csproj

@@ -7,6 +7,7 @@
   <ItemGroup>
     <PackageReference Include="Enums.NET" Version="4.0.0" />
     <PackageReference Include="Microsoft.AspNetCore.Http.Features" Version="5.0.12" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
 </Project>

Library.Encyclopedia.Entity/Models/EmailPropertiesV1.cs

@@ -0,0 +1,17 @@
+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Library.Encyclopedia.Entity.Models
+{
+    public class EmailPropertiesV1
+    {
+        [JsonProperty("content")]
+        public string Content { get; set; }
+        [JsonProperty("name")]
+        public string Name { get; set; }
+        [JsonProperty("email")]
+        public string Email { get; set; }
+    }
+}