src/Server/Program.cs

@@ -8,6 +8,7 @@ using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.IdentityModel.Tokens;
 using System.IdentityModel.Tokens.Jwt;
 using System.Security.Cryptography;
+using BoredCareers.Services.TimerService;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -35,8 +36,15 @@ string? _dbpass = Environment.GetEnvironmentVariable("MySQLPass");
 string dbPass = !string.IsNullOrEmpty(_dbpass) ? _dbpass : "oasv34$8gpv023dd";
 
 // Create the database serivice
-DatabaseService databaseService = new DatabaseService(connectionString: "server=" + dbserver + ";user=" + dbUser + ";database=" + dbdatabase + ";password=" + dbPass + ";port=3306;");
+builder.Services.AddSingleton<DatabaseService>(sp =>
-builder.Services.Add( new ServiceDescriptor( typeof( DatabaseService ), databaseService ) );
+    new DatabaseService("server=" + dbserver + ";user=" + dbUser + ";database=" + dbdatabase + ";password=" + dbPass + ";port=3306;")
+);
+
+////////////////////////////////
+///////   Timer Service  ///////
+////////////////////////////////
+
+builder.Services.AddHostedService<JobCleanupService>();
 
 ////////////////////////////////
 ///////// Email Service ////////

src/Server/Services/TimerServcie/JobCleanupService.cs

@@ -0,0 +1,29 @@
+using BoredCareers.Entities;
+
+namespace BoredCareers.Services.TimerService {
+    public class JobCleanupService : BackgroundService {
+
+        private readonly DatabaseService.DatabaseService _db;
+
+        public JobCleanupService(DatabaseService.DatabaseService db) {
+            _db = db;
+        }
+
+        protected override async Task ExecuteAsync(CancellationToken stoppingToken) {
+            while (!stoppingToken.IsCancellationRequested) {
+                try {
+                    JobListing[] deletedJobListings = await _db.GetJobListingsPastExipre();
+                    await _db.DeleteJobListingsPastExipre();
+                    foreach (JobListing listing in deletedJobListings) {
+                        // Get applicants for each closed listing
+                        // Notify applicants of the listing closing
+                        // Mark company for auto-closed job -> ghost listing
+                    }
+                } catch (Exception e) {
+                    Console.WriteLine($"Error: {e.Message}");
+                }
+                await Task.Delay(TimeSpan.FromHours(24), stoppingToken);
+            }
+        }
+    }
+}