First Commit

2026-03-21 11:55:27 +01:00
commit 2e8a29b4d0
1757 changed files with 166084 additions and 0 deletions
@@ -0,0 +1,66 @@
+using Microsoft.EntityFrameworkCore;
+using JobTrackerApi.Data;
+
+namespace JobTrackerApi.Services
+{
+    // Periodically applies "auto ghost" transitions.
+    public sealed class RulesHostedService : BackgroundService
+    {
+        private readonly IServiceProvider _services;
+
+        public RulesHostedService(IServiceProvider services)
+        {
+            _services = services;
+        }
+
+        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+        {
+            // Small initial delay to let app start.
+            await Task.Delay(TimeSpan.FromSeconds(2), stoppingToken);
+
+            while (!stoppingToken.IsCancellationRequested)
+            {
+                try
+                {
+                    using var scope = _services.CreateScope();
+                    var db = scope.ServiceProvider.GetRequiredService<JobTrackerContext>();
+
+                    var settings = await RulesEngine.GetSettings(db, stoppingToken);
+                    var now = DateTime.Now;
+
+                    // Get last correspondence per job (single query).
+                    var lastMsg = await db.Correspondences
+                        .GroupBy(c => c.JobApplicationId)
+                        .Select(g => new { JobApplicationId = g.Key, Last = g.Max(x => x.Date) })
+                        .ToDictionaryAsync(x => x.JobApplicationId, x => (DateTime?)x.Last, stoppingToken);
+
+                    var jobs = await db.JobApplications
+                        .Where(j => !j.IsDeleted && j.Status != "Ghosted")
+                        .ToListAsync(stoppingToken);
+
+                    var changed = 0;
+                    foreach (var j in jobs)
+                    {
+                        lastMsg.TryGetValue(j.Id, out var lm);
+                        var d = RulesEngine.Evaluate(settings, j, now, lm);
+                        if (d.ShouldGhost)
+                        {
+                            j.Status = "Ghosted";
+                            changed++;
+                        }
+                    }
+
+                    if (changed > 0)
+                        await db.SaveChangesAsync(stoppingToken);
+                }
+                catch
+                {
+                    // Best-effort background job; swallow errors.
+                }
+
+                await Task.Delay(TimeSpan.FromMinutes(30), stoppingToken);
+            }
+        }
+    }
+}
+