Files
pfm/PostFundManagement.Application/Events/LateProjectReminderEvent.cs
T
2026-10-28 18:04:52 +02:00

177 lines
10 KiB
C#

using PostFundManagement.Application.Abstractions.Services;
using PostFundManagement.Application.Services.Communications;
using PostFundManagement.Domain;
using PostFundManagement.Domain.Abstractions;
using PostFundManagement.Infrastructure.Database;
namespace PostFundManagement.Application.Events;
public sealed class LateProjectEvent : IEvent
{
public Guid Id { get; set; } = Guid.CreateVersion7();
public string Name { get; set; } = nameof(LateProjectEvent);
public DateTimeOffset EnqueueAt { get; set; } = DateTimeOffset.UtcNow;
public string CorrelationId { get; set; } = "lateproject-reminder";
public static LateProjectEvent Create() => new();
}
public sealed class LateProjectEventHandler(IDbContextFactory<ApplicationDbContext> contextFactory,
ICommunicationsService service) : INotificationHandler<LateProjectEvent>
{
readonly int lateDays = 3;
public async ValueTask Handle(LateProjectEvent notification, CancellationToken cancellationToken)
{
await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
var now = DateTime.UtcNow;
var overdueCutoff = lateDays > 0 ? now.AddDays(-lateDays) : now;
// Query overdue milestones that are not yet approved
// Execute ToListAsync before GroupBy so EF Core does not fail SQL translation
var overdueMilestones = await context.Milestones
.AsNoTracking()
.Include(i => i.Project)
.ThenInclude(p => p!.Programme)
.ThenInclude(pr => pr!.Owner)
.Include(i => i.Project)
.ThenInclude(p => p!.Programme)
.ThenInclude(pr => pr!.Portfolio)
.ThenInclude(po => po!.Organisation)
.ThenInclude(o => o!.User)
.Where(m => m.Status != ApprovalStatus.Approved && m.DueAt <= overdueCutoff)
.OrderBy(o => o.DueAt)
.ToListAsync(cancellationToken);
if (overdueMilestones.Count == 0) return;
var lateMilestonesByProject = overdueMilestones.GroupBy(g => g.ProjectId);
var partnerResourceStream = typeof(IDomain).Assembly
.GetManifestResourceStream("PostFundManagement.Domain.Templates.lateprojectsmilestones.html");
if (partnerResourceStream is null) return;
using var partnerHtmlTemplateReader = new StreamReader(partnerResourceStream);
var partnerTemplate = await partnerHtmlTemplateReader.ReadToEndAsync(cancellationToken);
var programmeResourceStream = typeof(IDomain).Assembly
.GetManifestResourceStream("PostFundManagement.Domain.Templates.noncompliantprojects-prog.html");
string? programmeTemplate = null;
if (programmeResourceStream is not null)
{
using var programmeHtmlTemplateReader = new StreamReader(programmeResourceStream);
programmeTemplate = await programmeHtmlTemplateReader.ReadToEndAsync(cancellationToken);
}
foreach (var group in lateMilestonesByProject)
{
var milestones = group.ToList();
if (milestones.Count == 0) continue;
var project = milestones[0].Project;
if (project is null) continue;
var mostLateMilestone = milestones.OrderBy(m => m.DueAt).FirstOrDefault();
var daysOverdue = mostLateMilestone != null
? (int)Math.Max(0, (now - mostLateMilestone.DueAt).TotalDays)
: 0;
var organisation = mostLateMilestone?.Project?.Programme?.Portfolio?.Organisation;
if (organisation is null) continue;
var recipientId = organisation.UserId ?? organisation.CreatedBy;
var recipientEmail = organisation.User?.Email ?? organisation.Email;
if (string.IsNullOrWhiteSpace(recipientEmail) || recipientId == Guid.Empty) continue;
var tableRowsBuilder = new StringBuilder();
foreach (var milestone in milestones.OrderBy(m => m.DueAt))
{
var delay = (int)Math.Max(0, (now - milestone.DueAt).TotalDays);
var statusText = milestone.Status.ToString();
var milestoneName = WebUtility.HtmlEncode(milestone.Name ?? "Milestone Deliverable");
tableRowsBuilder.AppendLine($@"
<tr style=""border-bottom: 1px solid #e2e8f0;"">
<td style=""padding: 10px 14px; font-weight: 500; color: #1e293b;"">{milestoneName}</td>
<td style=""padding: 10px 14px; color: #64748b; font-size: 13px;"">{milestone.DueAt:yyyy-MM-dd}</td>
<td style=""padding: 10px 14px; color: #dc2626; font-weight: 600; font-size: 13px;"">+{delay} d</td>
<td style=""padding: 10px 14px; font-size: 12px;""><span style=""background-color: #fee2e2; color: #991b1b; padding: 2px 8px; border-radius: 9999px; font-weight: 600;"">{statusText}</span></td>
</tr>");
}
// 1. Send notice to Partner / Recipient Organisation
var messageBody = partnerTemplate;
messageBody = messageBody.Replace("[OrganisationName]", WebUtility.HtmlEncode(organisation.Name ?? "Partner"));
messageBody = messageBody.Replace("[RecipientName]", WebUtility.HtmlEncode(organisation.Name ?? "Partner"));
messageBody = messageBody.Replace("[ProjectName]", WebUtility.HtmlEncode(project.Name ?? "Project"));
messageBody = messageBody.Replace("[ProjectStartDate]", project.StartedAt.HasValue ? $"{project.StartedAt:yyyy-MM-dd}" : "Not Specified");
messageBody = messageBody.Replace("[ProjectEndDate]", project.EndedAt.HasValue ? $"{project.EndedAt:yyyy-MM-dd}" : "Not Specified");
messageBody = messageBody.Replace("[TotalLateMilestones]", milestones.Count.ToString());
messageBody = messageBody.Replace("[TotalLateMiletones]", milestones.Count.ToString());
messageBody = messageBody.Replace("[MostLateMilestoneName]", WebUtility.HtmlEncode(mostLateMilestone?.Name ?? "N/A"));
messageBody = messageBody.Replace("[MostLateMilestoneDueDate]", mostLateMilestone != null ? $"{mostLateMilestone.DueAt:yyyy-MM-dd}" : "N/A");
messageBody = messageBody.Replace("[MostLateMilestoneDaysOverdue]", daysOverdue.ToString());
messageBody = messageBody.Replace("[LateMilestonesTable]", tableRowsBuilder.ToString());
messageBody = messageBody.Replace("[PortalUrl]", "https://partner.ifri.khongisa.co.za");
messageBody = messageBody.Replace("[Year]", now.Year.ToString());
var notificationRequest = new CreateNotificationRequest(organisation.Id, recipientId, NotificationPlatform.Email,
$"Overdue Milestone Alert: {project.Name}", recipientEmail, messageBody, NotificationStatus.Queued);
_ = await service.CreateNotificationAsync(notificationRequest, SystemUser, cancellationToken);
// 2. Construct and send escalation notification for the Programme Manager (FR-M07-009)
if (!string.IsNullOrWhiteSpace(programmeTemplate))
{
var programme = project.Programme;
var programmeManager = programme?.Owner;
var programmeManagerId = programme?.OwnedBy ?? programmeManager?.Id;
var programmeManagerEmail = programmeManager?.Email;
if (programmeManagerId.HasValue && programmeManagerId.Value != Guid.Empty && !string.IsNullOrWhiteSpace(programmeManagerEmail))
{
var progMessageBody = programmeTemplate;
progMessageBody = progMessageBody.Replace("[ProgrammeManagerName]", WebUtility.HtmlEncode(programmeManagerEmail ?? "Programme Manager"));
progMessageBody = progMessageBody.Replace("[ProgrammeName]", WebUtility.HtmlEncode(programme?.Name ?? "Programme"));
progMessageBody = progMessageBody.Replace("[PortfolioName]", WebUtility.HtmlEncode(programme?.Portfolio?.Name ?? "Portfolio"));
progMessageBody = progMessageBody.Replace("[OrganisationName]", WebUtility.HtmlEncode(organisation.Name ?? "Partner"));
progMessageBody = progMessageBody.Replace("[ProjectName]", WebUtility.HtmlEncode(project.Name ?? "Project"));
progMessageBody = progMessageBody.Replace("[ProjectStartDate]", project.StartedAt.HasValue ? $"{project.StartedAt:yyyy-MM-dd}" : "Not Specified");
progMessageBody = progMessageBody.Replace("[ProjectEndDate]", project.EndedAt.HasValue ? $"{project.EndedAt:yyyy-MM-dd}" : "Not Specified");
progMessageBody = progMessageBody.Replace("[TotalLateMilestones]", milestones.Count.ToString());
progMessageBody = progMessageBody.Replace("[TotalLateMiletones]", milestones.Count.ToString());
progMessageBody = progMessageBody.Replace("[MostLateMilestoneName]", WebUtility.HtmlEncode(mostLateMilestone?.Name ?? "N/A"));
progMessageBody = progMessageBody.Replace("[MostLateMilestoneDueDate]", mostLateMilestone != null ? $"{mostLateMilestone.DueAt:yyyy-MM-dd}" : "N/A");
progMessageBody = progMessageBody.Replace("[MostLateMilestoneDaysOverdue]", daysOverdue.ToString());
progMessageBody = progMessageBody.Replace("[LateMilestonesTable]", tableRowsBuilder.ToString());
progMessageBody = progMessageBody.Replace("[ConsoleUrl]", "https://console.ifri.khongisa.co.za");
progMessageBody = progMessageBody.Replace("[PortalUrl]", "https://partner.ifri.khongisa.co.za");
progMessageBody = progMessageBody.Replace("[Year]", now.Year.ToString());
var progNotificationRequest = new CreateNotificationRequest(
organisation.Id,
programmeManagerId.Value,
NotificationPlatform.Email,
$"[Escalation] Overdue Milestones: {project.Name} ({programme?.Name})",
programmeManagerEmail,
progMessageBody,
NotificationStatus.Queued);
_ = await service.CreateNotificationAsync(progNotificationRequest, SystemUser, cancellationToken);
}
}
}
}
}