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