shoc-backend/Api.SeaHavenIndustries/Controllers/VendorOperationsController.cs
2026-07-23 19:18:06 -03:00

724 lines
36 KiB
C#

using System.Security.Claims;
using System.Text;
using Data.SeaHavenIndustries;
using Data.SeaHavenIndustries.Enums;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using SeaHaven.DataServices.Interfaces;
namespace Api.SeaHavenIndustries.Controllers
{
[Authorize]
[ApiController]
[Route("api/vendor-operations")]
public class VendorOperationsController : ControllerBase
{
private static readonly string[] TerminalDispatchStatuses = { "Completed", "Verified", "Cancelled", "Canceled" };
private readonly ApplicationDbContext _db;
private readonly IDispatchDataService _dispatchDataService;
private readonly TimeProvider _timeProvider;
public VendorOperationsController(
ApplicationDbContext db,
IDispatchDataService dispatchDataService,
TimeProvider timeProvider)
{
_db = db;
_dispatchDataService = dispatchDataService;
_timeProvider = timeProvider;
}
[HttpGet("notifications")]
public async Task<IActionResult> GetNotifications()
{
var now = _timeProvider.GetUtcNow().UtcDateTime;
var cutoff = now.AddHours(48);
var directlyAssignedIds = await _db.Dispatches
.AsNoTracking()
.Where(d => !TerminalDispatchStatuses.Contains(d.Status ?? "") && d.WorkOrderId.HasValue)
.Select(d => d.WorkOrderId!.Value)
.ToListAsync();
var multiplyAssignedIds = await _db.DispatchWorkOrders
.AsNoTracking()
.Where(link => link.Dispatch != null
&& !TerminalDispatchStatuses.Contains(link.Dispatch.Status ?? ""))
.Select(link => link.WorkOrderId)
.ToListAsync();
var assignedWorkOrderIds = directlyAssignedIds.Concat(multiplyAssignedIds).Distinct().ToList();
var noVendor = await _db.workOrders
.AsNoTracking()
.Where(wo => wo.ScheduledDate.HasValue
&& wo.ScheduledDate.Value <= cutoff
&& wo.LifecycleStatus != LifecycleStatus.Completed
&& wo.LifecycleStatus != LifecycleStatus.Canceled
&& !assignedWorkOrderIds.Contains(wo.Id))
.OrderBy(wo => wo.ScheduledDate)
.Select(wo => new
{
Id = $"no-vendor-{wo.Id}",
Type = "NoVendor",
Severity = "Medium",
Group = "No Vendor",
Title = "No vendor assigned — 48h to service",
WorkOrderId = wo.Id,
WorkOrderNumber = wo.InternalWONumber ?? wo.WorkerOrderNumber,
TriggeredAt = wo.ScheduledDate!.Value.AddHours(-48),
ScheduledAt = wo.ScheduledDate,
Action = new { Label = "Choose vendor", Href = $"/workorders/{wo.Id}?assignVendor=1" }
})
.ToListAsync();
var dispatches = await ActiveScheduledDispatches().ToListAsync();
var conflicts = BuildConflictPairs(dispatches)
.Select(pair => new
{
Id = $"vendor-conflict-{pair.Left.Id}-{pair.Right.Id}",
Type = "VendorConflict",
Severity = "Medium",
Group = "Vendor Conflict",
Title = "Vendor has overlapping appointments",
VendorId = pair.Left.VendorId,
VendorName = pair.Left.VendorName,
WorkOrders = new[]
{
new { pair.Left.WorkOrderId, pair.Left.WorkOrderNumber, pair.Left.Start, pair.Left.End },
new { pair.Right.WorkOrderId, pair.Right.WorkOrderNumber, pair.Right.Start, pair.Right.End }
},
TriggeredAt = pair.Left.Start < pair.Right.Start ? pair.Left.Start : pair.Right.Start,
Actions = new[]
{
new { Label = pair.Left.WorkOrderNumber ?? "Open work order", Href = $"/workorders/{pair.Left.WorkOrderId}" },
new { Label = pair.Right.WorkOrderNumber ?? "Open work order", Href = $"/workorders/{pair.Right.WorkOrderId}" }
}
})
.ToList();
return Ok(new
{
GeneratedAt = now,
Items = noVendor.Cast<object>().Concat(conflicts).OrderBy(item =>
item.GetType().GetProperty("TriggeredAt")?.GetValue(item)).ToList()
});
}
[HttpGet("availability")]
public async Task<IActionResult> GetAvailability(
[FromQuery] DateTime? start,
[FromQuery] DateTime? end,
[FromQuery] int? locationId,
[FromQuery] string? trade)
{
var now = _timeProvider.GetUtcNow().UtcDateTime;
var requestedStart = start ?? now;
var requestedEnd = end ?? requestedStart.AddHours(2);
if (requestedEnd <= requestedStart)
return BadRequest(new Response { Status = "Error", Message = "end must be after start" });
var vendors = await _db.Vendors.AsNoTracking()
.Where(v => v.IsActive && (v.IsDeleted == null || v.IsDeleted == false))
.ToListAsync();
var preferences = locationId.HasValue
? await _db.SitePreferredVendors.AsNoTracking()
.Where(p => p.LocationId == locationId.Value)
.ToListAsync()
: new List<SitePreferredVendor>();
var dispatches = await ActiveScheduledDispatches().ToListAsync();
var result = vendors.Select(vendor =>
{
var matchingDispatches = dispatches
.Where(dispatch => dispatch.VendorId == vendor.Id
&& WindowsOverlap(requestedStart, requestedEnd, dispatch.Start, dispatch.End))
.ToList();
var matchingPreference = preferences
.Where(preference => preference.VendorId == vendor.Id
&& (string.IsNullOrWhiteSpace(preference.Trade)
|| string.Equals(preference.Trade, trade, StringComparison.OrdinalIgnoreCase)))
.OrderBy(preference => preference.SortOrder)
.FirstOrDefault();
var signalIsFresh = vendor.AvailabilityUpdatedAt.HasValue
&& vendor.AvailabilityUpdatedAt.Value >= now.AddHours(-24);
var status = matchingDispatches.Count > 0
? "Unavailable"
: signalIsFresh && new[] { "Available", "Unavailable" }.Contains(vendor.AvailabilityStatus)
? vendor.AvailabilityStatus
: "Unknown";
return new
{
vendor.Id,
vendor.CompanyName,
vendor.ContactName,
vendor.TradeSpecialties,
AvailabilityStatus = status,
vendor.AvailabilityUpdatedAt,
IsPreferred = matchingPreference != null,
PreferenceRank = matchingPreference?.SortOrder,
Conflicts = matchingDispatches.Select(dispatch => new
{
dispatch.WorkOrderId,
dispatch.WorkOrderNumber,
dispatch.Start,
dispatch.End
})
};
})
.OrderBy(vendor => vendor.IsPreferred ? 0 : 1)
.ThenBy(vendor => vendor.PreferenceRank ?? int.MaxValue)
.ThenBy(vendor => vendor.AvailabilityStatus == "Available" ? 0
: vendor.AvailabilityStatus == "Unknown" ? 1 : 2)
.ThenBy(vendor => vendor.CompanyName)
.ToList();
return Ok(new { GeneratedAt = now, StaleAfterHours = 24, Data = result });
}
[HttpPut("vendors/{vendorId:int}/availability")]
public async Task<IActionResult> UpdateAvailability(int vendorId, [FromBody] AvailabilityRequest body)
{
var normalized = body.Status?.Trim();
if (normalized is not ("Available" or "Unavailable" or "Unknown"))
return BadRequest(new Response { Status = "Error", Message = "status must be Available, Unavailable, or Unknown" });
var vendor = await _db.Vendors.FindAsync(vendorId);
if (vendor == null) return NotFound();
var now = _timeProvider.GetUtcNow().UtcDateTime;
var actor = Actor();
var previous = vendor.AvailabilityStatus;
vendor.AvailabilityStatus = normalized;
vendor.AvailabilityUpdatedAt = now;
vendor.LastModificationTime = now;
_db.VendorAuditLogs.Add(new VendorAuditLog
{
VendorId = vendorId,
FieldName = nameof(Vendor.AvailabilityStatus),
OldValue = previous,
NewValue = normalized,
Actor = actor,
CreatedAt = now
});
await _db.SaveChangesAsync();
return Ok(new { vendor.Id, vendor.AvailabilityStatus, vendor.AvailabilityUpdatedAt });
}
[HttpGet("sites/{locationId:int}/preferred-vendors")]
public async Task<IActionResult> GetSitePreferences(int locationId)
{
var preferences = await _db.SitePreferredVendors
.AsNoTracking()
.Where(p => p.LocationId == locationId)
.Include(p => p.Vendor)
.OrderBy(p => p.SortOrder)
.Select(p => new
{
p.Id,
p.LocationId,
p.VendorId,
VendorName = p.Vendor!.CompanyName,
p.Trade,
p.SortOrder,
IsStale = !p.Vendor.IsActive || (p.Vendor.IsDeleted ?? false),
p.LastModificationTime,
p.UpdatedBy
})
.ToListAsync();
return Ok(preferences);
}
[HttpPut("sites/{locationId:int}/preferred-vendors")]
public async Task<IActionResult> ReplaceSitePreferences(int locationId, [FromBody] List<SitePreferenceRequest> body)
{
if (!await _db.Locations.AnyAsync(location => location.Id == locationId))
return NotFound(new Response { Status = "Error", Message = "Location not found" });
if (body.GroupBy(item => new { item.VendorId, Trade = item.Trade?.Trim().ToLowerInvariant() }).Any(group => group.Count() > 1))
return BadRequest(new Response { Status = "Error", Message = "Duplicate vendor/trade preference" });
var vendorIds = body.Select(item => item.VendorId).Distinct().ToList();
var vendors = await _db.Vendors.Where(vendor => vendorIds.Contains(vendor.Id)).ToDictionaryAsync(vendor => vendor.Id);
foreach (var item in body)
{
if (!vendors.TryGetValue(item.VendorId, out var vendor) || !vendor.IsActive || (vendor.IsDeleted ?? false))
return BadRequest(new Response { Status = "Error", Message = $"Vendor {item.VendorId} is inactive or missing" });
if (!string.IsNullOrWhiteSpace(item.Trade)
&& !(vendor.TradeSpecialties ?? "").Split(',', StringSplitOptions.TrimEntries | StringSplitOptions.RemoveEmptyEntries)
.Contains(item.Trade.Trim(), StringComparer.OrdinalIgnoreCase))
return BadRequest(new Response { Status = "Error", Message = $"Vendor {item.VendorId} does not support trade '{item.Trade}'" });
}
var now = _timeProvider.GetUtcNow().UtcDateTime;
var actor = Actor();
var existing = await _db.SitePreferredVendors.Where(p => p.LocationId == locationId).ToListAsync();
_db.SitePreferredVendors.RemoveRange(existing);
_db.SitePreferredVendors.AddRange(body.Select((item, index) => new SitePreferredVendor
{
LocationId = locationId,
VendorId = item.VendorId,
Trade = string.IsNullOrWhiteSpace(item.Trade) ? null : item.Trade.Trim(),
SortOrder = item.SortOrder ?? index,
CreatedDate = now,
LastModificationTime = now,
createdby = actor,
UpdatedBy = actor
}));
foreach (var vendorId in existing.Select(p => p.VendorId).Concat(vendorIds).Distinct())
{
_db.VendorAuditLogs.Add(new VendorAuditLog
{
VendorId = vendorId,
FieldName = $"SitePreference:{locationId}",
OldValue = string.Join(",", existing.Where(p => p.VendorId == vendorId).Select(p => $"{p.Trade}:{p.SortOrder}")),
NewValue = string.Join(",", body.Where(p => p.VendorId == vendorId).Select(p => $"{p.Trade}:{p.SortOrder}")),
Actor = actor,
CreatedAt = now
});
}
await _db.SaveChangesAsync();
return await GetSitePreferences(locationId);
}
[HttpPut("documents/{documentId:int}/review")]
public async Task<IActionResult> ReviewDocument(int documentId, [FromBody] DocumentReviewRequest body)
{
if (body.ReviewStatus is not ("Approved" or "Rejected"))
return BadRequest(new Response { Status = "Error", Message = "reviewStatus must be Approved or Rejected" });
if (body.ReviewStatus == "Rejected" && string.IsNullOrWhiteSpace(body.RejectionReason))
return BadRequest(new Response { Status = "Error", Message = "A rejection reason is required" });
var document = await _db.VendorCompletionDocuments.FindAsync(documentId);
if (document == null) return NotFound();
if (document.ScanStatus != "Passed")
return Conflict(new Response { Status = "Conflict", Message = "A document cannot be approved or reviewed until malware scanning passes" });
var now = _timeProvider.GetUtcNow().UtcDateTime;
var previous = document.ReviewStatus;
document.ReviewStatus = body.ReviewStatus;
document.RejectionReason = body.ReviewStatus == "Rejected" ? body.RejectionReason?.Trim() : null;
document.ReviewedAt = now;
document.LastModificationTime = now;
_db.WorkOrderAuditLogs.Add(new WorkOrderAuditLog
{
WorkOrderId = document.WorkOrderId,
UserId = Actor(),
FieldName = $"Completion Document {document.OriginalFileName}",
OldValue = previous,
NewValue = document.ReviewStatus,
Action = "completion_document_reviewed",
CreatedAt = now
});
await _db.SaveChangesAsync();
return Ok(new { document.Id, document.ReviewStatus, document.RejectionReason, document.ReviewedAt });
}
[HttpPut("dispatches/{dispatchId:int}/commercial-status")]
public async Task<IActionResult> UpdateCommercialStatus(int dispatchId, [FromBody] CommercialStatusRequest body)
{
var invoiceStatuses = new[] { "Not Submitted", "Processing", "Confirmed", "Rejected" };
var paymentStatuses = new[] { "Unavailable", "Pending", "Scheduled", "Paid", "On Hold" };
if (!invoiceStatuses.Contains(body.InvoiceStatus))
return BadRequest(new Response { Status = "Error", Message = "Invalid invoice status" });
if (!paymentStatuses.Contains(body.PaymentStatus))
return BadRequest(new Response { Status = "Error", Message = "Invalid payment status" });
var dispatch = await _db.Dispatches.FindAsync(dispatchId);
if (dispatch == null) return NotFound();
var now = _timeProvider.GetUtcNow().UtcDateTime;
var oldValue = $"{dispatch.InvoiceStatus}|{dispatch.PaymentStatus}|{dispatch.InvoiceNumber}";
dispatch.InvoiceStatus = body.InvoiceStatus;
dispatch.PaymentStatus = body.PaymentStatus;
dispatch.InvoiceNumber = string.IsNullOrWhiteSpace(body.InvoiceNumber) ? null : body.InvoiceNumber.Trim();
dispatch.CommercialStatusUpdatedAt = now;
dispatch.LastModificationTime = now;
_db.WorkOrderAuditLogs.Add(new WorkOrderAuditLog
{
WorkOrderId = dispatch.WorkOrderId ?? 0,
UserId = Actor(),
FieldName = $"Dispatch {dispatch.DispatchNumber} Commercial Status",
OldValue = oldValue,
NewValue = $"{dispatch.InvoiceStatus}|{dispatch.PaymentStatus}|{dispatch.InvoiceNumber}",
Action = "commercial_status_updated",
CreatedAt = now
});
await _db.SaveChangesAsync();
return Ok(new
{
dispatch.Id,
dispatch.PONumber,
dispatch.InvoiceNumber,
dispatch.InvoiceStatus,
dispatch.PaymentStatus,
dispatch.CommercialStatusUpdatedAt
});
}
[HttpPut("work-orders/{workOrderId:int}/assignment")]
public async Task<IActionResult> AssignVendor(int workOrderId, [FromBody] VendorAssignmentRequest body)
{
var workOrder = await _db.workOrders.FindAsync(workOrderId);
if (workOrder == null) return NotFound(new Response { Status = "Error", Message = "Work order not found" });
var vendor = await _db.Vendors.FindAsync(body.VendorId);
if (vendor == null || !vendor.IsActive || (vendor.IsDeleted ?? false))
return BadRequest(new Response { Status = "Error", Message = "Only an active vendor can be assigned" });
var start = body.ScheduledStart ?? workOrder.ScheduledStart ?? workOrder.ScheduledDate;
var end = body.ScheduledEnd ?? workOrder.ScheduledEnd ?? start?.AddHours(2);
var scheduledDispatches = start.HasValue && end.HasValue
? await ActiveScheduledDispatches()
.Where(dispatch => dispatch.VendorId == vendor.Id && dispatch.WorkOrderId != workOrderId)
.ToListAsync()
: new List<ScheduledDispatch>();
var conflicts = start.HasValue && end.HasValue
? scheduledDispatches.Where(dispatch => WindowsOverlap(start.Value, end.Value, dispatch.Start, dispatch.End)).ToList()
: new List<ScheduledDispatch>();
var linkedDispatchIds = _db.DispatchWorkOrders
.Where(link => link.WorkOrderId == workOrderId)
.Select(link => link.DispatchId);
var dispatch = await _db.Dispatches
.Where(item => (item.WorkOrderId == workOrderId || linkedDispatchIds.Contains(item.Id))
&& !TerminalDispatchStatuses.Contains(item.Status ?? ""))
.OrderByDescending(item => item.CreatedDate)
.FirstOrDefaultAsync();
var now = _timeProvider.GetUtcNow().UtcDateTime;
var previousVendorId = dispatch?.VendorId;
if (dispatch == null)
{
dispatch = new Dispatch
{
WorkOrderId = workOrderId,
VendorId = vendor.Id,
DispatchNumber = await _dispatchDataService.GenerateNextDispatchNumberAsync(),
PONumber = await _dispatchDataService.GenerateNextPONumberAsync(),
Status = "Sent",
ScheduledDate = start,
EstimatedArrivalAt = body.EstimatedArrivalAt,
EtaManualOverride = body.EtaManualOverride,
DispatchedAt = now,
CreatedDate = now,
createdby = Actor()
};
_db.Dispatches.Add(dispatch);
}
else
{
dispatch.VendorId = vendor.Id;
dispatch.ScheduledDate = start;
dispatch.EstimatedArrivalAt = body.EstimatedArrivalAt;
dispatch.EtaManualOverride = body.EtaManualOverride;
dispatch.LastModificationTime = now;
}
workOrder.ScheduledStart = body.ScheduledStart ?? workOrder.ScheduledStart;
workOrder.ScheduledEnd = body.ScheduledEnd ?? workOrder.ScheduledEnd;
workOrder.ScheduledDate = start ?? workOrder.ScheduledDate;
workOrder.LastModificationTime = now;
_db.WorkOrderAuditLogs.Add(new WorkOrderAuditLog
{
WorkOrderId = workOrderId,
UserId = Actor(),
FieldName = "Vendor Assignment",
OldValue = previousVendorId?.ToString(),
NewValue = vendor.Id.ToString(),
Action = previousVendorId.HasValue ? "vendor_assignment_changed" : "vendor_assigned",
CreatedAt = now
});
await _db.SaveChangesAsync();
return Ok(new
{
dispatch.Id,
dispatch.VendorId,
VendorName = vendor.CompanyName,
dispatch.EstimatedArrivalAt,
dispatch.EtaManualOverride,
AvailabilityStatus = conflicts.Count > 0 ? "Unavailable"
: vendor.AvailabilityUpdatedAt >= now.AddHours(-24) ? vendor.AvailabilityStatus : "Unknown",
Conflicts = conflicts.Select(conflict => new
{
conflict.WorkOrderId,
conflict.WorkOrderNumber,
conflict.Start,
conflict.End
})
});
}
[HttpGet("insights")]
public async Task<IActionResult> GetInsights(
[FromQuery] DateTime? from,
[FromQuery] DateTime? to,
[FromQuery] int? locationId,
[FromQuery] string? trade,
[FromQuery] int? vendorId)
{
var rows = await BuildInsightRows(from, to, locationId, trade, vendorId);
return Ok(new
{
GeneratedAt = _timeProvider.GetUtcNow().UtcDateTime,
Filters = new { from, to, locationId, trade, vendorId },
MetricDefinitions = MetricDefinitions(),
Data = rows
});
}
[HttpGet("insights.csv")]
public async Task<IActionResult> ExportInsightsCsv(
[FromQuery] DateTime? from,
[FromQuery] DateTime? to,
[FromQuery] int? locationId,
[FromQuery] string? trade,
[FromQuery] int? vendorId)
{
var rows = await BuildInsightRows(from, to, locationId, trade, vendorId);
var csv = new StringBuilder("VendorId,Vendor,CompletedJobs,CancellationRefusalRate,OnTimeArrivalRate,OnTimeCompletionRate,AverageCycleHours\n");
foreach (var row in rows)
{
csv.AppendLine(string.Join(",",
row.VendorId,
Csv(row.Vendor),
row.CompletedJobs,
row.CancellationRefusalRate.ToString("0.####"),
row.OnTimeArrivalRate.ToString("0.####"),
row.OnTimeCompletionRate.ToString("0.####"),
row.AverageCycleHours?.ToString("0.##") ?? ""));
}
return File(Encoding.UTF8.GetBytes(csv.ToString()), "text/csv", $"vendor-insights-{DateTime.UtcNow:yyyyMMddHHmmss}.csv");
}
[HttpGet("insights.pdf")]
public async Task<IActionResult> ExportInsightsPdf(
[FromQuery] DateTime? from,
[FromQuery] DateTime? to,
[FromQuery] int? locationId,
[FromQuery] string? trade,
[FromQuery] int? vendorId)
{
var rows = await BuildInsightRows(from, to, locationId, trade, vendorId);
var lines = new List<string>
{
"Vendor Performance Insights",
$"Generated: {_timeProvider.GetUtcNow():u}",
$"Filters: from={from:u}; to={to:u}; site={locationId}; trade={trade}; vendor={vendorId}",
"Definitions: completed jobs; cancellation/refusal rate; on-time acknowledgement; on-time completion; average dispatch-to-completion hours."
};
lines.AddRange(rows.Take(35).Select(row =>
$"{row.Vendor}: completed {row.CompletedJobs}; cancel/refusal {row.CancellationRefusalRate:P1}; arrival {row.OnTimeArrivalRate:P1}; completion {row.OnTimeCompletionRate:P1}; cycle {row.AverageCycleHours:0.0}h"));
return File(SimplePdf(lines), "application/pdf", $"vendor-insights-{DateTime.UtcNow:yyyyMMddHHmmss}.pdf");
}
private IQueryable<ScheduledDispatch> ActiveScheduledDispatches()
{
var direct = _db.Dispatches.AsNoTracking()
.Where(dispatch => !TerminalDispatchStatuses.Contains(dispatch.Status ?? "")
&& (dispatch.IsDeleted == null || dispatch.IsDeleted == false)
&& dispatch.WorkOrderId.HasValue
&& (dispatch.ScheduledDate.HasValue
|| (dispatch.WorkOrder != null && dispatch.WorkOrder.ScheduledStart.HasValue)))
.Select(dispatch => new ScheduledDispatch
{
Id = dispatch.Id,
VendorId = dispatch.VendorId,
VendorName = dispatch.Vendor!.CompanyName,
WorkOrderId = dispatch.WorkOrderId!.Value,
WorkOrderNumber = dispatch.WorkOrder!.InternalWONumber ?? dispatch.WorkOrder.WorkerOrderNumber,
Start = dispatch.WorkOrder!.ScheduledStart ?? dispatch.ScheduledDate!.Value,
End = dispatch.WorkOrder.ScheduledEnd
?? (dispatch.WorkOrder.ScheduledStart ?? dispatch.ScheduledDate!.Value).AddHours(2)
});
var linked = _db.DispatchWorkOrders.AsNoTracking()
.Where(link => link.Dispatch != null
&& link.WorkOrder != null
&& link.Dispatch.WorkOrderId != link.WorkOrderId
&& !TerminalDispatchStatuses.Contains(link.Dispatch.Status ?? "")
&& (link.Dispatch.IsDeleted == null || link.Dispatch.IsDeleted == false)
&& (link.Dispatch.ScheduledDate.HasValue || link.WorkOrder.ScheduledStart.HasValue))
.Select(link => new ScheduledDispatch
{
Id = link.DispatchId,
VendorId = link.Dispatch!.VendorId,
VendorName = link.Dispatch.Vendor!.CompanyName,
WorkOrderId = link.WorkOrderId,
WorkOrderNumber = link.WorkOrder!.InternalWONumber ?? link.WorkOrder.WorkerOrderNumber,
Start = link.WorkOrder.ScheduledStart ?? link.Dispatch.ScheduledDate!.Value,
End = link.WorkOrder.ScheduledEnd
?? (link.WorkOrder.ScheduledStart ?? link.Dispatch.ScheduledDate!.Value).AddHours(2)
});
return direct.Concat(linked);
}
private static IEnumerable<(ScheduledDispatch Left, ScheduledDispatch Right)> BuildConflictPairs(List<ScheduledDispatch> dispatches)
{
for (var leftIndex = 0; leftIndex < dispatches.Count; leftIndex++)
{
for (var rightIndex = leftIndex + 1; rightIndex < dispatches.Count; rightIndex++)
{
var left = dispatches[leftIndex];
var right = dispatches[rightIndex];
if (left.VendorId == right.VendorId
&& left.WorkOrderId != right.WorkOrderId
&& WindowsOverlap(left.Start, left.End, right.Start, right.End))
yield return (left, right);
}
}
}
private async Task<List<VendorInsightRow>> BuildInsightRows(
DateTime? from, DateTime? to, int? locationId, string? trade, int? vendorId)
{
var query = _db.Dispatches.AsNoTracking()
.Include(dispatch => dispatch.Vendor)
.Include(dispatch => dispatch.WorkOrder)
.Where(dispatch => dispatch.Vendor != null);
if (from.HasValue) query = query.Where(dispatch => (dispatch.DispatchedAt ?? dispatch.CreatedDate) >= from);
if (to.HasValue) query = query.Where(dispatch => (dispatch.DispatchedAt ?? dispatch.CreatedDate) <= to);
if (locationId.HasValue) query = query.Where(dispatch => dispatch.WorkOrder!.LocationId == locationId);
if (!string.IsNullOrWhiteSpace(trade)) query = query.Where(dispatch => dispatch.WorkOrder!.Trade == trade);
if (vendorId.HasValue) query = query.Where(dispatch => dispatch.VendorId == vendorId);
var dispatches = await query.ToListAsync();
return dispatches.GroupBy(dispatch => dispatch.VendorId)
.Select(group =>
{
var completed = group.Where(dispatch => dispatch.Status is "Completed" or "Verified").ToList();
var canceled = group.Count(dispatch => dispatch.Status is "Cancelled" or "Canceled" or "Refused");
var acknowledgedWithSchedule = group.Where(dispatch => dispatch.AcknowledgedAt.HasValue && dispatch.ScheduledDate.HasValue).ToList();
var completedWithDue = completed.Where(dispatch => dispatch.CompletedDate.HasValue && dispatch.WorkOrder?.DueDate != null).ToList();
var cycleRows = completed.Where(dispatch => dispatch.CompletedDate.HasValue && (dispatch.DispatchedAt ?? dispatch.CreatedDate).HasValue).ToList();
return new VendorInsightRow
{
VendorId = group.Key,
Vendor = group.First().Vendor?.CompanyName ?? $"Vendor {group.Key}",
CompletedJobs = completed.Count,
CancellationRefusalRate = Rate(canceled, group.Count()),
OnTimeArrivalRate = Rate(
acknowledgedWithSchedule.Count(dispatch => dispatch.AcknowledgedAt <= dispatch.ScheduledDate),
acknowledgedWithSchedule.Count),
OnTimeCompletionRate = Rate(
completedWithDue.Count(dispatch => dispatch.CompletedDate <= dispatch.WorkOrder!.DueDate),
completedWithDue.Count),
AverageCycleHours = cycleRows.Count == 0 ? null : cycleRows.Average(dispatch =>
(dispatch.CompletedDate!.Value - (dispatch.DispatchedAt ?? dispatch.CreatedDate)!.Value).TotalHours)
};
})
.OrderBy(row => row.Vendor)
.ToList();
}
private string Actor() => User.FindFirstValue(ClaimTypes.NameIdentifier)
?? User.Identity?.Name
?? "unknown";
private static bool WindowsOverlap(DateTime leftStart, DateTime leftEnd, DateTime rightStart, DateTime rightEnd)
=> leftStart < rightEnd && rightStart < leftEnd;
private static decimal Rate(int numerator, int denominator)
=> denominator == 0 ? 0 : Math.Round((decimal)numerator / denominator, 4);
private static string Csv(string value)
{
var spreadsheetSafe = value.Length > 0 && "=+-@\t\r".Contains(value[0])
? $"'{value}"
: value;
return $"\"{spreadsheetSafe.Replace("\"", "\"\"")}\"";
}
private static object MetricDefinitions() => new
{
CompletedJobs = "Dispatches with Completed or Verified status.",
CancellationRefusalRate = "Cancelled, Canceled, or Refused dispatches divided by all dispatches.",
OnTimeArrivalRate = "Acknowledgements at or before scheduled time divided by dispatches with both timestamps.",
OnTimeCompletionRate = "Completions at or before the work-order due date divided by completed dispatches with a due date.",
AverageCycleHours = "Average elapsed hours from dispatch to completion."
};
private static byte[] SimplePdf(IEnumerable<string> lines)
{
var escaped = lines.Select(line => line.Replace("\\", "\\\\").Replace("(", "\\(").Replace(")", "\\)"));
var content = "BT /F1 10 Tf 40 760 Td 13 TL "
+ string.Join(" T* ", escaped.Select(line => $"({line}) Tj"))
+ " ET";
var objects = new[]
{
"<< /Type /Catalog /Pages 2 0 R >>",
"<< /Type /Pages /Kids [3 0 R] /Count 1 >>",
"<< /Type /Page /Parent 2 0 R /MediaBox [0 0 612 792] /Resources << /Font << /F1 5 0 R >> >> /Contents 4 0 R >>",
$"<< /Length {Encoding.ASCII.GetByteCount(content)} >>\nstream\n{content}\nendstream",
"<< /Type /Font /Subtype /Type1 /BaseFont /Helvetica >>"
};
var builder = new StringBuilder("%PDF-1.4\n");
var offsets = new List<int> { 0 };
for (var index = 0; index < objects.Length; index++)
{
offsets.Add(Encoding.ASCII.GetByteCount(builder.ToString()));
builder.Append($"{index + 1} 0 obj\n{objects[index]}\nendobj\n");
}
var xrefOffset = Encoding.ASCII.GetByteCount(builder.ToString());
builder.Append($"xref\n0 {objects.Length + 1}\n0000000000 65535 f \n");
foreach (var offset in offsets.Skip(1)) builder.Append($"{offset:D10} 00000 n \n");
builder.Append($"trailer << /Size {objects.Length + 1} /Root 1 0 R >>\nstartxref\n{xrefOffset}\n%%EOF");
return Encoding.ASCII.GetBytes(builder.ToString());
}
public sealed class AvailabilityRequest
{
public string? Status { get; set; }
}
public sealed class SitePreferenceRequest
{
public int VendorId { get; set; }
public string? Trade { get; set; }
public int? SortOrder { get; set; }
}
public sealed class DocumentReviewRequest
{
public string ReviewStatus { get; set; } = "";
public string? RejectionReason { get; set; }
}
public sealed class CommercialStatusRequest
{
public string InvoiceStatus { get; set; } = "Not Submitted";
public string PaymentStatus { get; set; } = "Unavailable";
public string? InvoiceNumber { get; set; }
}
public sealed class VendorAssignmentRequest
{
public int VendorId { get; set; }
public DateTime? ScheduledStart { get; set; }
public DateTime? ScheduledEnd { get; set; }
public DateTime? EstimatedArrivalAt { get; set; }
public bool EtaManualOverride { get; set; }
}
private sealed class ScheduledDispatch
{
public int Id { get; set; }
public int VendorId { get; set; }
public string? VendorName { get; set; }
public int WorkOrderId { get; set; }
public string? WorkOrderNumber { get; set; }
public DateTime Start { get; set; }
public DateTime End { get; set; }
}
private sealed class VendorInsightRow
{
public int VendorId { get; set; }
public string Vendor { get; set; } = "";
public int CompletedJobs { get; set; }
public decimal CancellationRefusalRate { get; set; }
public decimal OnTimeArrivalRate { get; set; }
public decimal OnTimeCompletionRate { get; set; }
public double? AverageCycleHours { get; set; }
}
}
}