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perf(applications): bound correspondence reads to the current page

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cesnimda
2026-11-10 17:42:08 +01:00
parent 327d99dfda
commit bca750446f
7 changed files with 434 additions and 4 deletions
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JobTrackerApi/Controllers/JobApplicationsController.cs
+10 -4
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@@ -542,8 +542,7 @@ Canonical profile:
var settings = await GetCachedRuleSettingsAsync(cancellationToken);
var now = DateTime.Now;
var lastMsg = await _db.Correspondences
.AsNoTracking()
Task<Dictionary<int, DateTime?>> LoadLatestMessagesAsync(IQueryable<Correspondence> messages) => messages
.GroupBy(c => c.JobApplicationId)
.Select(g => new { JobApplicationId = g.Key, Last = g.Max(x => x.Date) })
.ToDictionaryAsync(x => x.JobApplicationId, x => (DateTime?)x.Last, cancellationToken);
@@ -556,11 +555,12 @@ Canonical profile:
{
// Both filters depend on rule evaluation and workflow signals that include normalized
// note content, so evaluate before pagination to keep totals/pages correct.
var latestMessages = await LoadLatestMessagesAsync(_db.Correspondences.AsNoTracking());
var pre = await query.ToListAsync(cancellationToken);
var filtered = new List<JobApplication>();
foreach (var j in pre)
{
lastMsg.TryGetValue(j.Id, out var lm);
latestMessages.TryGetValue(j.Id, out var lm);
var d = RulesEngine.Evaluate(settings, j, now, lm);
var signal = BuildWorkflowSignal(j, d);
var matchesFollowUp = !needsFollowUp || d.NeedsFollowUp;
@@ -592,7 +592,7 @@ Canonical profile:
var dtoItems = new List<JobApplicationDto>();
foreach (var j in pageItems)
{
lastMsg.TryGetValue(j.Id, out var lm);
latestMessages.TryGetValue(j.Id, out var lm);
var d = RulesEngine.Evaluate(settings, j, now, lm);
dtoItems.Add(BuildJobApplicationDto(j, d));
}
@@ -623,6 +623,12 @@ Canonical profile:
.Take(pageSize)
.ToListAsync(cancellationToken);
if (items.Count == 0) return Ok(new PagedResult<JobApplicationDto>([], total, page, pageSize));
var pageIds = items.Select(job => job.Id).ToArray();
var lastMsg = await LoadLatestMessagesAsync(_db.Correspondences.AsNoTracking()
.Where(message => pageIds.Contains(message.JobApplicationId)));
var dtos = new List<JobApplicationDto>();
foreach (var j in items)
{