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fix(analysis): refresh stale job summaries

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cesnimda
2026-08-28 12:56:16 +02:00
parent 8e344379b4
commit cc01540446
2 changed files with 140 additions and 7 deletions
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JobTrackerApi/Controllers/JobApplicationsController.cs
+70
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@@ -833,6 +833,9 @@ Canonical profile:
var oldStatus = job.Status;
var oldResponseReceived = job.ResponseReceived;
var oldResponseDate = job.ResponseDate;
var previousJobTitle = job.JobTitle;
var previousDescription = job.Description;
var previousTranslatedDescription = job.TranslatedDescription;
var title = (request.JobTitle ?? "").Trim();
if (title.Length == 0) return BadRequest("Job title is required.");
@@ -868,6 +871,36 @@ Canonical profile:
// Status may have changed above; keep DateApplied consistent with the stage.
SyncAppliedDateWithHistory(job);
// The persisted short analysis is generated on create. Refresh it only when the source
// job content materially changes; opening the workspace or saving an unrelated field
// must never spend another AI call. Clear the old summary first so a failed refresh
// cannot present analysis for an advert the user has replaced.
if (HasSubstantialAnalysisChange(
previousJobTitle, previousDescription, previousTranslatedDescription,
job.JobTitle, job.Description, job.TranslatedDescription))
{
job.ShortSummary = null;
try
{
if (await CanCurrentUserUseAiAsync(cancellationToken))
{
job.ShortSummary = await _summarizer.SummarizeAsync(BuildSummarySource(job), 160, 60);
_db.JobEvents.Add(new JobEvent
{
JobApplicationId = job.Id,
Type = "AiRefreshed",
Note = "Job analysis automatically refreshed after the advert changed.",
At = DateTime.Now,
});
}
}
catch
{
// Editing the application must still succeed if the optional analysis provider
// is unavailable. The manual refresh action remains available.
}
}
if (oldResponseReceived != job.ResponseReceived || oldResponseDate != job.ResponseDate)
{
_db.JobEvents.Add(new JobEvent
@@ -887,6 +920,43 @@ Canonical profile:
return NoContent();
}
private static bool HasSubstantialAnalysisChange(
string? previousTitle,
string? previousDescription,
string? previousTranslatedDescription,
string? currentTitle,
string? currentDescription,
string? currentTranslatedDescription)
{
if (!string.Equals(NormalizeAnalysisText(previousTitle), NormalizeAnalysisText(currentTitle), StringComparison.Ordinal))
return true;
var before = NormalizeAnalysisText($"{previousDescription} {previousTranslatedDescription}");
var after = NormalizeAnalysisText($"{currentDescription} {currentTranslatedDescription}");
if (before == after) return false;
if (before.Length == 0 || after.Length == 0) return true;
var lengthChange = Math.Abs(before.Length - after.Length);
if (lengthChange >= Math.Max(80, before.Length / 10)) return true;
var beforeTokens = before.Split(' ', StringSplitOptions.RemoveEmptyEntries).ToHashSet(StringComparer.Ordinal);
var afterTokens = after.Split(' ', StringSplitOptions.RemoveEmptyEntries).ToHashSet(StringComparer.Ordinal);
var union = beforeTokens.Union(afterTokens).Count();
if (union == 0) return false;
var overlap = beforeTokens.Intersect(afterTokens).Count();
return 1d - overlap / (double)union >= 0.12d;
}
private static string NormalizeAnalysisText(string? value)
{
if (string.IsNullOrWhiteSpace(value)) return string.Empty;
var words = value.ToLowerInvariant()
.Split((char[]?)null, StringSplitOptions.RemoveEmptyEntries)
.Select(word => word.Trim().Trim(',', '.', ':', ';', '!', '?', '-', '–', '—', '(', ')', '[', ']', '"', '\''))
.Where(word => word.Length > 0);
return string.Join(' ', words);
}
/// <summary>Canonical ordered pipeline stages so the UI renders one source of truth.</summary>
[HttpGet("pipeline")]
public ActionResult<IEnumerable<PipelineStageDto>> GetPipeline()