Files
2026-06-25 00:25:31 +08:00

72 lines
2.3 KiB
C#

public static class AlertExplanationBuilder
{
public static AlertExplanation Build(
string scoringLabel,
int? totalScore,
List<ScoreContributor> contributors,
TrendContext? trend = null,
MedicationContext? medication = null)
{
return new AlertExplanation
{
ScoreContributors = contributors,
Trend = trend,
MedicationContext = medication,
NarrativeSummary = BuildNarrative(scoringLabel, totalScore, contributors, trend, medication)
};
}
private static string BuildNarrative(
string scoringLabel,
int? totalScore,
List<ScoreContributor> contributors,
TrendContext? trend,
MedicationContext? medication)
{
var elevated = contributors.Where(c => c.Points > 0).ToList();
if (elevated.Count == 0)
elevated = contributors;
var headline = totalScore.HasValue
? $"{scoringLabel} {totalScore} — "
: $"{scoringLabel} — ";
var contributorText = string.Join(", ",
elevated.Select(c => $"{c.Parameter.ToLowerInvariant()} (+{c.Points})"));
var parts = new List<string> { headline + contributorText };
if (trend is not null)
{
parts.Add(
$"{trend.Parameter} {trend.Direction.ToLowerInvariant()} " +
$"{trend.PercentChange:F0}% over {FormatDuration(trend.Duration)}.");
}
if (medication is not null)
{
var minutesAgo = (int)(DateTimeOffset.UtcNow - medication.AdministeredAt).TotalMinutes;
var medLine =
$"{medication.DrugName} {medication.Dose} {medication.Route} " +
$"administered {minutesAgo} minutes ago";
if (!string.IsNullOrEmpty(medication.RelevanceNote))
medLine += $" ({medication.RelevanceNote})";
parts.Add(medLine);
}
return string.Join(" ", parts);
}
private static string FormatDuration(TimeSpan duration)
{
if (duration.TotalHours >= 1)
{
var hours = (int)duration.TotalHours;
return $"{hours} hour{(hours == 1 ? "" : "s")}";
}
var minutes = (int)duration.TotalMinutes;
return $"{minutes} minute{(minutes == 1 ? "" : "s")}";
}
}