feat(export): buildSubjectSeriesMatrix — subjects as columns over an X field

2026-07-19 14:59:42 -04:00
parent 8510903771
commit 39a5a4ec0c
2 changed files with 94 additions and 0 deletions
@@ -120,6 +120,42 @@ export function buildSampleIndex(statuses, xField, dailyTemplate) {
  return index;
 }

+function xFieldLabel(xField, dailyTemplate) {
+  if (xField === '__date__') return 'Date';
+  if (xField === '__days__') return '# Days Reach';
+  return (dailyTemplate ?? []).find((f) => f.fieldId === xField)?.label ?? '';
+}
+
+// Subjects as columns, X-field values as rows, one Data value per cell.
+// Returns the { context, corner, groupAxis, columns, rows } shape toCSV consumes.
+export function buildSubjectSeriesMatrix({ xField, dataParam, groupField }, { statuses, animals, dailyTemplate }) {
+  const columns = listSubjectMembers(animals, groupField);
+  const rowMembers = listSampleMembers(statuses, xField, dailyTemplate);
+  const index = buildSampleIndex(statuses, xField, dailyTemplate);
+
+  const cellValue = (sampleValue, animalId) => {
+    const status = index.get(animalId)?.get(sampleValue);
+    if (!status || !dataParam) return '';
+    const v = extractValue(status, dataParam);
+    return hasValue(v) ? v : '';
+  };
+
+  let rows = rowMembers.map((rm) => ({
+    member: rm,
+    values: columns.map((c) => cellValue(rm.sampleValue, c.animalId)),
+  }));
+  rows = rows.filter((r) => r.values.some((v) => v !== '')); // drop entirely-blank sample rows
+
+  const grouped = !!groupField && groupField !== '__none__';
+  return {
+    corner: xFieldLabel(xField, dailyTemplate),
+    context: { label: 'Data', value: dataParam?.label ?? '' },
+    groupAxis: grouped ? 'col' : null,
+    columns,
+    rows,
+  };
+}
+
 export const EXPORT_DIMENSIONS = [
  { dim: 'date', label: 'Date' },
  { dim: 'subject', label: 'Subject' },