frontend

frontend/src/activeConfigSelection.ts

@@ -0,0 +1,45 @@
+import type { GraphConfigListItem } from "./types";
+
+function toTimestamp(value?: string | null): number {
+  if (!value) {
+    return 0;
+  }
+  const parsed = Date.parse(value);
+  return Number.isNaN(parsed) ? 0 : parsed;
+}
+
+export function chooseActiveConfigItem(
+  items: GraphConfigListItem[],
+  pipelineId: string
+): GraphConfigListItem | null {
+  const candidates = items.filter((item) => item.pipeline_id === pipelineId);
+  if (candidates.length === 0) {
+    return null;
+  }
+  const active = candidates.find((item) => item.is_active);
+  if (active) {
+    return active;
+  }
+  return [...candidates].sort((a, b) => toTimestamp(b.updated_at) - toTimestamp(a.updated_at))[0];
+}
+
+export function chooseDisplayItemsByPipeline(
+  items: GraphConfigListItem[]
+): GraphConfigListItem[] {
+  const byPipeline = new Map<string, GraphConfigListItem[]>();
+  for (const item of items) {
+    const list = byPipeline.get(item.pipeline_id) || [];
+    list.push(item);
+    byPipeline.set(item.pipeline_id, list);
+  }
+
+  const out: GraphConfigListItem[] = [];
+  for (const [pipelineId, list] of byPipeline.entries()) {
+    const selected = chooseActiveConfigItem(list, pipelineId);
+    if (selected) {
+      out.push(selected);
+    }
+  }
+  return out.sort((a, b) => a.pipeline_id.localeCompare(b.pipeline_id));
+}
+