Extract message runtime preflight helpers

src/message-runtime-preflight-messages.ts

@@ -0,0 +1,58 @@
+import { getMessagesSinceSeq } from './db.js';
+import {
+  filterLoopingPairedBotMessages,
+  getProcessableMessages,
+} from './message-runtime-rules.js';
+import type { WorkItem } from './db/work-items.js';
+import type { Channel, NewMessage } from './types.js';
+
+export function getFreshHumanPreflightMessages(args: {
+  chatJid: string;
+  channel: Channel;
+  lastAgentTimestamps: Record<string, string>;
+  assistantName: string;
+  failureFinalText: string;
+}): NewMessage[] {
+  const sinceSeqCursor = args.lastAgentTimestamps[args.chatJid] || '0';
+  const preflightRawMessages = getMessagesSinceSeq(
+    args.chatJid,
+    sinceSeqCursor,
+    args.assistantName,
+  );
+  const preflightMessages = filterLoopingPairedBotMessages(
+    args.chatJid,
+    getProcessableMessages(args.chatJid, preflightRawMessages, args.channel),
+    args.failureFinalText,
+  );
+  return preflightMessages.filter(
+    (message) => message.is_from_me !== true && !message.is_bot_message,
+  );
+}
+
+export function hasHumanMessageAfterWorkItem(
+  openWorkItem: WorkItem,
+  freshHumanMessages: NewMessage[],
+): boolean {
+  if (freshHumanMessages.length === 0) {
+    return false;
+  }
+
+  const workItemSeq = openWorkItem.end_seq ?? openWorkItem.start_seq ?? null;
+  const workItemUpdatedAt = Date.parse(openWorkItem.updated_at);
+
+  return freshHumanMessages.some((message) => {
+    if (message.seq != null && workItemSeq != null) {
+      return message.seq > workItemSeq;
+    }
+
+    const messageTimestamp = Date.parse(message.timestamp);
+    if (
+      Number.isFinite(messageTimestamp) &&
+      Number.isFinite(workItemUpdatedAt)
+    ) {
+      return messageTimestamp > workItemUpdatedAt;
+    }
+
+    return true;
+  });
+}