refactor: share reply payload threading/dedupe

src/auto-reply/reply/reply-payloads.ts

@@ -0,0 +1,52 @@
+import { isMessagingToolDuplicate } from "../../agents/pi-embedded-helpers.js";
+import type { ReplyPayload } from "../types.js";
+import { extractReplyToTag } from "./reply-tags.js";
+
+export type ReplyToModeFilter = (payload: ReplyPayload) => ReplyPayload;
+
+export function applyReplyTagsToPayload(
+  payload: ReplyPayload,
+  currentMessageId?: string,
+): ReplyPayload {
+  if (typeof payload.text !== "string") return payload;
+  const { cleaned, replyToId } = extractReplyToTag(
+    payload.text,
+    currentMessageId,
+  );
+  return {
+    ...payload,
+    text: cleaned ? cleaned : undefined,
+    replyToId: replyToId ?? payload.replyToId,
+  };
+}
+
+export function isRenderablePayload(payload: ReplyPayload): boolean {
+  return Boolean(
+    payload.text ||
+      payload.mediaUrl ||
+      (payload.mediaUrls && payload.mediaUrls.length > 0),
+  );
+}
+
+export function applyReplyThreading(params: {
+  payloads: ReplyPayload[];
+  applyReplyToMode: ReplyToModeFilter;
+  currentMessageId?: string;
+}): ReplyPayload[] {
+  const { payloads, applyReplyToMode, currentMessageId } = params;
+  return payloads
+    .map((payload) => applyReplyTagsToPayload(payload, currentMessageId))
+    .filter(isRenderablePayload)
+    .map(applyReplyToMode);
+}
+
+export function filterMessagingToolDuplicates(params: {
+  payloads: ReplyPayload[];
+  sentTexts: string[];
+}): ReplyPayload[] {
+  const { payloads, sentTexts } = params;
+  if (sentTexts.length === 0) return payloads;
+  return payloads.filter(
+    (payload) => !isMessagingToolDuplicate(payload.text ?? "", sentTexts),
+  );
+}