45 lines
1.5 KiB
TypeScript
45 lines
1.5 KiB
TypeScript
import { getDmConversations, countUnreadDms } from "../../db/chat";
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import { getProfile } from "../../db/profile";
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import { getUsersMeta } from "../../utils/getUsersMeta";
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/** GET /api/chat/dm-conversations */
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export default defineEventHandler(async (event) => {
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const user = await requireUser(event);
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const [messages, unreadByPartner] = await Promise.all([
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getDmConversations(user.id),
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countUnreadDms(user.id),
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]);
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if (messages.length === 0) return [];
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const partnerMap = new Map<string, (typeof messages)[0]>();
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for (const msg of messages) {
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const partnerId = msg.senderId === user.id ? msg.receiverId : msg.senderId;
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if (!partnerMap.has(partnerId)) partnerMap.set(partnerId, msg);
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}
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const partnerIds = Array.from(partnerMap.keys());
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const [profileResults, metaMap] = await Promise.all([
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Promise.all(partnerIds.map((id) => getProfile(id))),
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getUsersMeta(partnerIds),
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]);
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const profileMap = new Map(
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profileResults.filter(Boolean).map((p) => [p!.id, p!]),
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);
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return Array.from(partnerMap.entries()).map(([partnerId, lastMsg]) => {
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const p = profileMap.get(partnerId);
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const meta = metaMap[partnerId] ?? { nickname: null, avatar: null };
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return {
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partnerId,
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partnerName: meta.nickname ?? p?.username ?? "Anonym",
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partnerAvatar: meta.avatar ?? null,
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lastMessage: lastMsg.content.slice(0, 60),
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lastMessageAt: lastMsg.createdAt,
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isOwn: lastMsg.senderId === user.id,
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unreadCount: unreadByPartner[partnerId] ?? 0,
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};
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});
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});
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