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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| import { NextResponse } from "next/server"; | ||
| import { DirectMessage } from "@prisma/client"; | ||
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| import { currentProfile } from "@/lib/current-profile"; | ||
| import { db } from "@/lib/db"; | ||
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| const MESSAGES_BATCH = 10; | ||
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| export async function GET( | ||
| req: Request | ||
| ) { | ||
| try { | ||
| const profile = await currentProfile(); | ||
| const { searchParams } = new URL(req.url); | ||
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| const cursor = searchParams.get("cursor"); | ||
| const conversationId = searchParams.get("conversationId"); | ||
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| if (!profile) { | ||
| return new NextResponse("Unauthorized", { status: 401 }); | ||
| } | ||
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| if (!conversationId) { | ||
| return new NextResponse("Conversation ID missing", { status: 400 }); | ||
| } | ||
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| let messages: DirectMessage[] = []; | ||
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| if (cursor) { | ||
| messages = await db.directMessage.findMany({ | ||
| take: MESSAGES_BATCH, | ||
| skip: 1, | ||
| cursor: { | ||
| id: cursor, | ||
| }, | ||
| where: { | ||
| conversationId, | ||
| }, | ||
| include: { | ||
| member: { | ||
| include: { | ||
| profile: true, | ||
| } | ||
| } | ||
| }, | ||
| orderBy: { | ||
| createdAt: "desc", | ||
| } | ||
| }) | ||
| } else { | ||
| messages = await db.directMessage.findMany({ | ||
| take: MESSAGES_BATCH, | ||
| where: { | ||
| conversationId, | ||
| }, | ||
| include: { | ||
| member: { | ||
| include: { | ||
| profile: true, | ||
| } | ||
| } | ||
| }, | ||
| orderBy: { | ||
| createdAt: "desc", | ||
| } | ||
| }); | ||
| } | ||
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| let nextCursor = null; | ||
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| if (messages.length === MESSAGES_BATCH) { | ||
| nextCursor = messages[MESSAGES_BATCH - 1].id; | ||
| } | ||
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| return NextResponse.json({ | ||
| items: messages, | ||
| nextCursor | ||
| }); | ||
| } catch (error) { | ||
| console.log("[DIRECT_MESSAGES_GET]", error); | ||
| return new NextResponse("Internal Error", { status: 500 }); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| import { useEffect, useState } from "react"; | ||
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| type ChatScrollProps = { | ||
| chatRef: React.RefObject<HTMLDivElement>; | ||
| bottomRef: React.RefObject<HTMLDivElement>; | ||
| shouldLoadMore: boolean; | ||
| loadMore: () => void; | ||
| count: number; | ||
| }; | ||
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| export const useChatScroll = ({ | ||
| chatRef, | ||
| bottomRef, | ||
| shouldLoadMore, | ||
| loadMore, | ||
| count, | ||
| }: ChatScrollProps) => { | ||
| const [hasInitialized, setHasInitialized] = useState(false); | ||
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| useEffect(() => { | ||
| const topDiv = chatRef?.current; | ||
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| const handleScroll = () => { | ||
| const scrollTop = topDiv?.scrollTop; | ||
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| if (scrollTop === 0 && shouldLoadMore) { | ||
| loadMore() | ||
| } | ||
| }; | ||
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| topDiv?.addEventListener("scroll", handleScroll); | ||
|
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| return () => { | ||
| topDiv?.removeEventListener("scroll", handleScroll); | ||
| } | ||
| }, [shouldLoadMore, loadMore, chatRef]); | ||
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| useEffect(() => { | ||
| const bottomDiv = bottomRef?.current; | ||
| const topDiv = chatRef.current; | ||
| const shouldAutoScroll = () => { | ||
| if (!hasInitialized && bottomDiv) { | ||
| setHasInitialized(true); | ||
| return true; | ||
| } | ||
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| if (!topDiv) { | ||
| return false; | ||
| } | ||
|
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| const distanceFromBottom = topDiv.scrollHeight - topDiv.scrollTop - topDiv.clientHeight; | ||
| return distanceFromBottom <= 100; | ||
| } | ||
|
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| if (shouldAutoScroll()) { | ||
| setTimeout(() => { | ||
| bottomRef.current?.scrollIntoView({ | ||
| behavior: "smooth", | ||
| }); | ||
| }, 100); | ||
| } | ||
| }, [bottomRef, chatRef, count, hasInitialized]); | ||
| } |