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Implement message board on team home page
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| import { useCurrentTeam } from "@/app/t/[teamSlug]/hooks"; | ||
| import { Button } from "@/components/ui/button"; | ||
| import { ScrollArea } from "@/components/ui/scroll-area"; | ||
| import { Separator } from "@/components/ui/separator"; | ||
| import { Textarea } from "@/components/ui/textarea"; | ||
| import { api } from "@/convex/_generated/api"; | ||
| import { useMutation, usePaginatedQuery } from "convex/react"; | ||
| import { useCallback, useRef, useState } from "react"; | ||
|
|
||
| export function MessageBoard() { | ||
| const team = useCurrentTeam(); | ||
| const { | ||
| results: messages, | ||
| loadMore, | ||
| status, | ||
| } = usePaginatedQuery( | ||
| api.users.teams.messages.list, | ||
| team == null ? "skip" : { teamId: team._id }, | ||
| { initialNumItems: 10 } | ||
| ); | ||
| const [message, setMessage] = useState(""); | ||
| const sendMessage = useMutation(api.users.teams.messages.create); | ||
| const listRef = useRef<HTMLElement>(null); | ||
| const handleScroll = useCallback(() => { | ||
| if (listRef.current === null) { | ||
| return; | ||
| } | ||
| const { scrollTop, scrollHeight, clientHeight } = listRef.current; | ||
| if ( | ||
| scrollHeight - scrollTop <= clientHeight * 1.5 && | ||
| status === "CanLoadMore" | ||
| ) { | ||
| loadMore(10); | ||
| } | ||
| }, [loadMore, status]); | ||
|
|
||
| return ( | ||
| <div className="max-w-xl flex flex-col gap-2 mt-8"> | ||
| <form | ||
| className="flex gap-2" | ||
| onSubmit={(event) => { | ||
| event.preventDefault(); | ||
| void sendMessage({ text: message, teamId: team!._id }).then(() => { | ||
| setMessage(""); | ||
| }); | ||
| }} | ||
| > | ||
| <Textarea | ||
| name="message" | ||
| placeholder="Message text..." | ||
| value={message} | ||
| onChange={(event) => setMessage(event.target.value)} | ||
| /> | ||
| <Button type="submit">Send Message</Button> | ||
| </form> | ||
| <ScrollArea className="h-72 rounded-md border" onScroll={handleScroll}> | ||
| <div className="p-4"> | ||
| {messages.map((message) => ( | ||
| <div key={message._id} className="text-sm"> | ||
| <div> | ||
| <span className="font-semibold">{message.author}:</span>{" "} | ||
| {message.text} | ||
| </div> | ||
| <Separator className="my-2" /> | ||
| </div> | ||
| ))} | ||
| {status === "Exhausted" && messages.length === 0 && ( | ||
| <div className="text-muted-foreground"> | ||
| There are no messages posted yet | ||
| </div> | ||
| )} | ||
| </div> | ||
| </ScrollArea> | ||
| </div> | ||
| ); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,14 +1,22 @@ | ||
| "use client"; | ||
|
|
||
| import { useState } from "react"; | ||
| import { MessageBoard } from "@/app/t/[teamSlug]/MessageBoard"; | ||
| import { useCurrentTeam } from "@/app/t/[teamSlug]/hooks"; | ||
|
|
||
| export default function Home() { | ||
| const [count, setCount] = useState(0); | ||
| const team = useCurrentTeam(); | ||
| if (team == null) { | ||
| return null; | ||
| } | ||
| return ( | ||
| <main className="container"> | ||
| <h1 className="text-4xl font-extrabold my-8">Hello there!</h1> | ||
| Count: {count} | ||
| <button onClick={() => setCount((count) => count + 1)}>Click me</button> | ||
| <h1 className="text-4xl font-extrabold my-8"> | ||
| {team.name} | ||
| {"'"}s Projects | ||
| </h1> | ||
| <p>This is where your product actually lives.</p> | ||
| <p>As an example, here{"'"}s a message board for the team:</p> | ||
| <MessageBoard /> | ||
| </main> | ||
| ); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| import { v } from "convex/values"; | ||
| import { mutation, query } from "../../functions"; | ||
| import { viewerHasPermissionX } from "../../permissions"; | ||
| import { paginationOptsValidator } from "convex/server"; | ||
|
|
||
| export const list = query({ | ||
| args: { | ||
| teamId: v.id("teams"), | ||
| paginationOpts: paginationOptsValidator, | ||
| }, | ||
| handler: async (ctx, { teamId, paginationOpts }) => { | ||
| if (ctx.viewer === null) { | ||
| return { | ||
| page: [], | ||
| isDone: true, | ||
| continueCursor: "", | ||
| }; | ||
| } | ||
| await viewerHasPermissionX(ctx, teamId, "Contribute"); | ||
| return await ctx | ||
| .table("teams") | ||
| .getX(teamId) | ||
| .edge("messages") | ||
| .order("desc") | ||
| .paginate(paginationOpts) | ||
| .map(async (message) => { | ||
| const user = await message.edge("member").edge("user"); | ||
| return { | ||
| _id: message._id, | ||
| _creationTime: message._creationTime, | ||
| text: message.text, | ||
| author: user.firstName ?? user.fullName, | ||
| }; | ||
| }); | ||
| }, | ||
| }); | ||
|
|
||
| export const create = mutation({ | ||
| args: { | ||
| teamId: v.id("teams"), | ||
| text: v.string(), | ||
| }, | ||
| handler: async (ctx, { teamId, text }) => { | ||
| const member = await viewerHasPermissionX(ctx, teamId, "Contribute"); | ||
| await ctx.table("messages").insert({ | ||
| text, | ||
| teamId: teamId, | ||
| memberId: member._id, | ||
| }); | ||
| }, | ||
| }); |
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