style: fix missing list styles in markdown content. feat: update post

convex/posts.ts

@@ -3,8 +3,9 @@ import { v } from 'convex/values';
 import { mutation, query } from './_generated/server';
 import { userQuery } from './users';
 
-export const createPost = mutation({
+export const createOrUpdatePost = mutation({
   args: {
+    id: v.optional(v.id('posts')),
     clerkUserId: v.string(),
     content: v.array(v.string()),
     parentPostId: v.optional(v.id('posts')),
@@ -25,6 +26,11 @@ export const createPost = mutation({
       return 'CANNOT_POST_ON_BEHALF_OF_ANOTHER_USER';
     }
 
+    if (args.id) {
+      await ctx.db.patch(args.id, { content: args.content });
+      return;
+    }
+
     return await ctx.db.insert('posts', {
       userId: user._id,
       content: args.content,
@@ -43,3 +49,23 @@ export const getUsersPostById = query({
       .paginate(args.paginationOpts);
   },
 });
+
+export const deletePostById = mutation({
+  args: { id: v.id('posts') },
+  handler: async (ctx, args) => {
+    await ctx.db.delete(args.id);
+  },
+});
+
+export const getPostById = query({
+  args: { id: v.id('posts') },
+  handler: async (ctx, args) => {
+    const post = await ctx.db.get(args.id);
+
+    if (post === null) {
+      return 'POST_NOT_FOUND';
+    }
+
+    return post;
+  },
+});

src/app/posts/[id]/edit/page.tsx

@@ -0,0 +1,26 @@
+import Editor from '@/components/Editor';
+import { getConvexClient } from '@/lib/convex';
+import { api } from '../../../../../convex/_generated/api';
+import { Id } from '../../../../../convex/_generated/dataModel';
+
+export default async function EditPostPage({
+  params,
+}: {
+  params: { id: string };
+}) {
+  const client = await getConvexClient();
+  const post = await client.query(api.posts.getPostById, {
+    id: params.id as Id<'posts'>,
+  });
+
+  if (post === 'POST_NOT_FOUND') {
+    // TODO: Return actual not found component
+    return <h1>Not Found</h1>;
+  }
+
+  return (
+    <main className='flex flex-col w-full h-full'>
+      <Editor post={post} />
+    </main>
+  );
+}

src/components/Editor.tsx

@@ -10,22 +10,20 @@ import { Compartment, EditorState, Text } from '@codemirror/state';
 import { EditorView, keymap } from '@codemirror/view';
 import { basicSetup } from 'codemirror';
 import { useMutation } from 'convex/react';
-import { useTheme } from 'next-themes';
 import { useRouter } from 'next/navigation';
-import { FormEvent, useEffect, useState } from 'react';
+import { FormEvent, useState } from 'react';
 import { api } from '../../convex/_generated/api';
+import { Doc } from '../../convex/_generated/dataModel';
 import PostContent from './PostContent';
 
-export default function Editor() {
+export default function Editor({ post }: { post?: Doc<'posts'> }) {
   const { user, isSignedIn } = useUser();
-  const { theme } = useTheme();
   const editorTheme = new Compartment();
-  const [currentDoc, setCurrentDoc] = useState(['']);
-  const createPost = useMutation(api.posts.createPost);
+  const [currentDoc, setCurrentDoc] = useState(post?.content ?? ['']);
+  const createOrUpdatePost = useMutation(api.posts.createOrUpdatePost);
   const router = useRouter();
-  const [creating, setCreating] = useState(false);
+  const [creatingOrUpdating, setCreatingOrUpdating] = useState(false);
 
-  const doc = [''];
   const extensions = [
     basicSetup,
     markdown({ base: markdownLanguage, codeLanguages: languages }),
@@ -38,20 +36,7 @@ export default function Editor() {
   ];
 
   const [mode, setMode] = useState<'write' | 'preview'>('write');
-  const { editorRef, editorView } = useCodeMirror({ doc, extensions });
-
-  useEffect(() => {
-    if (editorView === null) {
-      return;
-    }
-
-    if (theme === 'dark') {
-      editorView.dispatch({
-        effects: editorTheme.reconfigure([]),
-      });
-    }
-    // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [theme, editorView]);
+  const { editorRef } = useCodeMirror({ doc: currentDoc, extensions });
 
   async function handleSubmit(e: FormEvent<HTMLFormElement>) {
     e.preventDefault();
@@ -61,9 +46,10 @@ export default function Editor() {
         return;
       }
 
-      setCreating(true);
+      setCreatingOrUpdating(true);
 
-      const result = await createPost({
+      const result = await createOrUpdatePost({
+        id: post?._id,
         clerkUserId: user.id,
         content: currentDoc,
       });
@@ -80,7 +66,7 @@ export default function Editor() {
     } catch (error) {
       console.log(error);
     } finally {
-      setCreating(false);
+      setCreatingOrUpdating(false);
     }
   }
 
@@ -123,10 +109,20 @@ export default function Editor() {
           <PostContent content={Text.of(currentDoc).toString()} />
         </div>
       </div>
-      <div className='flex items-center justify-end p-4 pt-0'>
+      <div className='flex items-center justify-end p-4 pt-0 gap-4'>
+        <button
+          onClick={() => router.back()}
+          type='button'
+        >
+          Cancel
+        </button>
         <button
           type='submit'
-          disabled={!currentDoc.join() || !currentDoc.join().trim() || creating}
+          disabled={
+            !currentDoc.join() ||
+            !currentDoc.join().trim() ||
+            creatingOrUpdating
+          }
           className='py-1 px-4 bg-primary-accent text-white rounded-md disabled:opacity-50 flex items-center justify-center gap-2'
         >
           Post

src/components/MarkdownContent.css

@@ -411,6 +411,14 @@
   padding-left: 2em;
 }
 
+.markdown-content ul {
+  list-style: disc;
+}
+
+.markdown-content ol {
+  list-style: decimal
+}
+
 .markdown-content ol ol,
 .markdown-content ul ol {
   list-style-type: lower-roman;

src/components/Post.tsx

@@ -1,13 +1,18 @@
+'use client';
+
 import { PostWithUserDto } from '@/app/types';
 import { Text } from '@codemirror/state';
+import { useMutation } from 'convex/react';
 import Image from 'next/image';
 import Link from 'next/link';
 import { useEffect, useRef, useState } from 'react';
 import { BiDotsHorizontalRounded } from 'react-icons/bi';
 import { GoDotFill } from 'react-icons/go';
+import { api } from '../../convex/_generated/api';
 import PostContent from './PostContent';
 
 export default function Post({ post }: { post: PostWithUserDto }) {
+  const deletePostById = useMutation(api.posts.deletePostById);
   const modalRef = useRef<HTMLDivElement>(null);
   const [modalOpen, setModalOpen] = useState(false);
   const username = post.user.clerkUsername ?? post.user._id;
@@ -42,8 +47,15 @@ export default function Post({ post }: { post: PostWithUserDto }) {
     return () => document.removeEventListener('click', handleClickOutside);
   }, [modalOpen]);
 
-  function handleDeleteClick() {
-    throw new Error('Function not implemented.');
+  async function handleDeleteClick() {
+    setModalOpen(false);
+    const result = confirm('Are you sure you want to delete this post?');
+
+    if (result === false) {
+      return;
+    }
+
+    await deletePostById({ id: post._id });
   }
 
   return (