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;
+  },
+});