add dislike functionality, fix some nitpicks, and as always a bit of cleanup

config.maple

···
 	title_pattern = '(.|\s)*'
 
 	body_min_len = 1
-	body_max_len = 500
+	body_max_len = 1000
 	body_pattern = '(.|\s)*'
 }
 

doc/todo.md

···
 
 ## in-progress
 
-- [/] post:likes/dislikes
-
 ## planing
 
-- [ ] site:stylesheet (and a toggle for html-only mode)
 - [ ] post:mentioning ('tagging') other users in posts
 - [ ] post:replies
 - [ ] post:tags ('hashtags')
···
 - [x] user:nicknames
 - [x] user:bio/about me
 - [x] user:listed pronouns
+- [x] post:likes/dislikes
+- [ ] ~~site:stylesheet (and a toggle for html-only mode)~~
+	- replaced with per-user optional stylesheets

src/api.v

···
 	}
 }
 
-@['/api/post/toggle_like']
-fn (mut app App) api_post_toggle_like(mut ctx Context, id int) veb.Result {
+@['/api/post/like']
+fn (mut app App) api_post_like(mut ctx Context, id int) veb.Result {
 	user := app.whoami(mut ctx) or {
 		return ctx.unauthorized('not logged in')
 	}
···
 		}
 		return ctx.ok('unliked post')
 	} else {
+		// remove the old dislike, if it exists
+		if app.does_user_dislike_post(user.id, post.id) {
+			sql app.db {
+				delete from Like where user_id == user.id && post_id == post.id
+			} or {
+				eprintln('user ${user.id} failed to remove dislike on post ${id} when liking it')
+			}
+		}
+
 		like := Like{
 			user_id: user.id
 			post_id: post.id
···
 		return ctx.ok('liked post')
 	}
 }
+
+@['/api/post/dislike']
+fn (mut app App) api_post_dislike(mut ctx Context, id int) veb.Result {
+	user := app.whoami(mut ctx) or {
+		return ctx.unauthorized('not logged in')
+	}
+
+	post := app.get_post_by_id(id) or {
+		return ctx.server_error('post does not exist')
+	}
+
+	if app.does_user_dislike_post(user.id, post.id) {
+		sql app.db {
+			delete from Like where user_id == user.id && post_id == post.id
+			// yeet the old cached like value
+			delete from LikeCache where post_id == post.id
+		} or {
+			eprintln('user ${user.id} failed to unlike post ${id}')
+			return ctx.server_error('failed to unlike post')
+		}
+		return ctx.ok('undisliked post')
+	} else {
+		// remove the old like, if it exists
+		if app.does_user_like_post(user.id, post.id) {
+			sql app.db {
+				delete from Like where user_id == user.id && post_id == post.id
+			} or {
+				eprintln('user ${user.id} failed to remove like on post ${id} when disliking it')
+			}
+		}
+
+		like := Like{
+			user_id: user.id
+			post_id: post.id
+			is_like: false
+		}
+		sql app.db {
+			insert like into Like
+			// yeet the old cached like value
+			delete from LikeCache where post_id == post.id
+		} or {
+			eprintln('user ${user.id} failed to dislike post ${id}')
+			return ctx.server_error('failed to dislike post')
+		}
+		return ctx.ok('disliked post')
+	}
+}

src/app.v

···
 	return !likes.first().is_like
 }
 
+pub fn (app &App) does_user_like_or_dislike_post(user_id int, post_id int) bool {
+	likes := sql app.db {
+		select from Like where user_id == user_id && post_id == post_id
+	} or { [] }
+	if likes.len > 1 {
+		// something is very wrong lol
+		eprintln('a user somehow got two or more likes on the same post (user: ${user_id}, post: ${post_id})')
+	}
+	return likes.len == 1
+}
+
 pub fn (app &App) get_net_likes_for_post(post_id int) int {
 	// check cache
 	cache := sql app.db {

src/static/style.css

···
 .post p {
 	margin: 0;
 }
+
+pre {
+	white-space: pre-wrap;
+}
+
+/*
+ * some themes make input fields display: block, which overrides my hidden
+ * attribute. to resolve that, i will just override the override.
+ */
+input[hidden] {
+	display: none !important;
+}

src/templates/admin.html

···
 @else
 
 <h1>admin dashboard</h1>
-<p>logged in as: @user</p>
+<p>logged in as:</p>
+<pre>@user</pre>
 <div>
 	<h2>user list:</h2>
-	<div>
+	<ul>
 		@for u in app.get_users()
-		<div>
-			<a href="/user/@u.username">@u.get_name() (@@@u.username) [@u.id]</a>
-			<p>muted=@u.muted, admin=@u.admin</p>
-			<p>created_at=@u.created_at</p>
-			<form action="/api/user/set_muted" method="post">
-				<input
-					type="text"
-					name="id"
-					id="id"
-					value="@u.id"
-					required
-					readonly
-					hidden
-				>
-				@if !user.muted
-				<input
-					type="checkbox"
-					name="muted"
-					id="muted"
-					value="true"
-					checked
-					readonly
-					hidden
-				>
-				<input type="submit" value="mute">
-				@else
-				<input
-					type="checkbox"
-					name="muted"
-					id="muted"
-					value="false"
-					checked
-					readonly
-					hidden
-				>
-				<input type="submit" value="unmute">
-				@end
-			</form>
-		</div>
-		<hr>
+		<li>
+			<a href="/user/@u.username">@u.get_name()</a>
+			(@@@u.username) [@u.id]
+			{muted=@u.muted, admin=@u.admin, created_at=@u.created_at}
+		</li>
 		@end
-	</div>
+	</ul>
 </div>
 
 @end

src/templates/components/post.html

···
 <div class="post post-full">
 	<h2><a href="/user/@{(app.get_user_by_id(post.author_id) or { app.get_unknown_user() }).username}"><strong>@{(app.get_user_by_id(post.author_id) or { app.get_unknown_user() }).get_name()}</strong></a> - @post.title</h2>
-	<p>@post.body</p>
+	<pre>@post.body</pre>
 	<p><em>likes: @{app.get_net_likes_for_post(post.id)}</em></p>
 	<p><em>posted at: @post.posted_at</em></p>
 
 	@if ctx.is_logged_in()
 	<script>
 		const like = async (id) => {
-			await fetch('/api/post/toggle_like?id=' + id, {
+			await fetch('/api/post/like?id=' + id, {
+				method: 'GET'
+			})
+			window.location.reload()
+		}
+
+		const dislike = async (id) => {
+			await fetch('/api/post/dislike?id=' + id, {
 				method: 'GET'
 			})
 			window.location.reload()
···
 
 	<br>
 
-	<button onclick="like(@post.id)">
-		@if app.does_user_like_post(user.id, post.id)
-		liked!
-		@else
-		like
-		@end
-	</button>
+	<div>
+		<button onclick="like(@post.id)">
+			@if app.does_user_like_post(user.id, post.id)
+			liked :D
+			@else
+			like
+			@end
+		</button>
+		<button onclick="dislike(@post.id)">
+			@if app.does_user_dislike_post(user.id, post.id)
+			disliked D:
+			@else
+			dislike
+			@end
+		</button>
+	</div>
 	@end
 
 	@if app.config.dev_mode || (ctx.is_logged_in() && user.admin) || (ctx.is_logged_in() && post.author_id == user.id)

src/templates/components/user/admin.html

···
 			required
 			readonly
 			hidden
+			aria-hidden
 		>
 		@if !user.muted
 		<input
···
 			checked
 			readonly
 			hidden
+			aria-hidden
 		>
 		<input type="submit" value="mute">
 		@else
···
 			checked
 			readonly
 			hidden
+			aria-hidden
 		>
 		<input type="submit" value="unmute">
 		@end

src/templates/components/user/name.html

···
 	(@@@user.username)
 
 	@if user.pronouns != ''
-	<h2>(@user.pronouns)</h2>
+	(@user.pronouns)
 	@end
 
 	@if user.muted && user.admin

src/templates/partial/footer.html

···
 		<p><a href="https://github.com/emmathemartian/beep">source</a></p>
 		@if app.config.dev_mode
 		<p>token: @{ctx.get_cookie('token')}</p>
-		<p>user: @{user}</p>
 		@end
 	</footer>
 

src/templates/partial/header.html

···
 		<a href="/">home</a>
 		-
 
-		@if app.config.dev_mode
+		@if app.config.dev_mode || (ctx.is_logged_in() && user.admin)
 		<a href="/admin">admin</a>
 		-
 		@end
···
 		<!-- TODO: fix this lol -->
 		@if ctx.form_error != ''
 		<div>
-			<p><strong>error:</strong> ctx.form_error</p>
+			<p><strong>error:</strong> @ctx.form_error</p>
 		</div>
 		@end