Typstify /chat_message to /chat

showbits-thermal-printer/src/documents/chat/data.json

@@ -0,0 +1,5 @@
+{
+  "username": "John Argbuckle aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
+  "content": "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.",
+  "feed": false
+}

showbits-thermal-printer/src/documents/chat/lib

@@ -0,0 +1 @@
+../lib

showbits-thermal-printer/src/documents/chat/main.typ

@@ -0,0 +1,37 @@
+#import "lib/main.typ" as lib;
+#show: it => lib.init(it)
+
+#let data = json("data.json")
+
+#let max_width = 32 * 8pt + 4pt
+#let limit_width(body) = context {
+  let width = measure(body).width
+  if width > max_width { box(body, width: max_width) } else { body }
+}
+
+// This way, the top line of the username box looks better.
+#v(4pt)
+
+#par(hanging-indent: 32pt)[
+  #limit_width(
+    box(
+      height: 10pt,
+      clip: true,
+      stroke: 1pt + black,
+      inset: (x: 2pt),
+      outset: (y: 3pt + .5pt, x: -.5pt),
+      {
+        // Ensure all characters that fit on the line are displayed on the line.
+        // We don't want a half-empty box.
+        show regex("."): it => it + sym.zws
+        data.username
+      },
+    ),
+  )
+  #h(-4pt)
+  #data.content
+]
+
+#if data.feed {
+  lib.feed
+}

showbits-thermal-printer/src/documents/chat/mod.rs

@@ -0,0 +1,38 @@
+use axum::{Form, extract::State};
+use serde::{Deserialize, Serialize};
+
+use crate::{
+    drawer::{Command, NewTypstDrawing},
+    server::Server,
+};
+
+#[derive(Serialize)]
+struct Data {
+    username: String,
+    content: String,
+    feed: bool,
+}
+
+#[derive(Deserialize)]
+pub struct FormData {
+    pub username: String,
+    pub content: String,
+    pub feed: Option<bool>,
+}
+
+pub async fn post(server: State<Server>, Form(form): Form<FormData>) {
+    let data = Data {
+        username: form.username,
+        content: form.content,
+        feed: form.feed.unwrap_or(false),
+    };
+
+    let typst = super::typst_with_lib()
+        .with_json("/data.json", &data)
+        .with_main_file(include_str!("main.typ"));
+
+    let _ = server
+        .tx
+        .send(Command::draw(NewTypstDrawing::new(typst)))
+        .await;
+}