From d04a697d5139ddf740f308070bff2b1242c2967c Mon Sep 17 00:00:00 2001
From: Joscha <joscha@plugh.de>
Date: Sat, 30 Mar 2024 12:21:38 +0100
Subject: [PATCH] Turn Calendar into drawing

---
 showbits-thermal-printer/src/drawer.rs        |  4 +--
 .../src/drawer/calendar.rs                    | 30 ++++++++++++-------
 showbits-thermal-printer/src/printer.rs       |  2 +-
 showbits-thermal-printer/src/server.rs        |  6 ++--
 4 files changed, 26 insertions(+), 16 deletions(-)

diff --git a/showbits-thermal-printer/src/drawer.rs b/showbits-thermal-printer/src/drawer.rs
index af3c93a..409aaf9 100644
--- a/showbits-thermal-printer/src/drawer.rs
+++ b/showbits-thermal-printer/src/drawer.rs
@@ -16,6 +16,8 @@ use tokio::sync::mpsc;
 
 use crate::printer::Printer;
 
+pub use calendar::CalendarDrawing;
+
 #[derive(Default)]
 pub struct Context {
     font_stuff: FontStuff,
@@ -35,7 +37,6 @@ pub enum Command {
     Image { image: RgbaImage, bright: bool },
     Photo { image: RgbaImage, title: String },
     ChatMessage { username: String, content: String },
-    Calendar { year: i32, month: u8 },
     Cells { rule: u8, rows: u32, scale: u32 },
 }
 
@@ -86,7 +87,6 @@ impl Drawer {
             Command::ChatMessage { username, content } => {
                 self.on_chat_message(username, content)?
             }
-            Command::Calendar { year, month } => self.draw_calendar(year, month)?,
             Command::Cells { rule, rows, scale } => self.draw_cells(rule, rows, scale)?,
         }
         Ok(())
diff --git a/showbits-thermal-printer/src/drawer/calendar.rs b/showbits-thermal-printer/src/drawer/calendar.rs
index 07b80bc..1dbbd0e 100644
--- a/showbits-thermal-printer/src/drawer/calendar.rs
+++ b/showbits-thermal-printer/src/drawer/calendar.rs
@@ -9,11 +9,18 @@ use taffy::{
 };
 use time::Date;
 
-use super::{Context, Drawer};
+use crate::printer::Printer;
 
-impl Drawer {
-    pub fn draw_calendar(&mut self, year: i32, month: u8) -> anyhow::Result<()> {
-        let mut date = Date::from_calendar_date(year, month.try_into()?, 1)?;
+use super::{Context, Drawing};
+
+pub struct CalendarDrawing {
+    pub year: i32,
+    pub month: u8,
+}
+
+impl Drawing for CalendarDrawing {
+    fn draw(&self, printer: &mut Printer, ctx: &mut Context) -> anyhow::Result<()> {
+        let mut date = Date::from_calendar_date(self.year, self.month.try_into()?, 1)?;
 
         let mut tree = Tree::<Context>::new(WHITE);
 
@@ -27,7 +34,7 @@ impl Drawer {
             let text = Text::new()
                 .with_metrics(Text::default_metrics().scale(2.0))
                 .and_plain(weekday)
-                .widget(&mut self.ctx.font_stuff)
+                .widget(&mut ctx.font_stuff)
                 .node()
                 .with_justify_self(Some(AlignItems::Center))
                 .with_align_self(Some(AlignItems::Center))
@@ -45,7 +52,7 @@ impl Drawer {
         loop {
             let day = Text::new()
                 .and_plain(date.day().to_string())
-                .widget(&mut self.ctx.font_stuff)
+                .widget(&mut ctx.font_stuff)
                 .node()
                 .register(&mut tree)?;
 
@@ -69,14 +76,16 @@ impl Drawer {
         }
 
         let title = Text::new()
-            .and_plain(format!("Ankreuzkalender {year:04}-{month:02}"))
-            .widget(&mut self.ctx.font_stuff)
+            .and_plain(format!(
+                "Ankreuzkalender {:04}-{:02}",
+                self.year, self.month
+            ))
+            .widget(&mut ctx.font_stuff)
             .node()
             .register(&mut tree)?;
 
         let root = Node::empty()
             .with_size_width(percent(1.0))
-            .with_padding_bottom(length(Self::FEED))
             .with_display(Display::Flex)
             .with_flex_direction(FlexDirection::Column)
             .with_align_items(Some(AlignItems::Center))
@@ -84,7 +93,8 @@ impl Drawer {
             .and_child(grid.register(&mut tree)?)
             .register(&mut tree)?;
 
-        self.printer.print_tree(&mut tree, &mut self.ctx, root)?;
+        printer.print_tree(&mut tree, ctx, root)?;
+        printer.feed()?;
         Ok(())
     }
 }
diff --git a/showbits-thermal-printer/src/printer.rs b/showbits-thermal-printer/src/printer.rs
index 93b9575..95edb22 100644
--- a/showbits-thermal-printer/src/printer.rs
+++ b/showbits-thermal-printer/src/printer.rs
@@ -56,7 +56,7 @@ impl Printer {
         })
     }
 
-    pub fn rip(&mut self) -> anyhow::Result<()> {
+    pub fn feed(&mut self) -> anyhow::Result<()> {
         if let Some(printer) = &mut self.printer {
             printer.init()?.feeds(4)?.print()?;
         }
diff --git a/showbits-thermal-printer/src/server.rs b/showbits-thermal-printer/src/server.rs
index ec5b40d..57fc872 100644
--- a/showbits-thermal-printer/src/server.rs
+++ b/showbits-thermal-printer/src/server.rs
@@ -12,7 +12,7 @@ use axum::{
 use serde::Deserialize;
 use tokio::{net::TcpListener, sync::mpsc};
 
-use crate::drawer::Command;
+use crate::drawer::{CalendarDrawing, Command};
 
 use self::{r#static::get_static_file, statuscode::status_code};
 
@@ -133,10 +133,10 @@ struct PostCalendarForm {
 async fn post_calendar(server: State<Server>, request: Form<PostCalendarForm>) {
     let _ = server
         .tx
-        .send(Command::Calendar {
+        .send(Command::draw(CalendarDrawing {
             year: request.0.year,
             month: request.0.month,
-        })
+        }))
         .await;
 }