[Refactor] Move Moon phase calculation to a new clock module

src/clock.rs

@@ -0,0 +1,9 @@
+use chrono::prelude::Local;
+
+pub fn get_moon_phase() -> f32 {
+    let local_timestamp = Local::now();
+    let unixtime = suncalc::Timestamp(local_timestamp.timestamp_millis());
+    let moon_illumination = suncalc::moon_illumination(unixtime);
+
+    moon_illumination.phase as f32 * 28.0
+}

src/main.rs

@@ -6,6 +6,7 @@ use sctk::shm::AutoMemPool;
 use sctk::window::{Event as WEvent, FallbackFrame};
 use svg::node::element::path::Data as PathData;
 
+mod clock;
 mod config;
 mod svg_clock;
 

src/svg_clock.rs

@@ -17,6 +17,7 @@ use svg::{
 };
 use usvg::Tree;
 
+use crate::clock::get_moon_phase;
 use crate::config::Config;
 
 const HOUR_NAMES: [&str; 24] = [
@@ -296,16 +297,16 @@ fn get_range_path(radius: f32, range_name: &str, start_time: i32, end_time: i32)
     Path::new().set("class", range_name).set("d", path_data)
 }
 
-fn get_moon_path(radius: f32, moon_phase: f64) -> Path {
-    let handle_x_pos = radius as f64 * 1.34;
+fn get_moon_path(radius: f32, moon_phase: f32) -> Path {
+    let handle_x_pos = radius * 1.34;
     let handle_y_pos = radius * 0.88;
-    let min_x = IMAGE_WIDTH as f64 / 2.0 - handle_x_pos;
+    let min_x = IMAGE_WIDTH as f32 / 2.0 - handle_x_pos;
     let max_x = min_x + 2.0 * handle_x_pos;
     let top_y = IMAGE_WIDTH as f32 / 2.0 - handle_y_pos;
     let bottom_y = IMAGE_WIDTH as f32 / 2.0 + handle_y_pos;
 
-    let h1_x: f64;
-    let h2_x: f64;
+    let h1_x: f32;
+    let h2_x: f32;
 
     if moon_phase < 14.0 {
         h1_x = min_x + 2.0 * handle_x_pos * (1.0 - moon_phase / 14.0);
@@ -345,16 +346,15 @@ pub fn gen_svg(
     let local_hour = local_timestamp.time().hour();
     let local_minute = local_timestamp.time().minute();
     let local_second = local_timestamp.time().second();
+    let unixtime = suncalc::Timestamp(local_timestamp.timestamp_millis());
 
     let utc_offset = local_timestamp.offset().local_minus_utc();
     let local_time = local_timestamp.time().num_seconds_from_midnight() as i32;
     let utc_rotation = seconds_to_degrees(utc_offset);
+    let moon_radius = IMAGE_WIDTH as f32 * 0.071428571;
 
     // Calculate the Moon phase
-    let unixtime = suncalc::Timestamp(local_timestamp.timestamp_millis());
-    let moon_illumination = suncalc::moon_illumination(unixtime);
-    let moon_radius = IMAGE_WIDTH as f32 * 0.071428571;
-    let moon_phase = moon_illumination.phase * 28.0;
+    let moon_phase = get_moon_phase();
 
     let local_hour_font_size = IMAGE_WIDTH as f32 * 0.02357;
     let sun_radius = IMAGE_WIDTH as f32 * 0.0142871;