From 571dedbd2ef8c497649fea1b0eb180bd06e34a7c Mon Sep 17 00:00:00 2001
From: hodasemi <michaelh.05@t-online.de>
Date: Mon, 25 Mar 2024 15:08:39 +0100
Subject: [PATCH] Add custom serde implemenation for color

---
 Cargo.toml   |  4 ++++
 src/color.rs | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 56 insertions(+), 1 deletion(-)

diff --git a/Cargo.toml b/Cargo.toml
index 355f9bb..b7c531a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,3 +14,7 @@ reprc_proc_macro = { path = "src/reprc_proc_macro" }
 
 # networking
 serde = { version = "1.0.197", features = ["derive"] }
+
+[dev-dependencies]
+serde_json = { version = "1.0.114" }
+
diff --git a/src/color.rs b/src/color.rs
index 6390ffe..c410468 100644
--- a/src/color.rs
+++ b/src/color.rs
@@ -3,10 +3,11 @@ use std::ops::MulAssign;
 use std::str::FromStr;
 use std::{convert::TryFrom, ops::Mul};
 
+use serde::de::Visitor;
 use serde::{Deserialize, Serialize};
 
 /// `TextColor` describes the color of the text
-#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash, Serialize, Deserialize)]
+#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]
 pub enum Color {
     White,
     Black,
@@ -189,6 +190,46 @@ impl Default for Color {
     }
 }
 
+impl Serialize for Color {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: serde::Serializer,
+    {
+        serializer.serialize_str(&format!("{self}"))
+    }
+}
+
+impl<'de> Deserialize<'de> for Color {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: serde::Deserializer<'de>,
+    {
+        struct ColorVisitor;
+
+        impl<'de> Visitor<'de> for ColorVisitor {
+            type Value = Color;
+
+            fn expecting(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
+                formatter.write_str("`color`")
+            }
+
+            fn visit_str<E>(self, value: &str) -> Result<Color, E>
+            where
+                E: serde::de::Error,
+            {
+                Color::try_from(value).map_err(|_| {
+                    serde::de::Error::invalid_value(
+                        serde::de::Unexpected::Str(value),
+                        &ColorVisitor,
+                    )
+                })
+            }
+        }
+
+        deserializer.deserialize_identifier(ColorVisitor)
+    }
+}
+
 #[test]
 fn simple_color_conversion() {
     let color = Color::try_from("white").unwrap();
@@ -206,3 +247,13 @@ fn hex_color_conversion() {
 
     assert_eq!(string, "#FFFFFF");
 }
+
+#[test]
+fn color_serde() {
+    let color = Color::try_from("#a64b4b").unwrap();
+
+    let s = serde_json::to_string(&color).unwrap();
+    let c = serde_json::from_str(&s).unwrap();
+
+    assert_eq!(color, c);
+}