fjordgard

commit c59a0e19630c91da1126d9f88494e83ec969d6c7
parent aebb418093209a0b9123a8318d34f3ad9186efdd
Author: Sylvia Ivory <git@sivory.net>
Date:   Fri, 20 Jun 2025 01:35:35 -0700

Save config to LocalStorage on web

Diffstat:
M
Cargo.lock
 | 
1
+
M
Cargo.toml
 | 
3
++-
M
src/config.rs
 | 
33
++++++++++++++++++++++++++++++---

3 files changed, 33 insertions(+), 4 deletions(-)
diff --git a/Cargo.lock b/Cargo.lock
@@ -1350,6 +1350,7 @@ dependencies = [
  "serde_json",
  "strum",
  "tokio",
+ "web-sys",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
@@ -12,7 +12,6 @@ edition = "2024"
 [dependencies]
 anyhow = "1.0.98"
 chrono = "0.4.41"
-directories = "6.0.0"
 fjordgard-unsplash = { version = "0.1.0", path = "crates/unsplash" }
 fjordgard-weather = { version = "0.1.0", path = "crates/weather" }
 log = "0.4.27"
@@ -24,6 +23,7 @@ strum = { version = "0.27.1", features = ["derive"] }
 [target.'cfg(not(target_arch="wasm32"))'.dependencies]
 iced = { version = "0.13.1", features = ["canvas", "image", "svg", "tokio"] }
 tokio = { version = "1.45.1", features = ["fs", "time"] }
+directories = "6.0.0"
 env_logger = "0.11.8"
 open = "5.3.2"
 rust-embed = "8.7.2"
@@ -35,5 +35,6 @@ console_error_panic_hook = "0.1.7"
 console_log = { version = "1.0.0", features = ["color"] }
 send_wrapper = "0.6.0"
 rust-embed = { version = "8.7.2", features = ["debug-embed"] }
+web-sys = { version = "0.3.77", features = ["Storage",  "Window"] }
 # will not work without this
 instant = { version = "0.1", features = ["wasm-bindgen"] }
diff --git a/src/config.rs b/src/config.rs
@@ -1,5 +1,4 @@
-use std::fs;
-
+#[cfg(not(target_arch = "wasm32"))]
 use directories::ProjectDirs;
 use serde::{Deserialize, Serialize};
 
@@ -48,6 +47,7 @@ pub struct Config {
 }
 
 impl Config {
+    #[cfg(not(target_arch = "wasm32"))]
     pub fn load() -> anyhow::Result<Config> {
         if let Some(dir) = ProjectDirs::from("net.sivory", "", "fjordgard") {
             let config_file = dir.config_dir().join("config.json");
@@ -56,7 +56,7 @@ impl Config {
                 return Ok(Config::default());
             }
 
-            let data = fs::read_to_string(config_file)?;
+            let data = std::fs::read_to_string(config_file)?;
 
             Ok(serde_json::from_str(&data)?)
         } else {
@@ -81,7 +81,34 @@ impl Config {
     }
 
     #[cfg(target_arch = "wasm32")]
+    fn get_storage() -> anyhow::Result<web_sys::Storage> {
+        let window = web_sys::window()
+            .ok_or_else(|| anyhow::anyhow!("expected window"))?;
+
+        window.local_storage()
+            .map_err(|_| anyhow::anyhow!("expected local_storage"))?
+            .ok_or_else(|| anyhow::anyhow!("expected local_storage"))
+    }
+
+    #[cfg(target_arch = "wasm32")]
+    pub fn load() -> anyhow::Result<Config> {
+        let storage = Self::get_storage()?;
+
+        if let Some(config) = storage.get_item("config").ok().flatten() {
+            Ok(serde_json::from_str(&config)?)
+        } else {
+            Ok(Config::default())
+        }
+    }
+
+    #[cfg(target_arch = "wasm32")]
     pub async fn save(&self) -> anyhow::Result<()> {
+        let storage = Self::get_storage()?;
+        let config = serde_json::to_string(self)?;
+
+        storage.set_item("config", &config)
+            .map_err(|_| anyhow::anyhow!("failed to save config"))?;
+
         Ok(())
     }
 }