pc: add itembubble and config save/load

1 files changed, 43 insertions, 0 deletions

diff --git a/pixel-client/src/config.rs b/pixel-client/src/config.rs
new file mode 100644
index 00000000..6d74fbe7
--- /dev/null
+++ b/pixel-client/src/config.rs
@@ -0,0 +1,43 @@
+use anyhow::{anyhow, Result};
+use serde::{Deserialize, Serialize};
+use std::{
+    fs::{read_to_string, rename, File},
+    io::Write,
+    path::PathBuf,
+};
+
+#[derive(Serialize, Deserialize)]
+pub struct Config {
+    username: String,
+}
+
+impl Config {
+    pub fn path() -> Result<PathBuf> {
+        Ok(xdg::BaseDirectories::with_prefix("pixelcurry")?.place_config_file("config.toml")?)
+    }
+    pub fn load() -> Result<Self> {
+        let path = Self::path()?;
+        if path.exists() {
+            Ok(toml::from_str(&read_to_string(path)?)?)
+        } else {
+            File::create(path)?.write_all(toml::to_string(&Self::initial()?)?.as_bytes())?;
+            Self::load()
+        }
+    }
+    pub fn save(&self) -> Result<()> {
+        let path = Self::path()?;
+        let temp = path.with_added_extension("~");
+        File::create(&temp)?.write_all(toml::to_string(self)?.as_bytes())?;
+        rename(temp, path)?;
+        Ok(())
+    }
+    pub fn initial() -> Result<Self> {
+        Ok(Config {
+            username: users::get_current_username()
+                .ok_or(anyhow!("current user has no name"))?
+                .to_str()
+                .ok_or(anyhow!("current user's name is not valid UTF8"))?
+                .to_owned(),
+        })
+    }
+}